diff options
Diffstat (limited to 'database/sqlite')
| -rw-r--r-- | database/sqlite/sqlite3.c | 4299 | ||||
| -rw-r--r-- | database/sqlite/sqlite3.h | 238 | ||||
| -rw-r--r-- | database/sqlite/sqlite_aclk_alert.c | 101 | ||||
| -rw-r--r-- | database/sqlite/sqlite_db_migration.c | 35 | ||||
| -rw-r--r-- | database/sqlite/sqlite_db_migration.h | 1 | ||||
| -rw-r--r-- | database/sqlite/sqlite_functions.c | 2 | ||||
| -rw-r--r-- | database/sqlite/sqlite_health.c | 362 | ||||
| -rw-r--r-- | database/sqlite/sqlite_health.h | 2 |
8 files changed, 3545 insertions, 1495 deletions
diff --git a/database/sqlite/sqlite3.c b/database/sqlite/sqlite3.c index d5fb13d0f..005aab85a 100644 --- a/database/sqlite/sqlite3.c +++ b/database/sqlite/sqlite3.c @@ -1,6 +1,6 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.40.1. By combining all the individual C code files into this +** version 3.41.2. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -17,7 +17,6 @@ ** language. The code for the "sqlite3" command-line shell is also in a ** separate file. This file contains only code for the core SQLite library. */ -#define __maybe_unused __attribute__((unused)) #define SQLITE_CORE 1 #define SQLITE_AMALGAMATION 1 #ifndef SQLITE_PRIVATE @@ -457,9 +456,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.40.1" -#define SQLITE_VERSION_NUMBER 3040001 -#define SQLITE_SOURCE_ID "2022-12-28 14:03:47 df5c253c0b3dd24916e4ec7cf77d3db5294cc9fd45ae7b9c5e82ad8197f38a24" +#define SQLITE_VERSION "3.41.2" +#define SQLITE_VERSION_NUMBER 3041002 +#define SQLITE_SOURCE_ID "2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -874,6 +873,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_DATATYPE (SQLITE_CONSTRAINT |(12<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) +#define SQLITE_NOTICE_RBU (SQLITE_NOTICE | (3<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) @@ -1486,7 +1486,6 @@ struct sqlite3_io_methods { ** in wal mode after the client has finished copying pages from the wal ** file to the database file, but before the *-shm file is updated to ** record the fact that the pages have been checkpointed. -** </ul> ** ** <li>[[SQLITE_FCNTL_EXTERNAL_READER]] ** The EXPERIMENTAL [SQLITE_FCNTL_EXTERNAL_READER] opcode is used to detect @@ -1499,16 +1498,16 @@ struct sqlite3_io_methods { ** the database is not a wal-mode db, or if there is no such connection in any ** other process. This opcode cannot be used to detect transactions opened ** by clients within the current process, only within other processes. -** </ul> ** ** <li>[[SQLITE_FCNTL_CKSM_FILE]] -** Used by the cksmvfs VFS module only. +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** [checksum VFS shim] only. ** ** <li>[[SQLITE_FCNTL_RESET_CACHE]] ** If there is currently no transaction open on the database, and the -** database is not a temp db, then this file-control purges the contents -** of the in-memory page cache. If there is an open transaction, or if -** the db is a temp-db, it is a no-op, not an error. +** database is not a temp db, then the [SQLITE_FCNTL_RESET_CACHE] file-control +** purges the contents of the in-memory page cache. If there is an open +** transaction, or if the db is a temp-db, this opcode is a no-op, not an error. ** </ul> */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -2495,7 +2494,7 @@ struct sqlite3_mem_methods { ** configuration for a database connection can only be changed when that ** connection is not currently using lookaside memory, or in other words ** when the "current value" returned by -** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. +** [sqlite3_db_status](D,[SQLITE_DBSTATUS_LOOKASIDE_USED],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside ** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^</dd> @@ -2645,8 +2644,12 @@ struct sqlite3_mem_methods { ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); ** </ol> ** Because resetting a database is destructive and irreversible, the -** process requires the use of this obscure API and multiple steps to help -** ensure that it does not happen by accident. +** process requires the use of this obscure API and multiple steps to +** help ensure that it does not happen by accident. Because this +** feature must be capable of resetting corrupt databases, and +** shutting down virtual tables may require access to that corrupt +** storage, the library must abandon any installed virtual tables +** without calling their xDestroy() methods. ** ** [[SQLITE_DBCONFIG_DEFENSIVE]] <dt>SQLITE_DBCONFIG_DEFENSIVE</dt> ** <dd>The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the @@ -2985,8 +2988,12 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ^A call to sqlite3_interrupt(D) that occurs when there are no running ** SQL statements is a no-op and has no effect on SQL statements ** that are started after the sqlite3_interrupt() call returns. +** +** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether +** or not an interrupt is currently in effect for [database connection] D. */ SQLITE_API void sqlite3_interrupt(sqlite3*); +SQLITE_API int sqlite3_is_interrupted(sqlite3*); /* ** CAPI3REF: Determine If An SQL Statement Is Complete @@ -3604,8 +3611,8 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** <dd>^An SQLITE_TRACE_PROFILE callback provides approximately the same ** information as is provided by the [sqlite3_profile()] callback. ** ^The P argument is a pointer to the [prepared statement] and the -** X argument points to a 64-bit integer which is the estimated of -** the number of nanosecond that the prepared statement took to run. +** X argument points to a 64-bit integer which is approximately +** the number of nanoseconds that the prepared statement took to run. ** ^The SQLITE_TRACE_PROFILE callback is invoked when the statement finishes. ** ** [[SQLITE_TRACE_ROW]] <dt>SQLITE_TRACE_ROW</dt> @@ -3668,7 +3675,7 @@ SQLITE_API int sqlite3_trace_v2( ** ** ^The sqlite3_progress_handler(D,N,X,P) interface causes the callback ** function X to be invoked periodically during long running calls to -** [sqlite3_exec()], [sqlite3_step()] and [sqlite3_get_table()] for +** [sqlite3_step()] and [sqlite3_prepare()] and similar for ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** @@ -3693,6 +3700,13 @@ SQLITE_API int sqlite3_trace_v2( ** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their ** database connections for the meaning of "modify" in this paragraph. ** +** The progress handler callback would originally only be invoked from the +** bytecode engine. It still might be invoked during [sqlite3_prepare()] +** and similar because those routines might force a reparse of the schema +** which involves running the bytecode engine. However, beginning with +** SQLite version 3.41.0, the progress handler callback might also be +** invoked directly from [sqlite3_prepare()] while analyzing and generating +** code for complex queries. */ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); @@ -3729,13 +3743,18 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <dl> ** ^(<dt>[SQLITE_OPEN_READONLY]</dt> -** <dd>The database is opened in read-only mode. If the database does not -** already exist, an error is returned.</dd>)^ +** <dd>The database is opened in read-only mode. If the database does +** not already exist, an error is returned.</dd>)^ ** ** ^(<dt>[SQLITE_OPEN_READWRITE]</dt> -** <dd>The database is opened for reading and writing if possible, or reading -** only if the file is write protected by the operating system. In either -** case the database must already exist, otherwise an error is returned.</dd>)^ +** <dd>The database is opened for reading and writing if possible, or +** reading only if the file is write protected by the operating +** system. In either case the database must already exist, otherwise +** an error is returned. For historical reasons, if opening in +** read-write mode fails due to OS-level permissions, an attempt is +** made to open it in read-only mode. [sqlite3_db_readonly()] can be +** used to determine whether the database is actually +** read-write.</dd>)^ ** ** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt> ** <dd>The database is opened for reading and writing, and is created if @@ -5716,10 +5735,21 @@ SQLITE_API int sqlite3_create_window_function( ** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in ** schema structures such as [CHECK constraints], [DEFAULT clauses], ** [expression indexes], [partial indexes], or [generated columns]. -** The SQLITE_DIRECTONLY flags is a security feature which is recommended -** for all [application-defined SQL functions], and especially for functions -** that have side-effects or that could potentially leak sensitive -** information. +** <p> +** The SQLITE_DIRECTONLY flag is recommended for any +** [application-defined SQL function] +** that has side-effects or that could potentially leak sensitive information. +** This will prevent attacks in which an application is tricked +** into using a database file that has had its schema surreptiously +** modified to invoke the application-defined function in ways that are +** harmful. +** <p> +** Some people say it is good practice to set SQLITE_DIRECTONLY on all +** [application-defined SQL functions], regardless of whether or not they +** are security sensitive, as doing so prevents those functions from being used +** inside of the database schema, and thus ensures that the database +** can be inspected and modified using generic tools (such as the [CLI]) +** that do not have access to the application-defined functions. ** </dd> ** ** [[SQLITE_INNOCUOUS]] <dt>SQLITE_INNOCUOUS</dt><dd> @@ -5860,16 +5890,6 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** then the conversion is performed. Otherwise no conversion occurs. ** The [SQLITE_INTEGER | datatype] after conversion is returned.)^ ** -** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], -** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current encoding -** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) -** returns something other than SQLITE_TEXT, then the return value from -** sqlite3_value_encoding(X) is meaningless. ^Calls to -** sqlite3_value_text(X), sqlite3_value_text16(X), sqlite3_value_text16be(X), -** sqlite3_value_text16le(X), sqlite3_value_bytes(X), or -** sqlite3_value_bytes16(X) might change the encoding of the value X and -** thus change the return from subsequent calls to sqlite3_value_encoding(X). -** ** ^Within the [xUpdate] method of a [virtual table], the ** sqlite3_value_nochange(X) interface returns true if and only if ** the column corresponding to X is unchanged by the UPDATE operation @@ -5934,6 +5954,27 @@ SQLITE_API int sqlite3_value_type(sqlite3_value*); SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); SQLITE_API int sqlite3_value_nochange(sqlite3_value*); SQLITE_API int sqlite3_value_frombind(sqlite3_value*); + +/* +** CAPI3REF: Report the internal text encoding state of an sqlite3_value object +** METHOD: sqlite3_value +** +** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], +** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current text encoding +** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) +** returns something other than SQLITE_TEXT, then the return value from +** sqlite3_value_encoding(X) is meaningless. ^Calls to +** [sqlite3_value_text(X)], [sqlite3_value_text16(X)], [sqlite3_value_text16be(X)], +** [sqlite3_value_text16le(X)], [sqlite3_value_bytes(X)], or +** [sqlite3_value_bytes16(X)] might change the encoding of the value X and +** thus change the return from subsequent calls to sqlite3_value_encoding(X). +** +** This routine is intended for used by applications that test and validate +** the SQLite implementation. This routine is inquiring about the opaque +** internal state of an [sqlite3_value] object. Ordinary applications should +** not need to know what the internal state of an sqlite3_value object is and +** hence should not need to use this interface. +*/ SQLITE_API int sqlite3_value_encoding(sqlite3_value*); /* @@ -7315,15 +7356,6 @@ SQLITE_API int sqlite3_cancel_auto_extension(void(*xEntryPoint)(void)); SQLITE_API void sqlite3_reset_auto_extension(void); /* -** The interface to the virtual-table mechanism is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - -/* ** Structures used by the virtual table interface */ typedef struct sqlite3_vtab sqlite3_vtab; @@ -7441,10 +7473,10 @@ struct sqlite3_module { ** when the omit flag is true there is no guarantee that the constraint will ** not be checked again using byte code.)^ ** -** ^The idxNum and idxPtr values are recorded and passed into the +** ^The idxNum and idxStr values are recorded and passed into the ** [xFilter] method. -** ^[sqlite3_free()] is used to free idxPtr if and only if -** needToFreeIdxPtr is true. +** ^[sqlite3_free()] is used to free idxStr if and only if +** needToFreeIdxStr is true. ** ** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in ** the correct order to satisfy the ORDER BY clause so that no separate @@ -7564,7 +7596,7 @@ struct sqlite3_index_info { ** the [sqlite3_vtab_collation()] interface. For most real-world virtual ** tables, the collating sequence of constraints does not matter (for example ** because the constraints are numeric) and so the sqlite3_vtab_collation() -** interface is no commonly needed. +** interface is not commonly needed. */ #define SQLITE_INDEX_CONSTRAINT_EQ 2 #define SQLITE_INDEX_CONSTRAINT_GT 4 @@ -7724,16 +7756,6 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); SQLITE_API int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg); /* -** The interface to the virtual-table mechanism defined above (back up -** to a comment remarkably similar to this one) is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - -/* ** CAPI3REF: A Handle To An Open BLOB ** KEYWORDS: {BLOB handle} {BLOB handles} ** @@ -9936,7 +9958,7 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); ** <li><p> Otherwise, "BINARY" is returned. ** </ol> */ -SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_info*,int); +SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info*,int); /* ** CAPI3REF: Determine if a virtual table query is DISTINCT @@ -10093,21 +10115,20 @@ SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle); ** is undefined and probably harmful. ** ** The X parameter in a call to sqlite3_vtab_in_first(X,P) or -** sqlite3_vtab_in_next(X,P) must be one of the parameters to the +** sqlite3_vtab_in_next(X,P) should be one of the parameters to the ** xFilter method which invokes these routines, and specifically ** a parameter that was previously selected for all-at-once IN constraint ** processing use the [sqlite3_vtab_in()] interface in the ** [xBestIndex|xBestIndex method]. ^(If the X parameter is not ** an xFilter argument that was selected for all-at-once IN constraint -** processing, then these routines return [SQLITE_MISUSE])^ or perhaps -** exhibit some other undefined or harmful behavior. +** processing, then these routines return [SQLITE_ERROR].)^ ** ** ^(Use these routines to access all values on the right-hand side ** of the IN constraint using code like the following: ** ** <blockquote><pre> ** for(rc=sqlite3_vtab_in_first(pList, &pVal); -** rc==SQLITE_OK && pVal +** rc==SQLITE_OK && pVal; ** rc=sqlite3_vtab_in_next(pList, &pVal) ** ){ ** // do something with pVal @@ -10205,6 +10226,10 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** managed by the prepared statement S and will be automatically freed when ** S is finalized. ** +** Not all values are available for all query elements. When a value is +** not available, the output variable is set to -1 if the value is numeric, +** or to NULL if it is a string (SQLITE_SCANSTAT_NAME). +** ** <dl> ** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt> ** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be @@ -10232,12 +10257,24 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** -** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt> +** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECTID</dt> ** <dd>^The "int" variable pointed to by the V parameter will be set to the -** "select-id" for the X-th loop. The select-id identifies which query or -** subquery the loop is part of. The main query has a select-id of zero. -** The select-id is the same value as is output in the first column -** of an [EXPLAIN QUERY PLAN] query. +** id for the X-th query plan element. The id value is unique within the +** statement. The select-id is the same value as is output in the first +** column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_PARENTID]] <dt>SQLITE_SCANSTAT_PARENTID</dt> +** <dd>The "int" variable pointed to by the V parameter will be set to the +** the id of the parent of the current query element, if applicable, or +** to zero if the query element has no parent. This is the same value as +** returned in the second column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_NCYCLE]] <dt>SQLITE_SCANSTAT_NCYCLE</dt> +** <dd>The sqlite3_int64 output value is set to the number of cycles, +** according to the processor time-stamp counter, that elapsed while the +** query element was being processed. This value is not available for +** all query elements - if it is unavailable the output variable is +** set to -1. ** </dl> */ #define SQLITE_SCANSTAT_NLOOP 0 @@ -10246,12 +10283,14 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** #define SQLITE_SCANSTAT_NAME 3 #define SQLITE_SCANSTAT_EXPLAIN 4 #define SQLITE_SCANSTAT_SELECTID 5 +#define SQLITE_SCANSTAT_PARENTID 6 +#define SQLITE_SCANSTAT_NCYCLE 7 /* ** CAPI3REF: Prepared Statement Scan Status ** METHOD: sqlite3_stmt ** -** This interface returns information about the predicted and measured +** These interfaces return information about the predicted and measured ** performance for pStmt. Advanced applications can use this ** interface to compare the predicted and the measured performance and ** issue warnings and/or rerun [ANALYZE] if discrepancies are found. @@ -10262,19 +10301,25 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** ** The "iScanStatusOp" parameter determines which status information to return. ** The "iScanStatusOp" must be one of the [scanstatus options] or the behavior -** of this interface is undefined. -** ^The requested measurement is written into a variable pointed to by -** the "pOut" parameter. -** Parameter "idx" identifies the specific loop to retrieve statistics for. -** Loops are numbered starting from zero. ^If idx is out of range - less than -** zero or greater than or equal to the total number of loops used to implement -** the statement - a non-zero value is returned and the variable that pOut -** points to is unchanged. -** -** ^Statistics might not be available for all loops in all statements. ^In cases -** where there exist loops with no available statistics, this function behaves -** as if the loop did not exist - it returns non-zero and leave the variable -** that pOut points to unchanged. +** of this interface is undefined. ^The requested measurement is written into +** a variable pointed to by the "pOut" parameter. +** +** The "flags" parameter must be passed a mask of flags. At present only +** one flag is defined - SQLITE_SCANSTAT_COMPLEX. If SQLITE_SCANSTAT_COMPLEX +** is specified, then status information is available for all elements +** of a query plan that are reported by "EXPLAIN QUERY PLAN" output. If +** SQLITE_SCANSTAT_COMPLEX is not specified, then only query plan elements +** that correspond to query loops (the "SCAN..." and "SEARCH..." elements of +** the EXPLAIN QUERY PLAN output) are available. Invoking API +** sqlite3_stmt_scanstatus() is equivalent to calling +** sqlite3_stmt_scanstatus_v2() with a zeroed flags parameter. +** +** Parameter "idx" identifies the specific query element to retrieve statistics +** for. Query elements are numbered starting from zero. A value of -1 may be +** to query for statistics regarding the entire query. ^If idx is out of range +** - less than -1 or greater than or equal to the total number of query +** elements used to implement the statement - a non-zero value is returned and +** the variable that pOut points to is unchanged. ** ** See also: [sqlite3_stmt_scanstatus_reset()] */ @@ -10284,6 +10329,19 @@ SQLITE_API int sqlite3_stmt_scanstatus( int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ ); +SQLITE_API int sqlite3_stmt_scanstatus_v2( + sqlite3_stmt *pStmt, /* Prepared statement for which info desired */ + int idx, /* Index of loop to report on */ + int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ + int flags, /* Mask of flags defined below */ + void *pOut /* Result written here */ +); + +/* +** CAPI3REF: Prepared Statement Scan Status +** KEYWORDS: {scan status flags} +*/ +#define SQLITE_SCANSTAT_COMPLEX 0x0001 /* ** CAPI3REF: Zero Scan-Status Counters @@ -10374,6 +10432,10 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** function is not defined for operations on WITHOUT ROWID tables, or for ** DELETE operations on rowid tables. ** +** ^The sqlite3_preupdate_hook(D,C,P) function returns the P argument from +** the previous call on the same [database connection] D, or NULL for +** the first call on D. +** ** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()], ** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces ** provide additional information about a preupdate event. These routines @@ -10779,6 +10841,19 @@ SQLITE_API int sqlite3_deserialize( # undef double #endif +#if defined(__wasi__) +# undef SQLITE_WASI +# define SQLITE_WASI 1 +# undef SQLITE_OMIT_WAL +# define SQLITE_OMIT_WAL 1/* because it requires shared memory APIs */ +# ifndef SQLITE_OMIT_LOAD_EXTENSION +# define SQLITE_OMIT_LOAD_EXTENSION +# endif +# ifndef SQLITE_THREADSAFE +# define SQLITE_THREADSAFE 0 +# endif +#endif + #if 0 } /* End of the 'extern "C"' block */ #endif @@ -14330,15 +14405,9 @@ typedef INT8_TYPE i8; /* 1-byte signed integer */ /* ** The datatype used to store estimates of the number of rows in a -** table or index. This is an unsigned integer type. For 99.9% of -** the world, a 32-bit integer is sufficient. But a 64-bit integer -** can be used at compile-time if desired. +** table or index. */ -#ifdef SQLITE_64BIT_STATS - typedef u64 tRowcnt; /* 64-bit only if requested at compile-time */ -#else - typedef u32 tRowcnt; /* 32-bit is the default */ -#endif +typedef u64 tRowcnt; /* ** Estimated quantities used for query planning are stored as 16-bit @@ -14484,9 +14553,9 @@ typedef INT16_TYPE LogEst; ** pointers. In that case, only verify 4-byte alignment. */ #ifdef SQLITE_4_BYTE_ALIGNED_MALLOC -# define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&3)==0) +# define EIGHT_BYTE_ALIGNMENT(X) ((((uptr)(X) - (uptr)0)&3)==0) #else -# define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&7)==0) +# define EIGHT_BYTE_ALIGNMENT(X) ((((uptr)(X) - (uptr)0)&7)==0) #endif /* @@ -14540,15 +14609,38 @@ SQLITE_PRIVATE u32 sqlite3TreeTrace; && (defined(SQLITE_TEST) || defined(SQLITE_ENABLE_SELECTTRACE) \ || defined(SQLITE_ENABLE_TREETRACE)) # define TREETRACE_ENABLED 1 -# define SELECTTRACE(K,P,S,X) \ +# define TREETRACE(K,P,S,X) \ if(sqlite3TreeTrace&(K)) \ sqlite3DebugPrintf("%u/%d/%p: ",(S)->selId,(P)->addrExplain,(S)),\ sqlite3DebugPrintf X #else -# define SELECTTRACE(K,P,S,X) +# define TREETRACE(K,P,S,X) # define TREETRACE_ENABLED 0 #endif +/* TREETRACE flag meanings: +** +** 0x00000001 Beginning and end of SELECT processing +** 0x00000002 WHERE clause processing +** 0x00000004 Query flattener +** 0x00000008 Result-set wildcard expansion +** 0x00000010 Query name resolution +** 0x00000020 Aggregate analysis +** 0x00000040 Window functions +** 0x00000080 Generated column names +** 0x00000100 Move HAVING terms into WHERE +** 0x00000200 Count-of-view optimization +** 0x00000400 Compound SELECT processing +** 0x00000800 Drop superfluous ORDER BY +** 0x00001000 LEFT JOIN simplifies to JOIN +** 0x00002000 Constant propagation +** 0x00004000 Push-down optimization +** 0x00008000 After all FROM-clause analysis +** 0x00010000 Beginning of DELETE/INSERT/UPDATE processing +** 0x00020000 Transform DISTINCT into GROUP BY +** 0x00040000 SELECT tree dump after all code has been generated +*/ + /* ** Macros for "wheretrace" */ @@ -14561,6 +14653,36 @@ SQLITE_PRIVATE u32 sqlite3WhereTrace; # define WHERETRACE(K,X) #endif +/* +** Bits for the sqlite3WhereTrace mask: +** +** (---any--) Top-level block structure +** 0x-------F High-level debug messages +** 0x----FFF- More detail +** 0xFFFF---- Low-level debug messages +** +** 0x00000001 Code generation +** 0x00000002 Solver +** 0x00000004 Solver costs +** 0x00000008 WhereLoop inserts +** +** 0x00000010 Display sqlite3_index_info xBestIndex calls +** 0x00000020 Range an equality scan metrics +** 0x00000040 IN operator decisions +** 0x00000080 WhereLoop cost adjustements +** 0x00000100 +** 0x00000200 Covering index decisions +** 0x00000400 OR optimization +** 0x00000800 Index scanner +** 0x00001000 More details associated with code generation +** 0x00002000 +** 0x00004000 Show all WHERE terms at key points +** 0x00008000 Show the full SELECT statement at key places +** +** 0x00010000 Show more detail when printing WHERE terms +** 0x00020000 Show WHERE terms returned from whereScanNext() +*/ + /* ** An instance of the following structure is used to store the busy-handler @@ -15541,7 +15663,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p); ** reduce network bandwidth. ** ** Note that BTREE_HINT_FLAGS with BTREE_BULKLOAD is the only hint used by -** standard SQLite. The other hints are provided for extentions that use +** standard SQLite. The other hints are provided for extensions that use ** the SQLite parser and code generator but substitute their own storage ** engine. */ @@ -15687,7 +15809,15 @@ SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE sqlite3_int64 sqlite3BtreeMaxRecordSize(BtCursor*); -SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(sqlite3*,Btree*,Pgno*aRoot,int nRoot,int,int*); +SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( + sqlite3 *db, /* Database connection that is running the check */ + Btree *p, /* The btree to be checked */ + Pgno *aRoot, /* An array of root pages numbers for individual trees */ + int nRoot, /* Number of entries in aRoot[] */ + int mxErr, /* Stop reporting errors after this many */ + int *pnErr, /* OUT: Write number of errors seen to this variable */ + char **pzOut /* OUT: Write the error message string here */ +); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor*); @@ -15844,14 +15974,14 @@ struct VdbeOp { #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS char *zComment; /* Comment to improve readability */ #endif -#ifdef VDBE_PROFILE - u32 cnt; /* Number of times this instruction was executed */ - u64 cycles; /* Total time spent executing this instruction */ -#endif #ifdef SQLITE_VDBE_COVERAGE u32 iSrcLine; /* Source-code line that generated this opcode ** with flags in the upper 8 bits */ #endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + u64 nExec; + u64 nCycle; +#endif }; typedef struct VdbeOp VdbeOp; @@ -16142,29 +16272,30 @@ typedef struct VdbeOpList VdbeOpList; #define OPFLG_IN3 0x08 /* in3: P3 is an input */ #define OPFLG_OUT2 0x10 /* out2: P2 is an output */ #define OPFLG_OUT3 0x20 /* out3: P3 is an output */ +#define OPFLG_NCYCLE 0x40 /* ncycle:Cycles count against P1 */ #define OPFLG_INITIALIZER {\ -/* 0 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x01, 0x00,\ +/* 0 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x41, 0x00,\ /* 8 */ 0x01, 0x01, 0x01, 0x01, 0x03, 0x03, 0x01, 0x01,\ -/* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x09, 0x09, 0x09,\ -/* 24 */ 0x09, 0x01, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09,\ -/* 32 */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ -/* 40 */ 0x01, 0x01, 0x01, 0x26, 0x26, 0x01, 0x23, 0x0b,\ +/* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0x49, 0x49, 0x49,\ +/* 24 */ 0x49, 0x01, 0x49, 0x49, 0x49, 0x49, 0x49, 0x49,\ +/* 32 */ 0x41, 0x01, 0x01, 0x01, 0x41, 0x01, 0x41, 0x41,\ +/* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x23, 0x0b,\ /* 48 */ 0x01, 0x01, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ -/* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01, 0x01,\ +/* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01, 0x41,\ /* 64 */ 0x01, 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10,\ /* 72 */ 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10, 0x00,\ /* 80 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x02, 0x02,\ -/* 88 */ 0x02, 0x00, 0x00, 0x12, 0x1e, 0x20, 0x00, 0x00,\ -/* 96 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x00, 0x26, 0x26,\ +/* 88 */ 0x02, 0x00, 0x00, 0x12, 0x1e, 0x20, 0x40, 0x00,\ +/* 96 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x40, 0x26, 0x26,\ /* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\ -/* 112 */ 0x00, 0x00, 0x12, 0x00, 0x00, 0x10, 0x00, 0x00,\ -/* 120 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\ -/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,\ -/* 136 */ 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10, 0x00,\ +/* 112 */ 0x40, 0x00, 0x12, 0x40, 0x40, 0x10, 0x40, 0x00,\ +/* 120 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10, 0x10,\ +/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,\ +/* 136 */ 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50, 0x40,\ /* 144 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ /* 152 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\ /* 160 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,\ +/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x50, 0x40,\ /* 176 */ 0x00, 0x10, 0x10, 0x02, 0x00, 0x00, 0x00, 0x00,\ /* 184 */ 0x00, 0x00, 0x00,} @@ -16219,14 +16350,20 @@ SQLITE_PRIVATE void sqlite3VdbeNoJumpsOutsideSubrtn(Vdbe*,int,int,int); #endif SQLITE_PRIVATE VdbeOp *sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp,int iLineno); #ifndef SQLITE_OMIT_EXPLAIN -SQLITE_PRIVATE void sqlite3VdbeExplain(Parse*,u8,const char*,...); +SQLITE_PRIVATE int sqlite3VdbeExplain(Parse*,u8,const char*,...); SQLITE_PRIVATE void sqlite3VdbeExplainPop(Parse*); SQLITE_PRIVATE int sqlite3VdbeExplainParent(Parse*); # define ExplainQueryPlan(P) sqlite3VdbeExplain P +# ifdef SQLITE_ENABLE_STMT_SCANSTATUS +# define ExplainQueryPlan2(V,P) (V = sqlite3VdbeExplain P) +# else +# define ExplainQueryPlan2(V,P) ExplainQueryPlan(P) +# endif # define ExplainQueryPlanPop(P) sqlite3VdbeExplainPop(P) # define ExplainQueryPlanParent(P) sqlite3VdbeExplainParent(P) #else # define ExplainQueryPlan(P) +# define ExplainQueryPlan2(V,P) # define ExplainQueryPlanPop(P) # define ExplainQueryPlanParent(P) 0 # define sqlite3ExplainBreakpoint(A,B) /*no-op*/ @@ -16399,8 +16536,12 @@ SQLITE_PRIVATE void sqlite3VdbeSetLineNumber(Vdbe*,int); #ifdef SQLITE_ENABLE_STMT_SCANSTATUS SQLITE_PRIVATE void sqlite3VdbeScanStatus(Vdbe*, int, int, int, LogEst, const char*); +SQLITE_PRIVATE void sqlite3VdbeScanStatusRange(Vdbe*, int, int, int); +SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters(Vdbe*, int, int, int); #else -# define sqlite3VdbeScanStatus(a,b,c,d,e) +# define sqlite3VdbeScanStatus(a,b,c,d,e,f) +# define sqlite3VdbeScanStatusRange(a,b,c,d) +# define sqlite3VdbeScanStatusCounters(a,b,c,d) #endif #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) @@ -16455,7 +16596,7 @@ struct PgHdr { ** private to pcache.c and should not be accessed by other modules. ** pCache is grouped with the public elements for efficiency. */ - i16 nRef; /* Number of users of this page */ + i64 nRef; /* Number of users of this page */ PgHdr *pDirtyNext; /* Next element in list of dirty pages */ PgHdr *pDirtyPrev; /* Previous element in list of dirty pages */ /* NB: pDirtyNext and pDirtyPrev are undefined if the @@ -16536,12 +16677,12 @@ SQLITE_PRIVATE void sqlite3PcacheClearSyncFlags(PCache *); SQLITE_PRIVATE void sqlite3PcacheClear(PCache*); /* Return the total number of outstanding page references */ -SQLITE_PRIVATE int sqlite3PcacheRefCount(PCache*); +SQLITE_PRIVATE i64 sqlite3PcacheRefCount(PCache*); /* Increment the reference count of an existing page */ SQLITE_PRIVATE void sqlite3PcacheRef(PgHdr*); -SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr*); +SQLITE_PRIVATE i64 sqlite3PcachePageRefcount(PgHdr*); /* Return the total number of pages stored in the cache */ SQLITE_PRIVATE int sqlite3PcachePagecount(PCache*); @@ -17197,6 +17338,7 @@ struct sqlite3 { #define SQLITE_FlttnUnionAll 0x00800000 /* Disable the UNION ALL flattener */ /* TH3 expects this value ^^^^^^^^^^ See flatten04.test */ #define SQLITE_IndexedExpr 0x01000000 /* Pull exprs from index when able */ +#define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ #define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* @@ -17281,8 +17423,14 @@ struct FuncDestructor { ** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG ** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API ** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API -** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS +** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS -- opposite meanings!!! ** SQLITE_FUNC_ENCMASK depends on SQLITE_UTF* macros in the API +** +** Note that even though SQLITE_FUNC_UNSAFE and SQLITE_INNOCUOUS have the +** same bit value, their meanings are inverted. SQLITE_FUNC_UNSAFE is +** used internally and if set means tha the function has side effects. +** SQLITE_INNOCUOUS is used by application code and means "not unsafe". +** See multiple instances of tag-20230109-1. */ #define SQLITE_FUNC_ENCMASK 0x0003 /* SQLITE_UTF8, SQLITE_UTF16BE or UTF16LE */ #define SQLITE_FUNC_LIKE 0x0004 /* Candidate for the LIKE optimization */ @@ -17399,7 +17547,7 @@ struct FuncDestructor { {nArg, SQLITE_FUNC_BUILTIN|SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ xPtr, 0, xFunc, 0, 0, 0, #zName, {0} } #define JFUNCTION(zName, nArg, iArg, xFunc) \ - {nArg, SQLITE_FUNC_BUILTIN|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS|\ + {nArg, SQLITE_FUNC_BUILTIN|SQLITE_DETERMINISTIC|\ SQLITE_FUNC_CONSTANT|SQLITE_UTF8, \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } #define INLINE_FUNC(zName, nArg, iArg, mFlags) \ @@ -17591,6 +17739,7 @@ struct CollSeq { #define SQLITE_AFF_NUMERIC 0x43 /* 'C' */ #define SQLITE_AFF_INTEGER 0x44 /* 'D' */ #define SQLITE_AFF_REAL 0x45 /* 'E' */ +#define SQLITE_AFF_FLEXNUM 0x46 /* 'F' */ #define sqlite3IsNumericAffinity(X) ((X)>=SQLITE_AFF_NUMERIC) @@ -18122,16 +18271,15 @@ struct AggInfo { ** from source tables rather than from accumulators */ u8 useSortingIdx; /* In direct mode, reference the sorting index rather ** than the source table */ + u16 nSortingColumn; /* Number of columns in the sorting index */ int sortingIdx; /* Cursor number of the sorting index */ int sortingIdxPTab; /* Cursor number of pseudo-table */ - int nSortingColumn; /* Number of columns in the sorting index */ - int mnReg, mxReg; /* Range of registers allocated for aCol and aFunc */ + int iFirstReg; /* First register in range for aCol[] and aFunc[] */ ExprList *pGroupBy; /* The group by clause */ struct AggInfo_col { /* For each column used in source tables */ Table *pTab; /* Source table */ Expr *pCExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - int iMem; /* Memory location that acts as accumulator */ i16 iColumn; /* Column number within the source table */ i16 iSorterColumn; /* Column number in the sorting index */ } *aCol; @@ -18142,15 +18290,28 @@ struct AggInfo { struct AggInfo_func { /* For each aggregate function */ Expr *pFExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ - int iMem; /* Memory location that acts as accumulator */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ int iDistAddr; /* Address of OP_OpenEphemeral */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ u32 selId; /* Select to which this AggInfo belongs */ +#ifdef SQLITE_DEBUG + Select *pSelect; /* SELECT statement that this AggInfo supports */ +#endif }; /* +** Macros to compute aCol[] and aFunc[] register numbers. +** +** These macros should not be used prior to the call to +** assignAggregateRegisters() that computes the value of pAggInfo->iFirstReg. +** The assert()s that are part of this macro verify that constraint. +*/ +#define AggInfoColumnReg(A,I) (assert((A)->iFirstReg),(A)->iFirstReg+(I)) +#define AggInfoFuncReg(A,I) \ + (assert((A)->iFirstReg),(A)->iFirstReg+(A)->nColumn+(I)) + +/* ** The datatype ynVar is a signed integer, either 16-bit or 32-bit. ** Usually it is 16-bits. But if SQLITE_MAX_VARIABLE_NUMBER is greater ** than 32767 we have to make it 32-bit. 16-bit is preferred because @@ -18680,7 +18841,7 @@ struct NameContext { #define NC_HasAgg 0x000010 /* One or more aggregate functions seen */ #define NC_IdxExpr 0x000020 /* True if resolving columns of CREATE INDEX */ #define NC_SelfRef 0x00002e /* Combo: PartIdx, isCheck, GenCol, and IdxExpr */ -#define NC_VarSelect 0x000040 /* A correlated subquery has been seen */ +#define NC_Subquery 0x000040 /* A subquery has been seen */ #define NC_UEList 0x000080 /* True if uNC.pEList is used */ #define NC_UAggInfo 0x000100 /* True if uNC.pAggInfo is used */ #define NC_UUpsert 0x000200 /* True if uNC.pUpsert is used */ @@ -18809,6 +18970,7 @@ struct Select { #define SF_MultiPart 0x2000000 /* Has multiple incompatible PARTITIONs */ #define SF_CopyCte 0x4000000 /* SELECT statement is a copy of a CTE */ #define SF_OrderByReqd 0x8000000 /* The ORDER BY clause may not be omitted */ +#define SF_UpdateFrom 0x10000000 /* Query originates with UPDATE FROM */ /* True if S exists and has SF_NestedFrom */ #define IsNestedFrom(S) ((S)!=0 && ((S)->selFlags&SF_NestedFrom)!=0) @@ -18917,7 +19079,7 @@ struct SelectDest { int iSDParm2; /* A second parameter for the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ - char *zAffSdst; /* Affinity used for SRT_Set, SRT_Table, and similar */ + char *zAffSdst; /* Affinity used for SRT_Set */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; @@ -18976,10 +19138,10 @@ struct TriggerPrg { #else typedef unsigned int yDbMask; # define DbMaskTest(M,I) (((M)&(((yDbMask)1)<<(I)))!=0) -# define DbMaskZero(M) (M)=0 -# define DbMaskSet(M,I) (M)|=(((yDbMask)1)<<(I)) -# define DbMaskAllZero(M) (M)==0 -# define DbMaskNonZero(M) (M)!=0 +# define DbMaskZero(M) ((M)=0) +# define DbMaskSet(M,I) ((M)|=(((yDbMask)1)<<(I))) +# define DbMaskAllZero(M) ((M)==0) +# define DbMaskNonZero(M) ((M)!=0) #endif /* @@ -18998,6 +19160,7 @@ struct IndexedExpr { int iIdxCur; /* The index cursor */ int iIdxCol; /* The index column that contains value of pExpr */ u8 bMaybeNullRow; /* True if we need an OP_IfNullRow check */ + u8 aff; /* Affinity of the pExpr expression */ IndexedExpr *pIENext; /* Next in a list of all indexed expressions */ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS const char *zIdxName; /* Name of index, used only for bytecode comments */ @@ -19050,6 +19213,9 @@ struct Parse { #if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) u8 earlyCleanup; /* OOM inside sqlite3ParserAddCleanup() */ #endif +#ifdef SQLITE_DEBUG + u8 ifNotExists; /* Might be true if IF NOT EXISTS. Assert()s only */ +#endif int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ @@ -19062,7 +19228,7 @@ struct Parse { int nLabelAlloc; /* Number of slots in aLabel */ int *aLabel; /* Space to hold the labels */ ExprList *pConstExpr;/* Constant expressions */ - IndexedExpr *pIdxExpr;/* List of expressions used by active indexes */ + IndexedExpr *pIdxEpr;/* List of expressions used by active indexes */ Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ yDbMask cookieMask; /* Bitmask of schema verified databases */ @@ -19086,6 +19252,9 @@ struct Parse { u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ u32 newmask; /* Mask of new.* columns referenced */ +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ +#endif u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ u8 bReturning; /* Coding a RETURNING trigger */ u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ @@ -19834,13 +20003,11 @@ SQLITE_PRIVATE int sqlite3HeapNearlyFull(void); #ifdef SQLITE_USE_ALLOCA # define sqlite3StackAllocRaw(D,N) alloca(N) # define sqlite3StackAllocRawNN(D,N) alloca(N) -# define sqlite3StackAllocZero(D,N) memset(alloca(N), 0, N) # define sqlite3StackFree(D,P) # define sqlite3StackFreeNN(D,P) #else # define sqlite3StackAllocRaw(D,N) sqlite3DbMallocRaw(D,N) # define sqlite3StackAllocRawNN(D,N) sqlite3DbMallocRawNN(D,N) -# define sqlite3StackAllocZero(D,N) sqlite3DbMallocZero(D,N) # define sqlite3StackFree(D,P) sqlite3DbFree(D,P) # define sqlite3StackFreeNN(D,P) sqlite3DbFreeNN(D,P) #endif @@ -19965,6 +20132,7 @@ SQLITE_PRIVATE void sqlite3ShowWinFunc(const Window*); #endif SQLITE_PRIVATE void sqlite3SetString(char **, sqlite3*, const char*); +SQLITE_PRIVATE void sqlite3ProgressCheck(Parse*); SQLITE_PRIVATE void sqlite3ErrorMsg(Parse*, const char*, ...); SQLITE_PRIVATE int sqlite3ErrorToParser(sqlite3*,int); SQLITE_PRIVATE void sqlite3Dequote(char*); @@ -20022,7 +20190,7 @@ SQLITE_PRIVATE const char *sqlite3ColumnColl(Column*); SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3*,Table*); SQLITE_PRIVATE void sqlite3GenerateColumnNames(Parse *pParse, Select *pSelect); SQLITE_PRIVATE int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**); -SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation(Parse*,Table*,Select*,char); +SQLITE_PRIVATE void sqlite3SubqueryColumnTypes(Parse*,Table*,Select*,char); SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse*,Select*,char); SQLITE_PRIVATE void sqlite3OpenSchemaTable(Parse *, int); SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table*); @@ -20342,7 +20510,7 @@ SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); SQLITE_PRIVATE int sqlite3RealSameAsInt(double,sqlite3_int64); SQLITE_PRIVATE i64 sqlite3RealToI64(double); -SQLITE_PRIVATE void sqlite3Int64ToText(i64,char*); +SQLITE_PRIVATE int sqlite3Int64ToText(i64,char*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); SQLITE_PRIVATE int sqlite3GetUInt32(const char*, u32*); @@ -20393,6 +20561,7 @@ SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2); SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity); SQLITE_PRIVATE char sqlite3TableColumnAffinity(const Table*,int); SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr); +SQLITE_PRIVATE int sqlite3ExprDataType(const Expr *pExpr); SQLITE_PRIVATE int sqlite3Atoi64(const char*, i64*, int, u8); SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char*, i64*); SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); @@ -20409,6 +20578,9 @@ SQLITE_PRIVATE const char *sqlite3ErrName(int); #ifndef SQLITE_OMIT_DESERIALIZE SQLITE_PRIVATE int sqlite3MemdbInit(void); +SQLITE_PRIVATE int sqlite3IsMemdb(const sqlite3_vfs*); +#else +# define sqlite3IsMemdb(X) 0 #endif SQLITE_PRIVATE const char *sqlite3ErrStr(int); @@ -20548,7 +20720,7 @@ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3 *db, int); SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *); SQLITE_PRIVATE void sqlite3StrAccumInit(StrAccum*, sqlite3*, char*, int, int); -SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum*, int); +SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum*, i64); SQLITE_PRIVATE char *sqlite3StrAccumFinish(StrAccum*); SQLITE_PRIVATE void sqlite3StrAccumSetError(StrAccum*, u8); SQLITE_PRIVATE void sqlite3ResultStrAccum(sqlite3_context*,StrAccum*); @@ -20906,6 +21078,12 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt); SQLITE_PRIVATE int sqlite3KvvfsInit(void); #endif +#if defined(VDBE_PROFILE) \ + || defined(SQLITE_PERFORMANCE_TRACE) \ + || defined(SQLITE_ENABLE_STMT_SCANSTATUS) +SQLITE_PRIVATE sqlite3_uint64 sqlite3Hwtime(void); +#endif + #endif /* SQLITEINT_H */ /************** End of sqliteInt.h *******************************************/ @@ -20947,101 +21125,6 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void); */ #ifdef SQLITE_PERFORMANCE_TRACE -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/************** Include hwtime.h in the middle of os_common.h ****************/ -/************** Begin file hwtime.h ******************************************/ -/* -** 2008 May 27 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This file contains inline asm code for retrieving "high-performance" -** counters for x86 and x86_64 class CPUs. -*/ -#ifndef SQLITE_HWTIME_H -#define SQLITE_HWTIME_H - -/* -** The following routine only works on pentium-class (or newer) processors. -** It uses the RDTSC opcode to read the cycle count value out of the -** processor and returns that value. This can be used for high-res -** profiling. -*/ -#if !defined(__STRICT_ANSI__) && \ - (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) - - #if defined(__GNUC__) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned int lo, hi; - __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); - return (sqlite_uint64)hi << 32 | lo; - } - - #elif defined(_MSC_VER) - - __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ - __asm { - rdtsc - ret ; return value at EDX:EAX - } - } - - #endif - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long val; - __asm__ __volatile__ ("rdtsc" : "=A" (val)); - return val; - } - -#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) - - __inline__ sqlite_uint64 sqlite3Hwtime(void){ - unsigned long long retval; - unsigned long junk; - __asm__ __volatile__ ("\n\ - 1: mftbu %1\n\ - mftb %L0\n\ - mftbu %0\n\ - cmpw %0,%1\n\ - bne 1b" - : "=r" (retval), "=r" (junk)); - return retval; - } - -#else - - /* - ** asm() is needed for hardware timing support. Without asm(), - ** disable the sqlite3Hwtime() routine. - ** - ** sqlite3Hwtime() is only used for some obscure debugging - ** and analysis configurations, not in any deliverable, so this - ** should not be a great loss. - */ -SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } - -#endif - -#endif /* !defined(SQLITE_HWTIME_H) */ - -/************** End of hwtime.h **********************************************/ -/************** Continuing where we left off in os_common.h ******************/ - static sqlite_uint64 g_start; static sqlite_uint64 g_elapsed; #define TIMER_START g_start=sqlite3Hwtime() @@ -22486,7 +22569,6 @@ struct VdbeFrame { Vdbe *v; /* VM this frame belongs to */ VdbeFrame *pParent; /* Parent of this frame, or NULL if parent is main */ Op *aOp; /* Program instructions for parent frame */ - i64 *anExec; /* Event counters from parent frame */ Mem *aMem; /* Array of memory cells for parent frame */ VdbeCursor **apCsr; /* Array of Vdbe cursors for parent frame */ u8 *aOnce; /* Bitmask used by OP_Once */ @@ -22702,10 +22784,19 @@ typedef unsigned bft; /* Bit Field Type */ /* The ScanStatus object holds a single value for the ** sqlite3_stmt_scanstatus() interface. +** +** aAddrRange[]: +** This array is used by ScanStatus elements associated with EQP +** notes that make an SQLITE_SCANSTAT_NCYCLE value available. It is +** an array of up to 3 ranges of VM addresses for which the Vdbe.anCycle[] +** values should be summed to calculate the NCYCLE value. Each pair of +** integer addresses is a start and end address (both inclusive) for a range +** instructions. A start value of 0 indicates an empty range. */ typedef struct ScanStatus ScanStatus; struct ScanStatus { int addrExplain; /* OP_Explain for loop */ + int aAddrRange[6]; int addrLoop; /* Address of "loops" counter */ int addrVisit; /* Address of "rows visited" counter */ int iSelectID; /* The "Select-ID" for this loop */ @@ -22761,7 +22852,7 @@ struct Vdbe { int nOp; /* Number of instructions in the program */ int nOpAlloc; /* Slots allocated for aOp[] */ Mem *aColName; /* Column names to return */ - Mem *pResultSet; /* Pointer to an array of results */ + Mem *pResultRow; /* Current output row */ char *zErrMsg; /* Error message written here */ VList *pVList; /* Name of variables */ #ifndef SQLITE_OMIT_TRACE @@ -22798,7 +22889,6 @@ struct Vdbe { SubProgram *pProgram; /* Linked list of all sub-programs used by VM */ AuxData *pAuxData; /* Linked list of auxdata allocations */ #ifdef SQLITE_ENABLE_STMT_SCANSTATUS - i64 *anExec; /* Number of times each op has been executed */ int nScan; /* Entries in aScan[] */ ScanStatus *aScan; /* Scan definitions for sqlite3_stmt_scanstatus() */ #endif @@ -22965,6 +23055,8 @@ SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *, int *); SQLITE_PRIVATE int sqlite3VdbeSorterWrite(const VdbeCursor *, Mem *); SQLITE_PRIVATE int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int, int *); +SQLITE_PRIVATE void sqlite3VdbeValueListFree(void*); + #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbeIncrWriteCounter(Vdbe*, VdbeCursor*); SQLITE_PRIVATE void sqlite3VdbeAssertAbortable(Vdbe*); @@ -24152,7 +24244,7 @@ static int parseModifier( i64 iOrigJD; /* Original localtime */ i64 iGuess; /* Guess at the corresponding utc time */ int cnt = 0; /* Safety to prevent infinite loop */ - int iErr; /* Guess is off by this much */ + i64 iErr; /* Guess is off by this much */ computeJD(p); iGuess = iOrigJD = p->iJD; @@ -29220,7 +29312,7 @@ static void mallocWithAlarm(int n, void **pp){ ** The upper bound is slightly less than 2GiB: 0x7ffffeff == 2,147,483,391 ** This provides a 256-byte safety margin for defense against 32-bit ** signed integer overflow bugs when computing memory allocation sizes. -** Parnoid applications might want to reduce the maximum allocation size +** Paranoid applications might want to reduce the maximum allocation size ** further for an even larger safety margin. 0x3fffffff or 0x0fffffff ** or even smaller would be reasonable upper bounds on the size of a memory ** allocations for most applications. @@ -29734,9 +29826,14 @@ SQLITE_PRIVATE char *sqlite3DbStrNDup(sqlite3 *db, const char *z, u64 n){ */ SQLITE_PRIVATE char *sqlite3DbSpanDup(sqlite3 *db, const char *zStart, const char *zEnd){ int n; +#ifdef SQLITE_DEBUG + /* Because of the way the parser works, the span is guaranteed to contain + ** at least one non-space character */ + for(n=0; sqlite3Isspace(zStart[n]); n++){ assert( &zStart[n]<zEnd ); } +#endif while( sqlite3Isspace(zStart[0]) ) zStart++; n = (int)(zEnd - zStart); - while( ALWAYS(n>0) && sqlite3Isspace(zStart[n-1]) ) n--; + while( sqlite3Isspace(zStart[n-1]) ) n--; return sqlite3DbStrNDup(db, zStart, n); } @@ -30575,13 +30672,26 @@ SQLITE_API void sqlite3_str_vappendf( } } if( precision>1 ){ + i64 nPrior = 1; width -= precision-1; if( width>1 && !flag_leftjustify ){ sqlite3_str_appendchar(pAccum, width-1, ' '); width = 0; } - while( precision-- > 1 ){ - sqlite3_str_append(pAccum, buf, length); + sqlite3_str_append(pAccum, buf, length); + precision--; + while( precision > 1 ){ + i64 nCopyBytes; + if( nPrior > precision-1 ) nPrior = precision - 1; + nCopyBytes = length*nPrior; + if( nCopyBytes + pAccum->nChar >= pAccum->nAlloc ){ + sqlite3StrAccumEnlarge(pAccum, nCopyBytes); + } + if( pAccum->accError ) break; + sqlite3_str_append(pAccum, + &pAccum->zText[pAccum->nChar-nCopyBytes], nCopyBytes); + precision -= nPrior; + nPrior *= 2; } } bufpt = buf; @@ -30809,9 +30919,9 @@ SQLITE_PRIVATE void sqlite3RecordErrorOffsetOfExpr(sqlite3 *db, const Expr *pExp ** Return the number of bytes of text that StrAccum is able to accept ** after the attempted enlargement. The value returned might be zero. */ -SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum *p, int N){ +SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum *p, i64 N){ char *zNew; - assert( p->nChar+(i64)N >= p->nAlloc ); /* Only called if really needed */ + assert( p->nChar+N >= p->nAlloc ); /* Only called if really needed */ if( p->accError ){ testcase(p->accError==SQLITE_TOOBIG); testcase(p->accError==SQLITE_NOMEM); @@ -30822,8 +30932,7 @@ SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum *p, int N){ return p->nAlloc - p->nChar - 1; }else{ char *zOld = isMalloced(p) ? p->zText : 0; - i64 szNew = p->nChar; - szNew += (sqlite3_int64)N + 1; + i64 szNew = p->nChar + N + 1; if( szNew+p->nChar<=p->mxAlloc ){ /* Force exponential buffer size growth as long as it does not overflow, ** to avoid having to call this routine too often */ @@ -30853,7 +30962,8 @@ SQLITE_PRIVATE int sqlite3StrAccumEnlarge(StrAccum *p, int N){ return 0; } } - return N; + assert( N>=0 && N<=0x7fffffff ); + return (int)N; } /* @@ -31449,6 +31559,13 @@ SQLITE_PRIVATE void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc) if( pItem->fg.isOn || (pItem->fg.isUsing==0 && pItem->u3.pOn!=0) ){ sqlite3_str_appendf(&x, " ON"); } + if( pItem->fg.isTabFunc ) sqlite3_str_appendf(&x, " isTabFunc"); + if( pItem->fg.isCorrelated ) sqlite3_str_appendf(&x, " isCorrelated"); + if( pItem->fg.isMaterialized ) sqlite3_str_appendf(&x, " isMaterialized"); + if( pItem->fg.viaCoroutine ) sqlite3_str_appendf(&x, " viaCoroutine"); + if( pItem->fg.notCte ) sqlite3_str_appendf(&x, " notCte"); + if( pItem->fg.isNestedFrom ) sqlite3_str_appendf(&x, " isNestedFrom"); + sqlite3StrAccumFinish(&x); sqlite3TreeViewItem(pView, zLine, i<pSrc->nSrc-1); n = 0; @@ -31718,7 +31835,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m sqlite3TreeViewPop(&pView); return; } - if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags ){ + if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags || pExpr->pAggInfo ){ StrAccum x; sqlite3StrAccumInit(&x, 0, zFlgs, sizeof(zFlgs), 0); sqlite3_str_appendf(&x, " fg.af=%x.%c", @@ -31735,6 +31852,9 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m if( ExprHasVVAProperty(pExpr, EP_Immutable) ){ sqlite3_str_appendf(&x, " IMMUTABLE"); } + if( pExpr->pAggInfo!=0 ){ + sqlite3_str_appendf(&x, " agg-column[%d]", pExpr->iAgg); + } sqlite3StrAccumFinish(&x); }else{ zFlgs[0] = 0; @@ -33675,6 +33795,26 @@ SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3 *db, int err_code, const char *z } /* +** Check for interrupts and invoke progress callback. +*/ +SQLITE_PRIVATE void sqlite3ProgressCheck(Parse *p){ + sqlite3 *db = p->db; + if( AtomicLoad(&db->u1.isInterrupted) ){ + p->nErr++; + p->rc = SQLITE_INTERRUPT; + } +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + if( db->xProgress && (++p->nProgressSteps)>=db->nProgressOps ){ + if( db->xProgress(db->pProgressArg) ){ + p->nErr++; + p->rc = SQLITE_INTERRUPT; + } + p->nProgressSteps = 0; + } +#endif +} + +/* ** Add an error message to pParse->zErrMsg and increment pParse->nErr. ** ** This function should be used to report any error that occurs while @@ -34131,11 +34271,14 @@ do_atof_calc: #endif /* -** Render an signed 64-bit integer as text. Store the result in zOut[]. +** Render an signed 64-bit integer as text. Store the result in zOut[] and +** return the length of the string that was stored, in bytes. The value +** returned does not include the zero terminator at the end of the output +** string. ** ** The caller must ensure that zOut[] is at least 21 bytes in size. */ -SQLITE_PRIVATE void sqlite3Int64ToText(i64 v, char *zOut){ +SQLITE_PRIVATE int sqlite3Int64ToText(i64 v, char *zOut){ int i; u64 x; char zTemp[22]; @@ -34152,6 +34295,7 @@ SQLITE_PRIVATE void sqlite3Int64ToText(i64 v, char *zOut){ }while( x ); if( v<0 ) zTemp[i--] = '-'; memcpy(zOut, &zTemp[i+1], sizeof(zTemp)-1-i); + return sizeof(zTemp)-2-i; } /* @@ -35213,6 +35357,104 @@ SQLITE_PRIVATE int sqlite3VListNameToNum(VList *pIn, const char *zName, int nNam return 0; } +/* +** High-resolution hardware timer used for debugging and testing only. +*/ +#if defined(VDBE_PROFILE) \ + || defined(SQLITE_PERFORMANCE_TRACE) \ + || defined(SQLITE_ENABLE_STMT_SCANSTATUS) +/************** Include hwtime.h in the middle of util.c *********************/ +/************** Begin file hwtime.h ******************************************/ +/* +** 2008 May 27 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +****************************************************************************** +** +** This file contains inline asm code for retrieving "high-performance" +** counters for x86 and x86_64 class CPUs. +*/ +#ifndef SQLITE_HWTIME_H +#define SQLITE_HWTIME_H + +/* +** The following routine only works on pentium-class (or newer) processors. +** It uses the RDTSC opcode to read the cycle count value out of the +** processor and returns that value. This can be used for high-res +** profiling. +*/ +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) + + #if defined(__GNUC__) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned int lo, hi; + __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); + return (sqlite_uint64)hi << 32 | lo; + } + + #elif defined(_MSC_VER) + + __declspec(naked) __inline sqlite_uint64 __cdecl sqlite3Hwtime(void){ + __asm { + rdtsc + ret ; return value at EDX:EAX + } + } + + #endif + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned int lo, hi; + __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); + return (sqlite_uint64)hi << 32 | lo; + } + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) + + __inline__ sqlite_uint64 sqlite3Hwtime(void){ + unsigned long long retval; + unsigned long junk; + __asm__ __volatile__ ("\n\ + 1: mftbu %1\n\ + mftb %L0\n\ + mftbu %0\n\ + cmpw %0,%1\n\ + bne 1b" + : "=r" (retval), "=r" (junk)); + return retval; + } + +#else + + /* + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. + */ +SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } + +#endif + +#endif /* !defined(SQLITE_HWTIME_H) */ + +/************** End of hwtime.h **********************************************/ +/************** Continuing where we left off in util.c ***********************/ +#endif + /************** End of util.c ************************************************/ /************** Begin file hash.c ********************************************/ /* @@ -35383,12 +35625,13 @@ static HashElem *findElementWithHash( count = pH->count; } if( pHash ) *pHash = h; - while( count-- ){ + while( count ){ assert( elem!=0 ); if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; + count--; } return &nullElement; } @@ -35747,7 +35990,9 @@ struct KVVfsFile { char *aJrnl; /* Journal content */ int szPage; /* Last known page size */ sqlite3_int64 szDb; /* Database file size. -1 means unknown */ + char *aData; /* Buffer to hold page data */ }; +#define SQLITE_KVOS_SZ 133073 /* ** Methods for KVVfsFile @@ -36110,8 +36355,7 @@ static int kvvfsDecode(const char *a, char *aOut, int nOut){ if( j+n>nOut ) return -1; memset(&aOut[j], 0, n); j += n; - c = aIn[i]; - if( c==0 ) break; + if( c==0 || mult==1 ) break; /* progress stalled if mult==1 */ }else{ aOut[j] = c<<4; c = kvvfsHexValue[aIn[++i]]; @@ -36188,6 +36432,7 @@ static int kvvfsClose(sqlite3_file *pProtoFile){ SQLITE_KV_LOG(("xClose %s %s\n", pFile->zClass, pFile->isJournal ? "journal" : "db")); sqlite3_free(pFile->aJrnl); + sqlite3_free(pFile->aData); return SQLITE_OK; } @@ -36236,7 +36481,7 @@ static int kvvfsReadDb( unsigned int pgno; int got, n; char zKey[30]; - char aData[133073]; + char *aData = pFile->aData; assert( iOfst>=0 ); assert( iAmt>=0 ); SQLITE_KV_LOG(("xRead('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst)); @@ -36253,7 +36498,8 @@ static int kvvfsReadDb( pgno = 1; } sqlite3_snprintf(sizeof(zKey), zKey, "%u", pgno); - got = sqlite3KvvfsMethods.xRead(pFile->zClass, zKey, aData, sizeof(aData)-1); + got = sqlite3KvvfsMethods.xRead(pFile->zClass, zKey, + aData, SQLITE_KVOS_SZ-1); if( got<0 ){ n = 0; }else{ @@ -36261,7 +36507,7 @@ static int kvvfsReadDb( if( iOfst+iAmt<512 ){ int k = iOfst+iAmt; aData[k*2] = 0; - n = kvvfsDecode(aData, &aData[2000], sizeof(aData)-2000); + n = kvvfsDecode(aData, &aData[2000], SQLITE_KVOS_SZ-2000); if( n>=iOfst+iAmt ){ memcpy(zBuf, &aData[2000+iOfst], iAmt); n = iAmt; @@ -36320,7 +36566,7 @@ static int kvvfsWriteDb( KVVfsFile *pFile = (KVVfsFile*)pProtoFile; unsigned int pgno; char zKey[30]; - char aData[131073]; + char *aData = pFile->aData; SQLITE_KV_LOG(("xWrite('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst)); assert( iAmt>=512 && iAmt<=65536 ); assert( (iAmt & (iAmt-1))==0 ); @@ -36529,6 +36775,10 @@ static int kvvfsOpen( }else{ pFile->zClass = "local"; } + pFile->aData = sqlite3_malloc64(SQLITE_KVOS_SZ); + if( pFile->aData==0 ){ + return SQLITE_NOMEM; + } pFile->aJrnl = 0; pFile->nJrnl = 0; pFile->szPage = -1; @@ -36765,7 +37015,8 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void){ /* #include <time.h> */ #include <sys/time.h> /* amalgamator: keep */ #include <errno.h> -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) # include <sys/mman.h> #endif @@ -36853,9 +37104,46 @@ SQLITE_PRIVATE int sqlite3KvvfsInit(void){ */ #define SQLITE_MAX_SYMLINKS 100 +/* +** Remove and stub certain info for WASI (WebAssembly System +** Interface) builds. +*/ +#ifdef SQLITE_WASI +# undef HAVE_FCHMOD +# undef HAVE_FCHOWN +# undef HAVE_MREMAP +# define HAVE_MREMAP 0 +# ifndef SQLITE_DEFAULT_UNIX_VFS +# define SQLITE_DEFAULT_UNIX_VFS "unix-dotfile" + /* ^^^ should SQLITE_DEFAULT_UNIX_VFS be "unix-none"? */ +# endif +# ifndef F_RDLCK +# define F_RDLCK 0 +# define F_WRLCK 1 +# define F_UNLCK 2 +# if __LONG_MAX == 0x7fffffffL +# define F_GETLK 12 +# define F_SETLK 13 +# define F_SETLKW 14 +# else +# define F_GETLK 5 +# define F_SETLK 6 +# define F_SETLKW 7 +# endif +# endif +#else /* !SQLITE_WASI */ +# ifndef HAVE_FCHMOD +# define HAVE_FCHMOD +# endif +#endif /* SQLITE_WASI */ + +#ifdef SQLITE_WASI +# define osGetpid(X) (pid_t)1 +#else /* Always cast the getpid() return type for compatibility with ** kernel modules in VxWorks. */ -#define osGetpid(X) (pid_t)getpid() +# define osGetpid(X) (pid_t)getpid() +#endif /* ** Only set the lastErrno if the error code is a real error and not @@ -37127,7 +37415,11 @@ static struct unix_syscall { #define osPwrite64 ((ssize_t(*)(int,const void*,size_t,off64_t))\ aSyscall[13].pCurrent) +#if defined(HAVE_FCHMOD) { "fchmod", (sqlite3_syscall_ptr)fchmod, 0 }, +#else + { "fchmod", (sqlite3_syscall_ptr)0, 0 }, +#endif #define osFchmod ((int(*)(int,mode_t))aSyscall[14].pCurrent) #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE @@ -37163,14 +37455,16 @@ static struct unix_syscall { #endif #define osGeteuid ((uid_t(*)(void))aSyscall[21].pCurrent) -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) { "mmap", (sqlite3_syscall_ptr)mmap, 0 }, #else { "mmap", (sqlite3_syscall_ptr)0, 0 }, #endif #define osMmap ((void*(*)(void*,size_t,int,int,int,off_t))aSyscall[22].pCurrent) -#if !defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0 +#if (!defined(SQLITE_OMIT_WAL) || SQLITE_MAX_MMAP_SIZE>0) \ + && !defined(SQLITE_WASI) { "munmap", (sqlite3_syscall_ptr)munmap, 0 }, #else { "munmap", (sqlite3_syscall_ptr)0, 0 }, @@ -38321,7 +38615,7 @@ static int unixFileLock(unixFile *pFile, struct flock *pLock){ ** ** UNLOCKED -> SHARED ** SHARED -> RESERVED -** SHARED -> (PENDING) -> EXCLUSIVE +** SHARED -> EXCLUSIVE ** RESERVED -> (PENDING) -> EXCLUSIVE ** PENDING -> EXCLUSIVE ** @@ -38354,19 +38648,20 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** A RESERVED lock is implemented by grabbing a write-lock on the ** 'reserved byte'. ** - ** A process may only obtain a PENDING lock after it has obtained a - ** SHARED lock. A PENDING lock is implemented by obtaining a write-lock - ** on the 'pending byte'. This ensures that no new SHARED locks can be - ** obtained, but existing SHARED locks are allowed to persist. A process - ** does not have to obtain a RESERVED lock on the way to a PENDING lock. - ** This property is used by the algorithm for rolling back a journal file - ** after a crash. + ** An EXCLUSIVE lock may only be requested after either a SHARED or + ** RESERVED lock is held. An EXCLUSIVE lock is implemented by obtaining + ** a write-lock on the entire 'shared byte range'. Since all other locks + ** require a read-lock on one of the bytes within this range, this ensures + ** that no other locks are held on the database. ** - ** An EXCLUSIVE lock, obtained after a PENDING lock is held, is - ** implemented by obtaining a write-lock on the entire 'shared byte - ** range'. Since all other locks require a read-lock on one of the bytes - ** within this range, this ensures that no other locks are held on the - ** database. + ** If a process that holds a RESERVED lock requests an EXCLUSIVE, then + ** a PENDING lock is obtained first. A PENDING lock is implemented by + ** obtaining a write-lock on the 'pending byte'. This ensures that no new + ** SHARED locks can be obtained, but existing SHARED locks are allowed to + ** persist. If the call to this function fails to obtain the EXCLUSIVE + ** lock in this case, it holds the PENDING lock intead. The client may + ** then re-attempt the EXCLUSIVE lock later on, after existing SHARED + ** locks have cleared. */ int rc = SQLITE_OK; unixFile *pFile = (unixFile*)id; @@ -38437,7 +38732,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ lock.l_len = 1L; lock.l_whence = SEEK_SET; if( eFileLock==SHARED_LOCK - || (eFileLock==EXCLUSIVE_LOCK && pFile->eFileLock<PENDING_LOCK) + || (eFileLock==EXCLUSIVE_LOCK && pFile->eFileLock==RESERVED_LOCK) ){ lock.l_type = (eFileLock==SHARED_LOCK?F_RDLCK:F_WRLCK); lock.l_start = PENDING_BYTE; @@ -38448,6 +38743,9 @@ static int unixLock(sqlite3_file *id, int eFileLock){ storeLastErrno(pFile, tErrno); } goto end_lock; + }else if( eFileLock==EXCLUSIVE_LOCK ){ + pFile->eFileLock = PENDING_LOCK; + pInode->eFileLock = PENDING_LOCK; } } @@ -38535,13 +38833,9 @@ static int unixLock(sqlite3_file *id, int eFileLock){ } #endif - if( rc==SQLITE_OK ){ pFile->eFileLock = eFileLock; pInode->eFileLock = eFileLock; - }else if( eFileLock==EXCLUSIVE_LOCK ){ - pFile->eFileLock = PENDING_LOCK; - pInode->eFileLock = PENDING_LOCK; } end_lock: @@ -43132,12 +43426,10 @@ static void appendOnePathElement( if( zName[0]=='.' ){ if( nName==1 ) return; if( zName[1]=='.' && nName==2 ){ - if( pPath->nUsed<=1 ){ - pPath->rc = SQLITE_ERROR; - return; + if( pPath->nUsed>1 ){ + assert( pPath->zOut[0]=='/' ); + while( pPath->zOut[--pPath->nUsed]!='/' ){} } - assert( pPath->zOut[0]=='/' ); - while( pPath->zOut[--pPath->nUsed]!='/' ){} return; } } @@ -43349,7 +43641,7 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){ ** than the argument. */ static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){ -#if OS_VXWORKS +#if OS_VXWORKS || _POSIX_C_SOURCE >= 199309L struct timespec sp; sp.tv_sec = microseconds / 1000000; @@ -51886,9 +52178,9 @@ end_deserialize: /* ** Return true if the VFS is the memvfs. */ -//SQLITE_PRIVATE int sqlite3IsMemdb(const sqlite3_vfs *pVfs){ -// return pVfs==&memdb_vfs; -//} +SQLITE_PRIVATE int sqlite3IsMemdb(const sqlite3_vfs *pVfs){ + return pVfs==&memdb_vfs; +} /* ** This routine is called when the extension is loaded. @@ -52369,7 +52661,7 @@ bitvec_end: struct PCache { PgHdr *pDirty, *pDirtyTail; /* List of dirty pages in LRU order */ PgHdr *pSynced; /* Last synced page in dirty page list */ - int nRefSum; /* Sum of ref counts over all pages */ + i64 nRefSum; /* Sum of ref counts over all pages */ int szCache; /* Configured cache size */ int szSpill; /* Size before spilling occurs */ int szPage; /* Size of every page in this cache */ @@ -52399,7 +52691,7 @@ struct PCache { unsigned char *a; int j; pPg = (PgHdr*)pLower->pExtra; - printf("%3d: nRef %2d flgs %02x data ", i, pPg->nRef, pPg->flags); + printf("%3lld: nRef %2d flgs %02x data ", i, pPg->nRef, pPg->flags); a = (unsigned char *)pLower->pBuf; for(j=0; j<12; j++) printf("%02x", a[j]); printf(" ptr %p\n", pPg); @@ -53143,14 +53435,14 @@ SQLITE_PRIVATE PgHdr *sqlite3PcacheDirtyList(PCache *pCache){ ** This is not the total number of pages referenced, but the sum of the ** reference count for all pages. */ -SQLITE_PRIVATE int sqlite3PcacheRefCount(PCache *pCache){ +SQLITE_PRIVATE i64 sqlite3PcacheRefCount(PCache *pCache){ return pCache->nRefSum; } /* ** Return the number of references to the page supplied as an argument. */ -SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr *p){ +SQLITE_PRIVATE i64 sqlite3PcachePageRefcount(PgHdr *p){ return p->nRef; } @@ -58135,7 +58427,7 @@ end_playback: ** see if it is possible to delete the super-journal. */ assert( zSuper==&pPager->pTmpSpace[4] ); - memset(&zSuper[-4], 0, 4); + memset(pPager->pTmpSpace, 0, 4); rc = pager_delsuper(pPager, zSuper); testcase( rc!=SQLITE_OK ); } @@ -58756,7 +59048,6 @@ SQLITE_PRIVATE void sqlite3PagerShrink(Pager *pPager){ ** Numeric values associated with these states are OFF==1, NORMAL=2, ** and FULL=3. */ -#ifndef SQLITE_OMIT_PAGER_PRAGMAS SQLITE_PRIVATE void sqlite3PagerSetFlags( Pager *pPager, /* The pager to set safety level for */ unsigned pgFlags /* Various flags */ @@ -58791,7 +59082,6 @@ SQLITE_PRIVATE void sqlite3PagerSetFlags( pPager->doNotSpill |= SPILLFLAG_OFF; } } -#endif /* ** The following global variable is incremented whenever the library @@ -59893,7 +60183,6 @@ SQLITE_PRIVATE int sqlite3PagerOpen( u32 szPageDflt = SQLITE_DEFAULT_PAGE_SIZE; /* Default page size */ const char *zUri = 0; /* URI args to copy */ int nUriByte = 1; /* Number of bytes of URI args at *zUri */ - int nUri = 0; /* Number of URI parameters */ /* Figure out how much space is required for each journal file-handle ** (there are two of them, the main journal and the sub-journal). */ @@ -59941,7 +60230,6 @@ SQLITE_PRIVATE int sqlite3PagerOpen( while( *z ){ z += strlen(z)+1; z += strlen(z)+1; - nUri++; } nUriByte = (int)(&z[1] - zUri); assert( nUriByte>=1 ); @@ -60197,18 +60485,7 @@ act_like_temp_file: pPager->memDb = (u8)memDb; pPager->readOnly = (u8)readOnly; assert( useJournal || pPager->tempFile ); - pPager->noSync = pPager->tempFile; - if( pPager->noSync ){ - assert( pPager->fullSync==0 ); - assert( pPager->extraSync==0 ); - assert( pPager->syncFlags==0 ); - assert( pPager->walSyncFlags==0 ); - }else{ - pPager->fullSync = 1; - pPager->extraSync = 0; - pPager->syncFlags = SQLITE_SYNC_NORMAL; - pPager->walSyncFlags = SQLITE_SYNC_NORMAL | (SQLITE_SYNC_NORMAL<<2); - } + sqlite3PagerSetFlags(pPager, (SQLITE_DEFAULT_SYNCHRONOUS+1)|PAGER_CACHESPILL); /* pPager->pFirst = 0; */ /* pPager->pFirstSynced = 0; */ /* pPager->pLast = 0; */ @@ -61469,7 +61746,7 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ # define DIRECT_MODE isDirectMode #endif - if( !pPager->changeCountDone && ALWAYS(pPager->dbSize>0) ){ + if( !pPager->changeCountDone && pPager->dbSize>0 ){ PgHdr *pPgHdr; /* Reference to page 1 */ assert( !pPager->tempFile && isOpen(pPager->fd) ); @@ -62209,7 +62486,11 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ */ SQLITE_PRIVATE const char *sqlite3PagerFilename(const Pager *pPager, int nullIfMemDb){ static const char zFake[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; - return (nullIfMemDb && pPager->memDb) ? &zFake[4] : pPager->zFilename; + if( nullIfMemDb && (pPager->memDb || sqlite3IsMemdb(pPager->pVfs)) ){ + return &zFake[4]; + }else{ + return pPager->zFilename; + } } /* @@ -67792,15 +68073,15 @@ struct BtCursor { ** So, this macro is defined instead. */ #ifndef SQLITE_OMIT_AUTOVACUUM -#define ISAUTOVACUUM (pBt->autoVacuum) +#define ISAUTOVACUUM(pBt) (pBt->autoVacuum) #else -#define ISAUTOVACUUM 0 +#define ISAUTOVACUUM(pBt) 0 #endif /* -** This structure is passed around through all the sanity checking routines -** in order to keep track of some global state information. +** This structure is passed around through all the PRAGMA integrity_check +** checking routines in order to keep track of some global state information. ** ** The aRef[] array is allocated so that there is 1 bit for each page in ** the database. As the integrity-check proceeds, for each page used in @@ -67816,7 +68097,8 @@ struct IntegrityCk { Pgno nPage; /* Number of pages in the database */ int mxErr; /* Stop accumulating errors when this reaches zero */ int nErr; /* Number of messages written to zErrMsg so far */ - int bOomFault; /* A memory allocation error has occurred */ + int rc; /* SQLITE_OK, SQLITE_NOMEM, or SQLITE_INTERRUPT */ + u32 nStep; /* Number of steps into the integrity_check process */ const char *zPfx; /* Error message prefix */ Pgno v1; /* Value for first %u substitution in zPfx */ int v2; /* Value for second %d substitution in zPfx */ @@ -70046,62 +70328,67 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ ** Only the following combinations are supported. Anything different ** indicates a corrupt database files: ** -** PTF_ZERODATA -** PTF_ZERODATA | PTF_LEAF -** PTF_LEAFDATA | PTF_INTKEY -** PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF +** PTF_ZERODATA (0x02, 2) +** PTF_LEAFDATA | PTF_INTKEY (0x05, 5) +** PTF_ZERODATA | PTF_LEAF (0x0a, 10) +** PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF (0x0d, 13) */ static int decodeFlags(MemPage *pPage, int flagByte){ BtShared *pBt; /* A copy of pPage->pBt */ assert( pPage->hdrOffset==(pPage->pgno==1 ? 100 : 0) ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); - pPage->leaf = (u8)(flagByte>>3); assert( PTF_LEAF == 1<<3 ); - flagByte &= ~PTF_LEAF; - pPage->childPtrSize = 4-4*pPage->leaf; pBt = pPage->pBt; - if( flagByte==(PTF_LEAFDATA | PTF_INTKEY) ){ - /* EVIDENCE-OF: R-07291-35328 A value of 5 (0x05) means the page is an - ** interior table b-tree page. */ - assert( (PTF_LEAFDATA|PTF_INTKEY)==5 ); - /* EVIDENCE-OF: R-26900-09176 A value of 13 (0x0d) means the page is a - ** leaf table b-tree page. */ - assert( (PTF_LEAFDATA|PTF_INTKEY|PTF_LEAF)==13 ); - pPage->intKey = 1; - if( pPage->leaf ){ + pPage->max1bytePayload = pBt->max1bytePayload; + if( flagByte>=(PTF_ZERODATA | PTF_LEAF) ){ + pPage->childPtrSize = 0; + pPage->leaf = 1; + if( flagByte==(PTF_LEAFDATA | PTF_INTKEY | PTF_LEAF) ){ pPage->intKeyLeaf = 1; pPage->xCellSize = cellSizePtrTableLeaf; pPage->xParseCell = btreeParseCellPtr; + pPage->intKey = 1; + pPage->maxLocal = pBt->maxLeaf; + pPage->minLocal = pBt->minLeaf; + }else if( flagByte==(PTF_ZERODATA | PTF_LEAF) ){ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + pPage->maxLocal = pBt->maxLocal; + pPage->minLocal = pBt->minLocal; }else{ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + return SQLITE_CORRUPT_PAGE(pPage); + } + }else{ + pPage->childPtrSize = 4; + pPage->leaf = 0; + if( flagByte==(PTF_ZERODATA) ){ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + pPage->maxLocal = pBt->maxLocal; + pPage->minLocal = pBt->minLocal; + }else if( flagByte==(PTF_LEAFDATA | PTF_INTKEY) ){ pPage->intKeyLeaf = 0; pPage->xCellSize = cellSizePtrNoPayload; pPage->xParseCell = btreeParseCellPtrNoPayload; + pPage->intKey = 1; + pPage->maxLocal = pBt->maxLeaf; + pPage->minLocal = pBt->minLeaf; + }else{ + pPage->intKey = 0; + pPage->intKeyLeaf = 0; + pPage->xCellSize = cellSizePtr; + pPage->xParseCell = btreeParseCellPtrIndex; + return SQLITE_CORRUPT_PAGE(pPage); } - pPage->maxLocal = pBt->maxLeaf; - pPage->minLocal = pBt->minLeaf; - }else if( flagByte==PTF_ZERODATA ){ - /* EVIDENCE-OF: R-43316-37308 A value of 2 (0x02) means the page is an - ** interior index b-tree page. */ - assert( (PTF_ZERODATA)==2 ); - /* EVIDENCE-OF: R-59615-42828 A value of 10 (0x0a) means the page is a - ** leaf index b-tree page. */ - assert( (PTF_ZERODATA|PTF_LEAF)==10 ); - pPage->intKey = 0; - pPage->intKeyLeaf = 0; - pPage->xCellSize = cellSizePtr; - pPage->xParseCell = btreeParseCellPtrIndex; - pPage->maxLocal = pBt->maxLocal; - pPage->minLocal = pBt->minLocal; - }else{ - /* EVIDENCE-OF: R-47608-56469 Any other value for the b-tree page type is - ** an error. */ - pPage->intKey = 0; - pPage->intKeyLeaf = 0; - pPage->xCellSize = cellSizePtr; - pPage->xParseCell = btreeParseCellPtrIndex; - return SQLITE_CORRUPT_PAGE(pPage); } - pPage->max1bytePayload = pBt->max1bytePayload; return SQLITE_OK; } @@ -73641,9 +73928,25 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ ** on success. Set *pRes to 0 if the cursor actually points to something ** or set *pRes to 1 if the table is empty. */ +static SQLITE_NOINLINE int btreeLast(BtCursor *pCur, int *pRes){ + int rc = moveToRoot(pCur); + if( rc==SQLITE_OK ){ + assert( pCur->eState==CURSOR_VALID ); + *pRes = 0; + rc = moveToRightmost(pCur); + if( rc==SQLITE_OK ){ + pCur->curFlags |= BTCF_AtLast; + }else{ + pCur->curFlags &= ~BTCF_AtLast; + } + }else if( rc==SQLITE_EMPTY ){ + assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); + *pRes = 1; + rc = SQLITE_OK; + } + return rc; +} SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ - int rc; - assert( cursorOwnsBtShared(pCur) ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); @@ -73664,23 +73967,7 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ *pRes = 0; return SQLITE_OK; } - - rc = moveToRoot(pCur); - if( rc==SQLITE_OK ){ - assert( pCur->eState==CURSOR_VALID ); - *pRes = 0; - rc = moveToRightmost(pCur); - if( rc==SQLITE_OK ){ - pCur->curFlags |= BTCF_AtLast; - }else{ - pCur->curFlags &= ~BTCF_AtLast; - } - }else if( rc==SQLITE_EMPTY ){ - assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 ); - *pRes = 1; - rc = SQLITE_OK; - } - return rc; + return btreeLast(pCur, pRes); } /* Move the cursor so that it points to an entry in a table (a.k.a INTKEY) @@ -74225,7 +74512,7 @@ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ pPage = pCur->pPage; idx = ++pCur->ix; - if( NEVER(!pPage->isInit) || sqlite3FaultSim(412) ){ + if( !pPage->isInit || sqlite3FaultSim(412) ){ return SQLITE_CORRUPT_BKPT; } @@ -74747,7 +75034,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ /* If the database supports auto-vacuum, write an entry in the pointer-map ** to indicate that the page is free. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, iPage, PTRMAP_FREEPAGE, 0, &rc); if( rc ) goto freepage_out; } @@ -75187,24 +75474,20 @@ static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ ** in pTemp or the original pCell) and also record its index. ** Allocating a new entry in pPage->aCell[] implies that ** pPage->nOverflow is incremented. -** -** *pRC must be SQLITE_OK when this routine is called. */ -static void insertCell( +static int insertCell( MemPage *pPage, /* Page into which we are copying */ int i, /* New cell becomes the i-th cell of the page */ u8 *pCell, /* Content of the new cell */ int sz, /* Bytes of content in pCell */ u8 *pTemp, /* Temp storage space for pCell, if needed */ - Pgno iChild, /* If non-zero, replace first 4 bytes with this value */ - int *pRC /* Read and write return code from here */ + Pgno iChild /* If non-zero, replace first 4 bytes with this value */ ){ int idx = 0; /* Where to write new cell content in data[] */ int j; /* Loop counter */ u8 *data; /* The content of the whole page */ u8 *pIns; /* The point in pPage->aCellIdx[] where no cell inserted */ - assert( *pRC==SQLITE_OK ); assert( i>=0 && i<=pPage->nCell+pPage->nOverflow ); assert( MX_CELL(pPage->pBt)<=10921 ); assert( pPage->nCell<=MX_CELL(pPage->pBt) || CORRUPT_DB ); @@ -75239,14 +75522,13 @@ static void insertCell( }else{ int rc = sqlite3PagerWrite(pPage->pDbPage); if( rc!=SQLITE_OK ){ - *pRC = rc; - return; + return rc; } assert( sqlite3PagerIswriteable(pPage->pDbPage) ); data = pPage->aData; assert( &data[pPage->cellOffset]==pPage->aCellIdx ); rc = allocateSpace(pPage, sz, &idx); - if( rc ){ *pRC = rc; return; } + if( rc ){ return rc; } /* The allocateSpace() routine guarantees the following properties ** if it returns successfully */ assert( idx >= 0 ); @@ -75273,13 +75555,16 @@ static void insertCell( assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell || CORRUPT_DB ); #ifndef SQLITE_OMIT_AUTOVACUUM if( pPage->pBt->autoVacuum ){ + int rc2 = SQLITE_OK; /* The cell may contain a pointer to an overflow page. If so, write ** the entry for the overflow page into the pointer map. */ - ptrmapPutOvflPtr(pPage, pPage, pCell, pRC); + ptrmapPutOvflPtr(pPage, pPage, pCell, &rc2); + if( rc2 ) return rc2; } #endif } + return SQLITE_OK; } /* @@ -75380,14 +75665,16 @@ struct CellArray { ** computed. */ static void populateCellCache(CellArray *p, int idx, int N){ + MemPage *pRef = p->pRef; + u16 *szCell = p->szCell; assert( idx>=0 && idx+N<=p->nCell ); while( N>0 ){ assert( p->apCell[idx]!=0 ); - if( p->szCell[idx]==0 ){ - p->szCell[idx] = p->pRef->xCellSize(p->pRef, p->apCell[idx]); + if( szCell[idx]==0 ){ + szCell[idx] = pRef->xCellSize(pRef, p->apCell[idx]); }else{ assert( CORRUPT_DB || - p->szCell[idx]==p->pRef->xCellSize(p->pRef, p->apCell[idx]) ); + szCell[idx]==pRef->xCellSize(pRef, p->apCell[idx]) ); } idx++; N--; @@ -75589,8 +75876,8 @@ static int pageFreeArray( int nRet = 0; int i; int iEnd = iFirst + nCell; - u8 *pFree = 0; - int szFree = 0; + u8 *pFree = 0; /* \__ Parameters for pending call to */ + int szFree = 0; /* / freeSpace() */ for(i=iFirst; i<iEnd; i++){ u8 *pCell = pCArray->apCell[i]; @@ -75611,6 +75898,9 @@ static int pageFreeArray( return 0; } }else{ + /* The current cell is adjacent to and before the pFree cell. + ** Combine the two regions into one to reduce the number of calls + ** to freeSpace(). */ pFree = pCell; szFree += sz; } @@ -75818,7 +76108,7 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ ** be marked as dirty. Returning an error code will cause a ** rollback, undoing any changes made to the parent page. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, pgnoNew, PTRMAP_BTREE, pParent->pgno, &rc); if( szCell>pNew->minLocal ){ ptrmapPutOvflPtr(pNew, pNew, pCell, &rc); @@ -75846,8 +76136,8 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ /* Insert the new divider cell into pParent. */ if( rc==SQLITE_OK ){ - insertCell(pParent, pParent->nCell, pSpace, (int)(pOut-pSpace), - 0, pPage->pgno, &rc); + rc = insertCell(pParent, pParent->nCell, pSpace, (int)(pOut-pSpace), + 0, pPage->pgno); } /* Set the right-child pointer of pParent to point to the new page. */ @@ -75956,7 +76246,7 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ /* If this is an auto-vacuum database, update the pointer-map entries ** for any b-tree or overflow pages that pTo now contains the pointers to. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ *pRC = setChildPtrmaps(pTo); } } @@ -76380,15 +76670,17 @@ static int balance_nonroot( d = r + 1 - leafData; (void)cachedCellSize(&b, d); do{ + int szR, szD; assert( d<nMaxCells ); assert( r<nMaxCells ); - (void)cachedCellSize(&b, r); + szR = cachedCellSize(&b, r); + szD = b.szCell[d]; if( szRight!=0 - && (bBulk || szRight+b.szCell[d]+2 > szLeft-(b.szCell[r]+(i==k-1?0:2)))){ + && (bBulk || szRight+szD+2 > szLeft-(szR+(i==k-1?0:2)))){ break; } - szRight += b.szCell[d] + 2; - szLeft -= b.szCell[r] + 2; + szRight += szD + 2; + szLeft -= szR + 2; cntNew[i-1] = r; r--; d--; @@ -76442,7 +76734,7 @@ static int balance_nonroot( cntOld[i] = b.nCell; /* Set the pointer-map entry for the new sibling page. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, pNew->pgno, PTRMAP_BTREE, pParent->pgno, &rc); if( rc!=SQLITE_OK ){ goto balance_cleanup; @@ -76535,7 +76827,7 @@ static int balance_nonroot( ** updated. This happens below, after the sibling pages have been ** populated, not here. */ - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ MemPage *pOld; MemPage *pNew = pOld = apNew[0]; int cntOldNext = pNew->nCell + pNew->nOverflow; @@ -76632,7 +76924,7 @@ static int balance_nonroot( rc = SQLITE_CORRUPT_BKPT; goto balance_cleanup; } - insertCell(pParent, nxDiv+i, pCell, sz, pTemp, pNew->pgno, &rc); + rc = insertCell(pParent, nxDiv+i, pCell, sz, pTemp, pNew->pgno); if( rc!=SQLITE_OK ) goto balance_cleanup; assert( sqlite3PagerIswriteable(pParent->pDbPage) ); } @@ -76728,7 +77020,7 @@ static int balance_nonroot( ); copyNodeContent(apNew[0], pParent, &rc); freePage(apNew[0], &rc); - }else if( ISAUTOVACUUM && !leafCorrection ){ + }else if( ISAUTOVACUUM(pBt) && !leafCorrection ){ /* Fix the pointer map entries associated with the right-child of each ** sibling page. All other pointer map entries have already been taken ** care of. */ @@ -76749,7 +77041,7 @@ static int balance_nonroot( } #if 0 - if( ISAUTOVACUUM && rc==SQLITE_OK && apNew[0]->isInit ){ + if( ISAUTOVACUUM(pBt) && rc==SQLITE_OK && apNew[0]->isInit ){ /* The ptrmapCheckPages() contains assert() statements that verify that ** all pointer map pages are set correctly. This is helpful while ** debugging. This is usually disabled because a corrupt database may @@ -76811,7 +77103,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ if( rc==SQLITE_OK ){ rc = allocateBtreePage(pBt,&pChild,&pgnoChild,pRoot->pgno,0); copyNodeContent(pRoot, pChild, &rc); - if( ISAUTOVACUUM ){ + if( ISAUTOVACUUM(pBt) ){ ptrmapPut(pBt, pgnoChild, PTRMAP_BTREE, pRoot->pgno, &rc); } } @@ -77050,9 +77342,13 @@ static int btreeOverwriteContent( /* ** Overwrite the cell that cursor pCur is pointing to with fresh content -** contained in pX. +** contained in pX. In this variant, pCur is pointing to an overflow +** cell. */ -static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ +static SQLITE_NOINLINE int btreeOverwriteOverflowCell( + BtCursor *pCur, /* Cursor pointing to cell to ovewrite */ + const BtreePayload *pX /* Content to write into the cell */ +){ int iOffset; /* Next byte of pX->pData to write */ int nTotal = pX->nData + pX->nZero; /* Total bytes of to write */ int rc; /* Return code */ @@ -77061,16 +77357,12 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ Pgno ovflPgno; /* Next overflow page to write */ u32 ovflPageSize; /* Size to write on overflow page */ - if( pCur->info.pPayload + pCur->info.nLocal > pPage->aDataEnd - || pCur->info.pPayload < pPage->aData + pPage->cellOffset - ){ - return SQLITE_CORRUPT_BKPT; - } + assert( pCur->info.nLocal<nTotal ); /* pCur is an overflow cell */ + /* Overwrite the local portion first */ rc = btreeOverwriteContent(pPage, pCur->info.pPayload, pX, 0, pCur->info.nLocal); if( rc ) return rc; - if( pCur->info.nLocal==nTotal ) return SQLITE_OK; /* Now overwrite the overflow pages */ iOffset = pCur->info.nLocal; @@ -77100,6 +77392,29 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ return SQLITE_OK; } +/* +** Overwrite the cell that cursor pCur is pointing to with fresh content +** contained in pX. +*/ +static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ + int nTotal = pX->nData + pX->nZero; /* Total bytes of to write */ + MemPage *pPage = pCur->pPage; /* Page being written */ + + if( pCur->info.pPayload + pCur->info.nLocal > pPage->aDataEnd + || pCur->info.pPayload < pPage->aData + pPage->cellOffset + ){ + return SQLITE_CORRUPT_BKPT; + } + if( pCur->info.nLocal==nTotal ){ + /* The entire cell is local */ + return btreeOverwriteContent(pPage, pCur->info.pPayload, pX, + 0, pCur->info.nLocal); + }else{ + /* The cell contains overflow content */ + return btreeOverwriteOverflowCell(pCur, pX); + } +} + /* ** Insert a new record into the BTree. The content of the new record @@ -77143,7 +77458,6 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( int idx; MemPage *pPage; Btree *p = pCur->pBtree; - BtShared *pBt = p->pBt; unsigned char *oldCell; unsigned char *newCell = 0; @@ -77162,7 +77476,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** not to clear the cursor here. */ if( pCur->curFlags & BTCF_Multiple ){ - rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur); + rc = saveAllCursors(p->pBt, pCur->pgnoRoot, pCur); if( rc ) return rc; if( loc && pCur->iPage<0 ){ /* This can only happen if the schema is corrupt such that there is more @@ -77186,8 +77500,8 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( assert( cursorOwnsBtShared(pCur) ); assert( (pCur->curFlags & BTCF_WriteFlag)!=0 - && pBt->inTransaction==TRANS_WRITE - && (pBt->btsFlags & BTS_READ_ONLY)==0 ); + && p->pBt->inTransaction==TRANS_WRITE + && (p->pBt->btsFlags & BTS_READ_ONLY)==0 ); assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) ); /* Assert that the caller has been consistent. If this cursor was opened @@ -77304,27 +77618,30 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( pCur->pgnoRoot, pX->nKey, pX->nData, pPage->pgno, loc==0 ? "overwrite" : "new entry")); assert( pPage->isInit || CORRUPT_DB ); - newCell = pBt->pTmpSpace; + newCell = p->pBt->pTmpSpace; assert( newCell!=0 ); + assert( BTREE_PREFORMAT==OPFLAG_PREFORMAT ); if( flags & BTREE_PREFORMAT ){ rc = SQLITE_OK; - szNew = pBt->nPreformatSize; + szNew = p->pBt->nPreformatSize; if( szNew<4 ) szNew = 4; - if( ISAUTOVACUUM && szNew>pPage->maxLocal ){ + if( ISAUTOVACUUM(p->pBt) && szNew>pPage->maxLocal ){ CellInfo info; pPage->xParseCell(pPage, newCell, &info); if( info.nPayload!=info.nLocal ){ Pgno ovfl = get4byte(&newCell[szNew-4]); - ptrmapPut(pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno, &rc); + ptrmapPut(p->pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno, &rc); + if( NEVER(rc) ) goto end_insert; } } }else{ rc = fillInCell(pPage, newCell, pX, &szNew); + if( rc ) goto end_insert; } - if( rc ) goto end_insert; assert( szNew==pPage->xCellSize(pPage, newCell) ); - assert( szNew <= MX_CELL_SIZE(pBt) ); + assert( szNew <= MX_CELL_SIZE(p->pBt) ); idx = pCur->ix; + pCur->info.nSize = 0; if( loc==0 ){ CellInfo info; assert( idx>=0 ); @@ -77343,7 +77660,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( testcase( pCur->curFlags & BTCF_ValidOvfl ); invalidateOverflowCache(pCur); if( info.nSize==szNew && info.nLocal==info.nPayload - && (!ISAUTOVACUUM || szNew<pPage->minLocal) + && (!ISAUTOVACUUM(p->pBt) || szNew<pPage->minLocal) ){ /* Overwrite the old cell with the new if they are the same size. ** We could also try to do this if the old cell is smaller, then add @@ -77373,7 +77690,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( }else{ assert( pPage->leaf ); } - insertCell(pPage, idx, newCell, szNew, 0, 0, &rc); + rc = insertCell(pPage, idx, newCell, szNew, 0, 0); assert( pPage->nOverflow==0 || rc==SQLITE_OK ); assert( rc!=SQLITE_OK || pPage->nCell>0 || pPage->nOverflow>0 ); @@ -77397,7 +77714,6 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** larger than the largest existing key, it is possible to insert the ** row without seeking the cursor. This can be a big performance boost. */ - pCur->info.nSize = 0; if( pPage->nOverflow ){ assert( rc==SQLITE_OK ); pCur->curFlags &= ~(BTCF_ValidNKey); @@ -77446,7 +77762,6 @@ end_insert: ** SQLITE_OK is returned if successful, or an SQLite error code otherwise. */ SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 iKey){ - int rc = SQLITE_OK; BtShared *pBt = pDest->pBt; u8 *aOut = pBt->pTmpSpace; /* Pointer to next output buffer */ const u8 *aIn; /* Pointer to next input buffer */ @@ -77469,7 +77784,9 @@ SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 if( nIn==nRem && nIn<pDest->pPage->maxLocal ){ memcpy(aOut, aIn, nIn); pBt->nPreformatSize = nIn + (aOut - pBt->pTmpSpace); + return SQLITE_OK; }else{ + int rc = SQLITE_OK; Pager *pSrcPager = pSrc->pBt->pPager; u8 *pPgnoOut = 0; Pgno ovflIn = 0; @@ -77521,7 +77838,7 @@ SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 MemPage *pNew = 0; rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0); put4byte(pPgnoOut, pgnoNew); - if( ISAUTOVACUUM && pPageOut ){ + if( ISAUTOVACUUM(pBt) && pPageOut ){ ptrmapPut(pBt, pgnoNew, PTRMAP_OVERFLOW2, pPageOut->pgno, &rc); } releasePage(pPageOut); @@ -77537,9 +77854,8 @@ SQLITE_PRIVATE int sqlite3BtreeTransferRow(BtCursor *pDest, BtCursor *pSrc, i64 releasePage(pPageOut); sqlite3PagerUnref(pPageIn); + return rc; } - - return rc; } /* @@ -77694,7 +78010,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ assert( pTmp!=0 ); rc = sqlite3PagerWrite(pLeaf->pDbPage); if( rc==SQLITE_OK ){ - insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n, &rc); + rc = insertCell(pPage, iCellIdx, pCell-4, nCell+4, pTmp, n); } dropCell(pLeaf, pLeaf->nCell-1, nCell, &rc); if( rc ) return rc; @@ -78294,6 +78610,41 @@ SQLITE_PRIVATE Pager *sqlite3BtreePager(Btree *p){ #ifndef SQLITE_OMIT_INTEGRITY_CHECK /* +** Record an OOM error during integrity_check +*/ +static void checkOom(IntegrityCk *pCheck){ + pCheck->rc = SQLITE_NOMEM; + pCheck->mxErr = 0; /* Causes integrity_check processing to stop */ + if( pCheck->nErr==0 ) pCheck->nErr++; +} + +/* +** Invoke the progress handler, if appropriate. Also check for an +** interrupt. +*/ +static void checkProgress(IntegrityCk *pCheck){ + sqlite3 *db = pCheck->db; + if( AtomicLoad(&db->u1.isInterrupted) ){ + pCheck->rc = SQLITE_INTERRUPT; + pCheck->nErr++; + pCheck->mxErr = 0; + } +#ifndef SQLITE_OMIT_PROGRESS_CALLBACK + if( db->xProgress ){ + assert( db->nProgressOps>0 ); + pCheck->nStep++; + if( (pCheck->nStep % db->nProgressOps)==0 + && db->xProgress(db->pProgressArg) + ){ + pCheck->rc = SQLITE_INTERRUPT; + pCheck->nErr++; + pCheck->mxErr = 0; + } + } +#endif +} + +/* ** Append a message to the error message string. */ static void checkAppendMsg( @@ -78302,6 +78653,7 @@ static void checkAppendMsg( ... ){ va_list ap; + checkProgress(pCheck); if( !pCheck->mxErr ) return; pCheck->mxErr--; pCheck->nErr++; @@ -78315,7 +78667,7 @@ static void checkAppendMsg( sqlite3_str_vappendf(&pCheck->errMsg, zFormat, ap); va_end(ap); if( pCheck->errMsg.accError==SQLITE_NOMEM ){ - pCheck->bOomFault = 1; + checkOom(pCheck); } } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -78357,7 +78709,6 @@ static int checkRef(IntegrityCk *pCheck, Pgno iPage){ checkAppendMsg(pCheck, "2nd reference to page %d", iPage); return 1; } - if( AtomicLoad(&pCheck->db->u1.isInterrupted) ) return 1; setPageReferenced(pCheck, iPage); return 0; } @@ -78380,7 +78731,7 @@ static void checkPtrmap( rc = ptrmapGet(pCheck->pBt, iChild, &ePtrmapType, &iPtrmapParent); if( rc!=SQLITE_OK ){ - if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) pCheck->bOomFault = 1; + if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) checkOom(pCheck); checkAppendMsg(pCheck, "Failed to read ptrmap key=%d", iChild); return; } @@ -78487,7 +78838,9 @@ static void checkList( ** lower 16 bits are the index of the last byte of that range. */ static void btreeHeapInsert(u32 *aHeap, u32 x){ - u32 j, i = ++aHeap[0]; + u32 j, i; + assert( aHeap!=0 ); + i = ++aHeap[0]; aHeap[i] = x; while( (j = i/2)>0 && aHeap[j]>aHeap[i] ){ x = aHeap[j]; @@ -78564,6 +78917,8 @@ static int checkTreePage( /* Check that the page exists */ + checkProgress(pCheck); + if( pCheck->mxErr==0 ) goto end_of_check; pBt = pCheck->pBt; usableSize = pBt->usableSize; if( iPage==0 ) return 0; @@ -78809,13 +79164,14 @@ end_of_check: ** the unverified btrees. Except, if aRoot[1] is 1, then the freelist ** checks are still performed. */ -SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( +SQLITE_PRIVATE int sqlite3BtreeIntegrityCheck( sqlite3 *db, /* Database connection that is running the check */ Btree *p, /* The btree to be checked */ Pgno *aRoot, /* An array of root pages numbers for individual trees */ int nRoot, /* Number of entries in aRoot[] */ int mxErr, /* Stop reporting errors after this many */ - int *pnErr /* Write number of errors seen to this variable */ + int *pnErr, /* OUT: Write number of errors seen to this variable */ + char **pzOut /* OUT: Write the error message string here */ ){ Pgno i; IntegrityCk sCheck; @@ -78838,18 +79194,12 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( assert( p->inTrans>TRANS_NONE && pBt->inTransaction>TRANS_NONE ); VVA_ONLY( nRef = sqlite3PagerRefcount(pBt->pPager) ); assert( nRef>=0 ); + memset(&sCheck, 0, sizeof(sCheck)); sCheck.db = db; sCheck.pBt = pBt; sCheck.pPager = pBt->pPager; sCheck.nPage = btreePagecount(sCheck.pBt); sCheck.mxErr = mxErr; - sCheck.nErr = 0; - sCheck.bOomFault = 0; - sCheck.zPfx = 0; - sCheck.v1 = 0; - sCheck.v2 = 0; - sCheck.aPgRef = 0; - sCheck.heap = 0; sqlite3StrAccumInit(&sCheck.errMsg, 0, zErr, sizeof(zErr), SQLITE_MAX_LENGTH); sCheck.errMsg.printfFlags = SQLITE_PRINTF_INTERNAL; if( sCheck.nPage==0 ){ @@ -78858,12 +79208,12 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( sCheck.aPgRef = sqlite3MallocZero((sCheck.nPage / 8)+ 1); if( !sCheck.aPgRef ){ - sCheck.bOomFault = 1; + checkOom(&sCheck); goto integrity_ck_cleanup; } sCheck.heap = (u32*)sqlite3PageMalloc( pBt->pageSize ); if( sCheck.heap==0 ){ - sCheck.bOomFault = 1; + checkOom(&sCheck); goto integrity_ck_cleanup; } @@ -78944,16 +79294,17 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( integrity_ck_cleanup: sqlite3PageFree(sCheck.heap); sqlite3_free(sCheck.aPgRef); - if( sCheck.bOomFault ){ + *pnErr = sCheck.nErr; + if( sCheck.nErr==0 ){ sqlite3_str_reset(&sCheck.errMsg); - sCheck.nErr++; + *pzOut = 0; + }else{ + *pzOut = sqlite3StrAccumFinish(&sCheck.errMsg); } - *pnErr = sCheck.nErr; - if( sCheck.nErr==0 ) sqlite3_str_reset(&sCheck.errMsg); /* Make sure this analysis did not leave any unref() pages. */ assert( nRef==sqlite3PagerRefcount(pBt->pPager) ); sqlite3BtreeLeave(p); - return sqlite3StrAccumFinish(&sCheck.errMsg); + return sCheck.rc; } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -80139,9 +80490,9 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ i64 x; assert( (p->flags&MEM_Int)*2==sizeof(x) ); memcpy(&x, (char*)&p->u, (p->flags&MEM_Int)*2); - sqlite3Int64ToText(x, zBuf); + p->n = sqlite3Int64ToText(x, zBuf); #else - sqlite3Int64ToText(p->u.i, zBuf); + p->n = sqlite3Int64ToText(p->u.i, zBuf); #endif }else{ sqlite3StrAccumInit(&acc, 0, zBuf, sz, 0); @@ -80149,6 +80500,7 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ (p->flags & MEM_IntReal)!=0 ? (double)p->u.i : p->u.r); assert( acc.zText==zBuf && acc.mxAlloc<=0 ); zBuf[acc.nChar] = 0; /* Fast version of sqlite3StrAccumFinish(&acc) */ + p->n = acc.nChar; } } @@ -80176,6 +80528,7 @@ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ ** This routine is for use inside of assert() statements only. */ SQLITE_PRIVATE int sqlite3VdbeMemValidStrRep(Mem *p){ + Mem tmp; char zBuf[100]; char *z; int i, j, incr; @@ -80192,7 +80545,8 @@ SQLITE_PRIVATE int sqlite3VdbeMemValidStrRep(Mem *p){ assert( p->enc==SQLITE_UTF8 || p->z[((p->n+1)&~1)+1]==0 ); } if( (p->flags & (MEM_Int|MEM_Real|MEM_IntReal))==0 ) return 1; - vdbeMemRenderNum(sizeof(zBuf), zBuf, p); + memcpy(&tmp, p, sizeof(tmp)); + vdbeMemRenderNum(sizeof(zBuf), zBuf, &tmp); z = p->z; i = j = 0; incr = 1; @@ -80461,7 +80815,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemStringify(Mem *pMem, u8 enc, u8 bForce){ vdbeMemRenderNum(nByte, pMem->z, pMem); assert( pMem->z!=0 ); - pMem->n = sqlite3Strlen30NN(pMem->z); + assert( pMem->n==sqlite3Strlen30NN(pMem->z) ); pMem->enc = SQLITE_UTF8; pMem->flags |= MEM_Str|MEM_Term; if( bForce ) pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal); @@ -80701,32 +81055,35 @@ SQLITE_PRIVATE int sqlite3VdbeBooleanValue(Mem *pMem, int ifNull){ } /* -** The MEM structure is already a MEM_Real. Try to also make it a -** MEM_Int if we can. +** The MEM structure is already a MEM_Real or MEM_IntReal. Try to +** make it a MEM_Int if we can. */ SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem *pMem){ - i64 ix; assert( pMem!=0 ); - assert( pMem->flags & MEM_Real ); + assert( pMem->flags & (MEM_Real|MEM_IntReal) ); assert( !sqlite3VdbeMemIsRowSet(pMem) ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); assert( EIGHT_BYTE_ALIGNMENT(pMem) ); - ix = doubleToInt64(pMem->u.r); - - /* Only mark the value as an integer if - ** - ** (1) the round-trip conversion real->int->real is a no-op, and - ** (2) The integer is neither the largest nor the smallest - ** possible integer (ticket #3922) - ** - ** The second and third terms in the following conditional enforces - ** the second condition under the assumption that addition overflow causes - ** values to wrap around. - */ - if( pMem->u.r==ix && ix>SMALLEST_INT64 && ix<LARGEST_INT64 ){ - pMem->u.i = ix; + if( pMem->flags & MEM_IntReal ){ MemSetTypeFlag(pMem, MEM_Int); + }else{ + i64 ix = doubleToInt64(pMem->u.r); + + /* Only mark the value as an integer if + ** + ** (1) the round-trip conversion real->int->real is a no-op, and + ** (2) The integer is neither the largest nor the smallest + ** possible integer (ticket #3922) + ** + ** The second and third terms in the following conditional enforces + ** the second condition under the assumption that addition overflow causes + ** values to wrap around. + */ + if( pMem->u.r==ix && ix>SMALLEST_INT64 && ix<LARGEST_INT64 ){ + pMem->u.i = ix; + MemSetTypeFlag(pMem, MEM_Int); + } } } @@ -81527,8 +81884,6 @@ static int valueFromFunction( goto value_from_function_out; } - testcase( pCtx->pParse->rc==SQLITE_ERROR ); - testcase( pCtx->pParse->rc==SQLITE_OK ); memset(&ctx, 0, sizeof(ctx)); ctx.pOut = pVal; ctx.pFunc = pFunc; @@ -81540,17 +81895,22 @@ static int valueFromFunction( }else{ sqlite3ValueApplyAffinity(pVal, aff, SQLITE_UTF8); assert( rc==SQLITE_OK ); + assert( enc==pVal->enc + || (pVal->flags & MEM_Str)==0 + || db->mallocFailed ); +#if 0 /* Not reachable except after a prior failure */ rc = sqlite3VdbeChangeEncoding(pVal, enc); if( rc==SQLITE_OK && sqlite3VdbeMemTooBig(pVal) ){ rc = SQLITE_TOOBIG; pCtx->pParse->nErr++; } +#endif } - pCtx->pParse->rc = rc; value_from_function_out: if( rc!=SQLITE_OK ){ pVal = 0; + pCtx->pParse->rc = rc; } if( apVal ){ for(i=0; i<nVal; i++){ @@ -82223,6 +82583,8 @@ static int growOpArray(Vdbe *v, int nOp){ */ static void test_addop_breakpoint(int pc, Op *pOp){ static int n = 0; + (void)pc; + (void)pOp; n++; } #endif @@ -82273,16 +82635,16 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS pOp->zComment = 0; #endif +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec = 0; + pOp->nCycle = 0; +#endif #ifdef SQLITE_DEBUG if( p->db->flags & SQLITE_VdbeAddopTrace ){ sqlite3VdbePrintOp(0, i, &p->aOp[i]); test_addop_breakpoint(i, &p->aOp[i]); } #endif -#ifdef VDBE_PROFILE - pOp->cycles = 0; - pOp->cnt = 0; -#endif #ifdef SQLITE_VDBE_COVERAGE pOp->iSrcLine = 0; #endif @@ -82450,8 +82812,9 @@ SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ ** If the bPush flag is true, then make this opcode the parent for ** subsequent Explains until sqlite3VdbeExplainPop() is called. */ -SQLITE_PRIVATE void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ -#ifndef SQLITE_DEBUG +SQLITE_PRIVATE int sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ + int addr = 0; +#if !defined(SQLITE_DEBUG) && !defined(SQLITE_ENABLE_STMT_SCANSTATUS) /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined. ** But omit them (for performance) during production builds */ if( pParse->explain==2 ) @@ -82466,13 +82829,15 @@ SQLITE_PRIVATE void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt va_end(ap); v = pParse->pVdbe; iThis = v->nOp; - sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0, + addr = sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0, zMsg, P4_DYNAMIC); sqlite3ExplainBreakpoint(bPush?"PUSH":"", sqlite3VdbeGetLastOp(v)->p4.z); if( bPush){ pParse->addrExplain = iThis; } + sqlite3VdbeScanStatus(v, iThis, 0, 0, 0, 0); } + return addr; } /* @@ -82580,6 +82945,9 @@ static SQLITE_NOINLINE void resizeResolveLabel(Parse *p, Vdbe *v, int j){ int i; for(i=p->nLabelAlloc; i<nNewSize; i++) p->aLabel[i] = -1; #endif + if( nNewSize>=100 && (nNewSize/100)>(p->nLabelAlloc/100) ){ + sqlite3ProgressCheck(p); + } p->nLabelAlloc = nNewSize; p->aLabel[j] = v->nOp; } @@ -83130,6 +83498,7 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatus( aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte); if( aNew ){ ScanStatus *pNew = &aNew[p->nScan++]; + memset(pNew, 0, sizeof(ScanStatus)); pNew->addrExplain = addrExplain; pNew->addrLoop = addrLoop; pNew->addrVisit = addrVisit; @@ -83138,6 +83507,62 @@ SQLITE_PRIVATE void sqlite3VdbeScanStatus( p->aScan = aNew; } } + +/* +** Add the range of instructions from addrStart to addrEnd (inclusive) to +** the set of those corresponding to the sqlite3_stmt_scanstatus() counters +** associated with the OP_Explain instruction at addrExplain. The +** sum of the sqlite3Hwtime() values for each of these instructions +** will be returned for SQLITE_SCANSTAT_NCYCLE requests. +*/ +SQLITE_PRIVATE void sqlite3VdbeScanStatusRange( + Vdbe *p, + int addrExplain, + int addrStart, + int addrEnd +){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + if( addrEnd<0 ) addrEnd = sqlite3VdbeCurrentAddr(p)-1; + for(ii=0; ii<ArraySize(pScan->aAddrRange); ii+=2){ + if( pScan->aAddrRange[ii]==0 ){ + pScan->aAddrRange[ii] = addrStart; + pScan->aAddrRange[ii+1] = addrEnd; + break; + } + } + } +} + +/* +** Set the addresses for the SQLITE_SCANSTAT_NLOOP and SQLITE_SCANSTAT_NROW +** counters for the query element associated with the OP_Explain at +** addrExplain. +*/ +SQLITE_PRIVATE void sqlite3VdbeScanStatusCounters( + Vdbe *p, + int addrExplain, + int addrLoop, + int addrVisit +){ + ScanStatus *pScan = 0; + int ii; + for(ii=p->nScan-1; ii>=0; ii--){ + pScan = &p->aScan[ii]; + if( pScan->addrExplain==addrExplain ) break; + pScan = 0; + } + if( pScan ){ + pScan->addrLoop = addrLoop; + pScan->addrVisit = addrVisit; + } +} #endif @@ -84267,7 +84692,6 @@ SQLITE_PRIVATE int sqlite3VdbeList( ** sqlite3_column_text16(), causing a translation to UTF-16 encoding. */ releaseMemArray(pMem, 8); - p->pResultSet = 0; if( p->rc==SQLITE_NOMEM ){ /* This happens if a malloc() inside a call to sqlite3_column_text() or @@ -84324,7 +84748,7 @@ SQLITE_PRIVATE int sqlite3VdbeList( sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); p->nResColumn = 8; } - p->pResultSet = pMem; + p->pResultRow = pMem; if( db->mallocFailed ){ p->rc = SQLITE_NOMEM; rc = SQLITE_ERROR; @@ -84435,7 +84859,7 @@ static void *allocSpace( ** running it. */ SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe *p){ -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) +#if defined(SQLITE_DEBUG) int i; #endif assert( p!=0 ); @@ -84464,8 +84888,8 @@ SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe *p){ p->nFkConstraint = 0; #ifdef VDBE_PROFILE for(i=0; i<p->nOp; i++){ - p->aOp[i].cnt = 0; - p->aOp[i].cycles = 0; + p->aOp[i].nExec = 0; + p->aOp[i].nCycle = 0; } #endif } @@ -84574,9 +84998,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->aVar = allocSpace(&x, 0, nVar*sizeof(Mem)); p->apArg = allocSpace(&x, 0, nArg*sizeof(Mem*)); p->apCsr = allocSpace(&x, 0, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = allocSpace(&x, 0, p->nOp*sizeof(i64)); -#endif if( x.nNeeded ){ x.pSpace = p->pFree = sqlite3DbMallocRawNN(db, x.nNeeded); x.nFree = x.nNeeded; @@ -84585,9 +85006,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->aVar = allocSpace(&x, p->aVar, nVar*sizeof(Mem)); p->apArg = allocSpace(&x, p->apArg, nArg*sizeof(Mem*)); p->apCsr = allocSpace(&x, p->apCsr, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64)); -#endif } } @@ -84602,9 +85020,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->nMem = nMem; initMemArray(p->aMem, nMem, db, MEM_Undefined); memset(p->apCsr, 0, nCursor*sizeof(VdbeCursor*)); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - memset(p->anExec, 0, p->nOp*sizeof(i64)); -#endif } sqlite3VdbeRewind(p); } @@ -84662,9 +85077,6 @@ static void closeCursorsInFrame(Vdbe *p){ SQLITE_PRIVATE int sqlite3VdbeFrameRestore(VdbeFrame *pFrame){ Vdbe *v = pFrame->v; closeCursorsInFrame(v); -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - v->anExec = pFrame->anExec; -#endif v->aOp = pFrame->aOp; v->nOp = pFrame->nOp; v->aMem = pFrame->aMem; @@ -85468,7 +85880,7 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ sqlite3DbFree(db, p->zErrMsg); p->zErrMsg = 0; } - p->pResultSet = 0; + p->pResultRow = 0; #ifdef SQLITE_DEBUG p->nWrite = 0; #endif @@ -85496,10 +85908,12 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ } for(i=0; i<p->nOp; i++){ char zHdr[100]; + i64 cnt = p->aOp[i].nExec; + i64 cycles = p->aOp[i].nCycle; sqlite3_snprintf(sizeof(zHdr), zHdr, "%6u %12llu %8llu ", - p->aOp[i].cnt, - p->aOp[i].cycles, - p->aOp[i].cnt>0 ? p->aOp[i].cycles/p->aOp[i].cnt : 0 + cnt, + cycles, + cnt>0 ? cycles/cnt : 0 ); fprintf(out, "%s", zHdr); sqlite3VdbePrintOp(out, i, &p->aOp[i]); @@ -87354,6 +87768,7 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( */ /* #include "sqliteInt.h" */ /* #include "vdbeInt.h" */ +/* #include "opcodes.h" */ #ifndef SQLITE_OMIT_DEPRECATED /* @@ -87844,7 +88259,10 @@ SQLITE_API void sqlite3_result_text64( ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); assert( xDel!=SQLITE_DYNAMIC ); - if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + if( enc!=SQLITE_UTF8 ){ + if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + n &= ~(u64)1; + } if( n>0x7fffffff ){ (void)invokeValueDestructor(z, xDel, pCtx); }else{ @@ -87859,7 +88277,7 @@ SQLITE_API void sqlite3_result_text16( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16NATIVE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16NATIVE, xDel); } SQLITE_API void sqlite3_result_text16be( sqlite3_context *pCtx, @@ -87868,7 +88286,7 @@ SQLITE_API void sqlite3_result_text16be( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16BE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16BE, xDel); } SQLITE_API void sqlite3_result_text16le( sqlite3_context *pCtx, @@ -87877,7 +88295,7 @@ SQLITE_API void sqlite3_result_text16le( void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); - setResultStrOrError(pCtx, z, n, SQLITE_UTF16LE, xDel); + setResultStrOrError(pCtx, z, n & ~(u64)1, SQLITE_UTF16LE, xDel); } #endif /* SQLITE_OMIT_UTF16 */ SQLITE_API void sqlite3_result_value(sqlite3_context *pCtx, sqlite3_value *pValue){ @@ -88088,7 +88506,7 @@ static int sqlite3Step(Vdbe *p){ /* If the statement completed successfully, invoke the profile callback */ checkProfileCallback(db, p); #endif - + p->pResultRow = 0; if( rc==SQLITE_DONE && db->autoCommit ){ assert( p->rc==SQLITE_OK ); p->rc = doWalCallbacks(db); @@ -88218,6 +88636,17 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context *p){ } /* +** The destructor function for a ValueList object. This needs to be +** a separate function, unknowable to the application, to ensure that +** calls to sqlite3_vtab_in_first()/sqlite3_vtab_in_next() that are not +** preceeded by activation of IN processing via sqlite3_vtab_int() do not +** try to access a fake ValueList object inserted by a hostile extension. +*/ +SQLITE_PRIVATE void sqlite3VdbeValueListFree(void *pToDelete){ + sqlite3_free(pToDelete); +} + +/* ** Implementation of sqlite3_vtab_in_first() (if bNext==0) and ** sqlite3_vtab_in_next() (if bNext!=0). */ @@ -88231,8 +88660,15 @@ static int valueFromValueList( *ppOut = 0; if( pVal==0 ) return SQLITE_MISUSE; - pRhs = (ValueList*)sqlite3_value_pointer(pVal, "ValueList"); - if( pRhs==0 ) return SQLITE_MISUSE; + if( (pVal->flags & MEM_Dyn)==0 || pVal->xDel!=sqlite3VdbeValueListFree ){ + return SQLITE_ERROR; + }else{ + assert( (pVal->flags&(MEM_TypeMask|MEM_Term|MEM_Subtype)) == + (MEM_Null|MEM_Term|MEM_Subtype) ); + assert( pVal->eSubtype=='p' ); + assert( pVal->u.zPType!=0 && strcmp(pVal->u.zPType,"ValueList")==0 ); + pRhs = (ValueList*)pVal->z; + } if( bNext ){ rc = sqlite3BtreeNext(pRhs->pCsr, 0); }else{ @@ -88452,7 +88888,7 @@ SQLITE_API int sqlite3_column_count(sqlite3_stmt *pStmt){ */ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt){ Vdbe *pVm = (Vdbe *)pStmt; - if( pVm==0 || pVm->pResultSet==0 ) return 0; + if( pVm==0 || pVm->pResultRow==0 ) return 0; return pVm->nResColumn; } @@ -88507,8 +88943,8 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ if( pVm==0 ) return (Mem*)columnNullValue(); assert( pVm->db ); sqlite3_mutex_enter(pVm->db->mutex); - if( pVm->pResultSet!=0 && i<pVm->nResColumn && i>=0 ){ - pOut = &pVm->pResultSet[i]; + if( pVm->pResultRow!=0 && i<pVm->nResColumn && i>=0 ){ + pOut = &pVm->pResultRow[i]; }else{ sqlite3Error(pVm->db, SQLITE_RANGE); pOut = (Mem*)columnNullValue(); @@ -88942,7 +89378,10 @@ SQLITE_API int sqlite3_bind_text64( unsigned char enc ){ assert( xDel!=SQLITE_DYNAMIC ); - if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + if( enc!=SQLITE_UTF8 ){ + if( enc==SQLITE_UTF16 ) enc = SQLITE_UTF16NATIVE; + nData &= ~(u16)1; + } return bindText(pStmt, i, zData, nData, xDel, enc); } #ifndef SQLITE_OMIT_UTF16 @@ -88950,10 +89389,10 @@ SQLITE_API int sqlite3_bind_text16( sqlite3_stmt *pStmt, int i, const void *zData, - int nData, + int n, void (*xDel)(void*) ){ - return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF16NATIVE); + return bindText(pStmt, i, zData, n & ~(u64)1, xDel, SQLITE_UTF16NATIVE); } #endif /* SQLITE_OMIT_UTF16 */ SQLITE_API int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_value *pValue){ @@ -89444,23 +89883,60 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *db, int iIdx, sqlite3_value **ppVa /* ** Return status data for a single loop within query pStmt. */ -SQLITE_API int sqlite3_stmt_scanstatus( +SQLITE_API int sqlite3_stmt_scanstatus_v2( sqlite3_stmt *pStmt, /* Prepared statement being queried */ - int idx, /* Index of loop to report on */ + int iScan, /* Index of loop to report on */ int iScanStatusOp, /* Which metric to return */ + int flags, void *pOut /* OUT: Write the answer here */ ){ Vdbe *p = (Vdbe*)pStmt; ScanStatus *pScan; - if( idx<0 || idx>=p->nScan ) return 1; - pScan = &p->aScan[idx]; + int idx; + + if( iScan<0 ){ + int ii; + if( iScanStatusOp==SQLITE_SCANSTAT_NCYCLE ){ + i64 res = 0; + for(ii=0; ii<p->nOp; ii++){ + res += p->aOp[ii].nCycle; + } + *(i64*)pOut = res; + return 0; + } + return 1; + } + if( flags & SQLITE_SCANSTAT_COMPLEX ){ + idx = iScan; + pScan = &p->aScan[idx]; + }else{ + /* If the COMPLEX flag is clear, then this function must ignore any + ** ScanStatus structures with ScanStatus.addrLoop set to 0. */ + for(idx=0; idx<p->nScan; idx++){ + pScan = &p->aScan[idx]; + if( pScan->zName ){ + iScan--; + if( iScan<0 ) break; + } + } + } + if( idx>=p->nScan ) return 1; + switch( iScanStatusOp ){ case SQLITE_SCANSTAT_NLOOP: { - *(sqlite3_int64*)pOut = p->anExec[pScan->addrLoop]; + if( pScan->addrLoop>0 ){ + *(sqlite3_int64*)pOut = p->aOp[pScan->addrLoop].nExec; + }else{ + *(sqlite3_int64*)pOut = -1; + } break; } case SQLITE_SCANSTAT_NVISIT: { - *(sqlite3_int64*)pOut = p->anExec[pScan->addrVisit]; + if( pScan->addrVisit>0 ){ + *(sqlite3_int64*)pOut = p->aOp[pScan->addrVisit].nExec; + }else{ + *(sqlite3_int64*)pOut = -1; + } break; } case SQLITE_SCANSTAT_EST: { @@ -89493,6 +89969,45 @@ SQLITE_API int sqlite3_stmt_scanstatus( } break; } + case SQLITE_SCANSTAT_PARENTID: { + if( pScan->addrExplain ){ + *(int*)pOut = p->aOp[ pScan->addrExplain ].p2; + }else{ + *(int*)pOut = -1; + } + break; + } + case SQLITE_SCANSTAT_NCYCLE: { + i64 res = 0; + if( pScan->aAddrRange[0]==0 ){ + res = -1; + }else{ + int ii; + for(ii=0; ii<ArraySize(pScan->aAddrRange); ii+=2){ + int iIns = pScan->aAddrRange[ii]; + int iEnd = pScan->aAddrRange[ii+1]; + if( iIns==0 ) break; + if( iIns>0 ){ + while( iIns<=iEnd ){ + res += p->aOp[iIns].nCycle; + iIns++; + } + }else{ + int iOp; + for(iOp=0; iOp<p->nOp; iOp++){ + Op *pOp = &p->aOp[iOp]; + if( pOp->p1!=iEnd ) continue; + if( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_NCYCLE)==0 ){ + continue; + } + res += p->aOp[iOp].nCycle; + } + } + } + } + *(i64*)pOut = res; + break; + } default: { return 1; } @@ -89501,11 +90016,28 @@ SQLITE_API int sqlite3_stmt_scanstatus( } /* +** Return status data for a single loop within query pStmt. +*/ +SQLITE_API int sqlite3_stmt_scanstatus( + sqlite3_stmt *pStmt, /* Prepared statement being queried */ + int iScan, /* Index of loop to report on */ + int iScanStatusOp, /* Which metric to return */ + void *pOut /* OUT: Write the answer here */ +){ + return sqlite3_stmt_scanstatus_v2(pStmt, iScan, iScanStatusOp, 0, pOut); +} + +/* ** Zero all counters associated with the sqlite3_stmt_scanstatus() data. */ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt *pStmt){ Vdbe *p = (Vdbe*)pStmt; - memset(p->anExec, 0, p->nOp * sizeof(i64)); + int ii; + for(ii=0; ii<p->nOp; ii++){ + Op *pOp = &p->aOp[ii]; + pOp->nExec = 0; + pOp->nCycle = 0; + } } #endif /* SQLITE_ENABLE_STMT_SCANSTATUS */ @@ -89841,6 +90373,9 @@ SQLITE_API int sqlite3_found_count = 0; */ static void test_trace_breakpoint(int pc, Op *pOp, Vdbe *v){ static int n = 0; + (void)pc; + (void)pOp; + (void)v; n++; } #endif @@ -90079,6 +90614,10 @@ static void applyNumericAffinity(Mem *pRec, int bTryForInt){ ** always preferred, even if the affinity is REAL, because ** an integer representation is more space efficient on disk. ** +** SQLITE_AFF_FLEXNUM: +** If the value is text, then try to convert it into a number of +** some kind (integer or real) but do not make any other changes. +** ** SQLITE_AFF_TEXT: ** Convert pRec to a text representation. ** @@ -90093,11 +90632,11 @@ static void applyAffinity( ){ if( affinity>=SQLITE_AFF_NUMERIC ){ assert( affinity==SQLITE_AFF_INTEGER || affinity==SQLITE_AFF_REAL - || affinity==SQLITE_AFF_NUMERIC ); + || affinity==SQLITE_AFF_NUMERIC || affinity==SQLITE_AFF_FLEXNUM ); if( (pRec->flags & MEM_Int)==0 ){ /*OPTIMIZATION-IF-FALSE*/ - if( (pRec->flags & MEM_Real)==0 ){ + if( (pRec->flags & (MEM_Real|MEM_IntReal))==0 ){ if( pRec->flags & MEM_Str ) applyNumericAffinity(pRec,1); - }else{ + }else if( affinity<=SQLITE_AFF_REAL ){ sqlite3VdbeIntegerAffinity(pRec); } } @@ -90325,17 +90864,6 @@ SQLITE_PRIVATE void sqlite3VdbeRegisterDump(Vdbe *v){ # define REGISTER_TRACE(R,M) #endif - -#ifdef VDBE_PROFILE - -/* -** hwtime.h contains inline assembler code for implementing -** high-performance timing routines. -*/ -/* #include "hwtime.h" */ - -#endif - #ifndef NDEBUG /* ** This function is only called from within an assert() expression. It @@ -90395,8 +90923,7 @@ static u64 filterHash(const Mem *aMem, const Op *pOp){ }else if( p->flags & MEM_Real ){ h += sqlite3VdbeIntValue(p); }else if( p->flags & (MEM_Str|MEM_Blob) ){ - h += p->n; - if( p->flags & MEM_Zero ) h += p->u.nZero; + /* no-op */ } } return h; @@ -90425,11 +90952,10 @@ SQLITE_PRIVATE int sqlite3VdbeExec( ){ Op *aOp = p->aOp; /* Copy of p->aOp */ Op *pOp = aOp; /* Current operation */ -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) - Op *pOrigOp; /* Value of pOp at the top of the loop */ -#endif #ifdef SQLITE_DEBUG + Op *pOrigOp; /* Value of pOp at the top of the loop */ int nExtraDelete = 0; /* Verifies FORDELETE and AUXDELETE flags */ + u8 iCompareIsInit = 0; /* iCompare is initialized */ #endif int rc = SQLITE_OK; /* Value to return */ sqlite3 *db = p->db; /* The database */ @@ -90445,13 +90971,15 @@ SQLITE_PRIVATE int sqlite3VdbeExec( Mem *pIn2 = 0; /* 2nd input operand */ Mem *pIn3 = 0; /* 3rd input operand */ Mem *pOut = 0; /* Output operand */ -#ifdef VDBE_PROFILE - u64 start; /* CPU clock count at start of opcode */ +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + u64 *pnCycle = 0; #endif /*** INSERT STACK UNION HERE ***/ assert( p->eVdbeState==VDBE_RUN_STATE ); /* sqlite3_step() verifies this */ - sqlite3VdbeEnter(p); + if( DbMaskNonZero(p->lockMask) ){ + sqlite3VdbeEnter(p); + } #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( db->xProgress ){ u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP]; @@ -90472,7 +91000,6 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( p->bIsReader || p->readOnly!=0 ); p->iCurrentTime = 0; assert( p->explain==0 ); - p->pResultSet = 0; db->busyHandler.nBusy = 0; if( AtomicLoad(&db->u1.isInterrupted) ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); @@ -90509,12 +91036,14 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( rc==SQLITE_OK ); assert( pOp>=aOp && pOp<&aOp[p->nOp]); -#ifdef VDBE_PROFILE - start = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); -#endif nVmStep++; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - if( p->anExec ) p->anExec[(int)(pOp-aOp)]++; +#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE) + pOp->nExec++; + pnCycle = &pOp->nCycle; +# ifdef VDBE_PROFILE + if( sqlite3NProfileCnt==0 ) +# endif + *pnCycle -= sqlite3Hwtime(); #endif /* Only allow tracing if SQLITE_DEBUG is defined. @@ -90576,7 +91105,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( } } #endif -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) +#ifdef SQLITE_DEBUG pOrigOp = pOp; #endif @@ -90860,6 +91389,12 @@ case OP_Halt: { #ifdef SQLITE_DEBUG if( pOp->p2==OE_Abort ){ sqlite3VdbeAssertAbortable(p); } #endif + + /* A deliberately coded "OP_Halt SQLITE_INTERNAL * * * *" opcode indicates + ** something is wrong with the code generator. Raise an assertion in order + ** to bring this to the attention of fuzzers and other testing tools. */ + assert( pOp->p1!=SQLITE_INTERNAL ); + if( p->pFrame && pOp->p1==SQLITE_OK ){ /* Halt the sub-program. Return control to the parent frame. */ pFrame = p->pFrame; @@ -91301,10 +91836,10 @@ case OP_ResultRow: { assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); p->cacheCtr = (p->cacheCtr + 2)|1; - p->pResultSet = &aMem[pOp->p1]; + p->pResultRow = &aMem[pOp->p1]; #ifdef SQLITE_DEBUG { - Mem *pMem = p->pResultSet; + Mem *pMem = p->pResultRow; int i; for(i=0; i<pOp->p2; i++){ assert( memIsValid(&pMem[i]) ); @@ -91834,7 +92369,6 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ flags1 = pIn1->flags; flags3 = pIn3->flags; if( (flags1 & flags3 & MEM_Int)!=0 ){ - assert( (pOp->p5 & SQLITE_AFF_MASK)!=SQLITE_AFF_TEXT || CORRUPT_DB ); /* Common case of comparison of two integers */ if( pIn3->u.i > pIn1->u.i ){ if( sqlite3aGTb[pOp->opcode] ){ @@ -91842,18 +92376,21 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ goto jump_to_p2; } iCompare = +1; + VVA_ONLY( iCompareIsInit = 1; ) }else if( pIn3->u.i < pIn1->u.i ){ if( sqlite3aLTb[pOp->opcode] ){ VdbeBranchTaken(1, (pOp->p5 & SQLITE_NULLEQ)?2:3); goto jump_to_p2; } iCompare = -1; + VVA_ONLY( iCompareIsInit = 1; ) }else{ if( sqlite3aEQb[pOp->opcode] ){ VdbeBranchTaken(1, (pOp->p5 & SQLITE_NULLEQ)?2:3); goto jump_to_p2; } iCompare = 0; + VVA_ONLY( iCompareIsInit = 1; ) } VdbeBranchTaken(0, (pOp->p5 & SQLITE_NULLEQ)?2:3); break; @@ -91885,6 +92422,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ goto jump_to_p2; } iCompare = 1; /* Operands are not equal */ + VVA_ONLY( iCompareIsInit = 1; ) break; } }else{ @@ -91895,14 +92433,14 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ if( (flags1 | flags3)&MEM_Str ){ if( (flags1 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn1,0); - testcase( flags3==pIn3->flags ); + assert( flags3==pIn3->flags || CORRUPT_DB ); flags3 = pIn3->flags; } if( (flags3 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn3,0); } } - }else if( affinity==SQLITE_AFF_TEXT ){ + }else if( affinity==SQLITE_AFF_TEXT && ((flags1 | flags3) & MEM_Str)!=0 ){ if( (flags1 & MEM_Str)==0 && (flags1&(MEM_Int|MEM_Real|MEM_IntReal))!=0 ){ testcase( pIn1->flags & MEM_Int ); testcase( pIn1->flags & MEM_Real ); @@ -91910,7 +92448,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ sqlite3VdbeMemStringify(pIn1, encoding, 1); testcase( (flags1&MEM_Dyn) != (pIn1->flags&MEM_Dyn) ); flags1 = (pIn1->flags & ~MEM_TypeMask) | (flags1 & MEM_TypeMask); - if( pIn1==pIn3 ) flags3 = flags1 | MEM_Str; + if( NEVER(pIn1==pIn3) ) flags3 = flags1 | MEM_Str; } if( (flags3 & MEM_Str)==0 && (flags3&(MEM_Int|MEM_Real|MEM_IntReal))!=0 ){ testcase( pIn3->flags & MEM_Int ); @@ -91941,6 +92479,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ res2 = sqlite3aGTb[pOp->opcode]; } iCompare = res; + VVA_ONLY( iCompareIsInit = 1; ) /* Undo any changes made by applyAffinity() to the input registers. */ assert( (pIn3->flags & MEM_Dyn) == (flags3 & MEM_Dyn) ); @@ -91979,6 +92518,7 @@ case OP_ElseEq: { /* same as TK_ESCAPE, jump */ break; } #endif /* SQLITE_DEBUG */ + assert( iCompareIsInit ); VdbeBranchTaken(iCompare==0, 2); if( iCompare==0 ) goto jump_to_p2; break; @@ -92073,6 +92613,7 @@ case OP_Compare: { pColl = pKeyInfo->aColl[i]; bRev = (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_DESC); iCompare = sqlite3MemCompare(&aMem[p1+idx], &aMem[p2+idx], pColl); + VVA_ONLY( iCompareIsInit = 1; ) if( iCompare ){ if( (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_BIGNULL) && ((aMem[p1+idx].flags & MEM_Null) || (aMem[p2+idx].flags & MEM_Null)) @@ -92097,6 +92638,7 @@ case OP_Compare: { */ case OP_Jump: { /* jump */ assert( pOp>aOp && pOp[-1].opcode==OP_Compare ); + assert( iCompareIsInit ); if( iCompare<0 ){ VdbeBranchTaken(0,4); pOp = &aOp[pOp->p1 - 1]; }else if( iCompare==0 ){ @@ -92496,7 +93038,7 @@ case OP_Offset: { /* out3 */ ** typeof() function or the IS NULL or IS NOT NULL operators or the ** equivalent. In this case, all content loading can be omitted. */ -case OP_Column: { +case OP_Column: { /* ncycle */ u32 p2; /* column number to retrieve */ VdbeCursor *pC; /* The VDBE cursor */ BtCursor *pCrsr; /* The B-Tree cursor corresponding to pC */ @@ -92845,7 +93387,7 @@ case OP_TypeCheck: { } case COLTYPE_REAL: { testcase( (pIn1->flags & (MEM_Real|MEM_IntReal))==MEM_Real ); - testcase( (pIn1->flags & (MEM_Real|MEM_IntReal))==MEM_IntReal ); + assert( (pIn1->flags & MEM_IntReal)==0 ); if( pIn1->flags & MEM_Int ){ /* When applying REAL affinity, if the result is still an MEM_Int ** that will fit in 6 bytes, then change the type to MEM_IntReal @@ -93848,7 +94390,7 @@ case OP_SetCookie: { ** ** See also: OP_OpenRead, OP_ReopenIdx */ -case OP_ReopenIdx: { +case OP_ReopenIdx: { /* ncycle */ int nField; KeyInfo *pKeyInfo; u32 p2; @@ -93869,7 +94411,7 @@ case OP_ReopenIdx: { } /* If the cursor is not currently open or is open on a different ** index, then fall through into OP_OpenRead to force a reopen */ -case OP_OpenRead: +case OP_OpenRead: /* ncycle */ case OP_OpenWrite: assert( pOp->opcode==OP_OpenWrite || pOp->p5==0 || pOp->p5==OPFLAG_SEEKEQ ); @@ -93963,7 +94505,7 @@ open_cursor_set_hints: ** ** Duplicate ephemeral cursors are used for self-joins of materialized views. */ -case OP_OpenDup: { +case OP_OpenDup: { /* ncycle */ VdbeCursor *pOrig; /* The original cursor to be duplicated */ VdbeCursor *pCx; /* The new cursor */ @@ -94025,8 +94567,8 @@ case OP_OpenDup: { ** by this opcode will be used for automatically created transient ** indices in joins. */ -case OP_OpenAutoindex: -case OP_OpenEphemeral: { +case OP_OpenAutoindex: /* ncycle */ +case OP_OpenEphemeral: { /* ncycle */ VdbeCursor *pCx; KeyInfo *pKeyInfo; @@ -94184,7 +94726,7 @@ case OP_OpenPseudo: { ** Close a cursor previously opened as P1. If P1 is not ** currently open, this instruction is a no-op. */ -case OP_Close: { +case OP_Close: { /* ncycle */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); sqlite3VdbeFreeCursor(p, p->apCsr[pOp->p1]); p->apCsr[pOp->p1] = 0; @@ -94301,10 +94843,10 @@ case OP_ColumnsUsed: { ** ** See also: Found, NotFound, SeekGt, SeekGe, SeekLt */ -case OP_SeekLT: /* jump, in3, group */ -case OP_SeekLE: /* jump, in3, group */ -case OP_SeekGE: /* jump, in3, group */ -case OP_SeekGT: { /* jump, in3, group */ +case OP_SeekLT: /* jump, in3, group, ncycle */ +case OP_SeekLE: /* jump, in3, group, ncycle */ +case OP_SeekGE: /* jump, in3, group, ncycle */ +case OP_SeekGT: { /* jump, in3, group, ncycle */ int res; /* Comparison result */ int oc; /* Opcode */ VdbeCursor *pC; /* The cursor to seek */ @@ -94570,7 +95112,7 @@ seek_not_found: ** jump to SeekOP.P2 if This.P5==0 or to This.P2 if This.P5>0. ** </ol> */ -case OP_SeekScan: { +case OP_SeekScan: { /* ncycle */ VdbeCursor *pC; int res; int nStep; @@ -94692,7 +95234,7 @@ case OP_SeekScan: { ** ** P1 must be a valid b-tree cursor. */ -case OP_SeekHit: { +case OP_SeekHit: { /* ncycle */ VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; @@ -94824,7 +95366,7 @@ case OP_IfNotOpen: { /* jump */ ** ** See also: NotFound, Found, NotExists */ -case OP_IfNoHope: { /* jump, in3 */ +case OP_IfNoHope: { /* jump, in3, ncycle */ VdbeCursor *pC; assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; @@ -94838,9 +95380,9 @@ case OP_IfNoHope: { /* jump, in3 */ /* Fall through into OP_NotFound */ /* no break */ deliberate_fall_through } -case OP_NoConflict: /* jump, in3 */ -case OP_NotFound: /* jump, in3 */ -case OP_Found: { /* jump, in3 */ +case OP_NoConflict: /* jump, in3, ncycle */ +case OP_NotFound: /* jump, in3, ncycle */ +case OP_Found: { /* jump, in3, ncycle */ int alreadyExists; int ii; VdbeCursor *pC; @@ -94970,7 +95512,7 @@ case OP_Found: { /* jump, in3 */ ** ** See also: Found, NotFound, NoConflict, SeekRowid */ -case OP_SeekRowid: { /* jump, in3 */ +case OP_SeekRowid: { /* jump, in3, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -94995,7 +95537,7 @@ case OP_SeekRowid: { /* jump, in3 */ } /* Fall through into OP_NotExists */ /* no break */ deliberate_fall_through -case OP_NotExists: /* jump, in3 */ +case OP_NotExists: /* jump, in3, ncycle */ pIn3 = &aMem[pOp->p3]; assert( (pIn3->flags & MEM_Int)!=0 || pOp->opcode==OP_SeekRowid ); assert( pOp->p1>=0 && pOp->p1<p->nCursor ); @@ -95275,8 +95817,11 @@ case OP_Insert: { if( pOp->p5 & OPFLAG_ISNOOP ) break; #endif - if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++; - if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = x.nKey; + assert( (pOp->p5 & OPFLAG_LASTROWID)==0 || (pOp->p5 & OPFLAG_NCHANGE)!=0 ); + if( pOp->p5 & OPFLAG_NCHANGE ){ + p->nChange++; + if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = x.nKey; + } assert( (pData->flags & (MEM_Blob|MEM_Str))!=0 || pData->n==0 ); x.pData = pData->z; x.nData = pData->n; @@ -95287,6 +95832,7 @@ case OP_Insert: { x.nZero = 0; } x.pKey = 0; + assert( BTREE_PREFORMAT==OPFLAG_PREFORMAT ); rc = sqlite3BtreeInsert(pC->uc.pCursor, &x, (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION|OPFLAG_PREFORMAT)), seekResult @@ -95618,7 +96164,7 @@ case OP_RowData: { ** be a separate OP_VRowid opcode for use with virtual tables, but this ** one opcode now works for both table types. */ -case OP_Rowid: { /* out2 */ +case OP_Rowid: { /* out2, ncycle */ VdbeCursor *pC; i64 v; sqlite3_vtab *pVtab; @@ -95717,8 +96263,8 @@ case OP_NullRow: { ** from the end toward the beginning. In other words, the cursor is ** configured to use Prev, not Next. */ -case OP_SeekEnd: -case OP_Last: { /* jump */ +case OP_SeekEnd: /* ncycle */ +case OP_Last: { /* jump, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -95819,17 +96365,22 @@ case OP_Sort: { /* jump */ ** If the table or index is not empty, fall through to the following ** instruction. ** +** If P2 is zero, that is an assertion that the P1 table is never +** empty and hence the jump will never be taken. +** ** This opcode leaves the cursor configured to move in forward order, ** from the beginning toward the end. In other words, the cursor is ** configured to use Next, not Prev. */ -case OP_Rewind: { /* jump */ +case OP_Rewind: { /* jump, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5==0 ); + assert( pOp->p2>=0 && pOp->p2<p->nOp ); + pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( isSorter(pC)==(pOp->opcode==OP_SorterSort) ); @@ -95849,9 +96400,10 @@ case OP_Rewind: { /* jump */ } if( rc ) goto abort_due_to_error; pC->nullRow = (u8)res; - assert( pOp->p2>0 && pOp->p2<p->nOp ); - VdbeBranchTaken(res!=0,2); - if( res ) goto jump_to_p2; + if( pOp->p2>0 ){ + VdbeBranchTaken(res!=0,2); + if( res ) goto jump_to_p2; + } break; } @@ -95917,7 +96469,7 @@ case OP_SorterNext: { /* jump */ rc = sqlite3VdbeSorterNext(db, pC); goto next_tail; -case OP_Prev: /* jump */ +case OP_Prev: /* jump, ncycle */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5==0 || pOp->p5==SQLITE_STMTSTATUS_FULLSCAN_STEP @@ -95932,7 +96484,7 @@ case OP_Prev: /* jump */ rc = sqlite3BtreePrevious(pC->uc.pCursor, pOp->p3); goto next_tail; -case OP_Next: /* jump */ +case OP_Next: /* jump, ncycle */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pOp->p5==0 || pOp->p5==SQLITE_STMTSTATUS_FULLSCAN_STEP @@ -96124,8 +96676,8 @@ case OP_IdxDelete: { ** ** See also: Rowid, MakeRecord. */ -case OP_DeferredSeek: -case OP_IdxRowid: { /* out2 */ +case OP_DeferredSeek: /* ncycle */ +case OP_IdxRowid: { /* out2, ncycle */ VdbeCursor *pC; /* The P1 index cursor */ VdbeCursor *pTabCur; /* The P2 table cursor (OP_DeferredSeek only) */ i64 rowid; /* Rowid that P1 current points to */ @@ -96187,8 +96739,8 @@ case OP_IdxRowid: { /* out2 */ ** seek operation now, without further delay. If the cursor seek has ** already occurred, this instruction is a no-op. */ -case OP_FinishSeek: { - VdbeCursor *pC; /* The P1 index cursor */ +case OP_FinishSeek: { /* ncycle */ + VdbeCursor *pC; /* The P1 index cursor */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; @@ -96243,10 +96795,10 @@ case OP_FinishSeek: { ** If the P1 index entry is less than or equal to the key value then jump ** to P2. Otherwise fall through to the next instruction. */ -case OP_IdxLE: /* jump */ -case OP_IdxGT: /* jump */ -case OP_IdxLT: /* jump */ -case OP_IdxGE: { /* jump */ +case OP_IdxLE: /* jump, ncycle */ +case OP_IdxGT: /* jump, ncycle */ +case OP_IdxLT: /* jump, ncycle */ +case OP_IdxGE: { /* jump, ncycle */ VdbeCursor *pC; int res; UnpackedRecord r; @@ -96657,13 +97209,14 @@ case OP_IntegrityCk: { pIn1 = &aMem[pOp->p1]; assert( pOp->p5<db->nDb ); assert( DbMaskTest(p->btreeMask, pOp->p5) ); - z = sqlite3BtreeIntegrityCheck(db, db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, - (int)pnErr->u.i+1, &nErr); + rc = sqlite3BtreeIntegrityCheck(db, db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, + (int)pnErr->u.i+1, &nErr, &z); sqlite3VdbeMemSetNull(pIn1); if( nErr==0 ){ assert( z==0 ); - }else if( z==0 ){ - goto no_mem; + }else if( rc ){ + sqlite3_free(z); + goto abort_due_to_error; }else{ pnErr->u.i -= nErr-1; sqlite3VdbeMemSetStr(pIn1, z, -1, SQLITE_UTF8, sqlite3_free); @@ -96867,9 +97420,6 @@ case OP_Program: { /* jump */ pFrame->aOp = p->aOp; pFrame->nOp = p->nOp; pFrame->token = pProgram->token; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - pFrame->anExec = p->anExec; -#endif #ifdef SQLITE_DEBUG pFrame->iFrameMagic = SQLITE_FRAME_MAGIC; #endif @@ -96906,9 +97456,6 @@ case OP_Program: { /* jump */ memset(pFrame->aOnce, 0, (pProgram->nOp + 7)/8); p->aOp = aOp = pProgram->aOp; p->nOp = pProgram->nOp; -#ifdef SQLITE_ENABLE_STMT_SCANSTATUS - p->anExec = 0; -#endif #ifdef SQLITE_DEBUG /* Verify that second and subsequent executions of the same trigger do not ** try to reuse register values from the first use. */ @@ -97665,7 +98212,7 @@ case OP_VDestroy: { ** P1 is a cursor number. This opcode opens a cursor to the virtual ** table and stores that cursor in P1. */ -case OP_VOpen: { +case OP_VOpen: { /* ncycle */ VdbeCursor *pCur; sqlite3_vtab_cursor *pVCur; sqlite3_vtab *pVtab; @@ -97712,7 +98259,7 @@ case OP_VOpen: { ** cursor. Register P3 is used to hold the values returned by ** sqlite3_vtab_in_first() and sqlite3_vtab_in_next(). */ -case OP_VInitIn: { /* out2 */ +case OP_VInitIn: { /* out2, ncycle */ VdbeCursor *pC; /* The cursor containing the RHS values */ ValueList *pRhs; /* New ValueList object to put in reg[P2] */ @@ -97723,7 +98270,7 @@ case OP_VInitIn: { /* out2 */ pRhs->pOut = &aMem[pOp->p3]; pOut = out2Prerelease(p, pOp); pOut->flags = MEM_Null; - sqlite3VdbeMemSetPointer(pOut, pRhs, "ValueList", sqlite3_free); + sqlite3VdbeMemSetPointer(pOut, pRhs, "ValueList", sqlite3VdbeValueListFree); break; } #endif /* SQLITE_OMIT_VIRTUALTABLE */ @@ -97749,7 +98296,7 @@ case OP_VInitIn: { /* out2 */ ** ** A jump is made to P2 if the result set after filtering would be empty. */ -case OP_VFilter: { /* jump */ +case OP_VFilter: { /* jump, ncycle */ int nArg; int iQuery; const sqlite3_module *pModule; @@ -97809,7 +98356,7 @@ case OP_VFilter: { /* jump */ ** bits (OPFLAG_LENGTHARG or OPFLAG_TYPEOFARG) but those bits are ** unused by OP_VColumn. */ -case OP_VColumn: { +case OP_VColumn: { /* ncycle */ sqlite3_vtab *pVtab; const sqlite3_module *pModule; Mem *pDest; @@ -97861,7 +98408,7 @@ case OP_VColumn: { ** jump to instruction P2. Or, if the virtual table has reached ** the end of its result set, then fall through to the next instruction. */ -case OP_VNext: { /* jump */ +case OP_VNext: { /* jump, ncycle */ sqlite3_vtab *pVtab; const sqlite3_module *pModule; int res; @@ -98444,12 +98991,12 @@ default: { /* This is really OP_Noop, OP_Explain */ *****************************************************************************/ } -#ifdef VDBE_PROFILE - { - u64 endTime = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); - if( endTime>start ) pOrigOp->cycles += endTime - start; - pOrigOp->cnt++; - } +#if defined(VDBE_PROFILE) + *pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); + pnCycle = 0; +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + *pnCycle += sqlite3Hwtime(); + pnCycle = 0; #endif /* The following code adds nothing to the actual functionality @@ -98525,6 +99072,18 @@ abort_due_to_error: ** release the mutexes on btrees that were acquired at the ** top. */ vdbe_return: +#if defined(VDBE_PROFILE) + if( pnCycle ){ + *pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime(); + pnCycle = 0; + } +#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS) + if( pnCycle ){ + *pnCycle += sqlite3Hwtime(); + pnCycle = 0; + } +#endif + #ifndef SQLITE_OMIT_PROGRESS_CALLBACK while( nVmStep>=nProgressLimit && db->xProgress!=0 ){ nProgressLimit += db->nProgressOps; @@ -98536,7 +99095,9 @@ vdbe_return: } #endif p->aCounter[SQLITE_STMTSTATUS_VM_STEP] += (int)nVmStep; - sqlite3VdbeLeave(p); + if( DbMaskNonZero(p->lockMask) ){ + sqlite3VdbeLeave(p); + } assert( rc!=SQLITE_OK || nExtraDelete==0 || sqlite3_strlike("DELETE%",p->zSql,0)!=0 ); @@ -101943,6 +102504,9 @@ static int bytecodevtabConnect( ");" }; + (void)argc; + (void)argv; + (void)pzErr; rc = sqlite3_declare_vtab(db, azSchema[isTabUsed]); if( rc==SQLITE_OK ){ pNew = sqlite3_malloc( sizeof(*pNew) ); @@ -102178,6 +102742,7 @@ static int bytecodevtabFilter( bytecodevtab_cursor *pCur = (bytecodevtab_cursor *)pVtabCursor; bytecodevtab *pVTab = (bytecodevtab *)pVtabCursor->pVtab; int rc = SQLITE_OK; + (void)idxStr; bytecodevtabCursorClear(pCur); pCur->iRowid = 0; @@ -103193,6 +103758,32 @@ static void extendFJMatch( } /* +** Return TRUE (non-zero) if zTab is a valid name for the schema table pTab. +*/ +static SQLITE_NOINLINE int isValidSchemaTableName( + const char *zTab, /* Name as it appears in the SQL */ + Table *pTab, /* The schema table we are trying to match */ + Schema *pSchema /* non-NULL if a database qualifier is present */ +){ + const char *zLegacy; + assert( pTab!=0 ); + assert( pTab->tnum==1 ); + if( sqlite3StrNICmp(zTab, "sqlite_", 7)!=0 ) return 0; + zLegacy = pTab->zName; + if( strcmp(zLegacy+7, &LEGACY_TEMP_SCHEMA_TABLE[7])==0 ){ + if( sqlite3StrICmp(zTab+7, &PREFERRED_TEMP_SCHEMA_TABLE[7])==0 ){ + return 1; + } + if( pSchema==0 ) return 0; + if( sqlite3StrICmp(zTab+7, &LEGACY_SCHEMA_TABLE[7])==0 ) return 1; + if( sqlite3StrICmp(zTab+7, &PREFERRED_SCHEMA_TABLE[7])==0 ) return 1; + }else{ + if( sqlite3StrICmp(zTab+7, &PREFERRED_SCHEMA_TABLE[7])==0 ) return 1; + } + return 0; +} + +/* ** Given the name of a column of the form X.Y.Z or Y.Z or just Z, look up ** that name in the set of source tables in pSrcList and make the pExpr ** expression node refer back to that source column. The following changes @@ -103345,15 +103936,17 @@ static int lookupName( } assert( zDb==0 || zTab!=0 ); if( zTab ){ - const char *zTabName; if( zDb ){ if( pTab->pSchema!=pSchema ) continue; if( pSchema==0 && strcmp(zDb,"*")!=0 ) continue; } - zTabName = pItem->zAlias ? pItem->zAlias : pTab->zName; - assert( zTabName!=0 ); - if( sqlite3StrICmp(zTabName, zTab)!=0 ){ - continue; + if( pItem->zAlias!=0 ){ + if( sqlite3StrICmp(zTab, pItem->zAlias)!=0 ){ + continue; + } + }else if( sqlite3StrICmp(zTab, pTab->zName)!=0 ){ + if( pTab->tnum!=1 ) continue; + if( !isValidSchemaTableName(zTab, pTab, pSchema) ) continue; } assert( ExprUseYTab(pExpr) ); if( IN_RENAME_OBJECT && pItem->zAlias ){ @@ -103496,6 +104089,7 @@ static int lookupName( if( pParse->bReturning ){ eNewExprOp = TK_REGISTER; pExpr->op2 = TK_COLUMN; + pExpr->iColumn = iCol; pExpr->iTable = pNC->uNC.iBaseReg + (pTab->nCol+1)*pExpr->iTable + sqlite3TableColumnToStorage(pTab, iCol) + 1; }else{ @@ -103908,14 +104502,10 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ if( 0==sqlite3ExprCanBeNull(pExpr->pLeft) && !IN_RENAME_OBJECT ){ testcase( ExprHasProperty(pExpr, EP_OuterON) ); assert( !ExprHasProperty(pExpr, EP_IntValue) ); - if( pExpr->op==TK_NOTNULL ){ - pExpr->u.zToken = "true"; - ExprSetProperty(pExpr, EP_IsTrue); - }else{ - pExpr->u.zToken = "false"; - ExprSetProperty(pExpr, EP_IsFalse); - } - pExpr->op = TK_TRUEFALSE; + pExpr->u.iValue = (pExpr->op==TK_NOTNULL); + pExpr->flags |= EP_IntValue; + pExpr->op = TK_INTEGER; + for(i=0, p=pNC; p && i<ArraySize(anRef); p=p->pNext, i++){ p->nRef = anRef[i]; } @@ -104217,8 +104807,8 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ assert( pNC->nRef>=nRef ); if( nRef!=pNC->nRef ){ ExprSetProperty(pExpr, EP_VarSelect); - pNC->ncFlags |= NC_VarSelect; } + pNC->ncFlags |= NC_Subquery; } break; } @@ -105172,49 +105762,122 @@ SQLITE_PRIVATE char sqlite3TableColumnAffinity(const Table *pTab, int iCol){ */ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ int op; - while( ExprHasProperty(pExpr, EP_Skip|EP_IfNullRow) ){ - assert( pExpr->op==TK_COLLATE - || pExpr->op==TK_IF_NULL_ROW - || (pExpr->op==TK_REGISTER && pExpr->op2==TK_IF_NULL_ROW) ); - pExpr = pExpr->pLeft; - assert( pExpr!=0 ); - } op = pExpr->op; - if( op==TK_REGISTER ) op = pExpr->op2; - if( op==TK_COLUMN || op==TK_AGG_COLUMN ){ - assert( ExprUseYTab(pExpr) ); - assert( pExpr->y.pTab!=0 ); - return sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); - } - if( op==TK_SELECT ){ - assert( ExprUseXSelect(pExpr) ); - assert( pExpr->x.pSelect!=0 ); - assert( pExpr->x.pSelect->pEList!=0 ); - assert( pExpr->x.pSelect->pEList->a[0].pExpr!=0 ); - return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr); - } + while( 1 /* exit-by-break */ ){ + if( op==TK_COLUMN || (op==TK_AGG_COLUMN && pExpr->y.pTab!=0) ){ + assert( ExprUseYTab(pExpr) ); + assert( pExpr->y.pTab!=0 ); + return sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); + } + if( op==TK_SELECT ){ + assert( ExprUseXSelect(pExpr) ); + assert( pExpr->x.pSelect!=0 ); + assert( pExpr->x.pSelect->pEList!=0 ); + assert( pExpr->x.pSelect->pEList->a[0].pExpr!=0 ); + return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr); + } #ifndef SQLITE_OMIT_CAST - if( op==TK_CAST ){ - assert( !ExprHasProperty(pExpr, EP_IntValue) ); - return sqlite3AffinityType(pExpr->u.zToken, 0); - } + if( op==TK_CAST ){ + assert( !ExprHasProperty(pExpr, EP_IntValue) ); + return sqlite3AffinityType(pExpr->u.zToken, 0); + } #endif - if( op==TK_SELECT_COLUMN ){ - assert( pExpr->pLeft!=0 && ExprUseXSelect(pExpr->pLeft) ); - assert( pExpr->iColumn < pExpr->iTable ); - assert( pExpr->iTable==pExpr->pLeft->x.pSelect->pEList->nExpr ); - return sqlite3ExprAffinity( - pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr - ); - } - if( op==TK_VECTOR ){ - assert( ExprUseXList(pExpr) ); - return sqlite3ExprAffinity(pExpr->x.pList->a[0].pExpr); + if( op==TK_SELECT_COLUMN ){ + assert( pExpr->pLeft!=0 && ExprUseXSelect(pExpr->pLeft) ); + assert( pExpr->iColumn < pExpr->iTable ); + assert( pExpr->iTable==pExpr->pLeft->x.pSelect->pEList->nExpr ); + return sqlite3ExprAffinity( + pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr + ); + } + if( op==TK_VECTOR ){ + assert( ExprUseXList(pExpr) ); + return sqlite3ExprAffinity(pExpr->x.pList->a[0].pExpr); + } + if( ExprHasProperty(pExpr, EP_Skip|EP_IfNullRow) ){ + assert( pExpr->op==TK_COLLATE + || pExpr->op==TK_IF_NULL_ROW + || (pExpr->op==TK_REGISTER && pExpr->op2==TK_IF_NULL_ROW) ); + pExpr = pExpr->pLeft; + op = pExpr->op; + continue; + } + if( op!=TK_REGISTER || (op = pExpr->op2)==TK_REGISTER ) break; } return pExpr->affExpr; } /* +** Make a guess at all the possible datatypes of the result that could +** be returned by an expression. Return a bitmask indicating the answer: +** +** 0x01 Numeric +** 0x02 Text +** 0x04 Blob +** +** If the expression must return NULL, then 0x00 is returned. +*/ +SQLITE_PRIVATE int sqlite3ExprDataType(const Expr *pExpr){ + while( pExpr ){ + switch( pExpr->op ){ + case TK_COLLATE: + case TK_IF_NULL_ROW: + case TK_UPLUS: { + pExpr = pExpr->pLeft; + break; + } + case TK_NULL: { + pExpr = 0; + break; + } + case TK_STRING: { + return 0x02; + } + case TK_BLOB: { + return 0x04; + } + case TK_CONCAT: { + return 0x06; + } + case TK_VARIABLE: + case TK_AGG_FUNCTION: + case TK_FUNCTION: { + return 0x07; + } + case TK_COLUMN: + case TK_AGG_COLUMN: + case TK_SELECT: + case TK_CAST: + case TK_SELECT_COLUMN: + case TK_VECTOR: { + int aff = sqlite3ExprAffinity(pExpr); + if( aff>=SQLITE_AFF_NUMERIC ) return 0x05; + if( aff==SQLITE_AFF_TEXT ) return 0x06; + return 0x07; + } + case TK_CASE: { + int res = 0; + int ii; + ExprList *pList = pExpr->x.pList; + assert( ExprUseXList(pExpr) && pList!=0 ); + assert( pList->nExpr > 0); + for(ii=1; ii<pList->nExpr; ii+=2){ + res |= sqlite3ExprDataType(pList->a[ii].pExpr); + } + if( pList->nExpr % 2 ){ + res |= sqlite3ExprDataType(pList->a[pList->nExpr-1].pExpr); + } + return res; + } + default: { + return 0x01; + } + } /* End of switch(op) */ + } /* End of while(pExpr) */ + return 0x00; +} + +/* ** Set the collating sequence for expression pExpr to be the collating ** sequence named by pToken. Return a pointer to a new Expr node that ** implements the COLLATE operator. @@ -105301,7 +105964,9 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ while( p ){ int op = p->op; if( op==TK_REGISTER ) op = p->op2; - if( op==TK_AGG_COLUMN || op==TK_COLUMN || op==TK_TRIGGER ){ + if( (op==TK_AGG_COLUMN && p->y.pTab!=0) + || op==TK_COLUMN || op==TK_TRIGGER + ){ int j; assert( ExprUseYTab(p) ); assert( p->y.pTab!=0 ); @@ -108383,6 +109048,9 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ SelectDest dest; /* How to deal with SELECT result */ int nReg; /* Registers to allocate */ Expr *pLimit; /* New limit expression */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; /* Address of OP_Explain instruction */ +#endif Vdbe *v = pParse->pVdbe; assert( v!=0 ); @@ -108435,8 +109103,9 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ ** In both cases, the query is augmented with "LIMIT 1". Any ** preexisting limit is discarded in place of the new LIMIT 1. */ - ExplainQueryPlan((pParse, 1, "%sSCALAR SUBQUERY %d", + ExplainQueryPlan2(addrExplain, (pParse, 1, "%sSCALAR SUBQUERY %d", addrOnce?"":"CORRELATED ", pSel->selId)); + sqlite3VdbeScanStatusCounters(v, addrExplain, addrExplain, -1); nReg = pExpr->op==TK_SELECT ? pSel->pEList->nExpr : 1; sqlite3SelectDestInit(&dest, 0, pParse->nMem+1); pParse->nMem += nReg; @@ -108479,6 +109148,7 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ if( addrOnce ){ sqlite3VdbeJumpHere(v, addrOnce); } + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); /* Subroutine return */ assert( ExprUseYSub(pExpr) ); @@ -108887,6 +109557,7 @@ SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn( ){ int iAddr; Vdbe *v = pParse->pVdbe; + int nErr = pParse->nErr; assert( v!=0 ); assert( pParse->iSelfTab!=0 ); if( pParse->iSelfTab>0 ){ @@ -108899,6 +109570,7 @@ SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn( sqlite3VdbeAddOp4(v, OP_Affinity, regOut, 1, 0, &pCol->affinity, 1); } if( iAddr ) sqlite3VdbeJumpHere(v, iAddr); + if( pParse->nErr>nErr ) pParse->db->errByteOffset = -1; } #endif /* SQLITE_OMIT_GENERATED_COLUMNS */ @@ -108915,6 +109587,7 @@ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable( Column *pCol; assert( v!=0 ); assert( pTab!=0 ); + assert( iCol!=XN_EXPR ); if( iCol<0 || iCol==pTab->iPKey ){ sqlite3VdbeAddOp2(v, OP_Rowid, iTabCur, regOut); VdbeComment((v, "%s.rowid", pTab->zName)); @@ -109151,10 +109824,13 @@ static int exprCodeInlineFunction( ** the type affinity of the argument. This is used for testing of ** the SQLite type logic. */ - const char *azAff[] = { "blob", "text", "numeric", "integer", "real" }; + const char *azAff[] = { "blob", "text", "numeric", "integer", + "real", "flexnum" }; char aff; assert( nFarg==1 ); aff = sqlite3ExprAffinity(pFarg->a[0].pExpr); + assert( aff<=SQLITE_AFF_NONE + || (aff>=SQLITE_AFF_BLOB && aff<=SQLITE_AFF_FLEXNUM) ); sqlite3VdbeLoadString(v, target, (aff<=SQLITE_AFF_NONE) ? "none" : azAff[aff-SQLITE_AFF_BLOB]); break; @@ -109165,7 +109841,7 @@ static int exprCodeInlineFunction( } /* -** Check to see if pExpr is one of the indexed expressions on pParse->pIdxExpr. +** Check to see if pExpr is one of the indexed expressions on pParse->pIdxEpr. ** If it is, then resolve the expression by reading from the index and ** return the register into which the value has been read. If pExpr is ** not an indexed expression, then return negative. @@ -109177,7 +109853,8 @@ static SQLITE_NOINLINE int sqlite3IndexedExprLookup( ){ IndexedExpr *p; Vdbe *v; - for(p=pParse->pIdxExpr; p; p=p->pIENext){ + for(p=pParse->pIdxEpr; p; p=p->pIENext){ + u8 exprAff; int iDataCur = p->iDataCur; if( iDataCur<0 ) continue; if( pParse->iSelfTab ){ @@ -109185,6 +109862,16 @@ static SQLITE_NOINLINE int sqlite3IndexedExprLookup( iDataCur = -1; } if( sqlite3ExprCompare(0, pExpr, p->pExpr, iDataCur)!=0 ) continue; + assert( p->aff>=SQLITE_AFF_BLOB && p->aff<=SQLITE_AFF_NUMERIC ); + exprAff = sqlite3ExprAffinity(pExpr); + if( (exprAff<=SQLITE_AFF_BLOB && p->aff!=SQLITE_AFF_BLOB) + || (exprAff==SQLITE_AFF_TEXT && p->aff!=SQLITE_AFF_TEXT) + || (exprAff>=SQLITE_AFF_NUMERIC && p->aff!=SQLITE_AFF_NUMERIC) + ){ + /* Affinity mismatch on a generated column */ + continue; + } + v = pParse->pVdbe; assert( v!=0 ); if( p->bMaybeNullRow ){ @@ -109197,10 +109884,10 @@ static SQLITE_NOINLINE int sqlite3IndexedExprLookup( sqlite3VdbeAddOp3(v, OP_Column, p->iIdxCur, p->iIdxCol, target); VdbeComment((v, "%s expr-column %d", p->zIdxName, p->iIdxCol)); sqlite3VdbeGoto(v, 0); - p = pParse->pIdxExpr; - pParse->pIdxExpr = 0; + p = pParse->pIdxEpr; + pParse->pIdxEpr = 0; sqlite3ExprCode(pParse, pExpr, target); - pParse->pIdxExpr = p; + pParse->pIdxEpr = p; sqlite3VdbeJumpHere(v, addr+2); }else{ sqlite3VdbeAddOp3(v, OP_Column, p->iIdxCur, p->iIdxCol, target); @@ -109239,7 +109926,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) expr_code_doover: if( pExpr==0 ){ op = TK_NULL; - }else if( pParse->pIdxExpr!=0 + }else if( pParse->pIdxEpr!=0 && !ExprHasProperty(pExpr, EP_Leaf) && (r1 = sqlite3IndexedExprLookup(pParse, pExpr, target))>=0 ){ @@ -109256,15 +109943,16 @@ expr_code_doover: assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn ); pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ - assert( pCol->iMem>0 ); - return pCol->iMem; + return AggInfoColumnReg(pAggInfo, pExpr->iAgg); }else if( pAggInfo->useSortingIdx ){ Table *pTab = pCol->pTab; sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, pCol->iSorterColumn, target); - if( pCol->iColumn<0 ){ + if( pTab==0 ){ + /* No comment added */ + }else if( pCol->iColumn<0 ){ VdbeComment((v,"%s.rowid",pTab->zName)); - }else if( ALWAYS(pTab!=0) ){ + }else{ VdbeComment((v,"%s.%s", pTab->zName, pTab->aCol[pCol->iColumn].zCnName)); if( pTab->aCol[pCol->iColumn].affinity==SQLITE_AFF_REAL ){ @@ -109272,6 +109960,11 @@ expr_code_doover: } } return target; + }else if( pExpr->y.pTab==0 ){ + /* This case happens when the argument to an aggregate function + ** is rewritten by aggregateConvertIndexedExprRefToColumn() */ + sqlite3VdbeAddOp3(v, OP_Column, pExpr->iTable, pExpr->iColumn, target); + return target; } /* Otherwise, fall thru into the TK_COLUMN case */ /* no break */ deliberate_fall_through @@ -109292,7 +109985,7 @@ expr_code_doover: assert( pExpr->y.pTab!=0 ); aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); if( aff>SQLITE_AFF_BLOB ){ - static const char zAff[] = "B\000C\000D\000E"; + static const char zAff[] = "B\000C\000D\000E\000F"; assert( SQLITE_AFF_BLOB=='A' ); assert( SQLITE_AFF_TEXT=='B' ); sqlite3VdbeAddOp4(v, OP_Affinity, iReg, 1, 0, @@ -109569,7 +110262,7 @@ expr_code_doover: assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3ErrorMsg(pParse, "misuse of aggregate: %#T()", pExpr); }else{ - return pInfo->aFunc[pExpr->iAgg].iMem; + return AggInfoFuncReg(pInfo, pExpr->iAgg); } break; } @@ -109758,10 +110451,13 @@ expr_code_doover: return target; } case TK_COLLATE: { - if( !ExprHasProperty(pExpr, EP_Collate) - && ALWAYS(pExpr->pLeft) - && pExpr->pLeft->op==TK_FUNCTION - ){ + if( !ExprHasProperty(pExpr, EP_Collate) ){ + /* A TK_COLLATE Expr node without the EP_Collate tag is a so-called + ** "SOFT-COLLATE" that is added to constraints that are pushed down + ** from outer queries into sub-queries by the push-down optimization. + ** Clear subtypes as subtypes may not cross a subquery boundary. + */ + assert( pExpr->pLeft ); inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); if( inReg!=target ){ sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); @@ -109858,7 +110554,7 @@ expr_code_doover: if( pAggInfo ){ assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn ); if( !pAggInfo->directMode ){ - inReg = pAggInfo->aCol[pExpr->iAgg].iMem; + inReg = AggInfoColumnReg(pAggInfo, pExpr->iAgg); break; } if( pExpr->pAggInfo->useSortingIdx ){ @@ -109869,16 +110565,22 @@ expr_code_doover: break; } } - addrINR = sqlite3VdbeAddOp1(v, OP_IfNullRow, pExpr->iTable); - /* Temporarily disable factoring of constant expressions, since - ** even though expressions may appear to be constant, they are not - ** really constant because they originate from the right-hand side - ** of a LEFT JOIN. */ - pParse->okConstFactor = 0; + addrINR = sqlite3VdbeAddOp3(v, OP_IfNullRow, pExpr->iTable, 0, target); + /* The OP_IfNullRow opcode above can overwrite the result register with + ** NULL. So we have to ensure that the result register is not a value + ** that is suppose to be a constant. Two defenses are needed: + ** (1) Temporarily disable factoring of constant expressions + ** (2) Make sure the computed value really is stored in register + ** "target" and not someplace else. + */ + pParse->okConstFactor = 0; /* note (1) above */ inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target); pParse->okConstFactor = okConstFactor; + if( inReg!=target ){ /* note (2) above */ + sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target); + inReg = target; + } sqlite3VdbeJumpHere(v, addrINR); - sqlite3VdbeChangeP3(v, addrINR, inReg); break; } @@ -111289,10 +111991,8 @@ SQLITE_PRIVATE int sqlite3ReferencesSrcList(Parse *pParse, Expr *pExpr, SrcList ** it does, make a copy. This is done because the pExpr argument is ** subject to change. ** -** The copy is stored on pParse->pConstExpr with a register number of 0. -** This will cause the expression to be deleted automatically when the -** Parse object is destroyed, but the zero register number means that it -** will not generate any code in the preamble. +** The copy is scheduled for deletion using the sqlite3ExprDeferredDelete() +** which builds on the sqlite3ParserAddCleanup() mechanism. */ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ if( ALWAYS(!ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced)) @@ -111303,7 +112003,6 @@ static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ Parse *pParse = pWalker->pParse; sqlite3 *db = pParse->db; if( pExpr->op!=TK_AGG_FUNCTION ){ - assert( pExpr->op==TK_AGG_COLUMN || pExpr->op==TK_IF_NULL_ROW ); assert( iAgg>=0 && iAgg<pAggInfo->nColumn ); if( pAggInfo->aCol[iAgg].pCExpr==pExpr ){ pExpr = sqlite3ExprDup(db, pExpr, 0); @@ -111371,6 +112070,73 @@ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ } /* +** Search the AggInfo object for an aCol[] entry that has iTable and iColumn. +** Return the index in aCol[] of the entry that describes that column. +** +** If no prior entry is found, create a new one and return -1. The +** new column will have an idex of pAggInfo->nColumn-1. +*/ +static void findOrCreateAggInfoColumn( + Parse *pParse, /* Parsing context */ + AggInfo *pAggInfo, /* The AggInfo object to search and/or modify */ + Expr *pExpr /* Expr describing the column to find or insert */ +){ + struct AggInfo_col *pCol; + int k; + + assert( pAggInfo->iFirstReg==0 ); + pCol = pAggInfo->aCol; + for(k=0; k<pAggInfo->nColumn; k++, pCol++){ + if( pCol->iTable==pExpr->iTable + && pCol->iColumn==pExpr->iColumn + && pExpr->op!=TK_IF_NULL_ROW + ){ + goto fix_up_expr; + } + } + k = addAggInfoColumn(pParse->db, pAggInfo); + if( k<0 ){ + /* OOM on resize */ + assert( pParse->db->mallocFailed ); + return; + } + pCol = &pAggInfo->aCol[k]; + assert( ExprUseYTab(pExpr) ); + pCol->pTab = pExpr->y.pTab; + pCol->iTable = pExpr->iTable; + pCol->iColumn = pExpr->iColumn; + pCol->iSorterColumn = -1; + pCol->pCExpr = pExpr; + if( pAggInfo->pGroupBy && pExpr->op!=TK_IF_NULL_ROW ){ + int j, n; + ExprList *pGB = pAggInfo->pGroupBy; + struct ExprList_item *pTerm = pGB->a; + n = pGB->nExpr; + for(j=0; j<n; j++, pTerm++){ + Expr *pE = pTerm->pExpr; + if( pE->op==TK_COLUMN + && pE->iTable==pExpr->iTable + && pE->iColumn==pExpr->iColumn + ){ + pCol->iSorterColumn = j; + break; + } + } + } + if( pCol->iSorterColumn<0 ){ + pCol->iSorterColumn = pAggInfo->nSortingColumn++; + } +fix_up_expr: + ExprSetVVAProperty(pExpr, EP_NoReduce); + assert( pExpr->pAggInfo==0 || pExpr->pAggInfo==pAggInfo ); + pExpr->pAggInfo = pAggInfo; + if( pExpr->op==TK_COLUMN ){ + pExpr->op = TK_AGG_COLUMN; + } + pExpr->iAgg = (i16)k; +} + +/* ** This is the xExprCallback for a tree walker. It is used to ** implement sqlite3ExprAnalyzeAggregates(). See sqlite3ExprAnalyzeAggregates ** for additional information. @@ -111383,7 +112149,37 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ AggInfo *pAggInfo = pNC->uNC.pAggInfo; assert( pNC->ncFlags & NC_UAggInfo ); + assert( pAggInfo->iFirstReg==0 ); switch( pExpr->op ){ + default: { + IndexedExpr *pIEpr; + Expr tmp; + assert( pParse->iSelfTab==0 ); + if( (pNC->ncFlags & NC_InAggFunc)==0 ) break; + if( pParse->pIdxEpr==0 ) break; + for(pIEpr=pParse->pIdxEpr; pIEpr; pIEpr=pIEpr->pIENext){ + int iDataCur = pIEpr->iDataCur; + if( iDataCur<0 ) continue; + if( sqlite3ExprCompare(0, pExpr, pIEpr->pExpr, iDataCur)==0 ) break; + } + if( pIEpr==0 ) break; + if( NEVER(!ExprUseYTab(pExpr)) ) break; + if( pExpr->pAggInfo!=0 ) break; /* Already resolved by outer context */ + + /* If we reach this point, it means that expression pExpr can be + ** translated into a reference to an index column as described by + ** pIEpr. + */ + memset(&tmp, 0, sizeof(tmp)); + tmp.op = TK_AGG_COLUMN; + tmp.iTable = pIEpr->iIdxCur; + tmp.iColumn = pIEpr->iIdxCol; + findOrCreateAggInfoColumn(pParse, pAggInfo, &tmp); + pAggInfo->aCol[tmp.iAgg].pCExpr = pExpr; + pExpr->pAggInfo = pAggInfo; + pExpr->iAgg = tmp.iAgg; + return WRC_Prune; + } case TK_IF_NULL_ROW: case TK_AGG_COLUMN: case TK_COLUMN: { @@ -111395,67 +112191,9 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ if( ALWAYS(pSrcList!=0) ){ SrcItem *pItem = pSrcList->a; for(i=0; i<pSrcList->nSrc; i++, pItem++){ - struct AggInfo_col *pCol; assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); if( pExpr->iTable==pItem->iCursor ){ - /* If we reach this point, it means that pExpr refers to a table - ** that is in the FROM clause of the aggregate query. - ** - ** Make an entry for the column in pAggInfo->aCol[] if there - ** is not an entry there already. - */ - int k; - pCol = pAggInfo->aCol; - for(k=0; k<pAggInfo->nColumn; k++, pCol++){ - if( pCol->iTable==pExpr->iTable - && pCol->iColumn==pExpr->iColumn - && pExpr->op!=TK_IF_NULL_ROW - ){ - break; - } - } - if( (k>=pAggInfo->nColumn) - && (k = addAggInfoColumn(pParse->db, pAggInfo))>=0 - ){ - pCol = &pAggInfo->aCol[k]; - assert( ExprUseYTab(pExpr) ); - pCol->pTab = pExpr->y.pTab; - pCol->iTable = pExpr->iTable; - pCol->iColumn = pExpr->iColumn; - pCol->iMem = ++pParse->nMem; - pCol->iSorterColumn = -1; - pCol->pCExpr = pExpr; - if( pAggInfo->pGroupBy && pExpr->op!=TK_IF_NULL_ROW ){ - int j, n; - ExprList *pGB = pAggInfo->pGroupBy; - struct ExprList_item *pTerm = pGB->a; - n = pGB->nExpr; - for(j=0; j<n; j++, pTerm++){ - Expr *pE = pTerm->pExpr; - if( pE->op==TK_COLUMN - && pE->iTable==pExpr->iTable - && pE->iColumn==pExpr->iColumn - ){ - pCol->iSorterColumn = j; - break; - } - } - } - if( pCol->iSorterColumn<0 ){ - pCol->iSorterColumn = pAggInfo->nSortingColumn++; - } - } - /* There is now an entry for pExpr in pAggInfo->aCol[] (either - ** because it was there before or because we just created it). - ** Convert the pExpr to be a TK_AGG_COLUMN referring to that - ** pAggInfo->aCol[] entry. - */ - ExprSetVVAProperty(pExpr, EP_NoReduce); - pExpr->pAggInfo = pAggInfo; - if( pExpr->op==TK_COLUMN ){ - pExpr->op = TK_AGG_COLUMN; - } - pExpr->iAgg = (i16)k; + findOrCreateAggInfoColumn(pParse, pAggInfo, pExpr); break; } /* endif pExpr->iTable==pItem->iCursor */ } /* end loop over pSrcList */ @@ -111485,7 +112223,6 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); pItem = &pAggInfo->aFunc[i]; pItem->pFExpr = pExpr; - pItem->iMem = ++pParse->nMem; assert( ExprUseUToken(pExpr) ); pItem->pFunc = sqlite3FindFunction(pParse->db, pExpr->u.zToken, @@ -112382,13 +113119,14 @@ static void renameTokenCheckAll(Parse *pParse, const void *pPtr){ assert( pParse->db->mallocFailed==0 || pParse->nErr!=0 ); if( pParse->nErr==0 ){ const RenameToken *p; - u8 i = 0; + u32 i = 1; for(p=pParse->pRename; p; p=p->pNext){ if( p->p ){ assert( p->p!=pPtr ); - i += *(u8*)(p->p); + i += *(u8*)(p->p) | 1; } } + assert( i>0 ); } } #else @@ -115518,6 +116256,8 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){ ** and its contents. */ SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){ + assert( db!=0 ); + assert( pIdx!=0 ); #ifdef SQLITE_ENABLE_STAT4 if( pIdx->aSample ){ int j; @@ -115527,7 +116267,7 @@ SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){ } sqlite3DbFree(db, pIdx->aSample); } - if( db && db->pnBytesFreed==0 ){ + if( db->pnBytesFreed==0 ){ pIdx->nSample = 0; pIdx->aSample = 0; } @@ -115946,7 +116686,7 @@ static void attachFunc( char *zErr = 0; unsigned int flags; Db *aNew; /* New array of Db pointers */ - Db *pNew; /* Db object for the newly attached database */ + Db *pNew = 0; /* Db object for the newly attached database */ char *zErrDyn = 0; sqlite3_vfs *pVfs; @@ -115966,13 +116706,26 @@ static void attachFunc( /* This is not a real ATTACH. Instead, this routine is being called ** from sqlite3_deserialize() to close database db->init.iDb and ** reopen it as a MemDB */ + Btree *pNewBt = 0; pVfs = sqlite3_vfs_find("memdb"); if( pVfs==0 ) return; - pNew = &db->aDb[db->init.iDb]; - if( pNew->pBt ) sqlite3BtreeClose(pNew->pBt); - pNew->pBt = 0; - pNew->pSchema = 0; - rc = sqlite3BtreeOpen(pVfs, "x\0", db, &pNew->pBt, 0, SQLITE_OPEN_MAIN_DB); + rc = sqlite3BtreeOpen(pVfs, "x\0", db, &pNewBt, 0, SQLITE_OPEN_MAIN_DB); + if( rc==SQLITE_OK ){ + Schema *pNewSchema = sqlite3SchemaGet(db, pNewBt); + if( pNewSchema ){ + /* Both the Btree and the new Schema were allocated successfully. + ** Close the old db and update the aDb[] slot with the new memdb + ** values. */ + pNew = &db->aDb[db->init.iDb]; + if( ALWAYS(pNew->pBt) ) sqlite3BtreeClose(pNew->pBt); + pNew->pBt = pNewBt; + pNew->pSchema = pNewSchema; + }else{ + sqlite3BtreeClose(pNewBt); + rc = SQLITE_NOMEM; + } + } + if( rc ) goto attach_error; }else{ /* This is a real ATTACH ** @@ -116085,7 +116838,7 @@ static void attachFunc( } #endif if( rc ){ - if( !REOPEN_AS_MEMDB(db) ){ + if( ALWAYS(!REOPEN_AS_MEMDB(db)) ){ int iDb = db->nDb - 1; assert( iDb>=2 ); if( db->aDb[iDb].pBt ){ @@ -116202,6 +116955,8 @@ static void codeAttach( sqlite3* db = pParse->db; int regArgs; + if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto attach_end; + if( pParse->nErr ) goto attach_end; memset(&sName, 0, sizeof(NameContext)); sName.pParse = pParse; @@ -117044,6 +117799,7 @@ SQLITE_PRIVATE void sqlite3NestedParse(Parse *pParse, const char *zFormat, ...){ char saveBuf[PARSE_TAIL_SZ]; if( pParse->nErr ) return; + if( pParse->eParseMode ) return; assert( pParse->nested<10 ); /* Nesting should only be of limited depth */ va_start(ap, zFormat); zSql = sqlite3VMPrintf(db, zFormat, ap); @@ -118187,7 +118943,7 @@ SQLITE_PRIVATE void sqlite3AddReturning(Parse *pParse, ExprList *pList){ if( pParse->pNewTrigger ){ sqlite3ErrorMsg(pParse, "cannot use RETURNING in a trigger"); }else{ - assert( pParse->bReturning==0 ); + assert( pParse->bReturning==0 || pParse->ifNotExists ); } pParse->bReturning = 1; pRet = sqlite3DbMallocZero(db, sizeof(*pRet)); @@ -118213,7 +118969,8 @@ SQLITE_PRIVATE void sqlite3AddReturning(Parse *pParse, ExprList *pList){ pRet->retTStep.pTrig = &pRet->retTrig; pRet->retTStep.pExprList = pList; pHash = &(db->aDb[1].pSchema->trigHash); - assert( sqlite3HashFind(pHash, RETURNING_TRIGGER_NAME)==0 || pParse->nErr ); + assert( sqlite3HashFind(pHash, RETURNING_TRIGGER_NAME)==0 + || pParse->nErr || pParse->ifNotExists ); if( sqlite3HashInsert(pHash, RETURNING_TRIGGER_NAME, &pRet->retTrig) ==&pRet->retTrig ){ sqlite3OomFault(db); @@ -118741,6 +119498,14 @@ SQLITE_PRIVATE void sqlite3AddGenerated(Parse *pParse, Expr *pExpr, Token *pType if( pCol->colFlags & COLFLAG_PRIMKEY ){ makeColumnPartOfPrimaryKey(pParse, pCol); /* For the error message */ } + if( ALWAYS(pExpr) && pExpr->op==TK_ID ){ + /* The value of a generated column needs to be a real expression, not + ** just a reference to another column, in order for covering index + ** optimizations to work correctly. So if the value is not an expression, + ** turn it into one by adding a unary "+" operator. */ + pExpr = sqlite3PExpr(pParse, TK_UPLUS, pExpr, 0); + } + if( pExpr && pExpr->op!=TK_RAISE ) pExpr->affExpr = pCol->affinity; sqlite3ColumnSetExpr(pParse, pTab, pCol, pExpr); pExpr = 0; goto generated_done; @@ -118877,7 +119642,8 @@ static char *createTableStmt(sqlite3 *db, Table *p){ /* SQLITE_AFF_TEXT */ " TEXT", /* SQLITE_AFF_NUMERIC */ " NUM", /* SQLITE_AFF_INTEGER */ " INT", - /* SQLITE_AFF_REAL */ " REAL" + /* SQLITE_AFF_REAL */ " REAL", + /* SQLITE_AFF_FLEXNUM */ " NUM", }; int len; const char *zType; @@ -118893,10 +119659,12 @@ static char *createTableStmt(sqlite3 *db, Table *p){ testcase( pCol->affinity==SQLITE_AFF_NUMERIC ); testcase( pCol->affinity==SQLITE_AFF_INTEGER ); testcase( pCol->affinity==SQLITE_AFF_REAL ); + testcase( pCol->affinity==SQLITE_AFF_FLEXNUM ); zType = azType[pCol->affinity - SQLITE_AFF_BLOB]; len = sqlite3Strlen30(zType); assert( pCol->affinity==SQLITE_AFF_BLOB + || pCol->affinity==SQLITE_AFF_FLEXNUM || pCol->affinity==sqlite3AffinityType(zType, 0) ); memcpy(&zStmt[k], zType, len); k += len; @@ -119311,6 +120079,7 @@ SQLITE_PRIVATE int sqlite3ShadowTableName(sqlite3 *db, const char *zName){ ** not pass them into code generator routines by mistake. */ static int markImmutableExprStep(Walker *pWalker, Expr *pExpr){ + (void)pWalker; ExprSetVVAProperty(pExpr, EP_Immutable); return WRC_Continue; } @@ -119877,8 +120646,7 @@ static SQLITE_NOINLINE int viewGetColumnNames(Parse *pParse, Table *pTable){ && pTable->nCol==pSel->pEList->nExpr ){ assert( db->mallocFailed==0 ); - sqlite3SelectAddColumnTypeAndCollation(pParse, pTable, pSel, - SQLITE_AFF_NONE); + sqlite3SubqueryColumnTypes(pParse, pTable, pSel, SQLITE_AFF_NONE); } }else{ /* CREATE VIEW name AS... without an argument list. Construct @@ -123444,7 +124212,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( #endif /* SQLITE_OMIT_TRUNCATE_OPTIMIZATION */ { u16 wcf = WHERE_ONEPASS_DESIRED|WHERE_DUPLICATES_OK; - if( sNC.ncFlags & NC_VarSelect ) bComplex = 1; + if( sNC.ncFlags & NC_Subquery ) bComplex = 1; wcf |= (bComplex ? 0 : WHERE_ONEPASS_MULTIROW); if( HasRowid(pTab) ){ /* For a rowid table, initialize the RowSet to an empty set */ @@ -125062,7 +125830,7 @@ SQLITE_PRIVATE void sqlite3QuoteValue(StrAccum *pStr, sqlite3_value *pValue){ } case SQLITE_BLOB: { char const *zBlob = sqlite3_value_blob(pValue); - int nBlob = sqlite3_value_bytes(pValue); + i64 nBlob = sqlite3_value_bytes(pValue); assert( zBlob==sqlite3_value_blob(pValue) ); /* No encoding change */ sqlite3StrAccumEnlarge(pStr, nBlob*2 + 4); if( pStr->accError==0 ){ @@ -125204,6 +125972,96 @@ static void hexFunc( } /* +** Buffer zStr contains nStr bytes of utf-8 encoded text. Return 1 if zStr +** contains character ch, or 0 if it does not. +*/ +static int strContainsChar(const u8 *zStr, int nStr, u32 ch){ + const u8 *zEnd = &zStr[nStr]; + const u8 *z = zStr; + while( z<zEnd ){ + u32 tst = Utf8Read(z); + if( tst==ch ) return 1; + } + return 0; +} + +/* +** The unhex() function. This function may be invoked with either one or +** two arguments. In both cases the first argument is interpreted as text +** a text value containing a set of pairs of hexadecimal digits which are +** decoded and returned as a blob. +** +** If there is only a single argument, then it must consist only of an +** even number of hexadeximal digits. Otherwise, return NULL. +** +** Or, if there is a second argument, then any character that appears in +** the second argument is also allowed to appear between pairs of hexadecimal +** digits in the first argument. If any other character appears in the +** first argument, or if one of the allowed characters appears between +** two hexadecimal digits that make up a single byte, NULL is returned. +** +** The following expressions are all true: +** +** unhex('ABCD') IS x'ABCD' +** unhex('AB CD') IS NULL +** unhex('AB CD', ' ') IS x'ABCD' +** unhex('A BCD', ' ') IS NULL +*/ +static void unhexFunc( + sqlite3_context *pCtx, + int argc, + sqlite3_value **argv +){ + const u8 *zPass = (const u8*)""; + int nPass = 0; + const u8 *zHex = sqlite3_value_text(argv[0]); + int nHex = sqlite3_value_bytes(argv[0]); +#ifdef SQLITE_DEBUG + const u8 *zEnd = zHex ? &zHex[nHex] : 0; +#endif + u8 *pBlob = 0; + u8 *p = 0; + + assert( argc==1 || argc==2 ); + if( argc==2 ){ + zPass = sqlite3_value_text(argv[1]); + nPass = sqlite3_value_bytes(argv[1]); + } + if( !zHex || !zPass ) return; + + p = pBlob = contextMalloc(pCtx, (nHex/2)+1); + if( pBlob ){ + u8 c; /* Most significant digit of next byte */ + u8 d; /* Least significant digit of next byte */ + + while( (c = *zHex)!=0x00 ){ + while( !sqlite3Isxdigit(c) ){ + u32 ch = Utf8Read(zHex); + assert( zHex<=zEnd ); + if( !strContainsChar(zPass, nPass, ch) ) goto unhex_null; + c = *zHex; + if( c==0x00 ) goto unhex_done; + } + zHex++; + assert( *zEnd==0x00 ); + assert( zHex<=zEnd ); + d = *(zHex++); + if( !sqlite3Isxdigit(d) ) goto unhex_null; + *(p++) = (sqlite3HexToInt(c)<<4) | sqlite3HexToInt(d); + } + } + + unhex_done: + sqlite3_result_blob(pCtx, pBlob, (p - pBlob), sqlite3_free); + return; + + unhex_null: + sqlite3_free(pBlob); + return; +} + + +/* ** The zeroblob(N) function returns a zero-filled blob of size N bytes. */ static void zeroblobFunc( @@ -125420,6 +126278,9 @@ static void unknownFunc( sqlite3_value **argv ){ /* no-op */ + (void)context; + (void)argc; + (void)argv; } #endif /*SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION*/ @@ -126049,6 +126910,18 @@ static double xCeil(double x){ return ceil(x); } static double xFloor(double x){ return floor(x); } /* +** Some systems do not have log2() and log10() in their standard math +** libraries. +*/ +#if defined(HAVE_LOG10) && HAVE_LOG10==0 +# define log10(X) (0.4342944819032517867*log(X)) +#endif +#if defined(HAVE_LOG2) && HAVE_LOG2==0 +# define log2(X) (1.442695040888963456*log(X)) +#endif + + +/* ** Implementation of SQL functions: ** ** ln(X) - natural logarithm @@ -126086,17 +126959,15 @@ static void logFunc( } ans = log(x)/b; }else{ - ans = log(x); switch( SQLITE_PTR_TO_INT(sqlite3_user_data(context)) ){ case 1: - /* Convert from natural logarithm to log base 10 */ - ans /= M_LN10; + ans = log10(x); break; case 2: - /* Convert from natural logarithm to log base 2 */ - ans /= M_LN2; + ans = log2(x); break; default: + ans = log(x); break; } } @@ -126165,6 +127036,7 @@ static void piFunc( sqlite3_value **argv ){ assert( argc==0 ); + (void)argv; sqlite3_result_double(context, M_PI); } @@ -126265,6 +127137,8 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(upper, 1, 0, 0, upperFunc ), FUNCTION(lower, 1, 0, 0, lowerFunc ), FUNCTION(hex, 1, 0, 0, hexFunc ), + FUNCTION(unhex, 1, 0, 0, unhexFunc ), + FUNCTION(unhex, 2, 0, 0, unhexFunc ), INLINE_FUNC(ifnull, 2, INLINEFUNC_coalesce, 0 ), VFUNCTION(random, 0, 0, 0, randomFunc ), VFUNCTION(randomblob, 1, 0, 0, randomBlob ), @@ -129649,6 +130523,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( case OE_Fail: { char *zMsg = sqlite3MPrintf(db, "%s.%s", pTab->zName, pCol->zCnName); + testcase( zMsg==0 && db->mallocFailed==0 ); sqlite3VdbeAddOp3(v, OP_HaltIfNull, SQLITE_CONSTRAINT_NOTNULL, onError, iReg); sqlite3VdbeAppendP4(v, zMsg, P4_DYNAMIC); @@ -131540,6 +132415,8 @@ struct sqlite3_api_routines { const char *(*db_name)(sqlite3*,int); /* Version 3.40.0 and later */ int (*value_encoding)(sqlite3_value*); + /* Version 3.41.0 and later */ + int (*is_interrupted)(sqlite3*); }; /* @@ -131866,6 +132743,8 @@ typedef int (*sqlite3_loadext_entry)( #define sqlite3_db_name sqlite3_api->db_name /* Version 3.40.0 and later */ #define sqlite3_value_encoding sqlite3_api->value_encoding +/* Version 3.41.0 and later */ +#define sqlite3_is_interrupted sqlite3_api->is_interrupted #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) @@ -132380,7 +133259,9 @@ static const sqlite3_api_routines sqlite3Apis = { #endif sqlite3_db_name, /* Version 3.40.0 and later */ - sqlite3_value_encoding + sqlite3_value_encoding, + /* Version 3.41.0 and later */ + sqlite3_is_interrupted }; /* True if x is the directory separator character @@ -135217,12 +136098,21 @@ SQLITE_PRIVATE void sqlite3Pragma( ** will also prepopulate the cursor column cache that is used ** by the OP_IsType code, so it is a required step. */ - mxCol = pTab->nCol-1; - while( mxCol>=0 - && ((pTab->aCol[mxCol].colFlags & COLFLAG_VIRTUAL)!=0 - || pTab->iPKey==mxCol) ) mxCol--; + assert( !IsVirtual(pTab) ); + if( HasRowid(pTab) ){ + mxCol = -1; + for(j=0; j<pTab->nCol; j++){ + if( (pTab->aCol[j].colFlags & COLFLAG_VIRTUAL)==0 ) mxCol++; + } + if( mxCol==pTab->iPKey ) mxCol--; + }else{ + /* COLFLAG_VIRTUAL columns are not included in the WITHOUT ROWID + ** PK index column-count, so there is no need to account for them + ** in this case. */ + mxCol = sqlite3PrimaryKeyIndex(pTab)->nColumn-1; + } if( mxCol>=0 ){ - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, mxCol, 3); + sqlite3VdbeAddOp3(v, OP_Column, iDataCur, mxCol, 3); sqlite3VdbeTypeofColumn(v, 3); } @@ -135390,7 +136280,8 @@ SQLITE_PRIVATE void sqlite3Pragma( if( !isQuick ){ /* Omit the remaining tests for quick_check */ /* Validate index entries for the current row */ for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ - int jmp2, jmp3, jmp4, jmp5; + int jmp2, jmp3, jmp4, jmp5, label6; + int kk; int ckUniq = sqlite3VdbeMakeLabel(pParse); if( pPk==pIdx ) continue; r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3, @@ -135408,13 +136299,49 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3); jmp4 = integrityCheckResultRow(v); sqlite3VdbeJumpHere(v, jmp2); + + /* The OP_IdxRowid opcode is an optimized version of OP_Column + ** that extracts the rowid off the end of the index record. + ** But it only works correctly if index record does not have + ** any extra bytes at the end. Verify that this is the case. */ + if( HasRowid(pTab) ){ + int jmp7; + sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur+j, 3); + jmp7 = sqlite3VdbeAddOp3(v, OP_Eq, 3, 0, r1+pIdx->nColumn-1); + VdbeCoverage(v); + sqlite3VdbeLoadString(v, 3, + "rowid not at end-of-record for row "); + sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); + sqlite3VdbeLoadString(v, 4, " of index "); + sqlite3VdbeGoto(v, jmp5-1); + sqlite3VdbeJumpHere(v, jmp7); + } + + /* Any indexed columns with non-BINARY collations must still hold + ** the exact same text value as the table. */ + label6 = 0; + for(kk=0; kk<pIdx->nKeyCol; kk++){ + if( pIdx->azColl[kk]==sqlite3StrBINARY ) continue; + if( label6==0 ) label6 = sqlite3VdbeMakeLabel(pParse); + sqlite3VdbeAddOp3(v, OP_Column, iIdxCur+j, kk, 3); + sqlite3VdbeAddOp3(v, OP_Ne, 3, label6, r1+kk); VdbeCoverage(v); + } + if( label6 ){ + int jmp6 = sqlite3VdbeAddOp0(v, OP_Goto); + sqlite3VdbeResolveLabel(v, label6); + sqlite3VdbeLoadString(v, 3, "row "); + sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); + sqlite3VdbeLoadString(v, 4, " values differ from index "); + sqlite3VdbeGoto(v, jmp5-1); + sqlite3VdbeJumpHere(v, jmp6); + } + /* For UNIQUE indexes, verify that only one entry exists with the ** current key. The entry is unique if (1) any column is NULL ** or (2) the next entry has a different key */ if( IsUniqueIndex(pIdx) ){ int uniqOk = sqlite3VdbeMakeLabel(pParse); int jmp6; - int kk; for(kk=0; kk<pIdx->nKeyCol; kk++){ int iCol = pIdx->aiColumn[kk]; assert( iCol!=XN_ROWID && iCol<pTab->nCol ); @@ -136587,7 +137514,12 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl #else encoding = SQLITE_UTF8; #endif - sqlite3SetTextEncoding(db, encoding); + if( db->nVdbeActive>0 && encoding!=ENC(db) ){ + rc = SQLITE_LOCKED; + goto initone_error_out; + }else{ + sqlite3SetTextEncoding(db, encoding); + } }else{ /* If opening an attached database, the encoding much match ENC(db) */ if( (meta[BTREE_TEXT_ENCODING-1] & 3)!=ENC(db) ){ @@ -136801,8 +137733,8 @@ static void schemaIsValid(Parse *pParse){ sqlite3BtreeGetMeta(pBt, BTREE_SCHEMA_VERSION, (u32 *)&cookie); assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); if( cookie!=db->aDb[iDb].pSchema->schema_cookie ){ + if( DbHasProperty(db, iDb, DB_SchemaLoaded) ) pParse->rc = SQLITE_SCHEMA; sqlite3ResetOneSchema(db, iDb); - pParse->rc = SQLITE_SCHEMA; } /* Close the transaction, if one was opened. */ @@ -137413,6 +138345,10 @@ struct SortCtx { } aDefer[4]; #endif struct RowLoadInfo *pDeferredRowLoad; /* Deferred row loading info or NULL */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrPush; /* First instruction to push data into sorter */ + int addrPushEnd; /* Last instruction that pushes data into sorter */ +#endif }; #define SORTFLAG_UseSorter 0x01 /* Use SorterOpen instead of OpenEphemeral */ @@ -138069,6 +139005,10 @@ static void pushOntoSorter( */ assert( nData==1 || regData==regOrigData || regOrigData==0 ); +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + pSort->addrPush = sqlite3VdbeCurrentAddr(v); +#endif + if( nPrefixReg ){ assert( nPrefixReg==nExpr+bSeq ); regBase = regData - nPrefixReg; @@ -138169,6 +139109,9 @@ static void pushOntoSorter( sqlite3VdbeChangeP2(v, iSkip, pSort->labelOBLopt ? pSort->labelOBLopt : sqlite3VdbeCurrentAddr(v)); } +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + pSort->addrPushEnd = sqlite3VdbeCurrentAddr(v)-1; +#endif } /* @@ -138635,9 +139578,6 @@ static void selectInnerLoop( testcase( eDest==SRT_Fifo ); testcase( eDest==SRT_DistFifo ); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1+nPrefixReg); - if( pDest->zAffSdst ){ - sqlite3VdbeChangeP4(v, -1, pDest->zAffSdst, nResultCol); - } #ifndef SQLITE_OMIT_CTE if( eDest==SRT_DistFifo ){ /* If the destination is DistFifo, then cursor (iParm+1) is open @@ -138995,6 +139935,16 @@ static void generateSortTail( int bSeq; /* True if sorter record includes seq. no. */ int nRefKey = 0; struct ExprList_item *aOutEx = p->pEList->a; +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; /* Address of OP_Explain instruction */ +#endif + + ExplainQueryPlan2(addrExplain, (pParse, 0, + "USE TEMP B-TREE FOR %sORDER BY", pSort->nOBSat>0?"RIGHT PART OF ":"") + ); + sqlite3VdbeScanStatusRange(v, addrExplain,pSort->addrPush,pSort->addrPushEnd); + sqlite3VdbeScanStatusCounters(v, addrExplain, addrExplain, pSort->addrPush); + assert( addrBreak<0 ); if( pSort->labelBkOut ){ @@ -139107,6 +140057,7 @@ static void generateSortTail( VdbeComment((v, "%s", aOutEx[i].zEName)); } } + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); switch( eDest ){ case SRT_Table: case SRT_EphemTab: { @@ -139168,6 +140119,7 @@ static void generateSortTail( }else{ sqlite3VdbeAddOp2(v, OP_Next, iTab, addr); VdbeCoverage(v); } + sqlite3VdbeScanStatusRange(v, addrExplain, sqlite3VdbeCurrentAddr(v)-1, -1); if( pSort->regReturn ) sqlite3VdbeAddOp1(v, OP_Return, pSort->regReturn); sqlite3VdbeResolveLabel(v, addrBreak); } @@ -139439,7 +140391,7 @@ SQLITE_PRIVATE void sqlite3GenerateColumnNames( if( pParse->colNamesSet ) return; /* Column names are determined by the left-most term of a compound select */ while( pSelect->pPrior ) pSelect = pSelect->pPrior; - SELECTTRACE(1,pParse,pSelect,("generating column names\n")); + TREETRACE(0x80,pParse,pSelect,("generating column names\n")); pTabList = pSelect->pSrc; pEList = pSelect->pEList; assert( v!=0 ); @@ -139539,7 +140491,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( *pnCol = nCol; *paCol = aCol; - for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){ + for(i=0, pCol=aCol; i<nCol && !pParse->nErr; i++, pCol++){ struct ExprList_item *pX = &pEList->a[i]; struct ExprList_item *pCollide; /* Get an appropriate name for the column @@ -139589,7 +140541,10 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( if( zName[j]==':' ) nName = j; } zName = sqlite3MPrintf(db, "%.*z:%u", nName, zName, ++cnt); - if( cnt>3 ) sqlite3_randomness(sizeof(cnt), &cnt); + sqlite3ProgressCheck(pParse); + if( cnt>3 ){ + sqlite3_randomness(sizeof(cnt), &cnt); + } } pCol->zCnName = zName; pCol->hName = sqlite3StrIHash(zName); @@ -139602,71 +140557,106 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( } } sqlite3HashClear(&ht); - if( db->mallocFailed ){ + if( pParse->nErr ){ for(j=0; j<i; j++){ sqlite3DbFree(db, aCol[j].zCnName); } sqlite3DbFree(db, aCol); *paCol = 0; *pnCol = 0; - return SQLITE_NOMEM_BKPT; + return pParse->rc; } return SQLITE_OK; } /* -** Add type and collation information to a column list based on -** a SELECT statement. +** pTab is a transient Table object that represents a subquery of some +** kind (maybe a parenthesized subquery in the FROM clause of a larger +** query, or a VIEW, or a CTE). This routine computes type information +** for that Table object based on the Select object that implements the +** subquery. For the purposes of this routine, "type infomation" means: ** -** The column list presumably came from selectColumnNamesFromExprList(). -** The column list has only names, not types or collations. This -** routine goes through and adds the types and collations. -** -** This routine requires that all identifiers in the SELECT -** statement be resolved. +** * The datatype name, as it might appear in a CREATE TABLE statement +** * Which collating sequence to use for the column +** * The affinity of the column */ -SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation( - Parse *pParse, /* Parsing contexts */ - Table *pTab, /* Add column type information to this table */ - Select *pSelect, /* SELECT used to determine types and collations */ - char aff /* Default affinity for columns */ +SQLITE_PRIVATE void sqlite3SubqueryColumnTypes( + Parse *pParse, /* Parsing contexts */ + Table *pTab, /* Add column type information to this table */ + Select *pSelect, /* SELECT used to determine types and collations */ + char aff /* Default affinity. */ ){ sqlite3 *db = pParse->db; - NameContext sNC; Column *pCol; CollSeq *pColl; - int i; + int i,j; Expr *p; struct ExprList_item *a; + NameContext sNC; assert( pSelect!=0 ); assert( (pSelect->selFlags & SF_Resolved)!=0 ); - assert( pTab->nCol==pSelect->pEList->nExpr || db->mallocFailed ); + assert( pTab->nCol==pSelect->pEList->nExpr || pParse->nErr>0 ); + assert( aff==SQLITE_AFF_NONE || aff==SQLITE_AFF_BLOB ); if( db->mallocFailed ) return; + while( pSelect->pPrior ) pSelect = pSelect->pPrior; + a = pSelect->pEList->a; memset(&sNC, 0, sizeof(sNC)); sNC.pSrcList = pSelect->pSrc; - a = pSelect->pEList->a; for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){ const char *zType; - i64 n, m; + i64 n; pTab->tabFlags |= (pCol->colFlags & COLFLAG_NOINSERT); p = a[i].pExpr; - zType = columnType(&sNC, p, 0, 0, 0); /* pCol->szEst = ... // Column size est for SELECT tables never used */ pCol->affinity = sqlite3ExprAffinity(p); - if( zType ){ - m = sqlite3Strlen30(zType); - n = sqlite3Strlen30(pCol->zCnName); - pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2); - if( pCol->zCnName ){ - memcpy(&pCol->zCnName[n+1], zType, m+1); - pCol->colFlags |= COLFLAG_HASTYPE; + if( pCol->affinity<=SQLITE_AFF_NONE ){ + pCol->affinity = aff; + } + if( pCol->affinity>=SQLITE_AFF_TEXT && pSelect->pNext ){ + int m = 0; + Select *pS2; + for(m=0, pS2=pSelect->pNext; pS2; pS2=pS2->pNext){ + m |= sqlite3ExprDataType(pS2->pEList->a[i].pExpr); + } + if( pCol->affinity==SQLITE_AFF_TEXT && (m&0x01)!=0 ){ + pCol->affinity = SQLITE_AFF_BLOB; + }else + if( pCol->affinity>=SQLITE_AFF_NUMERIC && (m&0x02)!=0 ){ + pCol->affinity = SQLITE_AFF_BLOB; + } + if( pCol->affinity>=SQLITE_AFF_NUMERIC && p->op==TK_CAST ){ + pCol->affinity = SQLITE_AFF_FLEXNUM; + } + } + zType = columnType(&sNC, p, 0, 0, 0); + if( zType==0 || pCol->affinity!=sqlite3AffinityType(zType, 0) ){ + if( pCol->affinity==SQLITE_AFF_NUMERIC + || pCol->affinity==SQLITE_AFF_FLEXNUM + ){ + zType = "NUM"; }else{ - testcase( pCol->colFlags & COLFLAG_HASTYPE ); + zType = 0; + for(j=1; j<SQLITE_N_STDTYPE; j++){ + if( sqlite3StdTypeAffinity[j]==pCol->affinity ){ + zType = sqlite3StdType[j]; + break; + } + } + } + } + if( zType ){ + i64 m = sqlite3Strlen30(zType); + n = sqlite3Strlen30(pCol->zCnName); + pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2); + if( pCol->zCnName ){ + memcpy(&pCol->zCnName[n+1], zType, m+1); + pCol->colFlags |= COLFLAG_HASTYPE; + }else{ + testcase( pCol->colFlags & COLFLAG_HASTYPE ); pCol->colFlags &= ~(COLFLAG_HASTYPE|COLFLAG_HASCOLL); } } - if( pCol->affinity<=SQLITE_AFF_NONE ) pCol->affinity = aff; pColl = sqlite3ExprCollSeq(pParse, p); if( pColl ){ assert( pTab->pIndex==0 ); @@ -139700,7 +140690,7 @@ SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse *pParse, Select *pSelect, c pTab->zName = 0; pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) ); sqlite3ColumnsFromExprList(pParse, pSelect->pEList, &pTab->nCol, &pTab->aCol); - sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSelect, aff); + sqlite3SubqueryColumnTypes(pParse, pTab, pSelect, aff); pTab->iPKey = -1; if( db->mallocFailed ){ sqlite3DeleteTable(db, pTab); @@ -140225,7 +141215,7 @@ static int multiSelect( pPrior->iLimit = p->iLimit; pPrior->iOffset = p->iOffset; pPrior->pLimit = p->pLimit; - SELECTTRACE(1, pParse, p, ("multiSelect UNION ALL left...\n")); + TREETRACE(0x200, pParse, p, ("multiSelect UNION ALL left...\n")); rc = sqlite3Select(pParse, pPrior, &dest); pPrior->pLimit = 0; if( rc ){ @@ -140243,7 +141233,7 @@ static int multiSelect( } } ExplainQueryPlan((pParse, 1, "UNION ALL")); - SELECTTRACE(1, pParse, p, ("multiSelect UNION ALL right...\n")); + TREETRACE(0x200, pParse, p, ("multiSelect UNION ALL right...\n")); rc = sqlite3Select(pParse, p, &dest); testcase( rc!=SQLITE_OK ); pDelete = p->pPrior; @@ -140296,7 +141286,7 @@ static int multiSelect( */ assert( !pPrior->pOrderBy ); sqlite3SelectDestInit(&uniondest, priorOp, unionTab); - SELECTTRACE(1, pParse, p, ("multiSelect EXCEPT/UNION left...\n")); + TREETRACE(0x200, pParse, p, ("multiSelect EXCEPT/UNION left...\n")); rc = sqlite3Select(pParse, pPrior, &uniondest); if( rc ){ goto multi_select_end; @@ -140316,7 +141306,7 @@ static int multiSelect( uniondest.eDest = op; ExplainQueryPlan((pParse, 1, "%s USING TEMP B-TREE", sqlite3SelectOpName(p->op))); - SELECTTRACE(1, pParse, p, ("multiSelect EXCEPT/UNION right...\n")); + TREETRACE(0x200, pParse, p, ("multiSelect EXCEPT/UNION right...\n")); rc = sqlite3Select(pParse, p, &uniondest); testcase( rc!=SQLITE_OK ); assert( p->pOrderBy==0 ); @@ -140377,7 +141367,7 @@ static int multiSelect( /* Code the SELECTs to our left into temporary table "tab1". */ sqlite3SelectDestInit(&intersectdest, SRT_Union, tab1); - SELECTTRACE(1, pParse, p, ("multiSelect INTERSECT left...\n")); + TREETRACE(0x400, pParse, p, ("multiSelect INTERSECT left...\n")); rc = sqlite3Select(pParse, pPrior, &intersectdest); if( rc ){ goto multi_select_end; @@ -140394,7 +141384,7 @@ static int multiSelect( intersectdest.iSDParm = tab2; ExplainQueryPlan((pParse, 1, "%s USING TEMP B-TREE", sqlite3SelectOpName(p->op))); - SELECTTRACE(1, pParse, p, ("multiSelect INTERSECT right...\n")); + TREETRACE(0x400, pParse, p, ("multiSelect INTERSECT right...\n")); rc = sqlite3Select(pParse, p, &intersectdest); testcase( rc!=SQLITE_OK ); pDelete = p->pPrior; @@ -141152,7 +142142,9 @@ static Expr *substExpr( sqlite3VectorErrorMsg(pSubst->pParse, pCopy); }else{ sqlite3 *db = pSubst->pParse->db; - if( pSubst->isOuterJoin && pCopy->op!=TK_COLUMN ){ + if( pSubst->isOuterJoin + && (pCopy->op!=TK_COLUMN || pCopy->iTable!=pSubst->iNewTable) + ){ memset(&ifNullRow, 0, sizeof(ifNullRow)); ifNullRow.op = TK_IF_NULL_ROW; ifNullRow.pLeft = pCopy; @@ -141398,6 +142390,34 @@ static ExprList *findLeftmostExprlist(Select *pSel){ return pSel->pEList; } +/* +** Return true if any of the result-set columns in the compound query +** have incompatible affinities on one or more arms of the compound. +*/ +static int compoundHasDifferentAffinities(Select *p){ + int ii; + ExprList *pList; + assert( p!=0 ); + assert( p->pEList!=0 ); + assert( p->pPrior!=0 ); + pList = p->pEList; + for(ii=0; ii<pList->nExpr; ii++){ + char aff; + Select *pSub1; + assert( pList->a[ii].pExpr!=0 ); + aff = sqlite3ExprAffinity(pList->a[ii].pExpr); + for(pSub1=p->pPrior; pSub1; pSub1=pSub1->pPrior){ + assert( pSub1->pEList!=0 ); + assert( pSub1->pEList->nExpr>ii ); + assert( pSub1->pEList->a[ii].pExpr!=0 ); + if( sqlite3ExprAffinity(pSub1->pEList->a[ii].pExpr)!=aff ){ + return 1; + } + } + } + return 0; +} + #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** This routine attempts to flatten subqueries as a performance optimization. @@ -141501,7 +142521,8 @@ static ExprList *findLeftmostExprlist(Select *pSel){ ** query or there are no RIGHT or FULL JOINs in any arm ** of the subquery. (This is a duplicate of condition (27b).) ** (17h) The corresponding result set expressions in all arms of the -** compound must have the same affinity. +** compound must have the same affinity. (See restriction (9) +** on the push-down optimization.) ** ** The parent and sub-query may contain WHERE clauses. Subject to ** rules (11), (13) and (14), they may also contain ORDER BY, @@ -141720,19 +142741,7 @@ static int flattenSubquery( if( (p->selFlags & SF_Recursive) ) return 0; /* Restriction (17h) */ - for(ii=0; ii<pSub->pEList->nExpr; ii++){ - char aff; - assert( pSub->pEList->a[ii].pExpr!=0 ); - aff = sqlite3ExprAffinity(pSub->pEList->a[ii].pExpr); - for(pSub1=pSub->pPrior; pSub1; pSub1=pSub1->pPrior){ - assert( pSub1->pEList!=0 ); - assert( pSub1->pEList->nExpr>ii ); - assert( pSub1->pEList->a[ii].pExpr!=0 ); - if( sqlite3ExprAffinity(pSub1->pEList->a[ii].pExpr)!=aff ){ - return 0; - } - } - } + if( compoundHasDifferentAffinities(pSub) ) return 0; if( pSrc->nSrc>1 ){ if( pParse->nSelect>500 ) return 0; @@ -141743,7 +142752,7 @@ static int flattenSubquery( } /***** If we reach this point, flattening is permitted. *****/ - SELECTTRACE(1,pParse,p,("flatten %u.%p from term %d\n", + TREETRACE(0x4,pParse,p,("flatten %u.%p from term %d\n", pSub->selId, pSub, iFrom)); /* Authorize the subquery */ @@ -141822,7 +142831,7 @@ static int flattenSubquery( if( pPrior ) pPrior->pNext = pNew; pNew->pNext = p; p->pPrior = pNew; - SELECTTRACE(2,pParse,p,("compound-subquery flattener" + TREETRACE(0x4,pParse,p,("compound-subquery flattener" " creates %u as peer\n",pNew->selId)); } assert( pSubitem->pSelect==0 ); @@ -142002,8 +143011,8 @@ static int flattenSubquery( sqlite3SelectDelete(db, pSub1); #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p,("After flattening:\n")); + if( sqlite3TreeTrace & 0x4 ){ + TREETRACE(0x4,pParse,p,("After flattening:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -142377,12 +143386,14 @@ static int pushDownWindowCheck(Parse *pParse, Select *pSubq, Expr *pExpr){ ** be materialized. (This restriction is implemented in the calling ** routine.) ** -** (8) The subquery may not be a compound that uses UNION, INTERSECT, -** or EXCEPT. (We could, perhaps, relax this restriction to allow -** this case if none of the comparisons operators between left and -** right arms of the compound use a collation other than BINARY. -** But it is a lot of work to check that case for an obscure and -** minor optimization, so we omit it for now.) +** (8) If the subquery is a compound that uses UNION, INTERSECT, +** or EXCEPT, then all of the result set columns for all arms of +** the compound must use the BINARY collating sequence. +** +** (9) If the subquery is a compound, then all arms of the compound must +** have the same affinity. (This is the same as restriction (17h) +** for query flattening.) +** ** ** Return 0 if no changes are made and non-zero if one or more WHERE clause ** terms are duplicated into the subquery. @@ -142399,20 +143410,44 @@ static int pushDownWhereTerms( if( pSubq->selFlags & (SF_Recursive|SF_MultiPart) ) return 0; if( pSrc->fg.jointype & (JT_LTORJ|JT_RIGHT) ) return 0; -#ifndef SQLITE_OMIT_WINDOWFUNC if( pSubq->pPrior ){ Select *pSel; + int notUnionAll = 0; for(pSel=pSubq; pSel; pSel=pSel->pPrior){ u8 op = pSel->op; assert( op==TK_ALL || op==TK_SELECT || op==TK_UNION || op==TK_INTERSECT || op==TK_EXCEPT ); - if( op!=TK_ALL && op!=TK_SELECT ) return 0; /* restriction (8) */ + if( op!=TK_ALL && op!=TK_SELECT ){ + notUnionAll = 1; + } +#ifndef SQLITE_OMIT_WINDOWFUNC if( pSel->pWin ) return 0; /* restriction (6b) */ +#endif + } + if( compoundHasDifferentAffinities(pSubq) ){ + return 0; /* restriction (9) */ + } + if( notUnionAll ){ + /* If any of the compound arms are connected using UNION, INTERSECT, + ** or EXCEPT, then we must ensure that none of the columns use a + ** non-BINARY collating sequence. */ + for(pSel=pSubq; pSel; pSel=pSel->pPrior){ + int ii; + const ExprList *pList = pSel->pEList; + assert( pList!=0 ); + for(ii=0; ii<pList->nExpr; ii++){ + CollSeq *pColl = sqlite3ExprCollSeq(pParse, pList->a[ii].pExpr); + if( !sqlite3IsBinary(pColl) ){ + return 0; /* Restriction (8) */ + } + } + } } }else{ +#ifndef SQLITE_OMIT_WINDOWFUNC if( pSubq->pWin && pSubq->pWin->pPartition==0 ) return 0; - } #endif + } #ifdef SQLITE_DEBUG /* Only the first term of a compound can have a WITH clause. But make @@ -142874,9 +143909,6 @@ static int resolveFromTermToCte( pFrom->fg.isCte = 1; pFrom->u2.pCteUse = pCteUse; pCteUse->nUse++; - if( pCteUse->nUse>=2 && pCteUse->eM10d==M10d_Any ){ - pCteUse->eM10d = M10d_Yes; - } /* Check if this is a recursive CTE. */ pRecTerm = pSel = pFrom->pSelect; @@ -143416,8 +144448,8 @@ static int selectExpander(Walker *pWalker, Select *p){ } } #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p,("After result-set wildcard expansion:\n")); + if( sqlite3TreeTrace & 0x8 ){ + TREETRACE(0x8,pParse,p,("After result-set wildcard expansion:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -143468,14 +144500,14 @@ static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){ ** This is a Walker.xSelectCallback callback for the sqlite3SelectTypeInfo() ** interface. ** -** For each FROM-clause subquery, add Column.zType and Column.zColl -** information to the Table structure that represents the result set -** of that subquery. +** For each FROM-clause subquery, add Column.zType, Column.zColl, and +** Column.affinity information to the Table structure that represents +** the result set of that subquery. ** ** The Table structure that represents the result set was constructed -** by selectExpander() but the type and collation information was omitted -** at that point because identifiers had not yet been resolved. This -** routine is called after identifier resolution. +** by selectExpander() but the type and collation and affinity information +** was omitted at that point because identifiers had not yet been resolved. +** This routine is called after identifier resolution. */ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ Parse *pParse; @@ -143495,9 +144527,7 @@ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ /* A sub-query in the FROM clause of a SELECT */ Select *pSel = pFrom->pSelect; if( pSel ){ - while( pSel->pPrior ) pSel = pSel->pPrior; - sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSel, - SQLITE_AFF_NONE); + sqlite3SubqueryColumnTypes(pParse, pTab, pSel, SQLITE_AFF_NONE); } } } @@ -143552,6 +144582,175 @@ SQLITE_PRIVATE void sqlite3SelectPrep( sqlite3SelectAddTypeInfo(pParse, p); } +#if TREETRACE_ENABLED +/* +** Display all information about an AggInfo object +*/ +static void printAggInfo(AggInfo *pAggInfo){ + int ii; + for(ii=0; ii<pAggInfo->nColumn; ii++){ + struct AggInfo_col *pCol = &pAggInfo->aCol[ii]; + sqlite3DebugPrintf( + "agg-column[%d] pTab=%s iTable=%d iColumn=%d iMem=%d" + " iSorterColumn=%d %s\n", + ii, pCol->pTab ? pCol->pTab->zName : "NULL", + pCol->iTable, pCol->iColumn, pAggInfo->iFirstReg+ii, + pCol->iSorterColumn, + ii>=pAggInfo->nAccumulator ? "" : " Accumulator"); + sqlite3TreeViewExpr(0, pAggInfo->aCol[ii].pCExpr, 0); + } + for(ii=0; ii<pAggInfo->nFunc; ii++){ + sqlite3DebugPrintf("agg-func[%d]: iMem=%d\n", + ii, pAggInfo->iFirstReg+pAggInfo->nColumn+ii); + sqlite3TreeViewExpr(0, pAggInfo->aFunc[ii].pFExpr, 0); + } +} +#endif /* TREETRACE_ENABLED */ + +/* +** Analyze the arguments to aggregate functions. Create new pAggInfo->aCol[] +** entries for columns that are arguments to aggregate functions but which +** are not otherwise used. +** +** The aCol[] entries in AggInfo prior to nAccumulator are columns that +** are referenced outside of aggregate functions. These might be columns +** that are part of the GROUP by clause, for example. Other database engines +** would throw an error if there is a column reference that is not in the +** GROUP BY clause and that is not part of an aggregate function argument. +** But SQLite allows this. +** +** The aCol[] entries beginning with the aCol[nAccumulator] and following +** are column references that are used exclusively as arguments to +** aggregate functions. This routine is responsible for computing +** (or recomputing) those aCol[] entries. +*/ +static void analyzeAggFuncArgs( + AggInfo *pAggInfo, + NameContext *pNC +){ + int i; + assert( pAggInfo!=0 ); + assert( pAggInfo->iFirstReg==0 ); + pNC->ncFlags |= NC_InAggFunc; + for(i=0; i<pAggInfo->nFunc; i++){ + Expr *pExpr = pAggInfo->aFunc[i].pFExpr; + assert( ExprUseXList(pExpr) ); + sqlite3ExprAnalyzeAggList(pNC, pExpr->x.pList); +#ifndef SQLITE_OMIT_WINDOWFUNC + assert( !IsWindowFunc(pExpr) ); + if( ExprHasProperty(pExpr, EP_WinFunc) ){ + sqlite3ExprAnalyzeAggregates(pNC, pExpr->y.pWin->pFilter); + } +#endif + } + pNC->ncFlags &= ~NC_InAggFunc; +} + +/* +** An index on expressions is being used in the inner loop of an +** aggregate query with a GROUP BY clause. This routine attempts +** to adjust the AggInfo object to take advantage of index and to +** perhaps use the index as a covering index. +** +*/ +static void optimizeAggregateUseOfIndexedExpr( + Parse *pParse, /* Parsing context */ + Select *pSelect, /* The SELECT statement being processed */ + AggInfo *pAggInfo, /* The aggregate info */ + NameContext *pNC /* Name context used to resolve agg-func args */ +){ + assert( pAggInfo->iFirstReg==0 ); + assert( pSelect!=0 ); + assert( pSelect->pGroupBy!=0 ); + pAggInfo->nColumn = pAggInfo->nAccumulator; + if( ALWAYS(pAggInfo->nSortingColumn>0) ){ + if( pAggInfo->nColumn==0 ){ + pAggInfo->nSortingColumn = pSelect->pGroupBy->nExpr; + }else{ + pAggInfo->nSortingColumn = + pAggInfo->aCol[pAggInfo->nColumn-1].iSorterColumn+1; + } + } + analyzeAggFuncArgs(pAggInfo, pNC); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20 ){ + IndexedExpr *pIEpr; + TREETRACE(0x20, pParse, pSelect, + ("AggInfo (possibly) adjusted for Indexed Exprs\n")); + sqlite3TreeViewSelect(0, pSelect, 0); + for(pIEpr=pParse->pIdxEpr; pIEpr; pIEpr=pIEpr->pIENext){ + printf("data-cursor=%d index={%d,%d}\n", + pIEpr->iDataCur, pIEpr->iIdxCur, pIEpr->iIdxCol); + sqlite3TreeViewExpr(0, pIEpr->pExpr, 0); + } + printAggInfo(pAggInfo); + } +#else + UNUSED_PARAMETER(pSelect); + UNUSED_PARAMETER(pParse); +#endif +} + +/* +** Walker callback for aggregateConvertIndexedExprRefToColumn(). +*/ +static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){ + AggInfo *pAggInfo; + struct AggInfo_col *pCol; + UNUSED_PARAMETER(pWalker); + if( pExpr->pAggInfo==0 ) return WRC_Continue; + if( pExpr->op==TK_AGG_COLUMN ) return WRC_Continue; + if( pExpr->op==TK_AGG_FUNCTION ) return WRC_Continue; + if( pExpr->op==TK_IF_NULL_ROW ) return WRC_Continue; + pAggInfo = pExpr->pAggInfo; + assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn ); + pCol = &pAggInfo->aCol[pExpr->iAgg]; + pExpr->op = TK_AGG_COLUMN; + pExpr->iTable = pCol->iTable; + pExpr->iColumn = pCol->iColumn; + return WRC_Prune; +} + +/* +** Convert every pAggInfo->aFunc[].pExpr such that any node within +** those expressions that has pAppInfo set is changed into a TK_AGG_COLUMN +** opcode. +*/ +static void aggregateConvertIndexedExprRefToColumn(AggInfo *pAggInfo){ + int i; + Walker w; + memset(&w, 0, sizeof(w)); + w.xExprCallback = aggregateIdxEprRefToColCallback; + for(i=0; i<pAggInfo->nFunc; i++){ + sqlite3WalkExpr(&w, pAggInfo->aFunc[i].pFExpr); + } +} + + +/* +** Allocate a block of registers so that there is one register for each +** pAggInfo->aCol[] and pAggInfo->aFunc[] entry in pAggInfo. The first +** register in this block is stored in pAggInfo->iFirstReg. +** +** This routine may only be called once for each AggInfo object. Prior +** to calling this routine: +** +** * The aCol[] and aFunc[] arrays may be modified +** * The AggInfoColumnReg() and AggInfoFuncReg() macros may not be used +** +** After clling this routine: +** +** * The aCol[] and aFunc[] arrays are fixed +** * The AggInfoColumnReg() and AggInfoFuncReg() macros may be used +** +*/ +static void assignAggregateRegisters(Parse *pParse, AggInfo *pAggInfo){ + assert( pAggInfo!=0 ); + assert( pAggInfo->iFirstReg==0 ); + pAggInfo->iFirstReg = pParse->nMem + 1; + pParse->nMem += pAggInfo->nColumn + pAggInfo->nFunc; +} + /* ** Reset the aggregate accumulator. ** @@ -143565,24 +144764,13 @@ static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){ int i; struct AggInfo_func *pFunc; int nReg = pAggInfo->nFunc + pAggInfo->nColumn; + assert( pAggInfo->iFirstReg>0 ); assert( pParse->db->pParse==pParse ); assert( pParse->db->mallocFailed==0 || pParse->nErr!=0 ); if( nReg==0 ) return; if( pParse->nErr ) return; -#ifdef SQLITE_DEBUG - /* Verify that all AggInfo registers are within the range specified by - ** AggInfo.mnReg..AggInfo.mxReg */ - assert( nReg==pAggInfo->mxReg-pAggInfo->mnReg+1 ); - for(i=0; i<pAggInfo->nColumn; i++){ - assert( pAggInfo->aCol[i].iMem>=pAggInfo->mnReg - && pAggInfo->aCol[i].iMem<=pAggInfo->mxReg ); - } - for(i=0; i<pAggInfo->nFunc; i++){ - assert( pAggInfo->aFunc[i].iMem>=pAggInfo->mnReg - && pAggInfo->aFunc[i].iMem<=pAggInfo->mxReg ); - } -#endif - sqlite3VdbeAddOp3(v, OP_Null, 0, pAggInfo->mnReg, pAggInfo->mxReg); + sqlite3VdbeAddOp3(v, OP_Null, 0, pAggInfo->iFirstReg, + pAggInfo->iFirstReg+nReg-1); for(pFunc=pAggInfo->aFunc, i=0; i<pAggInfo->nFunc; i++, pFunc++){ if( pFunc->iDistinct>=0 ){ Expr *pE = pFunc->pFExpr; @@ -143614,15 +144802,16 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){ ExprList *pList; assert( ExprUseXList(pF->pFExpr) ); pList = pF->pFExpr->x.pList; - sqlite3VdbeAddOp2(v, OP_AggFinal, pF->iMem, pList ? pList->nExpr : 0); + sqlite3VdbeAddOp2(v, OP_AggFinal, AggInfoFuncReg(pAggInfo,i), + pList ? pList->nExpr : 0); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); } } /* -** Update the accumulator memory cells for an aggregate based on -** the current cursor position. +** Generate code that will update the accumulator memory cells for an +** aggregate based on the current cursor position. ** ** If regAcc is non-zero and there are no min() or max() aggregates ** in pAggInfo, then only populate the pAggInfo->nAccumulator accumulator @@ -143642,6 +144831,8 @@ static void updateAccumulator( struct AggInfo_func *pF; struct AggInfo_col *pC; + assert( pAggInfo->iFirstReg>0 ); + if( pParse->nErr ) return; pAggInfo->directMode = 1; for(i=0, pF=pAggInfo->aFunc; i<pAggInfo->nFunc; i++, pF++){ int nArg; @@ -143702,7 +144893,7 @@ static void updateAccumulator( if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem; sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0, (char *)pColl, P4_COLLSEQ); } - sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, pF->iMem); + sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i)); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nArg); sqlite3ReleaseTempRange(pParse, regAgg, nArg); @@ -143717,7 +144908,7 @@ static void updateAccumulator( addrHitTest = sqlite3VdbeAddOp1(v, OP_If, regHit); VdbeCoverage(v); } for(i=0, pC=pAggInfo->aCol; i<pAggInfo->nAccumulator; i++, pC++){ - sqlite3ExprCode(pParse, pC->pCExpr, pC->iMem); + sqlite3ExprCode(pParse, pC->pCExpr, AggInfoColumnReg(pAggInfo,i)); } pAggInfo->directMode = 0; @@ -143813,26 +145004,31 @@ static void havingToWhere(Parse *pParse, Select *p){ sqlite3WalkExpr(&sWalker, p->pHaving); #if TREETRACE_ENABLED if( sWalker.eCode && (sqlite3TreeTrace & 0x100)!=0 ){ - SELECTTRACE(0x100,pParse,p,("Move HAVING terms into WHERE:\n")); + TREETRACE(0x100,pParse,p,("Move HAVING terms into WHERE:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif } /* -** Check to see if the pThis entry of pTabList is a self-join of a prior view. -** If it is, then return the SrcItem for the prior view. If it is not, -** then return 0. +** Check to see if the pThis entry of pTabList is a self-join of another view. +** Search FROM-clause entries in the range of iFirst..iEnd, including iFirst +** but stopping before iEnd. +** +** If pThis is a self-join, then return the SrcItem for the first other +** instance of that view found. If pThis is not a self-join then return 0. */ static SrcItem *isSelfJoinView( SrcList *pTabList, /* Search for self-joins in this FROM clause */ - SrcItem *pThis /* Search for prior reference to this subquery */ + SrcItem *pThis, /* Search for prior reference to this subquery */ + int iFirst, int iEnd /* Range of FROM-clause entries to search. */ ){ SrcItem *pItem; assert( pThis->pSelect!=0 ); if( pThis->pSelect->selFlags & SF_PushDown ) return 0; - for(pItem = pTabList->a; pItem<pThis; pItem++){ + while( iFirst<iEnd ){ Select *pS1; + pItem = &pTabList->a[iFirst++]; if( pItem->pSelect==0 ) continue; if( pItem->fg.viaCoroutine ) continue; if( pItem->zName==0 ) continue; @@ -143894,6 +145090,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ if( p->pEList->nExpr!=1 ) return 0; /* Single result column */ if( p->pWhere ) return 0; if( p->pGroupBy ) return 0; + if( p->pOrderBy ) return 0; pExpr = p->pEList->a[0].pExpr; if( pExpr->op!=TK_AGG_FUNCTION ) return 0; /* Result is an aggregate */ assert( ExprUseUToken(pExpr) ); @@ -143901,9 +145098,11 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ assert( ExprUseXList(pExpr) ); if( pExpr->x.pList!=0 ) return 0; /* Must be count(*) */ if( p->pSrc->nSrc!=1 ) return 0; /* One table in FROM */ + if( ExprHasProperty(pExpr, EP_WinFunc) ) return 0;/* Not a window function */ pSub = p->pSrc->a[0].pSelect; if( pSub==0 ) return 0; /* The FROM is a subquery */ - if( pSub->pPrior==0 ) return 0; /* Must be a compound ry */ + if( pSub->pPrior==0 ) return 0; /* Must be a compound */ + if( pSub->selFlags & SF_CopyCte ) return 0; /* Not a CTE */ do{ if( pSub->op!=TK_ALL && pSub->pPrior ) return 0; /* Must be UNION ALL */ if( pSub->pWhere ) return 0; /* No WHERE clause */ @@ -143945,8 +145144,8 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ p->selFlags &= ~SF_Aggregate; #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("After count-of-view optimization:\n")); + if( sqlite3TreeTrace & 0x200 ){ + TREETRACE(0x200,pParse,p,("After count-of-view optimization:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -143978,6 +145177,68 @@ static int sameSrcAlias(SrcItem *p0, SrcList *pSrc){ } /* +** Return TRUE (non-zero) if the i-th entry in the pTabList SrcList can +** be implemented as a co-routine. The i-th entry is guaranteed to be +** a subquery. +** +** The subquery is implemented as a co-routine if all of the following are +** true: +** +** (1) The subquery will likely be implemented in the outer loop of +** the query. This will be the case if any one of the following +** conditions hold: +** (a) The subquery is the only term in the FROM clause +** (b) The subquery is the left-most term and a CROSS JOIN or similar +** requires it to be the outer loop +** (c) All of the following are true: +** (i) The subquery is the left-most subquery in the FROM clause +** (ii) There is nothing that would prevent the subquery from +** being used as the outer loop if the sqlite3WhereBegin() +** routine nominates it to that position. +** (iii) The query is not a UPDATE ... FROM +** (2) The subquery is not a CTE that should be materialized because +** (a) the AS MATERIALIZED keyword is used, or +** (b) the CTE is used multiple times and does not have the +** NOT MATERIALIZED keyword +** (3) The subquery is not part of a left operand for a RIGHT JOIN +** (4) The SQLITE_Coroutine optimization disable flag is not set +** (5) The subquery is not self-joined +*/ +static int fromClauseTermCanBeCoroutine( + Parse *pParse, /* Parsing context */ + SrcList *pTabList, /* FROM clause */ + int i, /* Which term of the FROM clause holds the subquery */ + int selFlags /* Flags on the SELECT statement */ +){ + SrcItem *pItem = &pTabList->a[i]; + if( pItem->fg.isCte ){ + const CteUse *pCteUse = pItem->u2.pCteUse; + if( pCteUse->eM10d==M10d_Yes ) return 0; /* (2a) */ + if( pCteUse->nUse>=2 && pCteUse->eM10d!=M10d_No ) return 0; /* (2b) */ + } + if( pTabList->a[0].fg.jointype & JT_LTORJ ) return 0; /* (3) */ + if( OptimizationDisabled(pParse->db, SQLITE_Coroutines) ) return 0; /* (4) */ + if( isSelfJoinView(pTabList, pItem, i+1, pTabList->nSrc)!=0 ){ + return 0; /* (5) */ + } + if( i==0 ){ + if( pTabList->nSrc==1 ) return 1; /* (1a) */ + if( pTabList->a[1].fg.jointype & JT_CROSS ) return 1; /* (1b) */ + if( selFlags & SF_UpdateFrom ) return 0; /* (1c-iii) */ + return 1; + } + if( selFlags & SF_UpdateFrom ) return 0; /* (1c-iii) */ + while( 1 /*exit-by-break*/ ){ + if( pItem->fg.jointype & (JT_OUTER|JT_CROSS) ) return 0; /* (1c-ii) */ + if( i==0 ) break; + i--; + pItem--; + if( pItem->pSelect!=0 ) return 0; /* (1c-i) */ + } + return 1; +} + +/* ** Generate code for the SELECT statement given in the p argument. ** ** The results are returned according to the SelectDest structure. @@ -144022,8 +145283,8 @@ SQLITE_PRIVATE int sqlite3Select( assert( db->mallocFailed==0 ); if( sqlite3AuthCheck(pParse, SQLITE_SELECT, 0, 0, 0) ) return 1; #if TREETRACE_ENABLED - SELECTTRACE(1,pParse,p, ("begin processing:\n", pParse->addrExplain)); - if( sqlite3TreeTrace & 0x10100 ){ + TREETRACE(0x1,pParse,p, ("begin processing:\n", pParse->addrExplain)); + if( sqlite3TreeTrace & 0x10000 ){ if( (sqlite3TreeTrace & 0x10001)==0x10000 ){ sqlite3TreeViewLine(0, "In sqlite3Select() at %s:%d", __FILE__, __LINE__); @@ -144043,8 +145304,8 @@ SQLITE_PRIVATE int sqlite3Select( /* All of these destinations are also able to ignore the ORDER BY clause */ if( p->pOrderBy ){ #if TREETRACE_ENABLED - SELECTTRACE(1,pParse,p, ("dropping superfluous ORDER BY:\n")); - if( sqlite3TreeTrace & 0x100 ){ + TREETRACE(0x800,pParse,p, ("dropping superfluous ORDER BY:\n")); + if( sqlite3TreeTrace & 0x800 ){ sqlite3TreeViewExprList(0, p->pOrderBy, 0, "ORDERBY"); } #endif @@ -144064,8 +145325,8 @@ SQLITE_PRIVATE int sqlite3Select( assert( db->mallocFailed==0 ); assert( p->pEList!=0 ); #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x104 ){ - SELECTTRACE(0x104,pParse,p, ("after name resolution:\n")); + if( sqlite3TreeTrace & 0x10 ){ + TREETRACE(0x10,pParse,p, ("after name resolution:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -144106,8 +145367,8 @@ SQLITE_PRIVATE int sqlite3Select( goto select_end; } #if TREETRACE_ENABLED - if( p->pWin && (sqlite3TreeTrace & 0x108)!=0 ){ - SELECTTRACE(0x104,pParse,p, ("after window rewrite:\n")); + if( p->pWin && (sqlite3TreeTrace & 0x40)!=0 ){ + TREETRACE(0x40,pParse,p, ("after window rewrite:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -144138,7 +145399,7 @@ SQLITE_PRIVATE int sqlite3Select( && sqlite3ExprImpliesNonNullRow(p->pWhere, pItem->iCursor) && OptimizationEnabled(db, SQLITE_SimplifyJoin) ){ - SELECTTRACE(0x100,pParse,p, + TREETRACE(0x1000,pParse,p, ("LEFT-JOIN simplifies to JOIN on term %d\n",i)); pItem->fg.jointype &= ~(JT_LEFT|JT_OUTER); assert( pItem->iCursor>=0 ); @@ -144194,7 +145455,7 @@ SQLITE_PRIVATE int sqlite3Select( && (p->selFlags & SF_OrderByReqd)==0 /* Condition (3) and (4) */ && OptimizationEnabled(db, SQLITE_OmitOrderBy) ){ - SELECTTRACE(0x100,pParse,p, + TREETRACE(0x800,pParse,p, ("omit superfluous ORDER BY on %r FROM-clause subquery\n",i+1)); sqlite3ParserAddCleanup(pParse, (void(*)(sqlite3*,void*))sqlite3ExprListDelete, @@ -144249,8 +145510,8 @@ SQLITE_PRIVATE int sqlite3Select( if( p->pPrior ){ rc = multiSelect(pParse, p, pDest); #if TREETRACE_ENABLED - SELECTTRACE(0x1,pParse,p,("end compound-select processing\n")); - if( (sqlite3TreeTrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ + TREETRACE(0x400,pParse,p,("end compound-select processing\n")); + if( (sqlite3TreeTrace & 0x400)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -144270,13 +145531,13 @@ SQLITE_PRIVATE int sqlite3Select( && propagateConstants(pParse, p) ){ #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p,("After constant propagation:\n")); + if( sqlite3TreeTrace & 0x2000 ){ + TREETRACE(0x2000,pParse,p,("After constant propagation:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif }else{ - SELECTTRACE(0x100,pParse,p,("Constant propagation not helpful\n")); + TREETRACE(0x2000,pParse,p,("Constant propagation not helpful\n")); } #ifdef SQLITE_COUNTOFVIEW_OPTIMIZATION @@ -144284,7 +145545,6 @@ SQLITE_PRIVATE int sqlite3Select( && countOfViewOptimization(pParse, p) ){ if( db->mallocFailed ) goto select_end; - pEList = p->pEList; pTabList = p->pSrc; } #endif @@ -144349,36 +145609,23 @@ SQLITE_PRIVATE int sqlite3Select( && pushDownWhereTerms(pParse, pSub, p->pWhere, pItem) ){ #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x100 ){ - SELECTTRACE(0x100,pParse,p, + if( sqlite3TreeTrace & 0x4000 ){ + TREETRACE(0x4000,pParse,p, ("After WHERE-clause push-down into subquery %d:\n", pSub->selId)); sqlite3TreeViewSelect(0, p, 0); } #endif assert( pItem->pSelect && (pItem->pSelect->selFlags & SF_PushDown)!=0 ); }else{ - SELECTTRACE(0x100,pParse,p,("Push-down not possible\n")); + TREETRACE(0x4000,pParse,p,("Push-down not possible\n")); } zSavedAuthContext = pParse->zAuthContext; pParse->zAuthContext = pItem->zName; /* Generate code to implement the subquery - ** - ** The subquery is implemented as a co-routine if all of the following are - ** true: - ** - ** (1) the subquery is guaranteed to be the outer loop (so that - ** it does not need to be computed more than once), and - ** (2) the subquery is not a CTE that should be materialized - ** (3) the subquery is not part of a left operand for a RIGHT JOIN */ - if( i==0 - && (pTabList->nSrc==1 - || (pTabList->a[1].fg.jointype&(JT_OUTER|JT_CROSS))!=0) /* (1) */ - && (pItem->fg.isCte==0 || pItem->u2.pCteUse->eM10d!=M10d_Yes) /* (2) */ - && (pTabList->a[0].fg.jointype & JT_LTORJ)==0 /* (3) */ - ){ + if( fromClauseTermCanBeCoroutine(pParse, pTabList, i, p->selFlags) ){ /* Implement a co-routine that will return a single row of the result ** set on each invocation. */ @@ -144409,7 +145656,7 @@ SQLITE_PRIVATE int sqlite3Select( VdbeComment((v, "%!S", pItem)); } pSub->nSelectRow = pCteUse->nRowEst; - }else if( (pPrior = isSelfJoinView(pTabList, pItem))!=0 ){ + }else if( (pPrior = isSelfJoinView(pTabList, pItem, 0, i))!=0 ){ /* This view has already been materialized by a prior entry in ** this same FROM clause. Reuse it. */ if( pPrior->addrFillSub ){ @@ -144423,6 +145670,9 @@ SQLITE_PRIVATE int sqlite3Select( ** the same view can reuse the materialization. */ int topAddr; int onceAddr = 0; +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExplain; +#endif pItem->regReturn = ++pParse->nMem; topAddr = sqlite3VdbeAddOp0(v, OP_Goto); @@ -144438,15 +145688,14 @@ SQLITE_PRIVATE int sqlite3Select( VdbeNoopComment((v, "materialize %!S", pItem)); } sqlite3SelectDestInit(&dest, SRT_EphemTab, pItem->iCursor); - ExplainQueryPlan((pParse, 1, "MATERIALIZE %!S", pItem)); - dest.zAffSdst = sqlite3TableAffinityStr(db, pItem->pTab); + + ExplainQueryPlan2(addrExplain, (pParse, 1, "MATERIALIZE %!S", pItem)); sqlite3Select(pParse, pSub, &dest); - sqlite3DbFree(db, dest.zAffSdst); - dest.zAffSdst = 0; pItem->pTab->nRowLogEst = pSub->nSelectRow; if( onceAddr ) sqlite3VdbeJumpHere(v, onceAddr); sqlite3VdbeAddOp2(v, OP_Return, pItem->regReturn, topAddr+1); VdbeComment((v, "end %!S", pItem)); + sqlite3VdbeScanStatusRange(v, addrExplain, addrExplain, -1); sqlite3VdbeJumpHere(v, topAddr); sqlite3ClearTempRegCache(pParse); if( pItem->fg.isCte && pItem->fg.isCorrelated==0 ){ @@ -144472,8 +145721,8 @@ SQLITE_PRIVATE int sqlite3Select( sDistinct.isTnct = (p->selFlags & SF_Distinct)!=0; #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("After all FROM-clause analysis:\n")); + if( sqlite3TreeTrace & 0x8000 ){ + TREETRACE(0x8000,pParse,p,("After all FROM-clause analysis:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -144509,8 +145758,8 @@ SQLITE_PRIVATE int sqlite3Select( sDistinct.isTnct = 2; #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x400 ){ - SELECTTRACE(0x400,pParse,p,("Transform DISTINCT into GROUP BY:\n")); + if( sqlite3TreeTrace & 0x20000 ){ + TREETRACE(0x20000,pParse,p,("Transform DISTINCT into GROUP BY:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif @@ -144596,7 +145845,7 @@ SQLITE_PRIVATE int sqlite3Select( /* Begin the database scan. */ - SELECTTRACE(1,pParse,p,("WhereBegin\n")); + TREETRACE(0x2,pParse,p,("WhereBegin\n")); pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, sSort.pOrderBy, p->pEList, p, wctrlFlags, p->nSelectRow); if( pWInfo==0 ) goto select_end; @@ -144613,7 +145862,7 @@ SQLITE_PRIVATE int sqlite3Select( sSort.pOrderBy = 0; } } - SELECTTRACE(1,pParse,p,("WhereBegin returns\n")); + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); /* If sorting index that was created by a prior OP_OpenEphemeral ** instruction ended up not being needed, then change the OP_OpenEphemeral @@ -144652,7 +145901,7 @@ SQLITE_PRIVATE int sqlite3Select( /* End the database scan loop. */ - SELECTTRACE(1,pParse,p,("WhereEnd\n")); + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); } }else{ @@ -144733,12 +145982,14 @@ SQLITE_PRIVATE int sqlite3Select( goto select_end; } pAggInfo->selId = p->selId; +#ifdef SQLITE_DEBUG + pAggInfo->pSelect = p; +#endif memset(&sNC, 0, sizeof(sNC)); sNC.pParse = pParse; sNC.pSrcList = pTabList; sNC.uNC.pAggInfo = pAggInfo; VVA_ONLY( sNC.ncFlags = NC_UAggInfo; ) - pAggInfo->mnReg = pParse->nMem+1; pAggInfo->nSortingColumn = pGroupBy ? pGroupBy->nExpr : 0; pAggInfo->pGroupBy = pGroupBy; sqlite3ExprAnalyzeAggList(&sNC, pEList); @@ -144759,45 +146010,17 @@ SQLITE_PRIVATE int sqlite3Select( }else{ minMaxFlag = WHERE_ORDERBY_NORMAL; } - for(i=0; i<pAggInfo->nFunc; i++){ - Expr *pExpr = pAggInfo->aFunc[i].pFExpr; - assert( ExprUseXList(pExpr) ); - sNC.ncFlags |= NC_InAggFunc; - sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList); -#ifndef SQLITE_OMIT_WINDOWFUNC - assert( !IsWindowFunc(pExpr) ); - if( ExprHasProperty(pExpr, EP_WinFunc) ){ - sqlite3ExprAnalyzeAggregates(&sNC, pExpr->y.pWin->pFilter); - } -#endif - sNC.ncFlags &= ~NC_InAggFunc; - } - pAggInfo->mxReg = pParse->nMem; + analyzeAggFuncArgs(pAggInfo, &sNC); if( db->mallocFailed ) goto select_end; #if TREETRACE_ENABLED - if( sqlite3TreeTrace & 0x400 ){ - int ii; - SELECTTRACE(0x400,pParse,p,("After aggregate analysis %p:\n", pAggInfo)); + if( sqlite3TreeTrace & 0x20 ){ + TREETRACE(0x20,pParse,p,("After aggregate analysis %p:\n", pAggInfo)); sqlite3TreeViewSelect(0, p, 0); if( minMaxFlag ){ sqlite3DebugPrintf("MIN/MAX Optimization (0x%02x) adds:\n", minMaxFlag); sqlite3TreeViewExprList(0, pMinMaxOrderBy, 0, "ORDERBY"); } - for(ii=0; ii<pAggInfo->nColumn; ii++){ - struct AggInfo_col *pCol = &pAggInfo->aCol[ii]; - sqlite3DebugPrintf( - "agg-column[%d] pTab=%s iTable=%d iColumn=%d iMem=%d" - " iSorterColumn=%d\n", - ii, pCol->pTab ? pCol->pTab->zName : "NULL", - pCol->iTable, pCol->iColumn, pCol->iMem, - pCol->iSorterColumn); - sqlite3TreeViewExpr(0, pAggInfo->aCol[ii].pCExpr, 0); - } - for(ii=0; ii<pAggInfo->nFunc; ii++){ - sqlite3DebugPrintf("agg-func[%d]: iMem=%d\n", - ii, pAggInfo->aFunc[ii].iMem); - sqlite3TreeViewExpr(0, pAggInfo->aFunc[ii].pFExpr, 0); - } + printAggInfo(pAggInfo); } #endif @@ -144866,7 +146089,7 @@ SQLITE_PRIVATE int sqlite3Select( ** in the right order to begin with. */ sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset); - SELECTTRACE(1,pParse,p,("WhereBegin\n")); + TREETRACE(0x2,pParse,p,("WhereBegin\n")); pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pGroupBy, pDistinct, p, (sDistinct.isTnct==2 ? WHERE_DISTINCTBY : WHERE_GROUPBY) | (orderByGrp ? WHERE_SORTBYGROUP : 0) | distFlag, 0 @@ -144875,8 +146098,12 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3ExprListDelete(db, pDistinct); goto select_end; } + if( pParse->pIdxEpr ){ + optimizeAggregateUseOfIndexedExpr(pParse, p, pAggInfo, &sNC); + } + assignAggregateRegisters(pParse, pAggInfo); eDist = sqlite3WhereIsDistinct(pWInfo); - SELECTTRACE(1,pParse,p,("WhereBegin returns\n")); + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); if( sqlite3WhereIsOrdered(pWInfo)==pGroupBy->nExpr ){ /* The optimizer is able to deliver rows in group by order so ** we do not have to sort. The OP_OpenEphemeral table will be @@ -144925,7 +146152,7 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3VdbeAddOp2(v, OP_SorterInsert, pAggInfo->sortingIdx, regRecord); sqlite3ReleaseTempReg(pParse, regRecord); sqlite3ReleaseTempRange(pParse, regBase, nCol); - SELECTTRACE(1,pParse,p,("WhereEnd\n")); + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); pAggInfo->sortingIdxPTab = sortPTab = pParse->nTab++; sortOut = sqlite3GetTempReg(pParse); @@ -144935,6 +146162,23 @@ SQLITE_PRIVATE int sqlite3Select( pAggInfo->useSortingIdx = 1; } + /* If there are entries in pAgggInfo->aFunc[] that contain subexpressions + ** that are indexed (and that were previously identified and tagged + ** in optimizeAggregateUseOfIndexedExpr()) then those subexpressions + ** must now be converted into a TK_AGG_COLUMN node so that the value + ** is correctly pulled from the index rather than being recomputed. */ + if( pParse->pIdxEpr ){ + aggregateConvertIndexedExprRefToColumn(pAggInfo); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x20 ){ + TREETRACE(0x20, pParse, p, + ("AggInfo function expressions converted to reference index\n")); + sqlite3TreeViewSelect(0, p, 0); + printAggInfo(pAggInfo); + } +#endif + } + /* If the index or temporary table used by the GROUP BY sort ** will naturally deliver rows in the order required by the ORDER BY ** clause, cancel the ephemeral table open coded earlier. @@ -145003,7 +146247,7 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3VdbeAddOp2(v, OP_SorterNext, pAggInfo->sortingIdx,addrTopOfLoop); VdbeCoverage(v); }else{ - SELECTTRACE(1,pParse,p,("WhereEnd\n")); + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); sqlite3VdbeChangeToNoop(v, addrSortingIdx); } @@ -145113,7 +146357,8 @@ SQLITE_PRIVATE int sqlite3Select( if( pKeyInfo ){ sqlite3VdbeChangeP4(v, -1, (char *)pKeyInfo, P4_KEYINFO); } - sqlite3VdbeAddOp2(v, OP_Count, iCsr, pAggInfo->aFunc[0].iMem); + assignAggregateRegisters(pParse, pAggInfo); + sqlite3VdbeAddOp2(v, OP_Count, iCsr, AggInfoFuncReg(pAggInfo,0)); sqlite3VdbeAddOp1(v, OP_Close, iCsr); explainSimpleCount(pParse, pTab, pBest); }else{ @@ -145149,6 +146394,7 @@ SQLITE_PRIVATE int sqlite3Select( pDistinct = pAggInfo->aFunc[0].pFExpr->x.pList; distFlag = pDistinct ? (WHERE_WANT_DISTINCT|WHERE_AGG_DISTINCT) : 0; } + assignAggregateRegisters(pParse, pAggInfo); /* This case runs if the aggregate has no GROUP BY clause. The ** processing is much simpler since there is only a single row @@ -145165,13 +146411,13 @@ SQLITE_PRIVATE int sqlite3Select( assert( minMaxFlag==WHERE_ORDERBY_NORMAL || pMinMaxOrderBy!=0 ); assert( pMinMaxOrderBy==0 || pMinMaxOrderBy->nExpr==1 ); - SELECTTRACE(1,pParse,p,("WhereBegin\n")); + TREETRACE(0x2,pParse,p,("WhereBegin\n")); pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pMinMaxOrderBy, pDistinct, p, minMaxFlag|distFlag, 0); if( pWInfo==0 ){ goto select_end; } - SELECTTRACE(1,pParse,p,("WhereBegin returns\n")); + TREETRACE(0x2,pParse,p,("WhereBegin returns\n")); eDist = sqlite3WhereIsDistinct(pWInfo); updateAccumulator(pParse, regAcc, pAggInfo, eDist); if( eDist!=WHERE_DISTINCT_NOOP ){ @@ -145185,7 +146431,7 @@ SQLITE_PRIVATE int sqlite3Select( if( minMaxFlag ){ sqlite3WhereMinMaxOptEarlyOut(v, pWInfo); } - SELECTTRACE(1,pParse,p,("WhereEnd\n")); + TREETRACE(0x2,pParse,p,("WhereEnd\n")); sqlite3WhereEnd(pWInfo); finalizeAggFunctions(pParse, pAggInfo); } @@ -145207,8 +146453,6 @@ SQLITE_PRIVATE int sqlite3Select( ** and send them to the callback one by one. */ if( sSort.pOrderBy ){ - explainTempTable(pParse, - sSort.nOBSat>0 ? "RIGHT PART OF ORDER BY":"ORDER BY"); assert( p->pEList==pEList ); generateSortTail(pParse, p, &sSort, pEList->nExpr, pDest); } @@ -145232,7 +146476,7 @@ select_end: if( pAggInfo && !db->mallocFailed ){ for(i=0; i<pAggInfo->nColumn; i++){ Expr *pExpr = pAggInfo->aCol[i].pCExpr; - assert( pExpr!=0 ); + if( pExpr==0 ) continue; assert( pExpr->pAggInfo==pAggInfo ); assert( pExpr->iAgg==i ); } @@ -145246,8 +146490,8 @@ select_end: #endif #if TREETRACE_ENABLED - SELECTTRACE(0x1,pParse,p,("end processing\n")); - if( (sqlite3TreeTrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ + TREETRACE(0x1,pParse,p,("end processing\n")); + if( (sqlite3TreeTrace & 0x40000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -145662,6 +146906,7 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( }else{ assert( !db->init.busy ); sqlite3CodeVerifySchema(pParse, iDb); + VVA_ONLY( pParse->ifNotExists = 1; ) } goto trigger_cleanup; } @@ -146443,7 +147688,7 @@ static void codeReturningTrigger( } sqlite3ExprListDelete(db, sSelect.pEList); pNew = sqlite3ExpandReturning(pParse, pReturning->pReturnEL, pTab); - if( !db->mallocFailed ){ + if( pParse->nErr==0 ){ NameContext sNC; memset(&sNC, 0, sizeof(sNC)); if( pReturning->nRetCol==0 ){ @@ -147201,7 +148446,8 @@ static void updateFromSelect( } } pSelect = sqlite3SelectNew(pParse, pList, - pSrc, pWhere2, pGrp, 0, pOrderBy2, SF_UFSrcCheck|SF_IncludeHidden, pLimit2 + pSrc, pWhere2, pGrp, 0, pOrderBy2, + SF_UFSrcCheck|SF_IncludeHidden|SF_UpdateFrom, pLimit2 ); if( pSelect ) pSelect->selFlags |= SF_OrderByReqd; sqlite3SelectDestInit(&dest, eDest, iEph); @@ -147664,12 +148910,22 @@ SQLITE_PRIVATE void sqlite3Update( /* Begin the database scan. ** ** Do not consider a single-pass strategy for a multi-row update if - ** there are any triggers or foreign keys to process, or rows may - ** be deleted as a result of REPLACE conflict handling. Any of these - ** things might disturb a cursor being used to scan through the table - ** or index, causing a single-pass approach to malfunction. */ + ** there is anything that might disrupt the cursor being used to do + ** the UPDATE: + ** (1) This is a nested UPDATE + ** (2) There are triggers + ** (3) There are FOREIGN KEY constraints + ** (4) There are REPLACE conflict handlers + ** (5) There are subqueries in the WHERE clause + */ flags = WHERE_ONEPASS_DESIRED; - if( !pParse->nested && !pTrigger && !hasFK && !chngKey && !bReplace ){ + if( !pParse->nested + && !pTrigger + && !hasFK + && !chngKey + && !bReplace + && (sNC.ncFlags & NC_Subquery)==0 + ){ flags |= WHERE_ONEPASS_MULTIROW; } pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere,0,0,0,flags,iIdxCur); @@ -149235,10 +150491,10 @@ SQLITE_PRIVATE void sqlite3VtabUnlock(VTable *pVTab){ pVTab->nRef--; if( pVTab->nRef==0 ){ sqlite3_vtab *p = pVTab->pVtab; - sqlite3VtabModuleUnref(pVTab->db, pVTab->pMod); if( p ){ p->pModule->xDisconnect(p); } + sqlite3VtabModuleUnref(pVTab->db, pVTab->pMod); sqlite3DbFree(db, pVTab); } } @@ -149634,7 +150890,9 @@ static int vtabCallConstructor( sCtx.pPrior = db->pVtabCtx; sCtx.bDeclared = 0; db->pVtabCtx = &sCtx; + pTab->nTabRef++; rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr); + sqlite3DeleteTable(db, pTab); db->pVtabCtx = sCtx.pPrior; if( rc==SQLITE_NOMEM ) sqlite3OomFault(db); assert( sCtx.pTab==pTab ); @@ -151028,6 +152286,7 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs(Parse*, SrcItem*, WhereClause*); #define WHERE_SELFCULL 0x00800000 /* nOut reduced by extra WHERE terms */ #define WHERE_OMIT_OFFSET 0x01000000 /* Set offset counter to zero */ #define WHERE_VIEWSCAN 0x02000000 /* A full-scan of a VIEW or subquery */ +#define WHERE_EXPRIDX 0x04000000 /* Uses an index-on-expressions */ #endif /* !defined(SQLITE_WHEREINT_H) */ @@ -151284,6 +152543,8 @@ SQLITE_PRIVATE int sqlite3WhereExplainBloomFilter( zMsg = sqlite3StrAccumFinish(&str); ret = sqlite3VdbeAddOp4(v, OP_Explain, sqlite3VdbeCurrentAddr(v), pParse->addrExplain, 0, zMsg,P4_DYNAMIC); + + sqlite3VdbeScanStatus(v, sqlite3VdbeCurrentAddr(v)-1, 0, 0, 0, 0); return ret; } #endif /* SQLITE_OMIT_EXPLAIN */ @@ -151306,14 +152567,27 @@ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( ){ const char *zObj = 0; WhereLoop *pLoop = pLvl->pWLoop; - if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ + int wsFlags = pLoop->wsFlags; + int viaCoroutine = 0; + + if( (wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ zObj = pLoop->u.btree.pIndex->zName; }else{ zObj = pSrclist->a[pLvl->iFrom].zName; + viaCoroutine = pSrclist->a[pLvl->iFrom].fg.viaCoroutine; } sqlite3VdbeScanStatus( v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj ); + + if( viaCoroutine==0 ){ + if( (wsFlags & (WHERE_MULTI_OR|WHERE_AUTO_INDEX))==0 ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iTabCur); + } + if( wsFlags & WHERE_INDEXED ){ + sqlite3VdbeScanStatusRange(v, addrExplain, -1, pLvl->iIdxCur); + } + } } #endif @@ -151373,7 +152647,7 @@ static void disableTerm(WhereLevel *pLevel, WhereTerm *pTerm){ pTerm->wtFlags |= TERM_CODED; } #ifdef WHERETRACE_ENABLED - if( sqlite3WhereTrace & 0x20000 ){ + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ sqlite3DebugPrintf("DISABLE-"); sqlite3WhereTermPrint(pTerm, (int)(pTerm - (pTerm->pWC->a))); } @@ -151488,68 +152762,75 @@ static Expr *removeUnindexableInClauseTerms( Expr *pX /* The IN expression to be reduced */ ){ sqlite3 *db = pParse->db; + Select *pSelect; /* Pointer to the SELECT on the RHS */ Expr *pNew; pNew = sqlite3ExprDup(db, pX, 0); if( db->mallocFailed==0 ){ - ExprList *pOrigRhs; /* Original unmodified RHS */ - ExprList *pOrigLhs; /* Original unmodified LHS */ - ExprList *pRhs = 0; /* New RHS after modifications */ - ExprList *pLhs = 0; /* New LHS after mods */ - int i; /* Loop counter */ - Select *pSelect; /* Pointer to the SELECT on the RHS */ - - assert( ExprUseXSelect(pNew) ); - pOrigRhs = pNew->x.pSelect->pEList; - assert( pNew->pLeft!=0 ); - assert( ExprUseXList(pNew->pLeft) ); - pOrigLhs = pNew->pLeft->x.pList; - for(i=iEq; i<pLoop->nLTerm; i++){ - if( pLoop->aLTerm[i]->pExpr==pX ){ - int iField; - assert( (pLoop->aLTerm[i]->eOperator & (WO_OR|WO_AND))==0 ); - iField = pLoop->aLTerm[i]->u.x.iField - 1; - if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */ - pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr); - pOrigRhs->a[iField].pExpr = 0; - assert( pOrigLhs->a[iField].pExpr!=0 ); - pLhs = sqlite3ExprListAppend(pParse, pLhs, pOrigLhs->a[iField].pExpr); - pOrigLhs->a[iField].pExpr = 0; - } - } - sqlite3ExprListDelete(db, pOrigRhs); - sqlite3ExprListDelete(db, pOrigLhs); - pNew->pLeft->x.pList = pLhs; - pNew->x.pSelect->pEList = pRhs; - if( pLhs && pLhs->nExpr==1 ){ - /* Take care here not to generate a TK_VECTOR containing only a - ** single value. Since the parser never creates such a vector, some - ** of the subroutines do not handle this case. */ - Expr *p = pLhs->a[0].pExpr; - pLhs->a[0].pExpr = 0; - sqlite3ExprDelete(db, pNew->pLeft); - pNew->pLeft = p; - } - pSelect = pNew->x.pSelect; - if( pSelect->pOrderBy ){ - /* If the SELECT statement has an ORDER BY clause, zero the - ** iOrderByCol variables. These are set to non-zero when an - ** ORDER BY term exactly matches one of the terms of the - ** result-set. Since the result-set of the SELECT statement may - ** have been modified or reordered, these variables are no longer - ** set correctly. Since setting them is just an optimization, - ** it's easiest just to zero them here. */ - ExprList *pOrderBy = pSelect->pOrderBy; - for(i=0; i<pOrderBy->nExpr; i++){ - pOrderBy->a[i].u.x.iOrderByCol = 0; + for(pSelect=pNew->x.pSelect; pSelect; pSelect=pSelect->pPrior){ + ExprList *pOrigRhs; /* Original unmodified RHS */ + ExprList *pOrigLhs = 0; /* Original unmodified LHS */ + ExprList *pRhs = 0; /* New RHS after modifications */ + ExprList *pLhs = 0; /* New LHS after mods */ + int i; /* Loop counter */ + + assert( ExprUseXSelect(pNew) ); + pOrigRhs = pSelect->pEList; + assert( pNew->pLeft!=0 ); + assert( ExprUseXList(pNew->pLeft) ); + if( pSelect==pNew->x.pSelect ){ + pOrigLhs = pNew->pLeft->x.pList; + } + for(i=iEq; i<pLoop->nLTerm; i++){ + if( pLoop->aLTerm[i]->pExpr==pX ){ + int iField; + assert( (pLoop->aLTerm[i]->eOperator & (WO_OR|WO_AND))==0 ); + iField = pLoop->aLTerm[i]->u.x.iField - 1; + if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */ + pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr); + pOrigRhs->a[iField].pExpr = 0; + if( pOrigLhs ){ + assert( pOrigLhs->a[iField].pExpr!=0 ); + pLhs = sqlite3ExprListAppend(pParse,pLhs,pOrigLhs->a[iField].pExpr); + pOrigLhs->a[iField].pExpr = 0; + } + } + } + sqlite3ExprListDelete(db, pOrigRhs); + if( pOrigLhs ){ + sqlite3ExprListDelete(db, pOrigLhs); + pNew->pLeft->x.pList = pLhs; + } + pSelect->pEList = pRhs; + if( pLhs && pLhs->nExpr==1 ){ + /* Take care here not to generate a TK_VECTOR containing only a + ** single value. Since the parser never creates such a vector, some + ** of the subroutines do not handle this case. */ + Expr *p = pLhs->a[0].pExpr; + pLhs->a[0].pExpr = 0; + sqlite3ExprDelete(db, pNew->pLeft); + pNew->pLeft = p; + } + if( pSelect->pOrderBy ){ + /* If the SELECT statement has an ORDER BY clause, zero the + ** iOrderByCol variables. These are set to non-zero when an + ** ORDER BY term exactly matches one of the terms of the + ** result-set. Since the result-set of the SELECT statement may + ** have been modified or reordered, these variables are no longer + ** set correctly. Since setting them is just an optimization, + ** it's easiest just to zero them here. */ + ExprList *pOrderBy = pSelect->pOrderBy; + for(i=0; i<pOrderBy->nExpr; i++){ + pOrderBy->a[i].u.x.iOrderByCol = 0; + } } - } #if 0 - printf("For indexing, change the IN expr:\n"); - sqlite3TreeViewExpr(0, pX, 0); - printf("Into:\n"); - sqlite3TreeViewExpr(0, pNew, 0); + printf("For indexing, change the IN expr:\n"); + sqlite3TreeViewExpr(0, pX, 0); + printf("Into:\n"); + sqlite3TreeViewExpr(0, pNew, 0); #endif + } } return pNew; } @@ -152360,13 +153641,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur); bRev = (pWInfo->revMask>>iLevel)&1; VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName)); -#if WHERETRACE_ENABLED /* 0x20800 */ - if( sqlite3WhereTrace & 0x800 ){ +#if WHERETRACE_ENABLED /* 0x4001 */ + if( sqlite3WhereTrace & 0x1 ){ sqlite3DebugPrintf("Coding level %d of %d: notReady=%llx iFrom=%d\n", iLevel, pWInfo->nLevel, (u64)notReady, pLevel->iFrom); - sqlite3WhereLoopPrint(pLoop, pWC); + if( sqlite3WhereTrace & 0x1000 ){ + sqlite3WhereLoopPrint(pLoop, pWC); + } } - if( sqlite3WhereTrace & 0x20000 ){ + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ if( iLevel==0 ){ sqlite3DebugPrintf("WHERE clause being coded:\n"); sqlite3TreeViewExpr(0, pWInfo->pWhere, 0); @@ -153290,7 +154573,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } /* Loop through table entries that match term pOrTerm. */ ExplainQueryPlan((pParse, 1, "INDEX %d", ii+1)); - WHERETRACE(0xffff, ("Subplan for OR-clause:\n")); + WHERETRACE(0xffffffff, ("Subplan for OR-clause:\n")); pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0, 0, WHERE_OR_SUBCLAUSE, iCovCur); assert( pSubWInfo || pParse->nErr ); @@ -153527,12 +154810,12 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } #endif } -#ifdef WHERETRACE_ENABLED /* 0xffff */ +#ifdef WHERETRACE_ENABLED /* 0xffffffff */ if( sqlite3WhereTrace ){ VdbeNoopComment((v, "WhereTerm[%d] (%p) priority=%d", pWC->nTerm-j, pTerm, iLoop)); } - if( sqlite3WhereTrace & 0x800 ){ + if( sqlite3WhereTrace & 0x4000 ){ sqlite3DebugPrintf("Coding auxiliary constraint:\n"); sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); } @@ -153561,8 +154844,8 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( if( pTerm->leftCursor!=iCur ) continue; if( pTabItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT) ) continue; pE = pTerm->pExpr; -#ifdef WHERETRACE_ENABLED /* 0x800 */ - if( sqlite3WhereTrace & 0x800 ){ +#ifdef WHERETRACE_ENABLED /* 0x4001 */ + if( (sqlite3WhereTrace & 0x4001)==0x4001 ){ sqlite3DebugPrintf("Coding transitive constraint:\n"); sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); } @@ -153677,13 +154960,13 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } } -#if WHERETRACE_ENABLED /* 0x20800 */ - if( sqlite3WhereTrace & 0x20000 ){ +#if WHERETRACE_ENABLED /* 0x4001 */ + if( sqlite3WhereTrace & 0x4000 ){ sqlite3DebugPrintf("All WHERE-clause terms after coding level %d:\n", iLevel); sqlite3WhereClausePrint(pWC); } - if( sqlite3WhereTrace & 0x800 ){ + if( sqlite3WhereTrace & 0x1 ){ sqlite3DebugPrintf("End Coding level %d: notReady=%llx\n", iLevel, (u64)pLevel->notReady); } @@ -154759,36 +156042,40 @@ static Bitmask exprSelectUsage(WhereMaskSet *pMaskSet, Select *pS){ */ static SQLITE_NOINLINE int exprMightBeIndexed2( SrcList *pFrom, /* The FROM clause */ - Bitmask mPrereq, /* Bitmask of FROM clause terms referenced by pExpr */ int *aiCurCol, /* Write the referenced table cursor and column here */ - Expr *pExpr /* An operand of a comparison operator */ + Expr *pExpr, /* An operand of a comparison operator */ + int j /* Start looking with the j-th pFrom entry */ ){ Index *pIdx; int i; int iCur; - for(i=0; mPrereq>1; i++, mPrereq>>=1){} - iCur = pFrom->a[i].iCursor; - for(pIdx=pFrom->a[i].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - if( pIdx->aColExpr==0 ) continue; - for(i=0; i<pIdx->nKeyCol; i++){ - if( pIdx->aiColumn[i]!=XN_EXPR ) continue; - assert( pIdx->bHasExpr ); - if( sqlite3ExprCompareSkip(pExpr, pIdx->aColExpr->a[i].pExpr, iCur)==0 ){ - aiCurCol[0] = iCur; - aiCurCol[1] = XN_EXPR; - return 1; + do{ + iCur = pFrom->a[j].iCursor; + for(pIdx=pFrom->a[j].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + if( pIdx->aColExpr==0 ) continue; + for(i=0; i<pIdx->nKeyCol; i++){ + if( pIdx->aiColumn[i]!=XN_EXPR ) continue; + assert( pIdx->bHasExpr ); + if( sqlite3ExprCompareSkip(pExpr,pIdx->aColExpr->a[i].pExpr,iCur)==0 + && pExpr->op!=TK_STRING + ){ + aiCurCol[0] = iCur; + aiCurCol[1] = XN_EXPR; + return 1; + } } } - } + }while( ++j < pFrom->nSrc ); return 0; } static int exprMightBeIndexed( SrcList *pFrom, /* The FROM clause */ - Bitmask mPrereq, /* Bitmask of FROM clause terms referenced by pExpr */ int *aiCurCol, /* Write the referenced table cursor & column here */ Expr *pExpr, /* An operand of a comparison operator */ int op /* The specific comparison operator */ ){ + int i; + /* If this expression is a vector to the left or right of a ** inequality constraint (>, <, >= or <=), perform the processing ** on the first element of the vector. */ @@ -154798,7 +156085,6 @@ static int exprMightBeIndexed( if( pExpr->op==TK_VECTOR && (op>=TK_GT && ALWAYS(op<=TK_GE)) ){ assert( ExprUseXList(pExpr) ); pExpr = pExpr->x.pList->a[0].pExpr; - } if( pExpr->op==TK_COLUMN ){ @@ -154806,9 +156092,16 @@ static int exprMightBeIndexed( aiCurCol[1] = pExpr->iColumn; return 1; } - if( mPrereq==0 ) return 0; /* No table references */ - if( (mPrereq&(mPrereq-1))!=0 ) return 0; /* Refs more than one table */ - return exprMightBeIndexed2(pFrom,mPrereq,aiCurCol,pExpr); + + for(i=0; i<pFrom->nSrc; i++){ + Index *pIdx; + for(pIdx=pFrom->a[i].pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + if( pIdx->aColExpr ){ + return exprMightBeIndexed2(pFrom,aiCurCol,pExpr,i); + } + } + } + return 0; } @@ -154934,7 +156227,7 @@ static void exprAnalyze( pLeft = pLeft->x.pList->a[pTerm->u.x.iField-1].pExpr; } - if( exprMightBeIndexed(pSrc, prereqLeft, aiCurCol, pLeft, op) ){ + if( exprMightBeIndexed(pSrc, aiCurCol, pLeft, op) ){ pTerm->leftCursor = aiCurCol[0]; assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); pTerm->u.x.leftColumn = aiCurCol[1]; @@ -154942,7 +156235,7 @@ static void exprAnalyze( } if( op==TK_IS ) pTerm->wtFlags |= TERM_IS; if( pRight - && exprMightBeIndexed(pSrc, pTerm->prereqRight, aiCurCol, pRight, op) + && exprMightBeIndexed(pSrc, aiCurCol, pRight, op) && !ExprHasProperty(pRight, EP_FixedCol) ){ WhereTerm *pNew; @@ -155153,7 +156446,6 @@ static void exprAnalyze( transferJoinMarkings(pNewExpr1, pExpr); idxNew1 = whereClauseInsert(pWC, pNewExpr1, wtFlags); testcase( idxNew1==0 ); - exprAnalyze(pSrc, pWC, idxNew1); pNewExpr2 = sqlite3ExprDup(db, pLeft, 0); pNewExpr2 = sqlite3PExpr(pParse, TK_LT, sqlite3ExprAddCollateString(pParse,pNewExpr2,zCollSeqName), @@ -155161,6 +156453,7 @@ static void exprAnalyze( transferJoinMarkings(pNewExpr2, pExpr); idxNew2 = whereClauseInsert(pWC, pNewExpr2, wtFlags); testcase( idxNew2==0 ); + exprAnalyze(pSrc, pWC, idxNew1); exprAnalyze(pSrc, pWC, idxNew2); pTerm = &pWC->a[idxTerm]; if( isComplete ){ @@ -155217,7 +156510,7 @@ static void exprAnalyze( && pTerm->u.x.iField==0 && pExpr->pLeft->op==TK_VECTOR && ALWAYS( ExprUseXSelect(pExpr) ) - && pExpr->x.pSelect->pPrior==0 + && (pExpr->x.pSelect->pPrior==0 || (pExpr->x.pSelect->selFlags & SF_Values)) #ifndef SQLITE_OMIT_WINDOWFUNC && pExpr->x.pSelect->pWin==0 #endif @@ -155405,6 +156698,13 @@ SQLITE_PRIVATE void SQLITE_NOINLINE sqlite3WhereAddLimit(WhereClause *pWC, Selec assert( pWC->a[ii].eOperator==WO_ROWVAL ); continue; } + if( pWC->a[ii].nChild ){ + /* If this term has child terms, then they are also part of the + ** pWC->a[] array. So this term can be ignored, as a LIMIT clause + ** will only be added if each of the child terms passes the + ** (leftCursor==iCsr) test below. */ + continue; + } if( pWC->a[ii].leftCursor!=iCsr ) return; } @@ -155624,7 +156924,7 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( pRhs = sqlite3PExpr(pParse, TK_UPLUS, sqlite3ExprDup(pParse->db, pArgs->a[j].pExpr, 0), 0); pTerm = sqlite3PExpr(pParse, TK_EQ, pColRef, pRhs); - if( pItem->fg.jointype & (JT_LEFT|JT_LTORJ) ){ + if( pItem->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT) ){ joinType = EP_OuterON; }else{ joinType = EP_InnerON; @@ -156343,7 +157643,7 @@ static void translateColumnToCopy( #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(WHERETRACE_ENABLED) static void whereTraceIndexInfoInputs(sqlite3_index_info *p){ int i; - if( !sqlite3WhereTrace ) return; + if( (sqlite3WhereTrace & 0x10)==0 ) return; for(i=0; i<p->nConstraint; i++){ sqlite3DebugPrintf( " constraint[%d]: col=%d termid=%d op=%d usabled=%d collseq=%s\n", @@ -156363,7 +157663,7 @@ static void whereTraceIndexInfoInputs(sqlite3_index_info *p){ } static void whereTraceIndexInfoOutputs(sqlite3_index_info *p){ int i; - if( !sqlite3WhereTrace ) return; + if( (sqlite3WhereTrace & 0x10)==0 ) return; for(i=0; i<p->nConstraint; i++){ sqlite3DebugPrintf(" usage[%d]: argvIdx=%d omit=%d\n", i, @@ -156450,6 +157750,57 @@ static int termCanDriveIndex( #ifndef SQLITE_OMIT_AUTOMATIC_INDEX + +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS +/* +** Argument pIdx represents an automatic index that the current statement +** will create and populate. Add an OP_Explain with text of the form: +** +** CREATE AUTOMATIC INDEX ON <table>(<cols>) [WHERE <expr>] +** +** This is only required if sqlite3_stmt_scanstatus() is enabled, to +** associate an SQLITE_SCANSTAT_NCYCLE and SQLITE_SCANSTAT_NLOOP +** values with. In order to avoid breaking legacy code and test cases, +** the OP_Explain is not added if this is an EXPLAIN QUERY PLAN command. +*/ +static void explainAutomaticIndex( + Parse *pParse, + Index *pIdx, /* Automatic index to explain */ + int bPartial, /* True if pIdx is a partial index */ + int *pAddrExplain /* OUT: Address of OP_Explain */ +){ + if( pParse->explain!=2 ){ + Table *pTab = pIdx->pTable; + const char *zSep = ""; + char *zText = 0; + int ii = 0; + sqlite3_str *pStr = sqlite3_str_new(pParse->db); + sqlite3_str_appendf(pStr,"CREATE AUTOMATIC INDEX ON %s(", pTab->zName); + assert( pIdx->nColumn>1 ); + assert( pIdx->aiColumn[pIdx->nColumn-1]==XN_ROWID ); + for(ii=0; ii<(pIdx->nColumn-1); ii++){ + const char *zName = 0; + int iCol = pIdx->aiColumn[ii]; + + zName = pTab->aCol[iCol].zCnName; + sqlite3_str_appendf(pStr, "%s%s", zSep, zName); + zSep = ", "; + } + zText = sqlite3_str_finish(pStr); + if( zText==0 ){ + sqlite3OomFault(pParse->db); + }else{ + *pAddrExplain = sqlite3VdbeExplain( + pParse, 0, "%s)%s", zText, (bPartial ? " WHERE <expr>" : "") + ); + sqlite3_free(zText); + } + } +} +#else +# define explainAutomaticIndex(a,b,c,d) +#endif + /* ** Generate code to construct the Index object for an automatic index ** and to set up the WhereLevel object pLevel so that the code generator @@ -156485,6 +157836,9 @@ static SQLITE_NOINLINE void constructAutomaticIndex( SrcItem *pTabItem; /* FROM clause term being indexed */ int addrCounter = 0; /* Address where integer counter is initialized */ int regBase; /* Array of registers where record is assembled */ +#ifdef SQLITE_ENABLE_STMT_SCANSTATUS + int addrExp = 0; /* Address of OP_Explain */ +#endif /* Generate code to skip over the creation and initialization of the ** transient index on 2nd and subsequent iterations of the loop. */ @@ -156608,6 +157962,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex( pIdx->azColl[n] = sqlite3StrBINARY; /* Create the automatic index */ + explainAutomaticIndex(pParse, pIdx, pPartial!=0, &addrExp); assert( pLevel->iIdxCur>=0 ); pLevel->iIdxCur = pParse->nTab++; sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1); @@ -156643,6 +157998,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex( sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, regBase, pLoop->u.btree.nEq); } + sqlite3VdbeScanStatusCounters(v, addrExp, addrExp, sqlite3VdbeCurrentAddr(v)); sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue); @@ -156663,6 +158019,7 @@ static SQLITE_NOINLINE void constructAutomaticIndex( /* Jump here when skipping the initialization */ sqlite3VdbeJumpHere(v, addrInit); + sqlite3VdbeScanStatusRange(v, addrExp, addrExp, -1); end_auto_index_create: sqlite3ExprDelete(pParse->db, pPartial); @@ -156704,6 +158061,10 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( Vdbe *v = pParse->pVdbe; /* VDBE under construction */ WhereLoop *pLoop = pLevel->pWLoop; /* The loop being coded */ int iCur; /* Cursor for table getting the filter */ + IndexedExpr *saved_pIdxEpr; /* saved copy of Parse.pIdxEpr */ + + saved_pIdxEpr = pParse->pIdxEpr; + pParse->pIdxEpr = 0; assert( pLoop!=0 ); assert( v!=0 ); @@ -156760,9 +158121,8 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( int r1 = sqlite3GetTempRange(pParse, n); int jj; for(jj=0; jj<n; jj++){ - int iCol = pIdx->aiColumn[jj]; assert( pIdx->pTable==pItem->pTab ); - sqlite3ExprCodeGetColumnOfTable(v, pIdx->pTable, iCur, iCol,r1+jj); + sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iCur, jj, r1+jj); } sqlite3VdbeAddOp4Int(v, OP_FilterAdd, pLevel->regFilter, 0, r1, n); sqlite3ReleaseTempRange(pParse, r1, n); @@ -156793,6 +158153,7 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( } }while( iLevel < pWInfo->nLevel ); sqlite3VdbeJumpHere(v, addrOnce); + pParse->pIdxEpr = saved_pIdxEpr; } @@ -157092,6 +158453,7 @@ static int whereKeyStats( assert( pIdx->nSample>0 ); assert( pRec->nField>0 ); + /* Do a binary search to find the first sample greater than or equal ** to pRec. If pRec contains a single field, the set of samples to search ** is simply the aSample[] array. If the samples in aSample[] contain more @@ -157136,7 +158498,12 @@ static int whereKeyStats( ** it is extended to two fields. The duplicates that this creates do not ** cause any problems. */ - nField = MIN(pRec->nField, pIdx->nSample); + if( !HasRowid(pIdx->pTable) && IsPrimaryKeyIndex(pIdx) ){ + nField = pIdx->nKeyCol; + }else{ + nField = pIdx->nColumn; + } + nField = MIN(pRec->nField, nField); iCol = 0; iSample = pIdx->nSample * nField; do{ @@ -157202,12 +158569,12 @@ static int whereKeyStats( if( iCol>0 ){ pRec->nField = iCol; assert( sqlite3VdbeRecordCompare(aSample[i].n, aSample[i].p, pRec)<=0 - || pParse->db->mallocFailed ); + || pParse->db->mallocFailed || CORRUPT_DB ); } if( i>0 ){ pRec->nField = nField; assert( sqlite3VdbeRecordCompare(aSample[i-1].n, aSample[i-1].p, pRec)<0 - || pParse->db->mallocFailed ); + || pParse->db->mallocFailed || CORRUPT_DB ); } } } @@ -157380,7 +158747,7 @@ static int whereRangeSkipScanEst( int nAdjust = (sqlite3LogEst(p->nSample) - sqlite3LogEst(nDiff)); pLoop->nOut -= nAdjust; *pbDone = 1; - WHERETRACE(0x10, ("range skip-scan regions: %u..%u adjust=%d est=%d\n", + WHERETRACE(0x20, ("range skip-scan regions: %u..%u adjust=%d est=%d\n", nLower, nUpper, nAdjust*-1, pLoop->nOut)); } @@ -157558,7 +158925,7 @@ static int whereRangeScanEst( if( nNew<nOut ){ nOut = nNew; } - WHERETRACE(0x10, ("STAT4 range scan: %u..%u est=%d\n", + WHERETRACE(0x20, ("STAT4 range scan: %u..%u est=%d\n", (u32)iLower, (u32)iUpper, nOut)); } }else{ @@ -157591,7 +158958,7 @@ static int whereRangeScanEst( if( nNew<nOut ) nOut = nNew; #if defined(WHERETRACE_ENABLED) if( pLoop->nOut>nOut ){ - WHERETRACE(0x10,("Range scan lowers nOut from %d to %d\n", + WHERETRACE(0x20,("Range scan lowers nOut from %d to %d\n", pLoop->nOut, nOut)); } #endif @@ -157656,7 +159023,7 @@ static int whereEqualScanEst( pBuilder->nRecValid = nEq; whereKeyStats(pParse, p, pRec, 0, a); - WHERETRACE(0x10,("equality scan regions %s(%d): %d\n", + WHERETRACE(0x20,("equality scan regions %s(%d): %d\n", p->zName, nEq-1, (int)a[1])); *pnRow = a[1]; @@ -157704,9 +159071,9 @@ static int whereInScanEst( } if( rc==SQLITE_OK ){ - if( nRowEst > nRow0 ) nRowEst = nRow0; + if( nRowEst > (tRowcnt)nRow0 ) nRowEst = nRow0; *pnRow = nRowEst; - WHERETRACE(0x10,("IN row estimate: est=%d\n", nRowEst)); + WHERETRACE(0x20,("IN row estimate: est=%d\n", nRowEst)); } assert( pBuilder->nRecValid==nRecValid ); return rc; @@ -157815,7 +159182,7 @@ SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ sqlite3DebugPrintf(" f %06x N %d", p->wsFlags, p->nLTerm); } sqlite3DebugPrintf(" cost %d,%d,%d\n", p->rSetup, p->rRun, p->nOut); - if( p->nLTerm && (sqlite3WhereTrace & 0x100)!=0 ){ + if( p->nLTerm && (sqlite3WhereTrace & 0x4000)!=0 ){ int i; for(i=0; i<p->nLTerm; i++){ sqlite3WhereTermPrint(p->aLTerm[i], i); @@ -158279,6 +159646,7 @@ static void whereLoopOutputAdjust( if( pX->iParent>=0 && (&pWC->a[pX->iParent])==pTerm ) break; } if( j<0 ){ + sqlite3ProgressCheck(pWC->pWInfo->pParse); if( pLoop->maskSelf==pTerm->prereqAll ){ /* If there are extra terms in the WHERE clause not used by an index ** that depend only on the table being scanned, and that will tend to @@ -158446,7 +159814,10 @@ static int whereLoopAddBtreeIndex( WhereTerm *pTop = 0, *pBtm = 0; /* Top and bottom range constraints */ pNew = pBuilder->pNew; - if( db->mallocFailed ) return SQLITE_NOMEM_BKPT; + assert( db->mallocFailed==0 || pParse->nErr>0 ); + if( pParse->nErr ){ + return pParse->rc; + } WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d, nSkip=%d, rRun=%d\n", pProbe->pTable->zName,pProbe->zName, pNew->u.btree.nEq, pNew->nSkip, pNew->rRun)); @@ -158693,7 +160064,7 @@ static int whereLoopAddBtreeIndex( && pNew->nOut+10 > pProbe->aiRowLogEst[0] ){ #if WHERETRACE_ENABLED /* 0x01 */ - if( sqlite3WhereTrace & 0x01 ){ + if( sqlite3WhereTrace & 0x20 ){ sqlite3DebugPrintf( "STAT4 determines term has low selectivity:\n"); sqlite3WhereTermPrint(pTerm, 999); @@ -158730,9 +160101,17 @@ static int whereLoopAddBtreeIndex( ** seek only. Then, if this is a non-covering index, add the cost of ** visiting the rows in the main table. */ assert( pSrc->pTab->szTabRow>0 ); - rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow; + if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){ + /* The pProbe->szIdxRow is low for an IPK table since the interior + ** pages are small. Thuse szIdxRow gives a good estimate of seek cost. + ** But the leaf pages are full-size, so pProbe->szIdxRow would badly + ** under-estimate the scanning cost. */ + rCostIdx = pNew->nOut + 16; + }else{ + rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow; + } pNew->rRun = sqlite3LogEstAdd(rLogSize, rCostIdx); - if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK))==0 ){ + if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK|WHERE_EXPRIDX))==0 ){ pNew->rRun = sqlite3LogEstAdd(pNew->rRun, pNew->nOut + 16); } ApplyCostMultiplier(pNew->rRun, pProbe->pTable->costMult); @@ -158754,6 +160133,9 @@ static int whereLoopAddBtreeIndex( && (pNew->u.btree.nEq<pProbe->nKeyCol || pProbe->idxType!=SQLITE_IDXTYPE_PRIMARYKEY) ){ + if( pNew->u.btree.nEq>3 ){ + sqlite3ProgressCheck(pParse); + } whereLoopAddBtreeIndex(pBuilder, pSrc, pProbe, nInMul+nIn); } pNew->nOut = saved_nOut; @@ -158886,15 +160268,38 @@ static int whereUsablePartialIndex( } /* +** pIdx is an index containing expressions. Check it see if any of the +** expressions in the index match the pExpr expression. +*/ +static int exprIsCoveredByIndex( + const Expr *pExpr, + const Index *pIdx, + int iTabCur +){ + int i; + for(i=0; i<pIdx->nColumn; i++){ + if( pIdx->aiColumn[i]==XN_EXPR + && sqlite3ExprCompare(0, pExpr, pIdx->aColExpr->a[i].pExpr, iTabCur)==0 + ){ + return 1; + } + } + return 0; +} + +/* ** Structure passed to the whereIsCoveringIndex Walker callback. */ +typedef struct CoveringIndexCheck CoveringIndexCheck; struct CoveringIndexCheck { Index *pIdx; /* The index */ int iTabCur; /* Cursor number for the corresponding table */ + u8 bExpr; /* Uses an indexed expression */ + u8 bUnidx; /* Uses an unindexed column not within an indexed expr */ }; /* -** Information passed in is pWalk->u.pCovIdxCk. Call is pCk. +** Information passed in is pWalk->u.pCovIdxCk. Call it pCk. ** ** If the Expr node references the table with cursor pCk->iTabCur, then ** make sure that column is covered by the index pCk->pIdx. We know that @@ -158906,71 +160311,103 @@ struct CoveringIndexCheck { ** ** If this node does not disprove that the index can be a covering index, ** then just return WRC_Continue, to continue the search. +** +** If pCk->pIdx contains indexed expressions and one of those expressions +** matches pExpr, then prune the search. */ static int whereIsCoveringIndexWalkCallback(Walker *pWalk, Expr *pExpr){ - int i; /* Loop counter */ - const Index *pIdx; /* The index of interest */ - const i16 *aiColumn; /* Columns contained in the index */ - u16 nColumn; /* Number of columns in the index */ - if( pExpr->op!=TK_COLUMN && pExpr->op!=TK_AGG_COLUMN ) return WRC_Continue; - if( pExpr->iColumn<(BMS-1) ) return WRC_Continue; - if( pExpr->iTable!=pWalk->u.pCovIdxCk->iTabCur ) return WRC_Continue; - pIdx = pWalk->u.pCovIdxCk->pIdx; - aiColumn = pIdx->aiColumn; - nColumn = pIdx->nColumn; - for(i=0; i<nColumn; i++){ - if( aiColumn[i]==pExpr->iColumn ) return WRC_Continue; - } - pWalk->eCode = 1; - return WRC_Abort; + int i; /* Loop counter */ + const Index *pIdx; /* The index of interest */ + const i16 *aiColumn; /* Columns contained in the index */ + u16 nColumn; /* Number of columns in the index */ + CoveringIndexCheck *pCk; /* Info about this search */ + + pCk = pWalk->u.pCovIdxCk; + pIdx = pCk->pIdx; + if( (pExpr->op==TK_COLUMN || pExpr->op==TK_AGG_COLUMN) ){ + /* if( pExpr->iColumn<(BMS-1) && pIdx->bHasExpr==0 ) return WRC_Continue;*/ + if( pExpr->iTable!=pCk->iTabCur ) return WRC_Continue; + pIdx = pWalk->u.pCovIdxCk->pIdx; + aiColumn = pIdx->aiColumn; + nColumn = pIdx->nColumn; + for(i=0; i<nColumn; i++){ + if( aiColumn[i]==pExpr->iColumn ) return WRC_Continue; + } + pCk->bUnidx = 1; + return WRC_Abort; + }else if( pIdx->bHasExpr + && exprIsCoveredByIndex(pExpr, pIdx, pWalk->u.pCovIdxCk->iTabCur) ){ + pCk->bExpr = 1; + return WRC_Prune; + } + return WRC_Continue; } /* ** pIdx is an index that covers all of the low-number columns used by -** pWInfo->pSelect (columns from 0 through 62). But there are columns -** in pWInfo->pSelect beyond 62. This routine tries to answer the question -** of whether pIdx covers *all* columns in the query. +** pWInfo->pSelect (columns from 0 through 62) or an index that has +** expressions terms. Hence, we cannot determine whether or not it is +** a covering index by using the colUsed bitmasks. We have to do a search +** to see if the index is covering. This routine does that search. ** -** Return 0 if pIdx is a covering index. Return non-zero if pIdx is -** not a covering index or if we are unable to determine if pIdx is a -** covering index. +** The return value is one of these: ** -** This routine is an optimization. It is always safe to return non-zero. -** But returning zero when non-zero should have been returned can lead to -** incorrect bytecode and assertion faults. +** 0 The index is definitely not a covering index +** +** WHERE_IDX_ONLY The index is definitely a covering index +** +** WHERE_EXPRIDX The index is likely a covering index, but it is +** difficult to determine precisely because of the +** expressions that are indexed. Score it as a +** covering index, but still keep the main table open +** just in case we need it. +** +** This routine is an optimization. It is always safe to return zero. +** But returning one of the other two values when zero should have been +** returned can lead to incorrect bytecode and assertion faults. */ static SQLITE_NOINLINE u32 whereIsCoveringIndex( WhereInfo *pWInfo, /* The WHERE clause context */ Index *pIdx, /* Index that is being tested */ int iTabCur /* Cursor for the table being indexed */ ){ - int i; + int i, rc; struct CoveringIndexCheck ck; Walker w; if( pWInfo->pSelect==0 ){ /* We don't have access to the full query, so we cannot check to see ** if pIdx is covering. Assume it is not. */ - return 1; - } - for(i=0; i<pIdx->nColumn; i++){ - if( pIdx->aiColumn[i]>=BMS-1 ) break; + return 0; } - if( i>=pIdx->nColumn ){ - /* pIdx does not index any columns greater than 62, but we know from - ** colMask that columns greater than 62 are used, so this is not a - ** covering index */ - return 1; + if( pIdx->bHasExpr==0 ){ + for(i=0; i<pIdx->nColumn; i++){ + if( pIdx->aiColumn[i]>=BMS-1 ) break; + } + if( i>=pIdx->nColumn ){ + /* pIdx does not index any columns greater than 62, but we know from + ** colMask that columns greater than 62 are used, so this is not a + ** covering index */ + return 0; + } } ck.pIdx = pIdx; ck.iTabCur = iTabCur; + ck.bExpr = 0; + ck.bUnidx = 0; memset(&w, 0, sizeof(w)); w.xExprCallback = whereIsCoveringIndexWalkCallback; w.xSelectCallback = sqlite3SelectWalkNoop; w.u.pCovIdxCk = &ck; - w.eCode = 0; sqlite3WalkSelect(&w, pWInfo->pSelect); - return w.eCode; + if( ck.bUnidx ){ + rc = 0; + }else if( ck.bExpr ){ + rc = WHERE_EXPRIDX; + }else{ + rc = WHERE_IDX_ONLY; + } + return rc; } /* @@ -159055,7 +160492,7 @@ static int whereLoopAddBtree( sPk.aiRowLogEst = aiRowEstPk; sPk.onError = OE_Replace; sPk.pTable = pTab; - sPk.szIdxRow = pTab->szTabRow; + sPk.szIdxRow = 3; /* TUNING: Interior rows of IPK table are very small */ sPk.idxType = SQLITE_IDXTYPE_IPK; aiRowEstPk[0] = pTab->nRowLogEst; aiRowEstPk[1] = 0; @@ -159106,7 +160543,8 @@ static int whereLoopAddBtree( if( !IsView(pTab) && (pTab->tabFlags & TF_Ephemeral)==0 ){ pNew->rSetup += 28; }else{ - pNew->rSetup -= 10; + pNew->rSetup -= 25; /* Greatly reduced setup cost for auto indexes + ** on ephemeral materializations of views */ } ApplyCostMultiplier(pNew->rSetup, pTab->costMult); if( pNew->rSetup<0 ) pNew->rSetup = 0; @@ -159186,14 +160624,38 @@ static int whereLoopAddBtree( }else{ Bitmask m; if( pProbe->isCovering ){ - pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; m = 0; + pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; }else{ m = pSrc->colUsed & pProbe->colNotIdxed; - if( m==TOPBIT ){ - m = whereIsCoveringIndex(pWInfo, pProbe, pSrc->iCursor); + pNew->wsFlags = WHERE_INDEXED; + if( m==TOPBIT || (pProbe->bHasExpr && !pProbe->bHasVCol && m!=0) ){ + u32 isCov = whereIsCoveringIndex(pWInfo, pProbe, pSrc->iCursor); + if( isCov==0 ){ + WHERETRACE(0x200, + ("-> %s is not a covering index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + assert( m!=0 ); + }else{ + m = 0; + pNew->wsFlags |= isCov; + if( isCov & WHERE_IDX_ONLY ){ + WHERETRACE(0x200, + ("-> %s is a covering expression index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + }else{ + assert( isCov==WHERE_EXPRIDX ); + WHERETRACE(0x200, + ("-> %s might be a covering expression index" + " according to whereIsCoveringIndex()\n", pProbe->zName)); + } + } + }else if( m==0 ){ + WHERETRACE(0x200, + ("-> %s a covering index according to bitmasks\n", + pProbe->zName, m==0 ? "is" : "is not")); + pNew->wsFlags = WHERE_IDX_ONLY | WHERE_INDEXED; } - pNew->wsFlags = (m==0) ? (WHERE_IDX_ONLY|WHERE_INDEXED) : WHERE_INDEXED; } /* Full scan via index */ @@ -159366,7 +160828,7 @@ static int whereLoopAddVirtualOne( ** that the particular combination of parameters provided is unusable. ** Make no entries in the loop table. */ - WHERETRACE(0xffff, (" ^^^^--- non-viable plan rejected!\n")); + WHERETRACE(0xffffffff, (" ^^^^--- non-viable plan rejected!\n")); return SQLITE_OK; } return rc; @@ -159477,7 +160939,7 @@ static int whereLoopAddVirtualOne( sqlite3_free(pNew->u.vtab.idxStr); pNew->u.vtab.needFree = 0; } - WHERETRACE(0xffff, (" bIn=%d prereqIn=%04llx prereqOut=%04llx\n", + WHERETRACE(0xffffffff, (" bIn=%d prereqIn=%04llx prereqOut=%04llx\n", *pbIn, (sqlite3_uint64)mPrereq, (sqlite3_uint64)(pNew->prereq & ~mPrereq))); @@ -159582,7 +161044,7 @@ SQLITE_API int sqlite3_vtab_distinct(sqlite3_index_info *pIdxInfo){ && !defined(SQLITE_OMIT_VIRTUALTABLE) /* ** Cause the prepared statement that is associated with a call to -** xBestIndex to potentiall use all schemas. If the statement being +** xBestIndex to potentially use all schemas. If the statement being ** prepared is read-only, then just start read transactions on all ** schemas. But if this is a write operation, start writes on all ** schemas. @@ -159597,7 +161059,7 @@ SQLITE_PRIVATE void sqlite3VtabUsesAllSchemas(sqlite3_index_info *pIdxInfo){ for(i=0; i<nDb; i++){ sqlite3CodeVerifySchema(pParse, i); } - if( pParse->writeMask ){ + if( DbMaskNonZero(pParse->writeMask) ){ for(i=0; i<nDb; i++){ sqlite3BeginWriteOperation(pParse, 0, i); } @@ -159669,7 +161131,7 @@ static int whereLoopAddVirtual( /* First call xBestIndex() with all constraints usable. */ WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pTab->zName)); - WHERETRACE(0x40, (" VirtualOne: all usable\n")); + WHERETRACE(0x800, (" VirtualOne: all usable\n")); rc = whereLoopAddVirtualOne( pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn, &bRetry ); @@ -159694,7 +161156,7 @@ static int whereLoopAddVirtual( /* If the plan produced by the earlier call uses an IN(...) term, call ** xBestIndex again, this time with IN(...) terms disabled. */ if( bIn ){ - WHERETRACE(0x40, (" VirtualOne: all usable w/o IN\n")); + WHERETRACE(0x800, (" VirtualOne: all usable w/o IN\n")); rc = whereLoopAddVirtualOne( pBuilder, mPrereq, ALLBITS, WO_IN, p, mNoOmit, &bIn, 0); assert( bIn==0 ); @@ -159720,7 +161182,7 @@ static int whereLoopAddVirtual( mPrev = mNext; if( mNext==ALLBITS ) break; if( mNext==mBest || mNext==mBestNoIn ) continue; - WHERETRACE(0x40, (" VirtualOne: mPrev=%04llx mNext=%04llx\n", + WHERETRACE(0x800, (" VirtualOne: mPrev=%04llx mNext=%04llx\n", (sqlite3_uint64)mPrev, (sqlite3_uint64)mNext)); rc = whereLoopAddVirtualOne( pBuilder, mPrereq, mNext|mPrereq, 0, p, mNoOmit, &bIn, 0); @@ -159734,7 +161196,7 @@ static int whereLoopAddVirtual( ** that requires no source tables at all (i.e. one guaranteed to be ** usable), make a call here with all source tables disabled */ if( rc==SQLITE_OK && seenZero==0 ){ - WHERETRACE(0x40, (" VirtualOne: all disabled\n")); + WHERETRACE(0x800, (" VirtualOne: all disabled\n")); rc = whereLoopAddVirtualOne( pBuilder, mPrereq, mPrereq, 0, p, mNoOmit, &bIn, 0); if( bIn==0 ) seenZeroNoIN = 1; @@ -159744,7 +161206,7 @@ static int whereLoopAddVirtual( ** that requires no source tables at all and does not use an IN(...) ** operator, make a final call to obtain one here. */ if( rc==SQLITE_OK && seenZeroNoIN==0 ){ - WHERETRACE(0x40, (" VirtualOne: all disabled and w/o IN\n")); + WHERETRACE(0x800, (" VirtualOne: all disabled and w/o IN\n")); rc = whereLoopAddVirtualOne( pBuilder, mPrereq, mPrereq, WO_IN, p, mNoOmit, &bIn, 0); } @@ -159800,7 +161262,7 @@ static int whereLoopAddOr( sSubBuild = *pBuilder; sSubBuild.pOrSet = &sCur; - WHERETRACE(0x200, ("Begin processing OR-clause %p\n", pTerm)); + WHERETRACE(0x400, ("Begin processing OR-clause %p\n", pTerm)); for(pOrTerm=pOrWC->a; pOrTerm<pOrWCEnd; pOrTerm++){ if( (pOrTerm->eOperator & WO_AND)!=0 ){ sSubBuild.pWC = &pOrTerm->u.pAndInfo->wc; @@ -159817,9 +161279,9 @@ static int whereLoopAddOr( } sCur.n = 0; #ifdef WHERETRACE_ENABLED - WHERETRACE(0x200, ("OR-term %d of %p has %d subterms:\n", + WHERETRACE(0x400, ("OR-term %d of %p has %d subterms:\n", (int)(pOrTerm-pOrWC->a), pTerm, sSubBuild.pWC->nTerm)); - if( sqlite3WhereTrace & 0x400 ){ + if( sqlite3WhereTrace & 0x20000 ){ sqlite3WhereClausePrint(sSubBuild.pWC); } #endif @@ -159834,8 +161296,6 @@ static int whereLoopAddOr( if( rc==SQLITE_OK ){ rc = whereLoopAddOr(&sSubBuild, mPrereq, mUnusable); } - assert( rc==SQLITE_OK || rc==SQLITE_DONE || sCur.n==0 - || rc==SQLITE_NOMEM ); testcase( rc==SQLITE_NOMEM && sCur.n>0 ); testcase( rc==SQLITE_DONE ); if( sCur.n==0 ){ @@ -159881,7 +161341,7 @@ static int whereLoopAddOr( pNew->prereq = sSum.a[i].prereq; rc = whereLoopInsert(pBuilder, pNew); } - WHERETRACE(0x200, ("End processing OR-clause %p\n", pTerm)); + WHERETRACE(0x400, ("End processing OR-clause %p\n", pTerm)); } } return rc; @@ -160229,8 +161689,8 @@ static i8 wherePathSatisfiesOrderBy( if( pOBExpr->iTable!=iCur ) continue; if( pOBExpr->iColumn!=iColumn ) continue; }else{ - Expr *pIdxExpr = pIndex->aColExpr->a[j].pExpr; - if( sqlite3ExprCompareSkip(pOBExpr, pIdxExpr, iCur) ){ + Expr *pIxExpr = pIndex->aColExpr->a[j].pExpr; + if( sqlite3ExprCompareSkip(pOBExpr, pIxExpr, iCur) ){ continue; } } @@ -160362,37 +161822,56 @@ static const char *wherePathName(WherePath *pPath, int nLoop, WhereLoop *pLast){ ** order. */ static LogEst whereSortingCost( - WhereInfo *pWInfo, - LogEst nRow, - int nOrderBy, - int nSorted + WhereInfo *pWInfo, /* Query planning context */ + LogEst nRow, /* Estimated number of rows to sort */ + int nOrderBy, /* Number of ORDER BY clause terms */ + int nSorted /* Number of initial ORDER BY terms naturally in order */ ){ - /* TUNING: Estimated cost of a full external sort, where N is + /* Estimated cost of a full external sort, where N is ** the number of rows to sort is: ** - ** cost = (3.0 * N * log(N)). + ** cost = (K * N * log(N)). ** ** Or, if the order-by clause has X terms but only the last Y ** terms are out of order, then block-sorting will reduce the ** sorting cost to: ** - ** cost = (3.0 * N * log(N)) * (Y/X) + ** cost = (K * N * log(N)) * (Y/X) ** - ** The (Y/X) term is implemented using stack variable rScale - ** below. + ** The constant K is at least 2.0 but will be larger if there are a + ** large number of columns to be sorted, as the sorting time is + ** proportional to the amount of content to be sorted. The algorithm + ** does not currently distinguish between fat columns (BLOBs and TEXTs) + ** and skinny columns (INTs). It just uses the number of columns as + ** an approximation for the row width. + ** + ** And extra factor of 2.0 or 3.0 is added to the sorting cost if the sort + ** is built using OP_IdxInsert and OP_Sort rather than with OP_SorterInsert. */ - LogEst rScale, rSortCost; - assert( nOrderBy>0 && 66==sqlite3LogEst(100) ); - rScale = sqlite3LogEst((nOrderBy-nSorted)*100/nOrderBy) - 66; - rSortCost = nRow + rScale + 16; + LogEst rSortCost, nCol; + assert( pWInfo->pSelect!=0 ); + assert( pWInfo->pSelect->pEList!=0 ); + /* TUNING: sorting cost proportional to the number of output columns: */ + nCol = sqlite3LogEst((pWInfo->pSelect->pEList->nExpr+59)/30); + rSortCost = nRow + nCol; + if( nSorted>0 ){ + /* Scale the result by (Y/X) */ + rSortCost += sqlite3LogEst((nOrderBy-nSorted)*100/nOrderBy) - 66; + } /* Multiple by log(M) where M is the number of output rows. ** Use the LIMIT for M if it is smaller. Or if this sort is for ** a DISTINCT operator, M will be the number of distinct output ** rows, so fudge it downwards a bit. */ - if( (pWInfo->wctrlFlags & WHERE_USE_LIMIT)!=0 && pWInfo->iLimit<nRow ){ - nRow = pWInfo->iLimit; + if( (pWInfo->wctrlFlags & WHERE_USE_LIMIT)!=0 ){ + rSortCost += 10; /* TUNING: Extra 2.0x if using LIMIT */ + if( nSorted!=0 ){ + rSortCost += 6; /* TUNING: Extra 1.5x if also using partial sort */ + } + if( pWInfo->iLimit<nRow ){ + nRow = pWInfo->iLimit; + } }else if( (pWInfo->wctrlFlags & WHERE_WANT_DISTINCT) ){ /* TUNING: In the sort for a DISTINCT operator, assume that the DISTINCT ** reduces the number of output rows by a factor of 2 */ @@ -160544,11 +162023,11 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ pWInfo, nRowEst, nOrderBy, isOrdered ); } - /* TUNING: Add a small extra penalty (5) to sorting as an + /* TUNING: Add a small extra penalty (3) to sorting as an ** extra encouragment to the query planner to select a plan ** where the rows emerge in the correct order without any sorting ** required. */ - rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 5; + rCost = sqlite3LogEstAdd(rUnsorted, aSortCost[isOrdered]) + 3; WHERETRACE(0x002, ("---- sort cost=%-3d (%d/%d) increases cost %3d to %-3d\n", @@ -160752,6 +162231,10 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ if( pFrom->isOrdered==pWInfo->pOrderBy->nExpr ){ pWInfo->eDistinct = WHERE_DISTINCT_ORDERED; } + if( pWInfo->pSelect->pOrderBy + && pWInfo->nOBSat > pWInfo->pSelect->pOrderBy->nExpr ){ + pWInfo->nOBSat = pWInfo->pSelect->pOrderBy->nExpr; + } }else{ pWInfo->revMask = pFrom->revLoop; if( pWInfo->nOBSat<=0 ){ @@ -160896,7 +162379,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ pLoop->cId = '0'; #endif #ifdef WHERETRACE_ENABLED - if( sqlite3WhereTrace ){ + if( sqlite3WhereTrace & 0x02 ){ sqlite3DebugPrintf("whereShortCut() used to compute solution\n"); } #endif @@ -161026,7 +162509,7 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin( } } if( pTerm<pEnd ) continue; - WHERETRACE(0xffff, ("-> drop loop %c not used\n", pLoop->cId)); + WHERETRACE(0xffffffff, ("-> drop loop %c not used\n", pLoop->cId)); notReady &= ~pLoop->maskSelf; for(pTerm=pWInfo->sWC.a; pTerm<pEnd; pTerm++){ if( (pTerm->prereqAll & pLoop->maskSelf)!=0 ){ @@ -161065,28 +162548,27 @@ static SQLITE_NOINLINE void whereCheckIfBloomFilterIsUseful( const WhereInfo *pWInfo ){ int i; - LogEst nSearch; + LogEst nSearch = 0; assert( pWInfo->nLevel>=2 ); assert( OptimizationEnabled(pWInfo->pParse->db, SQLITE_BloomFilter) ); - nSearch = pWInfo->a[0].pWLoop->nOut; - for(i=1; i<pWInfo->nLevel; i++){ + for(i=0; i<pWInfo->nLevel; i++){ WhereLoop *pLoop = pWInfo->a[i].pWLoop; const unsigned int reqFlags = (WHERE_SELFCULL|WHERE_COLUMN_EQ); - if( (pLoop->wsFlags & reqFlags)==reqFlags + SrcItem *pItem = &pWInfo->pTabList->a[pLoop->iTab]; + Table *pTab = pItem->pTab; + if( (pTab->tabFlags & TF_HasStat1)==0 ) break; + pTab->tabFlags |= TF_StatsUsed; + if( i>=1 + && (pLoop->wsFlags & reqFlags)==reqFlags /* vvvvvv--- Always the case if WHERE_COLUMN_EQ is defined */ && ALWAYS((pLoop->wsFlags & (WHERE_IPK|WHERE_INDEXED))!=0) ){ - SrcItem *pItem = &pWInfo->pTabList->a[pLoop->iTab]; - Table *pTab = pItem->pTab; - pTab->tabFlags |= TF_StatsUsed; - if( nSearch > pTab->nRowLogEst - && (pTab->tabFlags & TF_HasStat1)!=0 - ){ + if( nSearch > pTab->nRowLogEst ){ testcase( pItem->fg.jointype & JT_LEFT ); pLoop->wsFlags |= WHERE_BLOOMFILTER; pLoop->wsFlags &= ~WHERE_IDX_ONLY; - WHERETRACE(0xffff, ( + WHERETRACE(0xffffffff, ( "-> use Bloom-filter on loop %c because there are ~%.1e " "lookups into %s which has only ~%.1e rows\n", pLoop->cId, (double)sqlite3LogEstToInt(nSearch), pTab->zName, @@ -161099,13 +162581,13 @@ static SQLITE_NOINLINE void whereCheckIfBloomFilterIsUseful( /* ** This is an sqlite3ParserAddCleanup() callback that is invoked to -** free the Parse->pIdxExpr list when the Parse object is destroyed. +** free the Parse->pIdxEpr list when the Parse object is destroyed. */ static void whereIndexedExprCleanup(sqlite3 *db, void *pObject){ Parse *pParse = (Parse*)pObject; - while( pParse->pIdxExpr!=0 ){ - IndexedExpr *p = pParse->pIdxExpr; - pParse->pIdxExpr = p->pIENext; + while( pParse->pIdxEpr!=0 ){ + IndexedExpr *p = pParse->pIdxEpr; + pParse->pIdxEpr = p->pIENext; sqlite3ExprDelete(db, p->pExpr); sqlite3DbFreeNN(db, p); } @@ -161117,13 +162599,13 @@ static void whereIndexedExprCleanup(sqlite3 *db, void *pObject){ ** number for the index and iDataCur is the cursor number for the corresponding ** table. ** -** This routine adds IndexedExpr entries to the Parse->pIdxExpr field for +** This routine adds IndexedExpr entries to the Parse->pIdxEpr field for ** each of the expressions in the index so that the expression code generator ** will know to replace occurrences of the indexed expression with ** references to the corresponding column of the index. */ static SQLITE_NOINLINE void whereAddIndexedExpr( - Parse *pParse, /* Add IndexedExpr entries to pParse->pIdxExpr */ + Parse *pParse, /* Add IndexedExpr entries to pParse->pIdxEpr */ Index *pIdx, /* The index-on-expression that contains the expressions */ int iIdxCur, /* Cursor number for pIdx */ SrcItem *pTabItem /* The FROM clause entry for the table */ @@ -161152,16 +162634,25 @@ static SQLITE_NOINLINE void whereAddIndexedExpr( if( sqlite3ExprIsConstant(pExpr) ) continue; p = sqlite3DbMallocRaw(pParse->db, sizeof(IndexedExpr)); if( p==0 ) break; - p->pIENext = pParse->pIdxExpr; + p->pIENext = pParse->pIdxEpr; +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x200 ){ + sqlite3DebugPrintf("New pParse->pIdxEpr term {%d,%d}\n", iIdxCur, i); + if( sqlite3WhereTrace & 0x5000 ) sqlite3ShowExpr(pExpr); + } +#endif p->pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); p->iDataCur = pTabItem->iCursor; p->iIdxCur = iIdxCur; p->iIdxCol = i; p->bMaybeNullRow = bMaybeNullRow; + if( sqlite3IndexAffinityStr(pParse->db, pIdx) ){ + p->aff = pIdx->zColAff[i]; + } #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS p->zIdxName = pIdx->zName; #endif - pParse->pIdxExpr = p; + pParse->pIdxEpr = p; if( p->pIENext==0 ){ sqlite3ParserAddCleanup(pParse, whereIndexedExprCleanup, pParse); } @@ -161453,13 +162944,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( /* Construct the WhereLoop objects */ #if defined(WHERETRACE_ENABLED) - if( sqlite3WhereTrace & 0xffff ){ + if( sqlite3WhereTrace & 0xffffffff ){ sqlite3DebugPrintf("*** Optimizer Start *** (wctrlFlags: 0x%x",wctrlFlags); if( wctrlFlags & WHERE_USE_LIMIT ){ sqlite3DebugPrintf(", limit: %d", iAuxArg); } sqlite3DebugPrintf(")\n"); - if( sqlite3WhereTrace & 0x100 ){ + if( sqlite3WhereTrace & 0x8000 ){ Select sSelect; memset(&sSelect, 0, sizeof(sSelect)); sSelect.selFlags = SF_WhereBegin; @@ -161469,10 +162960,10 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( sSelect.pEList = pResultSet; sqlite3TreeViewSelect(0, &sSelect, 0); } - } - if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ - sqlite3DebugPrintf("---- WHERE clause at start of analysis:\n"); - sqlite3WhereClausePrint(sWLB.pWC); + if( sqlite3WhereTrace & 0x4000 ){ /* Display all WHERE clause terms */ + sqlite3DebugPrintf("---- WHERE clause at start of analysis:\n"); + sqlite3WhereClausePrint(sWLB.pWC); + } } #endif @@ -161488,7 +162979,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** loops will be built using the revised truthProb values. */ if( sWLB.bldFlags2 & SQLITE_BLDF2_2NDPASS ){ WHERETRACE_ALL_LOOPS(pWInfo, sWLB.pWC); - WHERETRACE(0xffff, + WHERETRACE(0xffffffff, ("**** Redo all loop computations due to" " TERM_HIGHTRUTH changes ****\n")); while( pWInfo->pLoops ){ @@ -161574,11 +163065,11 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } #if defined(WHERETRACE_ENABLED) - if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ + if( sqlite3WhereTrace & 0x4000 ){ /* Display all terms of the WHERE clause */ sqlite3DebugPrintf("---- WHERE clause at end of analysis:\n"); sqlite3WhereClausePrint(sWLB.pWC); } - WHERETRACE(0xffff,("*** Optimizer Finished ***\n")); + WHERETRACE(0xffffffff,("*** Optimizer Finished ***\n")); #endif pWInfo->pParse->nQueryLoop += pWInfo->nRowOut; @@ -162112,9 +163603,16 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ last = pWInfo->iEndWhere; } if( pIdx->bHasExpr ){ - IndexedExpr *p = pParse->pIdxExpr; + IndexedExpr *p = pParse->pIdxEpr; while( p ){ if( p->iIdxCur==pLevel->iIdxCur ){ +#ifdef WHERETRACE_ENABLED + if( sqlite3WhereTrace & 0x200 ){ + sqlite3DebugPrintf("Disable pParse->pIdxEpr term {%d,%d}\n", + p->iIdxCur, p->iIdxCol); + if( sqlite3WhereTrace & 0x5000 ) sqlite3ShowExpr(p->pExpr); + } +#endif p->iDataCur = -1; p->iIdxCur = -1; } @@ -163283,7 +164781,7 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ pSub = sqlite3SelectNew( pParse, pSublist, pSrc, pWhere, pGroupBy, pHaving, pSort, 0, 0 ); - SELECTTRACE(1,pParse,pSub, + TREETRACE(0x40,pParse,pSub, ("New window-function subquery in FROM clause of (%u/%p)\n", p->selId, p)); p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); @@ -163293,6 +164791,7 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ if( p->pSrc ){ Table *pTab2; p->pSrc->a[0].pSelect = pSub; + p->pSrc->a[0].fg.isCorrelated = 1; sqlite3SrcListAssignCursors(pParse, p->pSrc); pSub->selFlags |= SF_Expanded|SF_OrderByReqd; pTab2 = sqlite3ResultSetOfSelect(pParse, pSub, SQLITE_AFF_NONE); @@ -165158,8 +166657,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( VdbeCoverageNeverNullIf(v, op==OP_Ge); /* NeverNull because bound <expr> */ VdbeCoverageNeverNullIf(v, op==OP_Le); /* values previously checked */ windowAggFinal(&s, 0); - sqlite3VdbeAddOp2(v, OP_Rewind, s.current.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.current.csr); windowReturnOneRow(&s); sqlite3VdbeAddOp1(v, OP_ResetSorter, s.current.csr); sqlite3VdbeAddOp2(v, OP_Goto, 0, lblWhereEnd); @@ -165171,13 +166669,10 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } if( pMWin->eStart!=TK_UNBOUNDED ){ - sqlite3VdbeAddOp2(v, OP_Rewind, s.start.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.start.csr); } - sqlite3VdbeAddOp2(v, OP_Rewind, s.current.csr, 1); - VdbeCoverageNeverTaken(v); - sqlite3VdbeAddOp2(v, OP_Rewind, s.end.csr, 1); - VdbeCoverageNeverTaken(v); + sqlite3VdbeAddOp1(v, OP_Rewind, s.current.csr); + sqlite3VdbeAddOp1(v, OP_Rewind, s.end.csr); if( regPeer && pOrderBy ){ sqlite3VdbeAddOp3(v, OP_Copy, regNewPeer, regPeer, pOrderBy->nExpr-1); sqlite3VdbeAddOp3(v, OP_Copy, regPeer, s.start.reg, pOrderBy->nExpr-1); @@ -169875,6 +171370,11 @@ static YYACTIONTYPE yy_reduce( sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy322); pRHS = sqlite3PExpr(pParse, TK_UPLUS, pRHS, 0); yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_EQ, yymsp[-4].minor.yy528, pRHS); + }else if( yymsp[-1].minor.yy322->nExpr==1 && pRHS->op==TK_SELECT ){ + yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy528, pRHS->x.pSelect); + pRHS->x.pSelect = 0; + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy322); }else{ yymsp[-4].minor.yy528 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy528, 0); if( yymsp[-4].minor.yy528==0 ){ @@ -174077,6 +175577,7 @@ SQLITE_PRIVATE const char *sqlite3ErrName(int rc){ case SQLITE_NOTICE_RECOVER_WAL: zName = "SQLITE_NOTICE_RECOVER_WAL";break; case SQLITE_NOTICE_RECOVER_ROLLBACK: zName = "SQLITE_NOTICE_RECOVER_ROLLBACK"; break; + case SQLITE_NOTICE_RBU: zName = "SQLITE_NOTICE_RBU"; break; case SQLITE_WARNING: zName = "SQLITE_WARNING"; break; case SQLITE_WARNING_AUTOINDEX: zName = "SQLITE_WARNING_AUTOINDEX"; break; case SQLITE_DONE: zName = "SQLITE_DONE"; break; @@ -174306,7 +175807,9 @@ SQLITE_API int sqlite3_busy_timeout(sqlite3 *db, int ms){ */ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ #ifdef SQLITE_ENABLE_API_ARMOR - if( !sqlite3SafetyCheckOk(db) && (db==0 || db->eOpenState!=SQLITE_STATE_ZOMBIE) ){ + if( !sqlite3SafetyCheckOk(db) + && (db==0 || db->eOpenState!=SQLITE_STATE_ZOMBIE) + ){ (void)SQLITE_MISUSE_BKPT; return; } @@ -174314,6 +175817,21 @@ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ AtomicStore(&db->u1.isInterrupted, 1); } +/* +** Return true or false depending on whether or not an interrupt is +** pending on connection db. +*/ +SQLITE_API int sqlite3_is_interrupted(sqlite3 *db){ +#ifdef SQLITE_ENABLE_API_ARMOR + if( !sqlite3SafetyCheckOk(db) + && (db==0 || db->eOpenState!=SQLITE_STATE_ZOMBIE) + ){ + (void)SQLITE_MISUSE_BKPT; + return 0; + } +#endif + return AtomicLoad(&db->u1.isInterrupted)!=0; +} /* ** This function is exactly the same as sqlite3_create_function(), except @@ -174358,7 +175876,7 @@ SQLITE_PRIVATE int sqlite3CreateFunc( /* The SQLITE_INNOCUOUS flag is the same bit as SQLITE_FUNC_UNSAFE. But ** the meaning is inverted. So flip the bit. */ assert( SQLITE_FUNC_UNSAFE==SQLITE_INNOCUOUS ); - extraFlags ^= SQLITE_FUNC_UNSAFE; + extraFlags ^= SQLITE_FUNC_UNSAFE; /* tag-20230109-1 */ #ifndef SQLITE_OMIT_UTF16 @@ -174376,11 +175894,11 @@ SQLITE_PRIVATE int sqlite3CreateFunc( case SQLITE_ANY: { int rc; rc = sqlite3CreateFunc(db, zFunctionName, nArg, - (SQLITE_UTF8|extraFlags)^SQLITE_FUNC_UNSAFE, + (SQLITE_UTF8|extraFlags)^SQLITE_FUNC_UNSAFE, /* tag-20230109-1 */ pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor); if( rc==SQLITE_OK ){ rc = sqlite3CreateFunc(db, zFunctionName, nArg, - (SQLITE_UTF16LE|extraFlags)^SQLITE_FUNC_UNSAFE, + (SQLITE_UTF16LE|extraFlags)^SQLITE_FUNC_UNSAFE, /* tag-20230109-1*/ pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor); } if( rc!=SQLITE_OK ){ @@ -178962,6 +180480,8 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsalnum(int); SQLITE_PRIVATE int sqlite3FtsUnicodeIsdiacritic(int); #endif +SQLITE_PRIVATE int sqlite3Fts3ExprIterate(Fts3Expr*, int (*x)(Fts3Expr*,int,void*), void*); + #endif /* !SQLITE_CORE || SQLITE_ENABLE_FTS3 */ #endif /* _FTSINT_H */ @@ -183965,9 +185485,8 @@ static void fts3EvalNextRow( Fts3Expr *pExpr, /* Expr. to advance to next matching row */ int *pRc /* IN/OUT: Error code */ ){ - if( *pRc==SQLITE_OK ){ + if( *pRc==SQLITE_OK && pExpr->bEof==0 ){ int bDescDoclist = pCsr->bDesc; /* Used by DOCID_CMP() macro */ - assert( pExpr->bEof==0 ); pExpr->bStart = 1; switch( pExpr->eType ){ @@ -184444,6 +185963,22 @@ static void fts3EvalUpdateCounts(Fts3Expr *pExpr, int nCol){ } /* +** This is an sqlite3Fts3ExprIterate() callback. If the Fts3Expr.aMI[] array +** has not yet been allocated, allocate and zero it. Otherwise, just zero +** it. +*/ +static int fts3AllocateMSI(Fts3Expr *pExpr, int iPhrase, void *pCtx){ + Fts3Table *pTab = (Fts3Table*)pCtx; + UNUSED_PARAMETER(iPhrase); + if( pExpr->aMI==0 ){ + pExpr->aMI = (u32 *)sqlite3_malloc64(pTab->nColumn * 3 * sizeof(u32)); + if( pExpr->aMI==0 ) return SQLITE_NOMEM; + } + memset(pExpr->aMI, 0, pTab->nColumn * 3 * sizeof(u32)); + return SQLITE_OK; +} + +/* ** Expression pExpr must be of type FTSQUERY_PHRASE. ** ** If it is not already allocated and populated, this function allocates and @@ -184464,7 +185999,6 @@ static int fts3EvalGatherStats( if( pExpr->aMI==0 ){ Fts3Table *pTab = (Fts3Table *)pCsr->base.pVtab; Fts3Expr *pRoot; /* Root of NEAR expression */ - Fts3Expr *p; /* Iterator used for several purposes */ sqlite3_int64 iPrevId = pCsr->iPrevId; sqlite3_int64 iDocid; @@ -184472,7 +186006,9 @@ static int fts3EvalGatherStats( /* Find the root of the NEAR expression */ pRoot = pExpr; - while( pRoot->pParent && pRoot->pParent->eType==FTSQUERY_NEAR ){ + while( pRoot->pParent + && (pRoot->pParent->eType==FTSQUERY_NEAR || pRoot->bDeferred) + ){ pRoot = pRoot->pParent; } iDocid = pRoot->iDocid; @@ -184480,14 +186016,8 @@ static int fts3EvalGatherStats( assert( pRoot->bStart ); /* Allocate space for the aMSI[] array of each FTSQUERY_PHRASE node */ - for(p=pRoot; p; p=p->pLeft){ - Fts3Expr *pE = (p->eType==FTSQUERY_PHRASE?p:p->pRight); - assert( pE->aMI==0 ); - pE->aMI = (u32 *)sqlite3_malloc64(pTab->nColumn * 3 * sizeof(u32)); - if( !pE->aMI ) return SQLITE_NOMEM; - memset(pE->aMI, 0, pTab->nColumn * 3 * sizeof(u32)); - } - + rc = sqlite3Fts3ExprIterate(pRoot, fts3AllocateMSI, (void*)pTab); + if( rc!=SQLITE_OK ) return rc; fts3EvalRestart(pCsr, pRoot, &rc); while( pCsr->isEof==0 && rc==SQLITE_OK ){ @@ -184643,6 +186173,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( u8 bTreeEof = 0; Fts3Expr *p; /* Used to iterate from pExpr to root */ Fts3Expr *pNear; /* Most senior NEAR ancestor (or pExpr) */ + Fts3Expr *pRun; /* Closest non-deferred ancestor of pNear */ int bMatch; /* Check if this phrase descends from an OR expression node. If not, @@ -184657,25 +186188,30 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( if( p->bEof ) bTreeEof = 1; } if( bOr==0 ) return SQLITE_OK; + pRun = pNear; + while( pRun->bDeferred ){ + assert( pRun->pParent ); + pRun = pRun->pParent; + } /* This is the descendent of an OR node. In this case we cannot use ** an incremental phrase. Load the entire doclist for the phrase ** into memory in this case. */ if( pPhrase->bIncr ){ - int bEofSave = pNear->bEof; - fts3EvalRestart(pCsr, pNear, &rc); - while( rc==SQLITE_OK && !pNear->bEof ){ - fts3EvalNextRow(pCsr, pNear, &rc); - if( bEofSave==0 && pNear->iDocid==iDocid ) break; + int bEofSave = pRun->bEof; + fts3EvalRestart(pCsr, pRun, &rc); + while( rc==SQLITE_OK && !pRun->bEof ){ + fts3EvalNextRow(pCsr, pRun, &rc); + if( bEofSave==0 && pRun->iDocid==iDocid ) break; } assert( rc!=SQLITE_OK || pPhrase->bIncr==0 ); - if( rc==SQLITE_OK && pNear->bEof!=bEofSave ){ + if( rc==SQLITE_OK && pRun->bEof!=bEofSave ){ rc = FTS_CORRUPT_VTAB; } } if( bTreeEof ){ - while( rc==SQLITE_OK && !pNear->bEof ){ - fts3EvalNextRow(pCsr, pNear, &rc); + while( rc==SQLITE_OK && !pRun->bEof ){ + fts3EvalNextRow(pCsr, pRun, &rc); } } if( rc!=SQLITE_OK ) return rc; @@ -191591,16 +193127,18 @@ static int fts3MsrBufferData( char *pList, i64 nList ){ - if( nList>pMsr->nBuffer ){ + if( (nList+FTS3_NODE_PADDING)>pMsr->nBuffer ){ char *pNew; - pMsr->nBuffer = nList*2; - pNew = (char *)sqlite3_realloc64(pMsr->aBuffer, pMsr->nBuffer); + int nNew = nList*2 + FTS3_NODE_PADDING; + pNew = (char *)sqlite3_realloc64(pMsr->aBuffer, nNew); if( !pNew ) return SQLITE_NOMEM; pMsr->aBuffer = pNew; + pMsr->nBuffer = nNew; } assert( nList>0 ); memcpy(pMsr->aBuffer, pList, nList); + memset(&pMsr->aBuffer[nList], 0, FTS3_NODE_PADDING); return SQLITE_OK; } @@ -194782,7 +196320,7 @@ typedef sqlite3_int64 i64; /* -** Used as an fts3ExprIterate() context when loading phrase doclists to +** Used as an sqlite3Fts3ExprIterate() context when loading phrase doclists to ** Fts3Expr.aDoclist[]/nDoclist. */ typedef struct LoadDoclistCtx LoadDoclistCtx; @@ -194826,7 +196364,7 @@ struct SnippetFragment { }; /* -** This type is used as an fts3ExprIterate() context object while +** This type is used as an sqlite3Fts3ExprIterate() context object while ** accumulating the data returned by the matchinfo() function. */ typedef struct MatchInfo MatchInfo; @@ -194985,7 +196523,7 @@ static void fts3GetDeltaPosition(char **pp, i64 *piPos){ } /* -** Helper function for fts3ExprIterate() (see below). +** Helper function for sqlite3Fts3ExprIterate() (see below). */ static int fts3ExprIterate2( Fts3Expr *pExpr, /* Expression to iterate phrases of */ @@ -195019,7 +196557,7 @@ static int fts3ExprIterate2( ** Otherwise, SQLITE_OK is returned after a callback has been made for ** all eligible phrase nodes. */ -static int fts3ExprIterate( +SQLITE_PRIVATE int sqlite3Fts3ExprIterate( Fts3Expr *pExpr, /* Expression to iterate phrases of */ int (*x)(Fts3Expr*,int,void*), /* Callback function to invoke for phrases */ void *pCtx /* Second argument to pass to callback */ @@ -195028,10 +196566,9 @@ static int fts3ExprIterate( return fts3ExprIterate2(pExpr, &iPhrase, x, pCtx); } - /* -** This is an fts3ExprIterate() callback used while loading the doclists -** for each phrase into Fts3Expr.aDoclist[]/nDoclist. See also +** This is an sqlite3Fts3ExprIterate() callback used while loading the +** doclists for each phrase into Fts3Expr.aDoclist[]/nDoclist. See also ** fts3ExprLoadDoclists(). */ static int fts3ExprLoadDoclistsCb(Fts3Expr *pExpr, int iPhrase, void *ctx){ @@ -195063,9 +196600,9 @@ static int fts3ExprLoadDoclists( int *pnToken /* OUT: Number of tokens in query */ ){ int rc; /* Return Code */ - LoadDoclistCtx sCtx = {0,0,0}; /* Context for fts3ExprIterate() */ + LoadDoclistCtx sCtx = {0,0,0}; /* Context for sqlite3Fts3ExprIterate() */ sCtx.pCsr = pCsr; - rc = fts3ExprIterate(pCsr->pExpr, fts3ExprLoadDoclistsCb, (void *)&sCtx); + rc = sqlite3Fts3ExprIterate(pCsr->pExpr,fts3ExprLoadDoclistsCb,(void*)&sCtx); if( pnPhrase ) *pnPhrase = sCtx.nPhrase; if( pnToken ) *pnToken = sCtx.nToken; return rc; @@ -195078,7 +196615,7 @@ static int fts3ExprPhraseCountCb(Fts3Expr *pExpr, int iPhrase, void *ctx){ } static int fts3ExprPhraseCount(Fts3Expr *pExpr){ int nPhrase = 0; - (void)fts3ExprIterate(pExpr, fts3ExprPhraseCountCb, (void *)&nPhrase); + (void)sqlite3Fts3ExprIterate(pExpr, fts3ExprPhraseCountCb, (void *)&nPhrase); return nPhrase; } @@ -195206,8 +196743,9 @@ static void fts3SnippetDetails( } /* -** This function is an fts3ExprIterate() callback used by fts3BestSnippet(). -** Each invocation populates an element of the SnippetIter.aPhrase[] array. +** This function is an sqlite3Fts3ExprIterate() callback used by +** fts3BestSnippet(). Each invocation populates an element of the +** SnippetIter.aPhrase[] array. */ static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){ SnippetIter *p = (SnippetIter *)ctx; @@ -195297,7 +196835,9 @@ static int fts3BestSnippet( sIter.nSnippet = nSnippet; sIter.nPhrase = nList; sIter.iCurrent = -1; - rc = fts3ExprIterate(pCsr->pExpr, fts3SnippetFindPositions, (void*)&sIter); + rc = sqlite3Fts3ExprIterate( + pCsr->pExpr, fts3SnippetFindPositions, (void*)&sIter + ); if( rc==SQLITE_OK ){ /* Set the *pmSeen output variable. */ @@ -195658,10 +197198,10 @@ static int fts3ExprLHitGather( } /* -** fts3ExprIterate() callback used to collect the "global" matchinfo stats -** for a single query. +** sqlite3Fts3ExprIterate() callback used to collect the "global" matchinfo +** stats for a single query. ** -** fts3ExprIterate() callback to load the 'global' elements of a +** sqlite3Fts3ExprIterate() callback to load the 'global' elements of a ** FTS3_MATCHINFO_HITS matchinfo array. The global stats are those elements ** of the matchinfo array that are constant for all rows returned by the ** current query. @@ -195696,7 +197236,7 @@ static int fts3ExprGlobalHitsCb( } /* -** fts3ExprIterate() callback used to collect the "local" part of the +** sqlite3Fts3ExprIterate() callback used to collect the "local" part of the ** FTS3_MATCHINFO_HITS array. The local stats are those elements of the ** array that are different for each row returned by the query. */ @@ -195892,7 +197432,7 @@ static int fts3MatchinfoLcs(Fts3Cursor *pCsr, MatchInfo *pInfo){ **/ aIter = sqlite3Fts3MallocZero(sizeof(LcsIterator) * pCsr->nPhrase); if( !aIter ) return SQLITE_NOMEM; - (void)fts3ExprIterate(pCsr->pExpr, fts3MatchinfoLcsCb, (void*)aIter); + (void)sqlite3Fts3ExprIterate(pCsr->pExpr, fts3MatchinfoLcsCb, (void*)aIter); for(i=0; i<pInfo->nPhrase; i++){ LcsIterator *pIter = &aIter[i]; @@ -196069,11 +197609,11 @@ static int fts3MatchinfoValues( rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &pInfo->nDoc,0,0); if( rc!=SQLITE_OK ) break; } - rc = fts3ExprIterate(pExpr, fts3ExprGlobalHitsCb,(void*)pInfo); + rc = sqlite3Fts3ExprIterate(pExpr, fts3ExprGlobalHitsCb,(void*)pInfo); sqlite3Fts3EvalTestDeferred(pCsr, &rc); if( rc!=SQLITE_OK ) break; } - (void)fts3ExprIterate(pExpr, fts3ExprLocalHitsCb,(void*)pInfo); + (void)sqlite3Fts3ExprIterate(pExpr, fts3ExprLocalHitsCb,(void*)pInfo); break; } } @@ -196296,7 +197836,7 @@ struct TermOffsetCtx { }; /* -** This function is an fts3ExprIterate() callback used by sqlite3Fts3Offsets(). +** This function is an sqlite3Fts3ExprIterate() callback used by sqlite3Fts3Offsets(). */ static int fts3ExprTermOffsetInit(Fts3Expr *pExpr, int iPhrase, void *ctx){ TermOffsetCtx *p = (TermOffsetCtx *)ctx; @@ -196378,7 +197918,9 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( */ sCtx.iCol = iCol; sCtx.iTerm = 0; - rc = fts3ExprIterate(pCsr->pExpr, fts3ExprTermOffsetInit, (void*)&sCtx); + rc = sqlite3Fts3ExprIterate( + pCsr->pExpr, fts3ExprTermOffsetInit, (void*)&sCtx + ); if( rc!=SQLITE_OK ) goto offsets_out; /* Retreive the text stored in column iCol. If an SQL NULL is stored @@ -199754,6 +201296,13 @@ static int jsonEachBestIndex( idxMask |= iMask; } } + if( pIdxInfo->nOrderBy>0 + && pIdxInfo->aOrderBy[0].iColumn<0 + && pIdxInfo->aOrderBy[0].desc==0 + ){ + pIdxInfo->orderByConsumed = 1; + } + if( (unusableMask & ~idxMask)!=0 ){ /* If there are any unusable constraints on JSON or ROOT, then reject ** this entire plan */ @@ -199949,10 +201498,10 @@ SQLITE_PRIVATE void sqlite3RegisterJsonFunctions(void){ #endif WAGGREGATE(json_group_array, 1, 0, 0, jsonArrayStep, jsonArrayFinal, jsonArrayValue, jsonGroupInverse, - SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS), + SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC), WAGGREGATE(json_group_object, 2, 0, 0, jsonObjectStep, jsonObjectFinal, jsonObjectValue, jsonGroupInverse, - SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS) + SQLITE_SUBTYPE|SQLITE_UTF8|SQLITE_DETERMINISTIC) }; sqlite3InsertBuiltinFuncs(aJsonFunc, ArraySize(aJsonFunc)); #endif @@ -200484,7 +202033,7 @@ static int readInt16(u8 *p){ return (p[0]<<8) + p[1]; } static void readCoord(u8 *p, RtreeCoord *pCoord){ - assert( ((((char*)p) - (char*)0)&3)==0 ); /* p is always 4-byte aligned */ + assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ #if SQLITE_BYTEORDER==1234 && MSVC_VERSION>=1300 pCoord->u = _byteswap_ulong(*(u32*)p); #elif SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -200538,7 +202087,7 @@ static void writeInt16(u8 *p, int i){ } static int writeCoord(u8 *p, RtreeCoord *pCoord){ u32 i; - assert( ((((char*)p) - (char*)0)&3)==0 ); /* p is always 4-byte aligned */ + assert( (((sqlite3_uint64)p)&3)==0 ); /* p is always 4-byte aligned */ assert( sizeof(RtreeCoord)==4 ); assert( sizeof(u32)==4 ); #if SQLITE_BYTEORDER==1234 && GCC_VERSION>=4003000 @@ -201266,7 +202815,7 @@ static void rtreeNonleafConstraint( assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); - assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ + assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ case RTREE_FALSE: break; /* Never satisfied */ @@ -201319,7 +202868,7 @@ static void rtreeLeafConstraint( || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE || p->op==RTREE_FALSE ); pCellData += 8 + p->iCoord*4; - assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ + assert( (((sqlite3_uint64)pCellData)&3)==0 ); /* 4-byte aligned */ RTREE_DECODE_COORD(eInt, pCellData, xN); switch( p->op ){ case RTREE_TRUE: return; /* Always satisfied */ @@ -204691,7 +206240,7 @@ static GeoPoly *geopolyFuncParam( int nByte; testcase( pCtx==0 ); if( sqlite3_value_type(pVal)==SQLITE_BLOB - && (nByte = sqlite3_value_bytes(pVal))>=(4+6*sizeof(GeoCoord)) + && (nByte = sqlite3_value_bytes(pVal))>=(int)(4+6*sizeof(GeoCoord)) ){ const unsigned char *a = sqlite3_value_blob(pVal); int nVertex; @@ -204749,6 +206298,7 @@ static void geopolyBlobFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); @@ -204768,6 +206318,7 @@ static void geopolyJsonFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3 *db = sqlite3_context_db_handle(context); sqlite3_str *x = sqlite3_str_new(db); @@ -204849,6 +206400,7 @@ static void geopolyXformFunc( double F = sqlite3_value_double(argv[6]); GeoCoord x1, y1, x0, y0; int ii; + (void)argc; if( p ){ for(ii=0; ii<p->nVertex; ii++){ x0 = GeoX(p,ii); @@ -204899,6 +206451,7 @@ static void geopolyAreaFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ sqlite3_result_double(context, geopolyArea(p)); sqlite3_free(p); @@ -204924,6 +206477,7 @@ static void geopolyCcwFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); + (void)argc; if( p ){ if( geopolyArea(p)<0.0 ){ int ii, jj; @@ -204978,6 +206532,7 @@ static void geopolyRegularFunc( int n = sqlite3_value_int(argv[3]); int i; GeoPoly *p; + (void)argc; if( n<3 || r<=0.0 ) return; if( n>1000 ) n = 1000; @@ -205087,6 +206642,7 @@ static void geopolyBBoxFunc( sqlite3_value **argv ){ GeoPoly *p = geopolyBBox(context, argv[0], 0, 0); + (void)argc; if( p ){ sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); @@ -205114,6 +206670,7 @@ static void geopolyBBoxStep( ){ RtreeCoord a[4]; int rc = SQLITE_OK; + (void)argc; (void)geopolyBBox(context, argv[0], a, &rc); if( rc==SQLITE_OK ){ GeoBBox *pBBox; @@ -205202,6 +206759,8 @@ static void geopolyContainsPointFunc( int v = 0; int cnt = 0; int ii; + (void)argc; + if( p1==0 ) return; for(ii=0; ii<p1->nVertex-1; ii++){ v = pointBeneathLine(x0,y0,GeoX(p1,ii), GeoY(p1,ii), @@ -205241,6 +206800,7 @@ static void geopolyWithinFunc( ){ GeoPoly *p1 = geopolyFuncParam(context, argv[0], 0); GeoPoly *p2 = geopolyFuncParam(context, argv[1], 0); + (void)argc; if( p1 && p2 ){ int x = geopolyOverlap(p1, p2); if( x<0 ){ @@ -205571,6 +207131,7 @@ static void geopolyOverlapFunc( ){ GeoPoly *p1 = geopolyFuncParam(context, argv[0], 0); GeoPoly *p2 = geopolyFuncParam(context, argv[1], 0); + (void)argc; if( p1 && p2 ){ int x = geopolyOverlap(p1, p2); if( x<0 ){ @@ -205591,8 +207152,12 @@ static void geopolyDebugFunc( int argc, sqlite3_value **argv ){ + (void)context; + (void)argc; #ifdef GEOPOLY_ENABLE_DEBUG geo_debug = sqlite3_value_int(argv[0]); +#else + (void)argv; #endif } @@ -205620,6 +207185,7 @@ static int geopolyInit( sqlite3_str *pSql; char *zSql; int ii; + (void)pAux; sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1); @@ -205736,6 +207302,7 @@ static int geopolyFilter( RtreeNode *pRoot = 0; int rc = SQLITE_OK; int iCell = 0; + (void)idxStr; rtreeReference(pRtree); @@ -205862,6 +207429,7 @@ static int geopolyBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int iRowidTerm = -1; int iFuncTerm = -1; int idxNum = 0; + (void)tab; for(ii=0; ii<pIdxInfo->nConstraint; ii++){ struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[ii]; @@ -206108,6 +207676,8 @@ static int geopolyFindFunction( void (**pxFunc)(sqlite3_context*,int,sqlite3_value**), void **ppArg ){ + (void)pVtab; + (void)nArg; if( sqlite3_stricmp(zName, "geopoly_overlap")==0 ){ *pxFunc = geopolyOverlapFunc; *ppArg = 0; @@ -206177,7 +207747,7 @@ static int sqlite3_geopoly_init(sqlite3 *db){ } aAgg[] = { { geopolyBBoxStep, geopolyBBoxFinal, "geopoly_group_bbox" }, }; - int i; + unsigned int i; for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){ int enc; if( aFunc[i].bPure ){ @@ -207398,7 +208968,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** The order of the columns in the data_% table does not matter. ** ** Instead of a regular table, the RBU database may also contain virtual -** tables or view named using the data_<target> naming scheme. +** tables or views named using the data_<target> naming scheme. ** ** Instead of the plain data_<target> naming scheme, RBU database tables ** may also be named data<integer>_<target>, where <integer> is any sequence @@ -207411,7 +208981,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** ** If the target database table is a virtual table or a table that has no ** PRIMARY KEY declaration, the data_% table must also contain a column -** named "rbu_rowid". This column is mapped to the tables implicit primary +** named "rbu_rowid". This column is mapped to the table's implicit primary ** key column - "rowid". Virtual tables for which the "rowid" column does ** not function like a primary key value cannot be updated using RBU. For ** example, if the target db contains either of the following: @@ -210877,11 +212447,11 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ ** no-ops. These locks will not be released until the connection ** is closed. ** - ** * Attempting to xSync() the database file causes an SQLITE_INTERNAL + ** * Attempting to xSync() the database file causes an SQLITE_NOTICE ** error. ** ** As a result, unless an error (i.e. OOM or SQLITE_BUSY) occurs, the - ** checkpoint below fails with SQLITE_INTERNAL, and leaves the aFrame[] + ** checkpoint below fails with SQLITE_NOTICE, and leaves the aFrame[] ** array populated with a set of (frame -> page) mappings. Because the ** WRITER, CHECKPOINT and READ0 locks are still held, it is safe to copy ** data from the wal file into the database file according to the @@ -210891,7 +212461,7 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ int rc2; p->eStage = RBU_STAGE_CAPTURE; rc2 = sqlite3_exec(p->dbMain, "PRAGMA main.wal_checkpoint=restart", 0, 0,0); - if( rc2!=SQLITE_INTERNAL ) p->rc = rc2; + if( rc2!=SQLITE_NOTICE ) p->rc = rc2; } if( p->rc==SQLITE_OK && p->nFrame>0 ){ @@ -210937,7 +212507,7 @@ static int rbuCaptureWalRead(sqlite3rbu *pRbu, i64 iOff, int iAmt){ if( pRbu->mLock!=mReq ){ pRbu->rc = SQLITE_BUSY; - return SQLITE_INTERNAL; + return SQLITE_NOTICE_RBU; } pRbu->pgsz = iAmt; @@ -211676,7 +213246,8 @@ static void rbuSetupOal(sqlite3rbu *p, RbuState *pState){ static void rbuDeleteOalFile(sqlite3rbu *p){ char *zOal = rbuMPrintf(p, "%s-oal", p->zTarget); if( zOal ){ - sqlite3_vfs *pVfs = sqlite3_vfs_find(0); + sqlite3_vfs *pVfs = 0; + sqlite3_file_control(p->dbMain, "main", SQLITE_FCNTL_VFS_POINTER, &pVfs); assert( pVfs && p->rc==SQLITE_OK && p->zErrmsg==0 ); pVfs->xDelete(pVfs, zOal, 0); sqlite3_free(zOal); @@ -212324,7 +213895,7 @@ SQLITE_API void sqlite3rbu_rename_handler( ** database file are recorded. xShmLock() calls to unlock the same ** locks are no-ops (so that once obtained, these locks are never ** relinquished). Finally, calls to xSync() on the target database -** file fail with SQLITE_INTERNAL errors. +** file fail with SQLITE_NOTICE errors. */ static void rbuUnlockShm(rbu_file *p){ @@ -212433,9 +214004,12 @@ static int rbuVfsClose(sqlite3_file *pFile){ sqlite3_free(p->zDel); if( p->openFlags & SQLITE_OPEN_MAIN_DB ){ + const sqlite3_io_methods *pMeth = p->pReal->pMethods; rbuMainlistRemove(p); rbuUnlockShm(p); - p->pReal->pMethods->xShmUnmap(p->pReal, 0); + if( pMeth->iVersion>1 && pMeth->xShmUnmap ){ + pMeth->xShmUnmap(p->pReal, 0); + } } else if( (p->openFlags & SQLITE_OPEN_DELETEONCLOSE) && p->pRbu ){ rbuUpdateTempSize(p, 0); @@ -212603,7 +214177,7 @@ static int rbuVfsSync(sqlite3_file *pFile, int flags){ rbu_file *p = (rbu_file *)pFile; if( p->pRbu && p->pRbu->eStage==RBU_STAGE_CAPTURE ){ if( p->openFlags & SQLITE_OPEN_MAIN_DB ){ - return SQLITE_INTERNAL; + return SQLITE_NOTICE_RBU; } return SQLITE_OK; } @@ -212894,6 +214468,25 @@ static int rbuVfsOpen( rbuVfsShmUnmap, /* xShmUnmap */ 0, 0 /* xFetch, xUnfetch */ }; + static sqlite3_io_methods rbuvfs_io_methods1 = { + 1, /* iVersion */ + rbuVfsClose, /* xClose */ + rbuVfsRead, /* xRead */ + rbuVfsWrite, /* xWrite */ + rbuVfsTruncate, /* xTruncate */ + rbuVfsSync, /* xSync */ + rbuVfsFileSize, /* xFileSize */ + rbuVfsLock, /* xLock */ + rbuVfsUnlock, /* xUnlock */ + rbuVfsCheckReservedLock, /* xCheckReservedLock */ + rbuVfsFileControl, /* xFileControl */ + rbuVfsSectorSize, /* xSectorSize */ + rbuVfsDeviceCharacteristics, /* xDeviceCharacteristics */ + 0, 0, 0, 0, 0, 0 + }; + + + rbu_vfs *pRbuVfs = (rbu_vfs*)pVfs; sqlite3_vfs *pRealVfs = pRbuVfs->pRealVfs; rbu_file *pFd = (rbu_file *)pFile; @@ -212948,10 +214541,15 @@ static int rbuVfsOpen( rc = pRealVfs->xOpen(pRealVfs, zOpen, pFd->pReal, oflags, pOutFlags); } if( pFd->pReal->pMethods ){ + const sqlite3_io_methods *pMeth = pFd->pReal->pMethods; /* The xOpen() operation has succeeded. Set the sqlite3_file.pMethods ** pointer and, if the file is a main database file, link it into the ** mutex protected linked list of all such files. */ - pFile->pMethods = &rbuvfs_io_methods; + if( pMeth->iVersion<2 || pMeth->xShmLock==0 ){ + pFile->pMethods = &rbuvfs_io_methods1; + }else{ + pFile->pMethods = &rbuvfs_io_methods; + } if( flags & SQLITE_OPEN_MAIN_DB ){ rbuMainlistAdd(pFd); } @@ -213376,7 +214974,7 @@ struct StatTable { */ static int statConnect( sqlite3 *db, - void *pAux __maybe_unused, + void *pAux, int argc, const char *const*argv, sqlite3_vtab **ppVtab, char **pzErr @@ -213384,6 +214982,7 @@ static int statConnect( StatTable *pTab = 0; int rc = SQLITE_OK; int iDb; + (void)pAux; if( argc>=4 ){ Token nm; @@ -213432,11 +215031,12 @@ static int statDisconnect(sqlite3_vtab *pVtab){ ** 0x04 There is an aggregate=? term in the WHERE clause ** 0x08 Output should be ordered by name and path */ -static int statBestIndex(sqlite3_vtab *tab __maybe_unused, sqlite3_index_info *pIdxInfo){ +static int statBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int i; int iSchema = -1; int iName = -1; int iAgg = -1; + (void)tab; /* Look for a valid schema=? constraint. If found, change the idxNum to ** 1 and request the value of that constraint be sent to xFilter. And @@ -213952,8 +215552,8 @@ static int statEof(sqlite3_vtab_cursor *pCursor){ */ static int statFilter( sqlite3_vtab_cursor *pCursor, - int idxNum, const char *idxStr __maybe_unused, - int argc __maybe_unused, sqlite3_value **argv + int idxNum, const char *idxStr, + int argc, sqlite3_value **argv ){ StatCursor *pCsr = (StatCursor *)pCursor; StatTable *pTab = (StatTable*)(pCursor->pVtab); @@ -213962,6 +215562,8 @@ static int statFilter( int iArg = 0; /* Count of argv[] parameters used so far */ int rc = SQLITE_OK; /* Result of this operation */ const char *zName = 0; /* Only provide analysis of this table */ + (void)argc; + (void)idxStr; statResetCsr(pCsr); sqlite3_finalize(pCsr->pStmt); @@ -214045,16 +215647,16 @@ static int statColumn( } break; case 4: /* ncell */ - sqlite3_result_int(ctx, pCsr->nCell); + sqlite3_result_int64(ctx, pCsr->nCell); break; case 5: /* payload */ - sqlite3_result_int(ctx, pCsr->nPayload); + sqlite3_result_int64(ctx, pCsr->nPayload); break; case 6: /* unused */ - sqlite3_result_int(ctx, pCsr->nUnused); + sqlite3_result_int64(ctx, pCsr->nUnused); break; case 7: /* mx_payload */ - sqlite3_result_int(ctx, pCsr->nMxPayload); + sqlite3_result_int64(ctx, pCsr->nMxPayload); break; case 8: /* pgoffset */ if( !pCsr->isAgg ){ @@ -214062,7 +215664,7 @@ static int statColumn( } break; case 9: /* pgsize */ - sqlite3_result_int(ctx, pCsr->szPage); + sqlite3_result_int64(ctx, pCsr->szPage); break; case 10: { /* schema */ sqlite3 *db = sqlite3_context_db_handle(ctx); @@ -214196,6 +215798,10 @@ static int dbpageConnect( ){ DbpageTable *pTab = 0; int rc = SQLITE_OK; + (void)pAux; + (void)argc; + (void)argv; + (void)pzErr; sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); rc = sqlite3_declare_vtab(db, @@ -214234,6 +215840,7 @@ static int dbpageDisconnect(sqlite3_vtab *pVtab){ static int dbpageBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int i; int iPlan = 0; + (void)tab; /* If there is a schema= constraint, it must be honored. Report a ** ridiculously large estimated cost if the schema= constraint is @@ -214349,6 +215956,8 @@ static int dbpageFilter( sqlite3 *db = pTab->db; Btree *pBt; + (void)idxStr; + /* Default setting is no rows of result */ pCsr->pgno = 1; pCsr->mxPgno = 0; @@ -214363,7 +215972,7 @@ static int dbpageFilter( pCsr->iDb = 0; } pBt = db->aDb[pCsr->iDb].pBt; - if( pBt==0 ) return SQLITE_OK; + if( NEVER(pBt==0) ) return SQLITE_OK; pCsr->pPager = sqlite3BtreePager(pBt); pCsr->szPage = sqlite3BtreeGetPageSize(pBt); pCsr->mxPgno = sqlite3BtreeLastPage(pBt); @@ -214444,6 +216053,7 @@ static int dbpageUpdate( Pager *pPager; int szPage; + (void)pRowid; if( pTab->db->flags & SQLITE_Defensive ){ zErr = "read-only"; goto update_fail; @@ -214453,18 +216063,20 @@ static int dbpageUpdate( goto update_fail; } pgno = sqlite3_value_int(argv[0]); - if( (Pgno)sqlite3_value_int(argv[1])!=pgno ){ + if( sqlite3_value_type(argv[0])==SQLITE_NULL + || (Pgno)sqlite3_value_int(argv[1])!=pgno + ){ zErr = "cannot insert"; goto update_fail; } zSchema = (const char*)sqlite3_value_text(argv[4]); - iDb = zSchema ? sqlite3FindDbName(pTab->db, zSchema) : -1; - if( iDb<0 ){ + iDb = ALWAYS(zSchema) ? sqlite3FindDbName(pTab->db, zSchema) : -1; + if( NEVER(iDb<0) ){ zErr = "no such schema"; goto update_fail; } pBt = pTab->db->aDb[iDb].pBt; - if( pgno<1 || pBt==0 || pgno>sqlite3BtreeLastPage(pBt) ){ + if( NEVER(pgno<1) || NEVER(pBt==0) || NEVER(pgno>sqlite3BtreeLastPage(pBt)) ){ zErr = "bad page number"; goto update_fail; } @@ -214503,12 +216115,11 @@ static int dbpageBegin(sqlite3_vtab *pVtab){ DbpageTable *pTab = (DbpageTable *)pVtab; sqlite3 *db = pTab->db; int i; - int rc = SQLITE_OK; - for(i=0; rc==SQLITE_OK && i<db->nDb; i++){ + for(i=0; i<db->nDb; i++){ Btree *pBt = db->aDb[i].pBt; - if( pBt ) rc = sqlite3BtreeBeginTrans(pBt, 1, 0); + if( pBt ) (void)sqlite3BtreeBeginTrans(pBt, 1, 0); } - return rc; + return SQLITE_OK; } @@ -216051,6 +217662,8 @@ static void xPreUpdate( int nDb = sqlite3Strlen30(zDb); assert( sqlite3_mutex_held(db->mutex) ); + (void)iKey1; + (void)iKey2; for(pSession=(sqlite3_session *)pCtx; pSession; pSession=pSession->pNext){ SessionTable *pTab; @@ -216127,6 +217740,7 @@ static int sessionDiffCount(void *pCtx){ return p->nOldOff ? p->nOldOff : sqlite3_column_count(p->pStmt); } static int sessionDiffDepth(void *pCtx){ + (void)pCtx; return 0; } @@ -216200,7 +217814,6 @@ static char *sessionExprCompareOther( } static char *sessionSelectFindNew( - int nCol, const char *zDb1, /* Pick rows in this db only */ const char *zDb2, /* But not in this one */ const char *zTbl, /* Table name */ @@ -216224,7 +217837,7 @@ static int sessionDiffFindNew( char *zExpr ){ int rc = SQLITE_OK; - char *zStmt = sessionSelectFindNew(pTab->nCol, zDb1, zDb2, pTab->zName,zExpr); + char *zStmt = sessionSelectFindNew(zDb1, zDb2, pTab->zName,zExpr); if( zStmt==0 ){ rc = SQLITE_NOMEM; @@ -218741,7 +220354,6 @@ static int sessionBindRow( ** UPDATE, bind values from the old.* record. */ static int sessionSeekToRow( - sqlite3 *db, /* Database handle */ sqlite3_changeset_iter *pIter, /* Changeset iterator */ u8 *abPK, /* Primary key flags array */ sqlite3_stmt *pSelect /* SELECT statement from sessionSelectRow() */ @@ -218871,7 +220483,7 @@ static int sessionConflictHandler( /* Bind the new.* PRIMARY KEY values to the SELECT statement. */ if( pbReplace ){ - rc = sessionSeekToRow(p->db, pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p->abPK, p->pSelect); }else{ rc = SQLITE_OK; } @@ -219045,7 +220657,7 @@ static int sessionApplyOneOp( /* Check if there is a conflicting row. For sqlite_stat1, this needs ** to be done using a SELECT, as there is no PRIMARY KEY in the ** database schema to throw an exception if a duplicate is inserted. */ - rc = sessionSeekToRow(p->db, pIter, p->abPK, p->pSelect); + rc = sessionSeekToRow(pIter, p->abPK, p->pSelect); if( rc==SQLITE_ROW ){ rc = SQLITE_CONSTRAINT; sqlite3_reset(p->pSelect); @@ -225695,6 +227307,19 @@ static int sqlite3Fts5ExprNew( } /* +** Assuming that buffer z is at least nByte bytes in size and contains a +** valid utf-8 string, return the number of characters in the string. +*/ +static int fts5ExprCountChar(const char *z, int nByte){ + int nRet = 0; + int ii; + for(ii=0; ii<nByte; ii++){ + if( (z[ii] & 0xC0)!=0x80 ) nRet++; + } + return nRet; +} + +/* ** This function is only called when using the special 'trigram' tokenizer. ** Argument zText contains the text of a LIKE or GLOB pattern matched ** against column iCol. This function creates and compiles an FTS5 MATCH @@ -225731,7 +227356,8 @@ static int sqlite3Fts5ExprPattern( if( i==nText || zText[i]==aSpec[0] || zText[i]==aSpec[1] || zText[i]==aSpec[2] ){ - if( i-iFirst>=3 ){ + + if( fts5ExprCountChar(&zText[iFirst], i-iFirst)>=3 ){ int jj; zExpr[iOut++] = '"'; for(jj=iFirst; jj<i; jj++){ @@ -229092,6 +230718,8 @@ static void sqlite3Fts5HashScanEntry( # error "FTS5_MAX_PREFIX_INDEXES is too large" #endif +#define FTS5_MAX_LEVEL 64 + /* ** Details: ** @@ -233806,10 +235434,10 @@ static Fts5Structure *fts5IndexOptimizeStruct( if( pNew ){ Fts5StructureLevel *pLvl; nByte = nSeg * sizeof(Fts5StructureSegment); - pNew->nLevel = pStruct->nLevel+1; + pNew->nLevel = MIN(pStruct->nLevel+1, FTS5_MAX_LEVEL); pNew->nRef = 1; pNew->nWriteCounter = pStruct->nWriteCounter; - pLvl = &pNew->aLevel[pStruct->nLevel]; + pLvl = &pNew->aLevel[pNew->nLevel-1]; pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&p->rc, nByte); if( pLvl->aSeg ){ int iLvl, iSeg; @@ -234111,7 +235739,7 @@ static void fts5MergePrefixLists( /* Initialize a doclist-iterator for each input buffer. Arrange them in ** a linked-list starting at pHead in ascending order of rowid. Avoid ** linking any iterators already at EOF into the linked list at all. */ - assert( nBuf+1<=sizeof(aMerger)/sizeof(aMerger[0]) ); + assert( nBuf+1<=(int)(sizeof(aMerger)/sizeof(aMerger[0])) ); memset(aMerger, 0, sizeof(PrefixMerger)*(nBuf+1)); pHead = &aMerger[nBuf]; fts5DoclistIterInit(p1, &pHead->iter); @@ -238654,7 +240282,7 @@ static void fts5SourceIdFunc( ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2022-12-28 14:03:47 df5c253c0b3dd24916e4ec7cf77d3db5294cc9fd45ae7b9c5e82ad8197f38a24", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da", -1, SQLITE_TRANSIENT); } /* @@ -238727,7 +240355,9 @@ static int fts5Init(sqlite3 *db){ } if( rc==SQLITE_OK ){ rc = sqlite3_create_function( - db, "fts5_source_id", 0, SQLITE_UTF8, p, fts5SourceIdFunc, 0, 0 + db, "fts5_source_id", 0, + SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS, + p, fts5SourceIdFunc, 0, 0 ); } } @@ -243392,6 +245022,10 @@ static int stmtConnect( #define STMT_COLUMN_MEM 10 /* SQLITE_STMTSTATUS_MEMUSED */ + (void)pAux; + (void)argc; + (void)argv; + (void)pzErr; rc = sqlite3_declare_vtab(db, "CREATE TABLE x(sql,ncol,ro,busy,nscan,nsort,naidx,nstep," "reprep,run,mem)"); @@ -243511,6 +245145,10 @@ static int stmtFilter( sqlite3_int64 iRowid = 1; StmtRow **ppRow = 0; + (void)idxNum; + (void)idxStr; + (void)argc; + (void)argv; stmtCsrReset(pCur); ppRow = &pCur->pRow; for(p=sqlite3_next_stmt(pCur->db, 0); p; p=sqlite3_next_stmt(pCur->db, p)){ @@ -243566,6 +245204,7 @@ static int stmtBestIndex( sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo ){ + (void)tab; pIdxInfo->estimatedCost = (double)500; pIdxInfo->estimatedRows = 500; return SQLITE_OK; diff --git a/database/sqlite/sqlite3.h b/database/sqlite/sqlite3.h index 24b916750..7e43e1f1b 100644 --- a/database/sqlite/sqlite3.h +++ b/database/sqlite/sqlite3.h @@ -146,9 +146,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.40.1" -#define SQLITE_VERSION_NUMBER 3040001 -#define SQLITE_SOURCE_ID "2022-12-28 14:03:47 df5c253c0b3dd24916e4ec7cf77d3db5294cc9fd45ae7b9c5e82ad8197f38a24" +#define SQLITE_VERSION "3.41.2" +#define SQLITE_VERSION_NUMBER 3041002 +#define SQLITE_SOURCE_ID "2023-03-22 11:56:21 0d1fc92f94cb6b76bffe3ec34d69cffde2924203304e8ffc4155597af0c191da" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -563,6 +563,7 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_DATATYPE (SQLITE_CONSTRAINT |(12<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) +#define SQLITE_NOTICE_RBU (SQLITE_NOTICE | (3<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) @@ -1175,7 +1176,6 @@ struct sqlite3_io_methods { ** in wal mode after the client has finished copying pages from the wal ** file to the database file, but before the *-shm file is updated to ** record the fact that the pages have been checkpointed. -** </ul> ** ** <li>[[SQLITE_FCNTL_EXTERNAL_READER]] ** The EXPERIMENTAL [SQLITE_FCNTL_EXTERNAL_READER] opcode is used to detect @@ -1188,16 +1188,16 @@ struct sqlite3_io_methods { ** the database is not a wal-mode db, or if there is no such connection in any ** other process. This opcode cannot be used to detect transactions opened ** by clients within the current process, only within other processes. -** </ul> ** ** <li>[[SQLITE_FCNTL_CKSM_FILE]] -** Used by the cksmvfs VFS module only. +** The [SQLITE_FCNTL_CKSM_FILE] opcode is for use interally by the +** [checksum VFS shim] only. ** ** <li>[[SQLITE_FCNTL_RESET_CACHE]] ** If there is currently no transaction open on the database, and the -** database is not a temp db, then this file-control purges the contents -** of the in-memory page cache. If there is an open transaction, or if -** the db is a temp-db, it is a no-op, not an error. +** database is not a temp db, then the [SQLITE_FCNTL_RESET_CACHE] file-control +** purges the contents of the in-memory page cache. If there is an open +** transaction, or if the db is a temp-db, this opcode is a no-op, not an error. ** </ul> */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -2184,7 +2184,7 @@ struct sqlite3_mem_methods { ** configuration for a database connection can only be changed when that ** connection is not currently using lookaside memory, or in other words ** when the "current value" returned by -** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. +** [sqlite3_db_status](D,[SQLITE_DBSTATUS_LOOKASIDE_USED],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside ** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^</dd> @@ -2334,8 +2334,12 @@ struct sqlite3_mem_methods { ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); ** </ol> ** Because resetting a database is destructive and irreversible, the -** process requires the use of this obscure API and multiple steps to help -** ensure that it does not happen by accident. +** process requires the use of this obscure API and multiple steps to +** help ensure that it does not happen by accident. Because this +** feature must be capable of resetting corrupt databases, and +** shutting down virtual tables may require access to that corrupt +** storage, the library must abandon any installed virtual tables +** without calling their xDestroy() methods. ** ** [[SQLITE_DBCONFIG_DEFENSIVE]] <dt>SQLITE_DBCONFIG_DEFENSIVE</dt> ** <dd>The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the @@ -2674,8 +2678,12 @@ SQLITE_API sqlite3_int64 sqlite3_total_changes64(sqlite3*); ** ^A call to sqlite3_interrupt(D) that occurs when there are no running ** SQL statements is a no-op and has no effect on SQL statements ** that are started after the sqlite3_interrupt() call returns. +** +** ^The [sqlite3_is_interrupted(D)] interface can be used to determine whether +** or not an interrupt is currently in effect for [database connection] D. */ SQLITE_API void sqlite3_interrupt(sqlite3*); +SQLITE_API int sqlite3_is_interrupted(sqlite3*); /* ** CAPI3REF: Determine If An SQL Statement Is Complete @@ -3293,8 +3301,8 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** <dd>^An SQLITE_TRACE_PROFILE callback provides approximately the same ** information as is provided by the [sqlite3_profile()] callback. ** ^The P argument is a pointer to the [prepared statement] and the -** X argument points to a 64-bit integer which is the estimated of -** the number of nanosecond that the prepared statement took to run. +** X argument points to a 64-bit integer which is approximately +** the number of nanoseconds that the prepared statement took to run. ** ^The SQLITE_TRACE_PROFILE callback is invoked when the statement finishes. ** ** [[SQLITE_TRACE_ROW]] <dt>SQLITE_TRACE_ROW</dt> @@ -3357,7 +3365,7 @@ SQLITE_API int sqlite3_trace_v2( ** ** ^The sqlite3_progress_handler(D,N,X,P) interface causes the callback ** function X to be invoked periodically during long running calls to -** [sqlite3_exec()], [sqlite3_step()] and [sqlite3_get_table()] for +** [sqlite3_step()] and [sqlite3_prepare()] and similar for ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** @@ -3382,6 +3390,13 @@ SQLITE_API int sqlite3_trace_v2( ** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their ** database connections for the meaning of "modify" in this paragraph. ** +** The progress handler callback would originally only be invoked from the +** bytecode engine. It still might be invoked during [sqlite3_prepare()] +** and similar because those routines might force a reparse of the schema +** which involves running the bytecode engine. However, beginning with +** SQLite version 3.41.0, the progress handler callback might also be +** invoked directly from [sqlite3_prepare()] while analyzing and generating +** code for complex queries. */ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); @@ -3418,13 +3433,18 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <dl> ** ^(<dt>[SQLITE_OPEN_READONLY]</dt> -** <dd>The database is opened in read-only mode. If the database does not -** already exist, an error is returned.</dd>)^ +** <dd>The database is opened in read-only mode. If the database does +** not already exist, an error is returned.</dd>)^ ** ** ^(<dt>[SQLITE_OPEN_READWRITE]</dt> -** <dd>The database is opened for reading and writing if possible, or reading -** only if the file is write protected by the operating system. In either -** case the database must already exist, otherwise an error is returned.</dd>)^ +** <dd>The database is opened for reading and writing if possible, or +** reading only if the file is write protected by the operating +** system. In either case the database must already exist, otherwise +** an error is returned. For historical reasons, if opening in +** read-write mode fails due to OS-level permissions, an attempt is +** made to open it in read-only mode. [sqlite3_db_readonly()] can be +** used to determine whether the database is actually +** read-write.</dd>)^ ** ** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt> ** <dd>The database is opened for reading and writing, and is created if @@ -5405,10 +5425,21 @@ SQLITE_API int sqlite3_create_window_function( ** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in ** schema structures such as [CHECK constraints], [DEFAULT clauses], ** [expression indexes], [partial indexes], or [generated columns]. -** The SQLITE_DIRECTONLY flags is a security feature which is recommended -** for all [application-defined SQL functions], and especially for functions -** that have side-effects or that could potentially leak sensitive -** information. +** <p> +** The SQLITE_DIRECTONLY flag is recommended for any +** [application-defined SQL function] +** that has side-effects or that could potentially leak sensitive information. +** This will prevent attacks in which an application is tricked +** into using a database file that has had its schema surreptiously +** modified to invoke the application-defined function in ways that are +** harmful. +** <p> +** Some people say it is good practice to set SQLITE_DIRECTONLY on all +** [application-defined SQL functions], regardless of whether or not they +** are security sensitive, as doing so prevents those functions from being used +** inside of the database schema, and thus ensures that the database +** can be inspected and modified using generic tools (such as the [CLI]) +** that do not have access to the application-defined functions. ** </dd> ** ** [[SQLITE_INNOCUOUS]] <dt>SQLITE_INNOCUOUS</dt><dd> @@ -5549,16 +5580,6 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** then the conversion is performed. Otherwise no conversion occurs. ** The [SQLITE_INTEGER | datatype] after conversion is returned.)^ ** -** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], -** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current encoding -** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) -** returns something other than SQLITE_TEXT, then the return value from -** sqlite3_value_encoding(X) is meaningless. ^Calls to -** sqlite3_value_text(X), sqlite3_value_text16(X), sqlite3_value_text16be(X), -** sqlite3_value_text16le(X), sqlite3_value_bytes(X), or -** sqlite3_value_bytes16(X) might change the encoding of the value X and -** thus change the return from subsequent calls to sqlite3_value_encoding(X). -** ** ^Within the [xUpdate] method of a [virtual table], the ** sqlite3_value_nochange(X) interface returns true if and only if ** the column corresponding to X is unchanged by the UPDATE operation @@ -5623,6 +5644,27 @@ SQLITE_API int sqlite3_value_type(sqlite3_value*); SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*); SQLITE_API int sqlite3_value_nochange(sqlite3_value*); SQLITE_API int sqlite3_value_frombind(sqlite3_value*); + +/* +** CAPI3REF: Report the internal text encoding state of an sqlite3_value object +** METHOD: sqlite3_value +** +** ^(The sqlite3_value_encoding(X) interface returns one of [SQLITE_UTF8], +** [SQLITE_UTF16BE], or [SQLITE_UTF16LE] according to the current text encoding +** of the value X, assuming that X has type TEXT.)^ If sqlite3_value_type(X) +** returns something other than SQLITE_TEXT, then the return value from +** sqlite3_value_encoding(X) is meaningless. ^Calls to +** [sqlite3_value_text(X)], [sqlite3_value_text16(X)], [sqlite3_value_text16be(X)], +** [sqlite3_value_text16le(X)], [sqlite3_value_bytes(X)], or +** [sqlite3_value_bytes16(X)] might change the encoding of the value X and +** thus change the return from subsequent calls to sqlite3_value_encoding(X). +** +** This routine is intended for used by applications that test and validate +** the SQLite implementation. This routine is inquiring about the opaque +** internal state of an [sqlite3_value] object. Ordinary applications should +** not need to know what the internal state of an sqlite3_value object is and +** hence should not need to use this interface. +*/ SQLITE_API int sqlite3_value_encoding(sqlite3_value*); /* @@ -7004,15 +7046,6 @@ SQLITE_API int sqlite3_cancel_auto_extension(void(*xEntryPoint)(void)); SQLITE_API void sqlite3_reset_auto_extension(void); /* -** The interface to the virtual-table mechanism is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - -/* ** Structures used by the virtual table interface */ typedef struct sqlite3_vtab sqlite3_vtab; @@ -7130,10 +7163,10 @@ struct sqlite3_module { ** when the omit flag is true there is no guarantee that the constraint will ** not be checked again using byte code.)^ ** -** ^The idxNum and idxPtr values are recorded and passed into the +** ^The idxNum and idxStr values are recorded and passed into the ** [xFilter] method. -** ^[sqlite3_free()] is used to free idxPtr if and only if -** needToFreeIdxPtr is true. +** ^[sqlite3_free()] is used to free idxStr if and only if +** needToFreeIdxStr is true. ** ** ^The orderByConsumed means that output from [xFilter]/[xNext] will occur in ** the correct order to satisfy the ORDER BY clause so that no separate @@ -7253,7 +7286,7 @@ struct sqlite3_index_info { ** the [sqlite3_vtab_collation()] interface. For most real-world virtual ** tables, the collating sequence of constraints does not matter (for example ** because the constraints are numeric) and so the sqlite3_vtab_collation() -** interface is no commonly needed. +** interface is not commonly needed. */ #define SQLITE_INDEX_CONSTRAINT_EQ 2 #define SQLITE_INDEX_CONSTRAINT_GT 4 @@ -7413,16 +7446,6 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); SQLITE_API int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg); /* -** The interface to the virtual-table mechanism defined above (back up -** to a comment remarkably similar to this one) is currently considered -** to be experimental. The interface might change in incompatible ways. -** If this is a problem for you, do not use the interface at this time. -** -** When the virtual-table mechanism stabilizes, we will declare the -** interface fixed, support it indefinitely, and remove this comment. -*/ - -/* ** CAPI3REF: A Handle To An Open BLOB ** KEYWORDS: {BLOB handle} {BLOB handles} ** @@ -9625,7 +9648,7 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); ** <li><p> Otherwise, "BINARY" is returned. ** </ol> */ -SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_info*,int); +SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info*,int); /* ** CAPI3REF: Determine if a virtual table query is DISTINCT @@ -9782,21 +9805,20 @@ SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle); ** is undefined and probably harmful. ** ** The X parameter in a call to sqlite3_vtab_in_first(X,P) or -** sqlite3_vtab_in_next(X,P) must be one of the parameters to the +** sqlite3_vtab_in_next(X,P) should be one of the parameters to the ** xFilter method which invokes these routines, and specifically ** a parameter that was previously selected for all-at-once IN constraint ** processing use the [sqlite3_vtab_in()] interface in the ** [xBestIndex|xBestIndex method]. ^(If the X parameter is not ** an xFilter argument that was selected for all-at-once IN constraint -** processing, then these routines return [SQLITE_MISUSE])^ or perhaps -** exhibit some other undefined or harmful behavior. +** processing, then these routines return [SQLITE_ERROR].)^ ** ** ^(Use these routines to access all values on the right-hand side ** of the IN constraint using code like the following: ** ** <blockquote><pre> ** for(rc=sqlite3_vtab_in_first(pList, &pVal); -** rc==SQLITE_OK && pVal +** rc==SQLITE_OK && pVal; ** rc=sqlite3_vtab_in_next(pList, &pVal) ** ){ ** // do something with pVal @@ -9894,6 +9916,10 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** managed by the prepared statement S and will be automatically freed when ** S is finalized. ** +** Not all values are available for all query elements. When a value is +** not available, the output variable is set to -1 if the value is numeric, +** or to NULL if it is a string (SQLITE_SCANSTAT_NAME). +** ** <dl> ** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt> ** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be @@ -9921,12 +9947,24 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** -** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt> +** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECTID</dt> ** <dd>^The "int" variable pointed to by the V parameter will be set to the -** "select-id" for the X-th loop. The select-id identifies which query or -** subquery the loop is part of. The main query has a select-id of zero. -** The select-id is the same value as is output in the first column -** of an [EXPLAIN QUERY PLAN] query. +** id for the X-th query plan element. The id value is unique within the +** statement. The select-id is the same value as is output in the first +** column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_PARENTID]] <dt>SQLITE_SCANSTAT_PARENTID</dt> +** <dd>The "int" variable pointed to by the V parameter will be set to the +** the id of the parent of the current query element, if applicable, or +** to zero if the query element has no parent. This is the same value as +** returned in the second column of an [EXPLAIN QUERY PLAN] query. +** +** [[SQLITE_SCANSTAT_NCYCLE]] <dt>SQLITE_SCANSTAT_NCYCLE</dt> +** <dd>The sqlite3_int64 output value is set to the number of cycles, +** according to the processor time-stamp counter, that elapsed while the +** query element was being processed. This value is not available for +** all query elements - if it is unavailable the output variable is +** set to -1. ** </dl> */ #define SQLITE_SCANSTAT_NLOOP 0 @@ -9935,12 +9973,14 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** #define SQLITE_SCANSTAT_NAME 3 #define SQLITE_SCANSTAT_EXPLAIN 4 #define SQLITE_SCANSTAT_SELECTID 5 +#define SQLITE_SCANSTAT_PARENTID 6 +#define SQLITE_SCANSTAT_NCYCLE 7 /* ** CAPI3REF: Prepared Statement Scan Status ** METHOD: sqlite3_stmt ** -** This interface returns information about the predicted and measured +** These interfaces return information about the predicted and measured ** performance for pStmt. Advanced applications can use this ** interface to compare the predicted and the measured performance and ** issue warnings and/or rerun [ANALYZE] if discrepancies are found. @@ -9951,19 +9991,25 @@ SQLITE_API int sqlite3_vtab_rhs_value(sqlite3_index_info*, int, sqlite3_value ** ** ** The "iScanStatusOp" parameter determines which status information to return. ** The "iScanStatusOp" must be one of the [scanstatus options] or the behavior -** of this interface is undefined. -** ^The requested measurement is written into a variable pointed to by -** the "pOut" parameter. -** Parameter "idx" identifies the specific loop to retrieve statistics for. -** Loops are numbered starting from zero. ^If idx is out of range - less than -** zero or greater than or equal to the total number of loops used to implement -** the statement - a non-zero value is returned and the variable that pOut -** points to is unchanged. -** -** ^Statistics might not be available for all loops in all statements. ^In cases -** where there exist loops with no available statistics, this function behaves -** as if the loop did not exist - it returns non-zero and leave the variable -** that pOut points to unchanged. +** of this interface is undefined. ^The requested measurement is written into +** a variable pointed to by the "pOut" parameter. +** +** The "flags" parameter must be passed a mask of flags. At present only +** one flag is defined - SQLITE_SCANSTAT_COMPLEX. If SQLITE_SCANSTAT_COMPLEX +** is specified, then status information is available for all elements +** of a query plan that are reported by "EXPLAIN QUERY PLAN" output. If +** SQLITE_SCANSTAT_COMPLEX is not specified, then only query plan elements +** that correspond to query loops (the "SCAN..." and "SEARCH..." elements of +** the EXPLAIN QUERY PLAN output) are available. Invoking API +** sqlite3_stmt_scanstatus() is equivalent to calling +** sqlite3_stmt_scanstatus_v2() with a zeroed flags parameter. +** +** Parameter "idx" identifies the specific query element to retrieve statistics +** for. Query elements are numbered starting from zero. A value of -1 may be +** to query for statistics regarding the entire query. ^If idx is out of range +** - less than -1 or greater than or equal to the total number of query +** elements used to implement the statement - a non-zero value is returned and +** the variable that pOut points to is unchanged. ** ** See also: [sqlite3_stmt_scanstatus_reset()] */ @@ -9973,6 +10019,19 @@ SQLITE_API int sqlite3_stmt_scanstatus( int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ ); +SQLITE_API int sqlite3_stmt_scanstatus_v2( + sqlite3_stmt *pStmt, /* Prepared statement for which info desired */ + int idx, /* Index of loop to report on */ + int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ + int flags, /* Mask of flags defined below */ + void *pOut /* Result written here */ +); + +/* +** CAPI3REF: Prepared Statement Scan Status +** KEYWORDS: {scan status flags} +*/ +#define SQLITE_SCANSTAT_COMPLEX 0x0001 /* ** CAPI3REF: Zero Scan-Status Counters @@ -10063,6 +10122,10 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** function is not defined for operations on WITHOUT ROWID tables, or for ** DELETE operations on rowid tables. ** +** ^The sqlite3_preupdate_hook(D,C,P) function returns the P argument from +** the previous call on the same [database connection] D, or NULL for +** the first call on D. +** ** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()], ** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces ** provide additional information about a preupdate event. These routines @@ -10468,6 +10531,19 @@ SQLITE_API int sqlite3_deserialize( # undef double #endif +#if defined(__wasi__) +# undef SQLITE_WASI +# define SQLITE_WASI 1 +# undef SQLITE_OMIT_WAL +# define SQLITE_OMIT_WAL 1/* because it requires shared memory APIs */ +# ifndef SQLITE_OMIT_LOAD_EXTENSION +# define SQLITE_OMIT_LOAD_EXTENSION +# endif +# ifndef SQLITE_THREADSAFE +# define SQLITE_THREADSAFE 0 +# endif +#endif + #ifdef __cplusplus } /* End of the 'extern "C"' block */ #endif diff --git a/database/sqlite/sqlite_aclk_alert.c b/database/sqlite/sqlite_aclk_alert.c index 1e5bd0b74..52d343acb 100644 --- a/database/sqlite/sqlite_aclk_alert.c +++ b/database/sqlite/sqlite_aclk_alert.c @@ -75,7 +75,7 @@ static inline bool is_event_from_alert_variable_config(uint32_t unique_id, char return ret; } -#define MAX_REMOVED_PERIOD 86400 +#define MAX_REMOVED_PERIOD 604800 //a week //decide if some events should be sent or not #define SQL_SELECT_ALERT_BY_ID "SELECT hl.new_status, hl.config_hash_id, hl.unique_id FROM health_log_%s hl, aclk_alert_%s aa " \ @@ -255,6 +255,29 @@ int rrdcalc_status_to_proto_enum(RRDCALC_STATUS status) #endif } +static inline char *sqlite3_uuid_unparse_strdupz(sqlite3_stmt *res, int iCol) { + char uuid_str[UUID_STR_LEN]; + + if(sqlite3_column_type(res, iCol) == SQLITE_NULL) + uuid_str[0] = '\0'; + else + uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, iCol)), uuid_str); + + return strdupz(uuid_str); +} + +static inline char *sqlite3_text_strdupz_empty(sqlite3_stmt *res, int iCol) { + char *ret; + + if(sqlite3_column_type(res, iCol) == SQLITE_NULL) + ret = ""; + else + ret = (char *)sqlite3_column_text(res, iCol); + + return strdupz(ret); +} + + void aclk_push_alert_event(struct aclk_sync_host_config *wc) { #ifndef ENABLE_ACLK @@ -285,7 +308,7 @@ void aclk_push_alert_event(struct aclk_sync_host_config *wc) buffer_sprintf(sql, "select aa.sequence_id, hl.unique_id, hl.alarm_id, hl.config_hash_id, hl.updated_by_id, hl.when_key, " \ " hl.duration, hl.non_clear_duration, hl.flags, hl.exec_run_timestamp, hl.delay_up_to_timestamp, hl.name, " \ " hl.chart, hl.family, hl.exec, hl.recipient, hl.source, hl.units, hl.info, hl.exec_code, hl.new_status, " \ - " hl.old_status, hl.delay, hl.new_value, hl.old_value, hl.last_repeat, hl.chart_context " \ + " hl.old_status, hl.delay, hl.new_value, hl.old_value, hl.last_repeat, hl.chart_context, hl.transition_id, hl.alarm_event_id " \ " from health_log_%s hl, aclk_alert_%s aa " \ " where hl.unique_id = aa.alert_unique_id and aa.date_submitted is null " \ " order by aa.sequence_id asc limit %d;", wc->uuid_str, wc->uuid_str, limit); @@ -321,7 +344,6 @@ void aclk_push_alert_event(struct aclk_sync_host_config *wc) } } - char uuid_str[GUID_LEN + 1]; uint64_t first_sequence_id = 0; uint64_t last_sequence_id = 0; static __thread uint64_t log_first_sequence_id = 0; @@ -343,8 +365,7 @@ void aclk_push_alert_event(struct aclk_sync_host_config *wc) //alarm_log.sequence_id = (uint64_t) sqlite3_column_int64(res, 0); alarm_log.when = (time_t) sqlite3_column_int64(res, 5); - uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, 3)), uuid_str); - alarm_log.config_hash = strdupz((char *)uuid_str); + alarm_log.config_hash = sqlite3_uuid_unparse_strdupz(res, 3); alarm_log.utc_offset = wc->host->utc_offset; alarm_log.timezone = strdupz(rrdhost_abbrev_timezone(wc->host)); @@ -387,13 +408,12 @@ void aclk_push_alert_event(struct aclk_sync_host_config *wc) alarm_log.old_value = (NETDATA_DOUBLE) sqlite3_column_double(res, 24); alarm_log.updated = (sqlite3_column_int64(res, 8) & HEALTH_ENTRY_FLAG_UPDATED) ? 1 : 0; - alarm_log.rendered_info = sqlite3_column_type(res, 18) == SQLITE_NULL ? - strdupz((char *)"") : - strdupz((char *)sqlite3_column_text(res, 18)); + alarm_log.rendered_info = sqlite3_text_strdupz_empty(res, 18); - alarm_log.chart_context = sqlite3_column_type(res, 26) == SQLITE_NULL ? - strdupz((char *)"") : - strdupz((char *)sqlite3_column_text(res, 26)); + alarm_log.chart_context = sqlite3_text_strdupz_empty(res, 26); + alarm_log.transition_id = sqlite3_uuid_unparse_strdupz(res, 27); + + alarm_log.event_id = (time_t) sqlite3_column_int64(res, 28); aclk_send_alarm_log_entry(&alarm_log); @@ -463,7 +483,7 @@ void aclk_push_alert_events_for_all_hosts(void) void sql_queue_existing_alerts_to_aclk(RRDHOST *host) { - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); BUFFER *sql = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite); @@ -747,8 +767,10 @@ void aclk_process_send_alarm_snapshot(char *node_id, char *claim_id __maybe_unus void health_alarm_entry2proto_nolock(struct alarm_log_entry *alarm_log, ALARM_ENTRY *ae, RRDHOST *host) { char *edit_command = ae->source ? health_edit_command_from_source(ae_source(ae)) : strdupz("UNKNOWN=0=UNKNOWN"); - char config_hash_id[GUID_LEN + 1]; + char config_hash_id[UUID_STR_LEN]; uuid_unparse_lower(ae->config_hash_id, config_hash_id); + char transition_id[UUID_STR_LEN]; + uuid_unparse_lower(ae->transition_id, transition_id); alarm_log->chart = strdupz(ae_chart_name(ae)); alarm_log->name = strdupz(ae_name(ae)); @@ -790,6 +812,9 @@ void health_alarm_entry2proto_nolock(struct alarm_log_entry *alarm_log, ALARM_EN alarm_log->rendered_info = strdupz(ae_info(ae)); alarm_log->chart_context = strdupz(ae_chart_context(ae)); + alarm_log->transition_id = strdupz((char *)transition_id); + alarm_log->event_id = (uint64_t) ae->alarm_event_id; + freez(edit_command); } #endif @@ -939,18 +964,14 @@ void aclk_push_alert_snapshot_event(char *node_id __maybe_unused) #endif } -#define SQL_DELETE_ALERT_ENTRIES "DELETE FROM aclk_alert_%s WHERE filtered_alert_unique_id NOT IN (SELECT unique_id FROM health_log_%s);" - +#define SQL_DELETE_ALERT_ENTRIES "DELETE FROM aclk_alert_%s WHERE filtered_alert_unique_id + %d < UNIXEPOCH();" void sql_aclk_alert_clean_dead_entries(RRDHOST *host) { - if (!claimed()) - return; - char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); - char sql[512]; - snprintfz(sql,511,SQL_DELETE_ALERT_ENTRIES, uuid_str, uuid_str); + char sql[ACLK_SYNC_QUERY_SIZE]; + snprintfz(sql, ACLK_SYNC_QUERY_SIZE - 1, SQL_DELETE_ALERT_ENTRIES, uuid_str, MAX_REMOVED_PERIOD); char *err_msg = NULL; int rc = sqlite3_exec_monitored(db_meta, sql, NULL, NULL, &err_msg); @@ -1038,6 +1059,7 @@ static inline int compare_active_alerts(const void * a, const void * b) { return strcmp(active_alerts_a->name, active_alerts_b->name); } +#define BATCH_ALLOCATED 10 void aclk_push_alarm_checkpoint(RRDHOST *host __maybe_unused) { #ifdef ENABLE_ACLK @@ -1047,21 +1069,18 @@ void aclk_push_alarm_checkpoint(RRDHOST *host __maybe_unused) return; } - //TODO: make sure all pending events are sent. if (rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS)) { //postpone checkpoint send - wc->alert_checkpoint_req++; + wc->alert_checkpoint_req+=3; log_access("ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT POSTPONED", rrdhost_hostname(host)); return; } - //TODO: lock rc here, or make sure it's called when health decides - //count them RRDCALC *rc; uint32_t cnt = 0; size_t len = 0; - active_alerts_t *active_alerts = NULL; + active_alerts_t *active_alerts = callocz(BATCH_ALLOCATED, sizeof(active_alerts_t)); foreach_rrdcalc_in_rrdhost_read(host, rc) { if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) continue; @@ -1069,33 +1088,21 @@ void aclk_push_alarm_checkpoint(RRDHOST *host __maybe_unused) if (rc->status == RRDCALC_STATUS_WARNING || rc->status == RRDCALC_STATUS_CRITICAL) { + if (cnt && !(cnt % BATCH_ALLOCATED)) { + active_alerts = reallocz(active_alerts, (BATCH_ALLOCATED * ((cnt / BATCH_ALLOCATED) + 1)) * sizeof(active_alerts_t)); + } + + active_alerts[cnt].name = (char *)rrdcalc_name(rc); + len += string_strlen(rc->name); + active_alerts[cnt].chart = (char *)rrdcalc_chart_name(rc); + len += string_strlen(rc->chart); + active_alerts[cnt].status = rc->status; + len++; cnt++; } } foreach_rrdcalc_in_rrdhost_done(rc); - if (cnt) { - active_alerts = callocz(cnt, sizeof(active_alerts_t)); - cnt = 0; - foreach_rrdcalc_in_rrdhost_read(host, rc) { - if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) - continue; - - if (rc->status == RRDCALC_STATUS_WARNING || - rc->status == RRDCALC_STATUS_CRITICAL) { - - active_alerts[cnt].name = (char *)rrdcalc_name(rc); - len += string_strlen(rc->name); - active_alerts[cnt].chart = (char *)rrdcalc_chart_name(rc); - len += string_strlen(rc->chart); - active_alerts[cnt].status = rc->status; - len++; - cnt++; - } - } - foreach_rrdcalc_in_rrdhost_done(rc); - } - BUFFER *alarms_to_hash; if (cnt) { qsort (active_alerts, cnt, sizeof(active_alerts_t), compare_active_alerts); diff --git a/database/sqlite/sqlite_db_migration.c b/database/sqlite/sqlite_db_migration.c index 3132ae2d0..9c7235fdb 100644 --- a/database/sqlite/sqlite_db_migration.c +++ b/database/sqlite/sqlite_db_migration.c @@ -12,7 +12,7 @@ static int return_int_cb(void *data, int argc, char **argv, char **column) } -static int table_exists_in_database(const char *table) +int table_exists_in_database(const char *table) { char *err_msg = NULL; char sql[128]; @@ -182,6 +182,38 @@ static int do_migration_v6_v7(sqlite3 *database, const char *name) return 0; } +static int do_migration_v7_v8(sqlite3 *database, const char *name) +{ + UNUSED(name); + info("Running database migration %s", name); + + char sql[256]; + + int rc; + sqlite3_stmt *res = NULL; + snprintfz(sql, 255, "SELECT name FROM sqlite_schema WHERE type ='table' AND name LIKE 'health_log_%%';"); + rc = sqlite3_prepare_v2(database, sql, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement to alter health_log tables"); + return 1; + } + + while (sqlite3_step_monitored(res) == SQLITE_ROW) { + char *table = strdupz((char *) sqlite3_column_text(res, 0)); + if (!column_exists_in_table(table, "transition_id")) { + snprintfz(sql, 255, "ALTER TABLE %s ADD transition_id blob", table); + sqlite3_exec_monitored(database, sql, 0, 0, NULL); + } + freez(table); + } + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize statement when altering health_log tables, rc = %d", rc); + + return 0; +} + static int do_migration_noop(sqlite3 *database, const char *name) { @@ -233,6 +265,7 @@ DATABASE_FUNC_MIGRATION_LIST migration_action[] = { {.name = "v4 to v5", .func = do_migration_v4_v5}, {.name = "v5 to v6", .func = do_migration_v5_v6}, {.name = "v6 to v7", .func = do_migration_v6_v7}, + {.name = "v7 to v8", .func = do_migration_v7_v8}, // the terminator of this array {.name = NULL, .func = NULL} }; diff --git a/database/sqlite/sqlite_db_migration.h b/database/sqlite/sqlite_db_migration.h index 138643a49..edaac5269 100644 --- a/database/sqlite/sqlite_db_migration.h +++ b/database/sqlite/sqlite_db_migration.h @@ -8,5 +8,6 @@ int perform_database_migration(sqlite3 *database, int target_version); int perform_context_database_migration(sqlite3 *database, int target_version); +int table_exists_in_database(const char *table); #endif //NETDATA_SQLITE_DB_MIGRATION_H diff --git a/database/sqlite/sqlite_functions.c b/database/sqlite/sqlite_functions.c index 2fca2dfc8..555db1011 100644 --- a/database/sqlite/sqlite_functions.c +++ b/database/sqlite/sqlite_functions.c @@ -3,7 +3,7 @@ #include "sqlite_functions.h" #include "sqlite_db_migration.h" -#define DB_METADATA_VERSION 7 +#define DB_METADATA_VERSION 8 const char *database_config[] = { "CREATE TABLE IF NOT EXISTS host(host_id BLOB PRIMARY KEY, hostname TEXT NOT NULL, " diff --git a/database/sqlite/sqlite_health.c b/database/sqlite/sqlite_health.c index dd08f63ec..aedbf1108 100644 --- a/database/sqlite/sqlite_health.c +++ b/database/sqlite/sqlite_health.c @@ -2,6 +2,8 @@ #include "sqlite_health.h" #include "sqlite_functions.h" +#include "sqlite_db_migration.h" +#include "uuid.h" #define MAX_HEALTH_SQL_SIZE 2048 #define sqlite3_bind_string_or_null(res,key,param) ((key) ? sqlite3_bind_text(res, param, string2str(key), -1, SQLITE_STATIC) : sqlite3_bind_null(res, param)) @@ -9,7 +11,7 @@ /* Health related SQL queries Creates a health log table in sqlite, one per host guid */ -#define SQL_CREATE_HEALTH_LOG_TABLE(guid) "CREATE TABLE IF NOT EXISTS health_log_%s(hostname text, unique_id int, alarm_id int, alarm_event_id int, config_hash_id blob, updated_by_id int, updates_id int, when_key int, duration int, non_clear_duration int, flags int, exec_run_timestamp int, delay_up_to_timestamp int, name text, chart text, family text, exec text, recipient text, source text, units text, info text, exec_code int, new_status real, old_status real, delay int, new_value double, old_value double, last_repeat int, class text, component text, type text, chart_context text);", guid +#define SQL_CREATE_HEALTH_LOG_TABLE(guid) "CREATE TABLE IF NOT EXISTS health_log_%s(hostname text, unique_id int, alarm_id int, alarm_event_id int, config_hash_id blob, updated_by_id int, updates_id int, when_key int, duration int, non_clear_duration int, flags int, exec_run_timestamp int, delay_up_to_timestamp int, name text, chart text, family text, exec text, recipient text, source text, units text, info text, exec_code int, new_status real, old_status real, delay int, new_value double, old_value double, last_repeat int, class text, component text, type text, chart_context text, transition_id blob);", guid int sql_create_health_log_table(RRDHOST *host) { int rc; char command[MAX_HEALTH_SQL_SIZE + 1]; @@ -20,7 +22,7 @@ int sql_create_health_log_table(RRDHOST *host) { return 1; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CREATE_HEALTH_LOG_TABLE(uuid_str)); @@ -53,7 +55,7 @@ void sql_health_alarm_log_update(RRDHOST *host, ALARM_ENTRY *ae) { return; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_UPDATE_HEALTH_LOG(uuid_str)); @@ -115,7 +117,7 @@ failed: "config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, " \ "exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, " \ "units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, " \ - "class, component, type, chart_context) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?);", guid + "class, component, type, chart_context, transition_id) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?);", guid void sql_health_alarm_log_insert(RRDHOST *host, ALARM_ENTRY *ae) { sqlite3_stmt *res = NULL; @@ -128,7 +130,7 @@ void sql_health_alarm_log_insert(RRDHOST *host, ALARM_ENTRY *ae) { return; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_INSERT_HEALTH_LOG(uuid_str)); @@ -335,6 +337,12 @@ void sql_health_alarm_log_insert(RRDHOST *host, ALARM_ENTRY *ae) { goto failed; } + rc = sqlite3_bind_blob(res, 33, &ae->transition_id, sizeof(ae->transition_id), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind transition_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + rc = execute_insert(res); if (unlikely(rc != SQLITE_DONE)) { error_report("HEALTH [%s]: Failed to execute SQL_INSERT_HEALTH_LOG, rc = %d", rrdhost_hostname(host), rc); @@ -353,39 +361,72 @@ void sql_health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) { if (ae->flags & HEALTH_ENTRY_FLAG_SAVED) sql_health_alarm_log_update(host, ae); - else + else { sql_health_alarm_log_insert(host, ae); +#ifdef ENABLE_ACLK + if (netdata_cloud_setting) { + sql_queue_alarm_to_aclk(host, ae, 0); + } +#endif + } } /* Health related SQL queries - Cleans up the health_log table. + Get a count of rows from health log table */ -#define SQL_CLEANUP_HEALTH_LOG(guid,guid2,limit) "DELETE from health_log_%s where unique_id in (SELECT unique_id from health_log_%s order by unique_id asc LIMIT %lu);", guid, guid2, limit -void sql_health_alarm_log_cleanup(RRDHOST *host) { +#define SQL_COUNT_HEALTH_LOG(guid) "SELECT count(1) FROM health_log_%s;", guid +void sql_health_alarm_log_count(RRDHOST *host) { sqlite3_stmt *res = NULL; - static size_t rotate_every = 0; int rc; char command[MAX_HEALTH_SQL_SIZE + 1]; - if(unlikely(rotate_every == 0)) { - rotate_every = (size_t)config_get_number(CONFIG_SECTION_HEALTH, "rotate log every lines", 2000); - if(rotate_every < 100) rotate_every = 100; + if (unlikely(!db_meta)) { + if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + error_report("Database has not been initialized"); + return; } - if(likely(host->health.health_log_entries_written < rotate_every)) { + char uuid_str[UUID_STR_LEN]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_COUNT_HEALTH_LOG(uuid_str)); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement to count health log entries from db"); return; } + rc = sqlite3_step_monitored(res); + if (likely(rc == SQLITE_ROW)) + host->health.health_log_entries_written = (size_t) sqlite3_column_int64(res, 0); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the prepared statement to count health log entries from db"); + + info("HEALTH [%s]: Table health_log_%s, contains %lu entries.", rrdhost_hostname(host), uuid_str, (unsigned long int) host->health.health_log_entries_written); +} + +/* Health related SQL queries + Cleans up the health_log table on a non-claimed host +*/ +#define SQL_CLEANUP_HEALTH_LOG_NOT_CLAIMED(guid,limit) "DELETE FROM health_log_%s ORDER BY unique_id ASC LIMIT %lu;", guid, limit +void sql_health_alarm_log_cleanup_not_claimed(RRDHOST *host, size_t rotate_every) { + sqlite3_stmt *res = NULL; + int rc; + char command[MAX_HEALTH_SQL_SIZE + 1]; + if (unlikely(!db_meta)) { if (default_rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) error_report("Database has not been initialized"); return; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); - snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CLEANUP_HEALTH_LOG(uuid_str, uuid_str, (unsigned long int) (host->health.health_log_entries_written - rotate_every))); + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CLEANUP_HEALTH_LOG_NOT_CLAIMED(uuid_str, (unsigned long int) (host->health.health_log_entries_written - rotate_every))); rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); if (unlikely(rc != SQLITE_OK)) { @@ -403,14 +444,17 @@ void sql_health_alarm_log_cleanup(RRDHOST *host) { host->health.health_log_entries_written = rotate_every; - sql_aclk_alert_clean_dead_entries(host); + snprintfz(command, MAX_HEALTH_SQL_SIZE, "aclk_alert_%s", uuid_str); + if (unlikely(table_exists_in_database(command))) { + sql_aclk_alert_clean_dead_entries(host); + } } /* Health related SQL queries - Get a count of rows from health log table + Cleans up the health_log table on a claimed host */ -#define SQL_COUNT_HEALTH_LOG(guid) "SELECT count(1) FROM health_log_%s;", guid -void sql_health_alarm_log_count(RRDHOST *host) { +#define SQL_CLEANUP_HEALTH_LOG_CLAIMED(guid, guid2, guid3, limit) "DELETE from health_log_%s WHERE unique_id NOT IN (SELECT filtered_alert_unique_id FROM aclk_alert_%s) AND unique_id IN (SELECT unique_id FROM health_log_%s ORDER BY unique_id asc LIMIT %lu);", guid, guid2, guid3, limit +void sql_health_alarm_log_cleanup_claimed(RRDHOST *host, size_t rotate_every) { sqlite3_stmt *res = NULL; int rc; char command[MAX_HEALTH_SQL_SIZE + 1]; @@ -421,33 +465,62 @@ void sql_health_alarm_log_count(RRDHOST *host) { return; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + snprintfz(command, MAX_HEALTH_SQL_SIZE, "aclk_alert_%s", uuid_str); - snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_COUNT_HEALTH_LOG(uuid_str)); + if (!table_exists_in_database(command)) { + sql_health_alarm_log_cleanup_not_claimed(host, rotate_every); + return; + } + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_CLEANUP_HEALTH_LOG_CLAIMED(uuid_str, uuid_str, uuid_str, (unsigned long int) (host->health.health_log_entries_written - rotate_every))); rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); if (unlikely(rc != SQLITE_OK)) { - error_report("Failed to prepare statement to count health log entries from db"); + error_report("Failed to prepare statement to cleanup health log table"); return; } rc = sqlite3_step_monitored(res); - if (likely(rc == SQLITE_ROW)) - host->health.health_log_entries_written = (size_t) sqlite3_column_int64(res, 0); + if (unlikely(rc != SQLITE_DONE)) + error_report("Failed to cleanup health log table, rc = %d", rc); rc = sqlite3_finalize(res); if (unlikely(rc != SQLITE_OK)) - error_report("Failed to finalize the prepared statement to count health log entries from db"); + error_report("Failed to finalize the prepared statement to cleanup health log table"); - info("HEALTH [%s]: Table health_log_%s, contains %lu entries.", rrdhost_hostname(host), uuid_str, (unsigned long int) host->health.health_log_entries_written); + sql_health_alarm_log_count(host); + + sql_aclk_alert_clean_dead_entries(host); +} + +/* Health related SQL queries + Cleans up the health_log table. +*/ +void sql_health_alarm_log_cleanup(RRDHOST *host) { + static size_t rotate_every = 0; + + if(unlikely(rotate_every == 0)) { + rotate_every = (size_t)config_get_number(CONFIG_SECTION_HEALTH, "rotate log every lines", 2000); + if(rotate_every < 100) rotate_every = 100; + } + + if(likely(host->health.health_log_entries_written < rotate_every)) { + return; + } + + if (!claimed()) { + sql_health_alarm_log_cleanup_not_claimed(host, rotate_every); + } else + sql_health_alarm_log_cleanup_claimed(host, rotate_every); } #define SQL_INJECT_REMOVED(guid, guid2) "insert into health_log_%s (hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, " \ -"delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context) " \ +"delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context, transition_id) " \ "select hostname, ?1, ?2, ?3, config_hash_id, 0, ?4, unixepoch(), 0, 0, flags, exec_run_timestamp, " \ -"unixepoch(), name, chart, family, exec, recipient, source, units, info, exec_code, -2, new_status, delay, NULL, new_value, 0, class, component, type, chart_context " \ -"from health_log_%s where unique_id = ?5", guid, guid2 +"unixepoch(), name, chart, family, exec, recipient, source, units, info, exec_code, -2, new_status, delay, NULL, new_value, 0, class, component, type, chart_context, ?5 " \ +"from health_log_%s where unique_id = ?6", guid, guid2 #define SQL_INJECT_REMOVED_UPDATE(guid) "update health_log_%s set flags = flags | ?1, updated_by_id = ?2 where unique_id = ?3; ", guid void sql_inject_removed_status(char *uuid_str, uint32_t alarm_id, uint32_t alarm_event_id, uint32_t unique_id, uint32_t max_unique_id) { @@ -490,7 +563,15 @@ void sql_inject_removed_status(char *uuid_str, uint32_t alarm_id, uint32_t alarm goto failed; } - rc = sqlite3_bind_int64(res, 5, (sqlite3_int64) unique_id); + uuid_t transition_id; + uuid_generate_random(transition_id); + rc = sqlite3_bind_blob(res, 5, &transition_id, sizeof(transition_id), SQLITE_STATIC); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to bind config_hash_id parameter for SQL_INSERT_HEALTH_LOG"); + goto failed; + } + + rc = sqlite3_bind_int64(res, 6, (sqlite3_int64) unique_id); if (unlikely(rc != SQLITE_OK)) { error_report("Failed to bind unique_id parameter for SQL_INJECT_REMOVED"); goto failed; @@ -608,7 +689,7 @@ void sql_check_removed_alerts_state(char *uuid_str) /* Health related SQL queries Load from the health log table */ -#define SQL_LOAD_HEALTH_LOG(guid,limit) "SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context FROM (SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context FROM health_log_%s order by unique_id desc limit %u) order by unique_id asc;", guid, limit +#define SQL_LOAD_HEALTH_LOG(guid) "SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context, transition_id FROM health_log_%s group by alarm_id having max(alarm_event_id);", guid void sql_health_alarm_log_load(RRDHOST *host) { sqlite3_stmt *res = NULL; int ret; @@ -623,12 +704,12 @@ void sql_health_alarm_log_load(RRDHOST *host) { return; } - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower_fix(&host->host_uuid, uuid_str); sql_check_removed_alerts_state(uuid_str); - snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_LOAD_HEALTH_LOG(uuid_str, host->health_log.max)); + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_LOAD_HEALTH_LOG(uuid_str)); ret = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); if (unlikely(ret != SQLITE_OK)) { @@ -778,6 +859,9 @@ void sql_health_alarm_log_load(RRDHOST *host) { else ae->chart_context = NULL; + if (sqlite3_column_type(res, 32) != SQLITE_NULL) + uuid_copy(ae->transition_id, *((uuid_t *) sqlite3_column_blob(res, 32))); + char value_string[100 + 1]; string_freez(ae->old_value_string); string_freez(ae->new_value_string); @@ -1070,12 +1154,13 @@ int alert_hash_and_store_config( DIGEST_ALERT_CONFIG_VAL(cfg->options); DIGEST_ALERT_CONFIG_VAL(cfg->repeat); DIGEST_ALERT_CONFIG_VAL(cfg->host_labels); + DIGEST_ALERT_CONFIG_VAL(cfg->chart_labels); EVP_DigestFinal_ex(evpctx, hash_value, &hash_len); EVP_MD_CTX_destroy(evpctx); fatal_assert(hash_len > sizeof(uuid_t)); - char uuid_str[GUID_LEN + 1]; + char uuid_str[UUID_STR_LEN]; uuid_unparse_lower(*((uuid_t *)&hash_value), uuid_str); uuid_copy(hash_id, *((uuid_t *)&hash_value)); @@ -1090,3 +1175,210 @@ int alert_hash_and_store_config( return 1; } + +#define SQL_SELECT_HEALTH_LAST_EXECUTED_EVENT "SELECT new_status FROM health_log_%s WHERE alarm_id = %u AND unique_id != %u AND flags & %d ORDER BY unique_id DESC LIMIT 1" +int sql_health_get_last_executed_event(RRDHOST *host, ALARM_ENTRY *ae, RRDCALC_STATUS *last_executed_status) +{ + int rc = 0, ret = -1; + char command[MAX_HEALTH_SQL_SIZE + 1]; + + char uuid_str[UUID_STR_LEN]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + sqlite3_stmt *res = NULL; + + snprintfz(command, MAX_HEALTH_SQL_SIZE, SQL_SELECT_HEALTH_LAST_EXECUTED_EVENT, uuid_str, ae->alarm_id, ae->unique_id, HEALTH_ENTRY_FLAG_EXEC_RUN); + + rc = sqlite3_prepare_v2(db_meta, command, -1, &res, 0); + if (rc != SQLITE_OK) { + error_report("Failed to prepare statement when trying to get last executed status"); + return ret; + } + + ret = 0; + while (sqlite3_step_monitored(res) == SQLITE_ROW) { + *last_executed_status = (RRDCALC_STATUS) sqlite3_column_int(res, 0); + ret = 1; + } + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize the statement."); + + return ret; +} + +#define SQL_SELECT_HEALTH_LOG(guid) "SELECT hostname, unique_id, alarm_id, alarm_event_id, config_hash_id, updated_by_id, updates_id, when_key, duration, non_clear_duration, flags, exec_run_timestamp, delay_up_to_timestamp, name, chart, family, exec, recipient, source, units, info, exec_code, new_status, old_status, delay, new_value, old_value, last_repeat, class, component, type, chart_context, transition_id FROM health_log_%s WHERE 1=1 ", guid +void sql_health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after, char *chart) { + + buffer_strcat(wb, "["); + + unsigned int max = host->health_log.max; + unsigned int count = 0; + + sqlite3_stmt *res = NULL; + int rc; + + BUFFER *command = buffer_create(MAX_HEALTH_SQL_SIZE, NULL); + char uuid_str[UUID_STR_LEN]; + uuid_unparse_lower_fix(&host->host_uuid, uuid_str); + + buffer_sprintf(command, SQL_SELECT_HEALTH_LOG(uuid_str)); + + if (chart) { + char chart_sql[MAX_HEALTH_SQL_SIZE + 1]; + snprintfz(chart_sql, MAX_HEALTH_SQL_SIZE, "AND chart = '%s' ", chart); + buffer_strcat(command, chart_sql); + } + + if (after) { + char after_sql[MAX_HEALTH_SQL_SIZE + 1]; + snprintfz(after_sql, MAX_HEALTH_SQL_SIZE, "AND unique_id > %u ", after); + buffer_strcat(command, after_sql); + } + + { + char limit_sql[MAX_HEALTH_SQL_SIZE + 1]; + snprintfz(limit_sql, MAX_HEALTH_SQL_SIZE, "ORDER BY unique_id DESC LIMIT %u ", max); + buffer_strcat(command, limit_sql); + } + + rc = sqlite3_prepare_v2(db_meta, buffer_tostring(command), -1, &res, 0); + if (unlikely(rc != SQLITE_OK)) { + error_report("Failed to prepare statement SQL_SELECT_HEALTH_LOG"); + buffer_free(command); + return; + } + + while (sqlite3_step(res) == SQLITE_ROW) { + + char old_value_string[100 + 1]; + char new_value_string[100 + 1]; + + char config_hash_id[UUID_STR_LEN]; + uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, 4)), config_hash_id); + + char transition_id[UUID_STR_LEN] = {0}; + if (sqlite3_column_type(res, 32) != SQLITE_NULL) + uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, 32)), transition_id); + + char *edit_command = health_edit_command_from_source((char *)sqlite3_column_text(res, 18)); + + if (count) + buffer_sprintf(wb, ","); + + count++; + + buffer_sprintf( + wb, + "\n\t{\n" + "\t\t\"hostname\": \"%s\",\n" + "\t\t\"utc_offset\": %d,\n" + "\t\t\"timezone\": \"%s\",\n" + "\t\t\"unique_id\": %u,\n" + "\t\t\"alarm_id\": %u,\n" + "\t\t\"alarm_event_id\": %u,\n" + "\t\t\"config_hash_id\": \"%s\",\n" + "\t\t\"transition_id\": \"%s\",\n" + "\t\t\"name\": \"%s\",\n" + "\t\t\"chart\": \"%s\",\n" + "\t\t\"context\": \"%s\",\n" + "\t\t\"family\": \"%s\",\n" + "\t\t\"class\": \"%s\",\n" + "\t\t\"component\": \"%s\",\n" + "\t\t\"type\": \"%s\",\n" + "\t\t\"processed\": %s,\n" + "\t\t\"updated\": %s,\n" + "\t\t\"exec_run\": %lu,\n" + "\t\t\"exec_failed\": %s,\n" + "\t\t\"exec\": \"%s\",\n" + "\t\t\"recipient\": \"%s\",\n" + "\t\t\"exec_code\": %d,\n" + "\t\t\"source\": \"%s\",\n" + "\t\t\"command\": \"%s\",\n" + "\t\t\"units\": \"%s\",\n" + "\t\t\"when\": %lu,\n" + "\t\t\"duration\": %lu,\n" + "\t\t\"non_clear_duration\": %lu,\n" + "\t\t\"status\": \"%s\",\n" + "\t\t\"old_status\": \"%s\",\n" + "\t\t\"delay\": %d,\n" + "\t\t\"delay_up_to_timestamp\": %lu,\n" + "\t\t\"updated_by_id\": %u,\n" + "\t\t\"updates_id\": %u,\n" + "\t\t\"value_string\": \"%s\",\n" + "\t\t\"old_value_string\": \"%s\",\n" + "\t\t\"last_repeat\": \"%lu\",\n" + "\t\t\"silenced\": \"%s\",\n", + sqlite3_column_text(res, 0), + host->utc_offset, + rrdhost_abbrev_timezone(host), + (unsigned int) sqlite3_column_int64(res, 1), + (unsigned int) sqlite3_column_int64(res, 2), + (unsigned int) sqlite3_column_int64(res, 3), + config_hash_id, + transition_id, + sqlite3_column_text(res, 13), + sqlite3_column_text(res, 14), + sqlite3_column_text(res, 31), + sqlite3_column_text(res, 15), + sqlite3_column_text(res, 28) ? (const char *) sqlite3_column_text(res, 28) : (char *) "Unknown", + sqlite3_column_text(res, 29) ? (const char *) sqlite3_column_text(res, 29) : (char *) "Unknown", + sqlite3_column_text(res, 30) ? (const char *) sqlite3_column_text(res, 30) : (char *) "Unknown", + (sqlite3_column_int64(res, 10) & HEALTH_ENTRY_FLAG_PROCESSED)?"true":"false", + (sqlite3_column_int64(res, 10) & HEALTH_ENTRY_FLAG_UPDATED)?"true":"false", + (long unsigned int)sqlite3_column_int64(res, 11), + (sqlite3_column_int64(res, 10) & HEALTH_ENTRY_FLAG_EXEC_FAILED)?"true":"false", + sqlite3_column_text(res, 16) ? (const char *) sqlite3_column_text(res, 16) : string2str(host->health.health_default_exec), + sqlite3_column_text(res, 17) ? (const char *) sqlite3_column_text(res, 17) : string2str(host->health.health_default_recipient), + sqlite3_column_int(res, 21), + sqlite3_column_text(res, 18), + edit_command, + sqlite3_column_text(res, 19), + (long unsigned int)sqlite3_column_int64(res, 7), + (long unsigned int)sqlite3_column_int64(res, 8), + (long unsigned int)sqlite3_column_int64(res, 9), + rrdcalc_status2string(sqlite3_column_int(res, 22)), + rrdcalc_status2string(sqlite3_column_int(res, 23)), + sqlite3_column_int(res, 24), + (long unsigned int)sqlite3_column_int64(res, 12), + (unsigned int)sqlite3_column_int64(res, 5), + (unsigned int)sqlite3_column_int64(res, 6), + sqlite3_column_type(res, 25) == SQLITE_NULL ? "-" : format_value_and_unit(new_value_string, 100, sqlite3_column_double(res, 25), (char *) sqlite3_column_text(res, 19), -1), + sqlite3_column_type(res, 26) == SQLITE_NULL ? "-" : format_value_and_unit(old_value_string, 100, sqlite3_column_double(res, 26), (char *) sqlite3_column_text(res, 19), -1), + (long unsigned int)sqlite3_column_int64(res, 27), + (sqlite3_column_int64(res, 10) & HEALTH_ENTRY_FLAG_SILENCED)?"true":"false"); + + health_string2json(wb, "\t\t", "info", (char *) sqlite3_column_text(res, 20), ",\n"); + + if(unlikely(sqlite3_column_int64(res, 10) & HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION)) { + buffer_strcat(wb, "\t\t\"no_clear_notification\": true,\n"); + } + + buffer_strcat(wb, "\t\t\"value\":"); + if (sqlite3_column_type(res, 25) == SQLITE_NULL) + buffer_strcat(wb, "null"); + else + buffer_print_netdata_double(wb, sqlite3_column_double(res, 25)); + buffer_strcat(wb, ",\n"); + + buffer_strcat(wb, "\t\t\"old_value\":"); + if (sqlite3_column_type(res, 26) == SQLITE_NULL) + buffer_strcat(wb, "null"); + else + buffer_print_netdata_double(wb, sqlite3_column_double(res, 26)); + buffer_strcat(wb, "\n"); + + buffer_strcat(wb, "\t}"); + + freez(edit_command); + } + + buffer_strcat(wb, "\n]"); + + rc = sqlite3_finalize(res); + if (unlikely(rc != SQLITE_OK)) + error_report("Failed to finalize statement for SQL_SELECT_HEALTH_LOG"); + + buffer_free(command); +} diff --git a/database/sqlite/sqlite_health.h b/database/sqlite/sqlite_health.h index 87060dacc..96d090b54 100644 --- a/database/sqlite/sqlite_health.h +++ b/database/sqlite/sqlite_health.h @@ -14,4 +14,6 @@ void sql_health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae); void sql_health_alarm_log_cleanup(RRDHOST *host); int alert_hash_and_store_config(uuid_t hash_id, struct alert_config *cfg, int store_hash); void sql_aclk_alert_clean_dead_entries(RRDHOST *host); +int sql_health_get_last_executed_event(RRDHOST *host, ALARM_ENTRY *ae, RRDCALC_STATUS *last_executed_status); +void sql_health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after, char *chart); #endif //NETDATA_SQLITE_HEALTH_H |