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Diffstat (limited to '')
-rw-r--r-- | test/startup.c | 628 |
1 files changed, 628 insertions, 0 deletions
diff --git a/test/startup.c b/test/startup.c new file mode 100644 index 0000000..7262189 --- /dev/null +++ b/test/startup.c @@ -0,0 +1,628 @@ +/* +** 2021-01-01 +** +** 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 implements a program used to measure the start-up performance +** of SQLite. +** +** To use: +** +** ./startup init +** valgrind --tool=cachegrind ./startup run +** +** +** The "./startup init" command creates the test database file named +** "startup.db". The performance test is run by the "./startup run" +** command. That command does nothing but open the database file and +** parse the entire schema. +*/ +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include "sqlite3.h" + +static const char zHelp[] = + "Usage: %s COMMAND\n" + "Commands:\n" + " init Initialized the startup.db database file\n" + " run Run the startup performance test\n" + "Options:\n" + " --dbname NAME Set the name of the test database file\n" + " --heap SZ MIN Memory allocator uses SZ bytes & min allocation MIN\n" + " --stats Show statistics at the end\n" +/* TBD + " --journal M Set the journal_mode to M\n" + " --lookaside N SZ Configure lookaside for N slots of SZ bytes each\n" + " --mmap SZ MMAP the first SZ bytes of the database file\n" + " --multithread Set multithreaded mode\n" + " --nomemstat Disable memory statistics\n" + " --pagesize N Set the page size to N\n" + " --pcache N SZ Configure N pages of pagecache each of size SZ bytes\n" + " --serialized Set serialized threading mode\n" + " --singlethread Set single-threaded mode - disables all mutexing\n" + " --utf16be Set text encoding to UTF-16BE\n" + " --utf16le Set text encoding to UTF-16LE\n" + " --utf8 Set text encoding to UTF-8\n" +*/ +; + +static void usage(const char *argv0){ + printf(zHelp, argv0); + exit(1); +} + +/* +** The test schema is derived from the Fossil repository for SQLite itself. +** The schema covers the repository, the local checkout database, and +** the global configuration database. +*/ +static const char zTestSchema[] = + "CREATE TABLE repo_blob(\n" + " rid INTEGER PRIMARY KEY,\n" + " rcvid INTEGER,\n" + " size INTEGER,\n" + " uuid TEXT UNIQUE NOT NULL,\n" + " content BLOB,\n" + " CHECK( length(uuid)>=40 AND rid>0 )\n" + ");\n" + "CREATE TABLE repo_delta(\n" + " rid INTEGER PRIMARY KEY,\n" + " srcid INTEGER NOT NULL REFERENCES blob\n" + ");\n" + "CREATE TABLE repo_rcvfrom(\n" + " rcvid INTEGER PRIMARY KEY,\n" + " uid INTEGER REFERENCES user,\n" + " mtime DATETIME,\n" + " nonce TEXT UNIQUE,\n" + " ipaddr TEXT\n" + ");\n" + "CREATE TABLE repo_private(rid INTEGER PRIMARY KEY);\n" + "CREATE TABLE repo_accesslog(\n" + " uname TEXT,\n" + " ipaddr TEXT,\n" + " success BOOLEAN,\n" + " mtime TIMESTAMP);\n" + "CREATE TABLE repo_user(\n" + " uid INTEGER PRIMARY KEY,\n" + " login TEXT UNIQUE,\n" + " pw TEXT,\n" + " cap TEXT,\n" + " cookie TEXT,\n" + " ipaddr TEXT,\n" + " cexpire DATETIME,\n" + " info TEXT,\n" + " mtime DATE,\n" + " photo BLOB\n" + ");\n" + "CREATE TABLE repo_reportfmt(\n" + " rn INTEGER PRIMARY KEY,\n" + " owner TEXT,\n" + " title TEXT UNIQUE,\n" + " mtime INTEGER,\n" + " cols TEXT,\n" + " sqlcode TEXT\n" + ");\n" + "CREATE TABLE repo_sqlite_stat2(tbl,idx,sampleno,sample);\n" + "CREATE TABLE repo_sqlite_stat1(tbl,idx,stat);\n" + "CREATE TABLE repo_sqlite_stat3(tbl,idx,neq,nlt,ndlt,sample);\n" + "CREATE TABLE repo_config(\n" + " name TEXT PRIMARY KEY NOT NULL,\n" + " value CLOB, mtime INTEGER,\n" + " CHECK( typeof(name)='text' AND length(name)>=1 )\n" + ") WITHOUT ROWID;\n" + "CREATE TABLE repo_shun(uuid PRIMARY KEY,\n" + " mtime INTEGER,\n" + " scom TEXT) WITHOUT ROWID;\n" + "CREATE TABLE repo_concealed(\n" + " hash TEXT PRIMARY KEY,\n" + " content TEXT\n" + ", mtime INTEGER) WITHOUT ROWID;\n" + "CREATE TABLE repo_admin_log(\n" + " id INTEGER PRIMARY KEY,\n" + " time INTEGER, -- Seconds since 1970\n" + " page TEXT, -- path of page\n" + " who TEXT, -- User who made the change\n" + " what TEXT -- What changed\n" + ");\n" + "CREATE TABLE repo_unversioned(\n" + " name TEXT PRIMARY KEY,\n" + " rcvid INTEGER,\n" + " mtime DATETIME,\n" + " hash TEXT,\n" + " sz INTEGER,\n" + " encoding INT,\n" + " content BLOB\n" + ") WITHOUT ROWID;\n" + "CREATE TABLE repo_subscriber(\n" + " subscriberId INTEGER PRIMARY KEY,\n" + " subscriberCode BLOB DEFAULT (randomblob(32)) UNIQUE,\n" + " semail TEXT UNIQUE COLLATE nocase,\n" + " suname TEXT,\n" + " sverified BOOLEAN DEFAULT true,\n" + " sdonotcall BOOLEAN,\n" + " sdigest BOOLEAN,\n" + " ssub TEXT,\n" + " sctime INTDATE,\n" + " mtime INTDATE,\n" + " smip TEXT\n" + ");\n" + "CREATE TABLE repo_pending_alert(\n" + " eventid TEXT PRIMARY KEY,\n" + " sentSep BOOLEAN DEFAULT false,\n" + " sentDigest BOOLEAN DEFAULT false\n" + ", sentMod BOOLEAN DEFAULT false) WITHOUT ROWID;\n" + "CREATE INDEX repo_delta_i1 ON repo_delta(srcid);\n" + "CREATE INDEX repo_blob_rcvid ON repo_blob(rcvid);\n" + "CREATE INDEX repo_subscriberUname\n" + " ON repo_subscriber(suname) WHERE suname IS NOT NULL;\n" + "CREATE VIEW repo_artifact(rid,rcvid,size,atype,srcid,hash,content) AS\n" + " SELECT blob.rid,rcvid,size,1,srcid,uuid,content\n" + " FROM repo_blob LEFT JOIN repo_delta ON (blob.rid=delta.rid);\n" + "CREATE TABLE repo_filename(\n" + " fnid INTEGER PRIMARY KEY,\n" + " name TEXT UNIQUE\n" + ");\n" + "CREATE TABLE repo_mlink(\n" + " mid INTEGER,\n" + " fid INTEGER,\n" + " pmid INTEGER,\n" + " pid INTEGER,\n" + " fnid INTEGER REFERENCES filename,\n" + " pfnid INTEGER,\n" + " mperm INTEGER,\n" + " isaux BOOLEAN DEFAULT 0\n" + ");\n" + "CREATE INDEX repo_mlink_i1 ON repo_mlink(mid);\n" + "CREATE INDEX repo_mlink_i2 ON repo_mlink(fnid);\n" + "CREATE INDEX repo_mlink_i3 ON repo_mlink(fid);\n" + "CREATE INDEX repo_mlink_i4 ON repo_mlink(pid);\n" + "CREATE TABLE repo_plink(\n" + " pid INTEGER REFERENCES blob,\n" + " cid INTEGER REFERENCES blob,\n" + " isprim BOOLEAN,\n" + " mtime DATETIME,\n" + " baseid INTEGER REFERENCES blob,\n" + " UNIQUE(pid, cid)\n" + ");\n" + "CREATE INDEX repo_plink_i2 ON repo_plink(cid,pid);\n" + "CREATE TABLE repo_leaf(rid INTEGER PRIMARY KEY);\n" + "CREATE TABLE repo_event(\n" + " type TEXT,\n" + " mtime DATETIME,\n" + " objid INTEGER PRIMARY KEY,\n" + " tagid INTEGER,\n" + " uid INTEGER REFERENCES user,\n" + " bgcolor TEXT,\n" + " euser TEXT,\n" + " user TEXT,\n" + " ecomment TEXT,\n" + " comment TEXT,\n" + " brief TEXT,\n" + " omtime DATETIME\n" + ");\n" + "CREATE INDEX repo_event_i1 ON repo_event(mtime);\n" + "CREATE TABLE repo_phantom(\n" + " rid INTEGER PRIMARY KEY\n" + ");\n" + "CREATE TABLE repo_orphan(\n" + " rid INTEGER PRIMARY KEY,\n" + " baseline INTEGER\n" + ");\n" + "CREATE INDEX repo_orphan_baseline ON repo_orphan(baseline);\n" + "CREATE TABLE repo_unclustered(\n" + " rid INTEGER PRIMARY KEY\n" + ");\n" + "CREATE TABLE repo_unsent(\n" + " rid INTEGER PRIMARY KEY\n" + ");\n" + "CREATE TABLE repo_tag(\n" + " tagid INTEGER PRIMARY KEY,\n" + " tagname TEXT UNIQUE\n" + ");\n" + "CREATE TABLE repo_tagxref(\n" + " tagid INTEGER REFERENCES tag,\n" + " tagtype INTEGER,\n" + " srcid INTEGER REFERENCES blob,\n" + " origid INTEGER REFERENCES blob,\n" + " value TEXT,\n" + " mtime TIMESTAMP,\n" + " rid INTEGER REFERENCE blob,\n" + " UNIQUE(rid, tagid)\n" + ");\n" + "CREATE INDEX repo_tagxref_i1 ON repo_tagxref(tagid, mtime);\n" + "CREATE TABLE repo_backlink(\n" + " target TEXT,\n" + " srctype INT,\n" + " srcid INT,\n" + " mtime TIMESTAMP,\n" + " UNIQUE(target, srctype, srcid)\n" + ");\n" + "CREATE INDEX repo_backlink_src ON repo_backlink(srcid, srctype);\n" + "CREATE TABLE repo_attachment(\n" + " attachid INTEGER PRIMARY KEY,\n" + " isLatest BOOLEAN DEFAULT 0,\n" + " mtime TIMESTAMP,\n" + " src TEXT,\n" + " target TEXT,\n" + " filename TEXT,\n" + " comment TEXT,\n" + " user TEXT\n" + ");\n" + "CREATE INDEX repo_attachment_idx1\n" + " ON repo_attachment(target, filename, mtime);\n" + "CREATE INDEX repo_attachment_idx2 ON repo_attachment(src);\n" + "CREATE TABLE repo_cherrypick(\n" + " parentid INT,\n" + " childid INT,\n" + " isExclude BOOLEAN DEFAULT false,\n" + " PRIMARY KEY(parentid, childid)\n" + ") WITHOUT ROWID;\n" + "CREATE INDEX repo_cherrypick_cid ON repo_cherrypick(childid);\n" + "CREATE TABLE repo_ticket(\n" + " -- Do not change any column that begins with tkt_\n" + " tkt_id INTEGER PRIMARY KEY,\n" + " tkt_uuid TEXT UNIQUE,\n" + " tkt_mtime DATE,\n" + " tkt_ctime DATE,\n" + " -- Add as many fields as required below this line\n" + " type TEXT,\n" + " status TEXT,\n" + " subsystem TEXT,\n" + " priority TEXT,\n" + " severity TEXT,\n" + " foundin TEXT,\n" + " private_contact TEXT,\n" + " resolution TEXT,\n" + " title TEXT,\n" + " comment TEXT\n" + ");\n" + "CREATE TABLE repo_ticketchng(\n" + " -- Do not change any column that begins with tkt_\n" + " tkt_id INTEGER REFERENCES ticket,\n" + " tkt_rid INTEGER REFERENCES blob,\n" + " tkt_mtime DATE,\n" + " -- Add as many fields as required below this line\n" + " login TEXT,\n" + " username TEXT,\n" + " mimetype TEXT,\n" + " icomment TEXT\n" + ");\n" + "CREATE INDEX repo_ticketchng_idx1 ON repo_ticketchng(tkt_id, tkt_mtime);\n" + "CREATE TRIGGER repo_alert_trigger1\n" + "AFTER INSERT ON repo_event BEGIN\n" + " INSERT INTO repo_pending_alert(eventid)\n" + " SELECT printf('%.1c%d',new.type,new.objid) WHERE true\n" + " ON CONFLICT(eventId) DO NOTHING;\n" + "END;\n" + "CREATE TABLE repo_vcache(\n" + " vid INTEGER, -- check-in ID\n" + " fname TEXT, -- filename\n" + " rid INTEGER, -- artifact ID\n" + " PRIMARY KEY(vid,fname)\n" + ") WITHOUT ROWID;\n" + "CREATE TABLE localdb_vvar(\n" + " name TEXT PRIMARY KEY NOT NULL,\n" + " value CLOB,\n" + " CHECK( typeof(name)='text' AND length(name)>=1 )\n" + ");\n" + "CREATE TABLE localdb_vfile(\n" + " id INTEGER PRIMARY KEY,\n" + " vid INTEGER REFERENCES blob,\n" + " chnged INT DEFAULT 0,\n" + " deleted BOOLEAN DEFAULT 0,\n" + " isexe BOOLEAN,\n" + " islink BOOLEAN,\n" + " rid INTEGER,\n" + " mrid INTEGER,\n" + " mtime INTEGER,\n" + " pathname TEXT,\n" + " origname TEXT, mhash,\n" + " UNIQUE(pathname,vid)\n" + ");\n" + "CREATE TABLE localdb_sqlite_stat1(tbl,idx,stat);\n" + "CREATE TABLE localdb_vcache(\n" + " vid INTEGER, -- check-in ID\n" + " fname TEXT, -- filename\n" + " rid INTEGER, -- artifact ID\n" + " PRIMARY KEY(vid,fname)\n" + ") WITHOUT ROWID;\n" + "CREATE TABLE localdb_stash(\n" + " stashid INTEGER PRIMARY KEY,\n" + " vid INTEGER,\n" + " hash TEXT,\n" + " comment TEXT,\n" + " ctime TIMESTAMP\n" + ");\n" + "CREATE TABLE localdb_stashfile(\n" + " stashid INTEGER REFERENCES stash,\n" + " isAdded BOOLEAN,\n" + " isRemoved BOOLEAN,\n" + " isExec BOOLEAN,\n" + " isLink BOOLEAN,\n" + " rid INTEGER,\n" + " hash TEXT,\n" + " origname TEXT,\n" + " newname TEXT,\n" + " delta BLOB,\n" + " PRIMARY KEY(newname, stashid)\n" + ");\n" + "CREATE TABLE localdb_vmerge(\n" + " id INTEGER REFERENCES vfile,\n" + " merge INTEGER,\n" + " mhash TEXT\n" + ");\n" + "CREATE UNIQUE INDEX localdb_vmergex1 ON localdb_vmerge(id,mhash);\n" + "CREATE TRIGGER localdb_vmerge_ck1 AFTER INSERT ON localdb_vmerge\n" + "WHEN new.mhash IS NULL BEGIN\n" + " SELECT raise(FAIL,\n" + " 'trying to update a newer checkout with an older version of Fossil');\n" + "END;\n" + "CREATE TABLE configdb_global_config(\n" + " name TEXT PRIMARY KEY,\n" + " value TEXT\n" + ");\n" + "CREATE TABLE configdb_sqlite_stat1(tbl,idx,stat);\n" +; + +#ifdef __linux__ +#include <sys/types.h> +#include <unistd.h> + +/* +** Attempt to display I/O stats on Linux using /proc/PID/io +*/ +static void displayLinuxIoStats(FILE *out){ + FILE *in; + char z[200]; + sqlite3_snprintf(sizeof(z), z, "/proc/%d/io", getpid()); + in = fopen(z, "rb"); + if( in==0 ) return; + while( fgets(z, sizeof(z), in)!=0 ){ + static const struct { + const char *zPattern; + const char *zDesc; + } aTrans[] = { + { "rchar: ", "Bytes received by read():" }, + { "wchar: ", "Bytes sent to write():" }, + { "syscr: ", "Read() system calls:" }, + { "syscw: ", "Write() system calls:" }, + { "read_bytes: ", "Bytes rcvd from storage:" }, + { "write_bytes: ", "Bytes sent to storage:" }, + { "cancelled_write_bytes: ", "Cancelled write bytes:" }, + }; + int i; + for(i=0; i<sizeof(aTrans)/sizeof(aTrans[0]); i++){ + int n = (int)strlen(aTrans[i].zPattern); + if( strncmp(aTrans[i].zPattern, z, n)==0 ){ + fprintf(out, "-- %-28s %s", aTrans[i].zDesc, &z[n]); + break; + } + } + } + fclose(in); +} +#endif + +/* +** Return the value of a hexadecimal digit. Return -1 if the input +** is not a hex digit. +*/ +static int hexDigitValue(char c){ + if( c>='0' && c<='9' ) return c - '0'; + if( c>='a' && c<='f' ) return c - 'a' + 10; + if( c>='A' && c<='F' ) return c - 'A' + 10; + return -1; +} + +/* +** Interpret zArg as an integer value, possibly with suffixes. +*/ +static int integerValue(const char *zArg){ + sqlite3_int64 v = 0; + static const struct { char *zSuffix; int iMult; } aMult[] = { + { "KiB", 1024 }, + { "MiB", 1024*1024 }, + { "GiB", 1024*1024*1024 }, + { "KB", 1000 }, + { "MB", 1000000 }, + { "GB", 1000000000 }, + { "K", 1000 }, + { "M", 1000000 }, + { "G", 1000000000 }, + }; + int i; + int isNeg = 0; + if( zArg[0]=='-' ){ + isNeg = 1; + zArg++; + }else if( zArg[0]=='+' ){ + zArg++; + } + if( zArg[0]=='0' && zArg[1]=='x' ){ + int x; + zArg += 2; + while( (x = hexDigitValue(zArg[0]))>=0 ){ + v = (v<<4) + x; + zArg++; + } + }else{ + while( isdigit(zArg[0]) ){ + v = v*10 + zArg[0] - '0'; + zArg++; + } + } + for(i=0; i<sizeof(aMult)/sizeof(aMult[0]); i++){ + if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){ + v *= aMult[i].iMult; + break; + } + } + if( v>0x7fffffff ){ + printf("ERROR: parameter too large - max 2147483648\n"); + exit(1); + } + return (int)(isNeg? -v : v); +} + + +int main(int argc, char **argv){ + const char *zCmd = 0; + int i; + int bAutovac = 0; + int showStats = 0; + const char *zDbName = "./startup.db"; + int nHeap = 0; + int mnHeap = 0; + + for(i=1; i<argc; i++){ + const char *z = argv[i]; + if( z[0]!='-' ){ + if( zCmd ){ + usage(argv[0]); + } + zCmd = z; + continue; + } + if( z[1]=='-' ) z++; + if( strcmp(z, "-autovacuum")==0 ){ + bAutovac = 1; + }else + if( strcmp(z, "-dbname")==0 ){ + if( i==argc-1 ){ + printf("ERROR: missing argument on \"%s\"\n", argv[0]); + exit(1); + } + zDbName = argv[++i]; + }else + if( strcmp(z,"-heap")==0 ){ + if( i>=argc-2 ){ + printf("ERROR: missing arguments on %s\n", argv[i]); + exit(1); + } + nHeap = integerValue(argv[i+1]); + mnHeap = integerValue(argv[i+2]); + i += 2; + }else + if( strcmp(z,"-stats")==0 ){ + showStats = 1; + }else + { + printf("ERROR: unknown option \"%s\"\n", argv[i]); + usage(argv[0]); + } + } + if( zCmd==0 ){ + printf("ERROR: no COMMAND specified\n"); + usage(argv[0]); + } + if( strcmp(zCmd, "run")==0 ){ + sqlite3 *db; + int rc; + char *zErr = 0; + void *pHeap = 0; + if( nHeap>0 ){ + pHeap = malloc( nHeap ); + if( pHeap==0 ){ + printf("ERROR: cannot allocate %d-byte heap\n", nHeap); + exit(1); + } + rc = sqlite3_config(SQLITE_CONFIG_HEAP, pHeap, nHeap, mnHeap); + if( rc ){ + printf("ERROR: heap configuration failed: %d\n", rc); + exit(1); + } + } + rc = sqlite3_open(zDbName, &db); + if( rc ){ + printf("SQLite error: %s\n", sqlite3_errmsg(db)); + }else{ + sqlite3_exec(db, "PRAGMA synchronous", 0, 0, &zErr); + } + if( zErr ){ + printf("ERROR: %s\n", zErr); + sqlite3_free(zErr); + } + if( showStats ){ + int iCur, iHi; + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHi, 0); + printf("-- Lookaside Slots Used: %d (max %d)\n", iCur,iHi); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHi, 0); + printf("-- Successful lookasides: %d\n", iHi); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur,&iHi,0); + printf("-- Lookaside size faults: %d\n", iHi); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur,&iHi,0); + printf("-- Lookaside OOM faults: %d\n", iHi); + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHi, 0); + printf("-- Pager Heap Usage: %d bytes\n", iCur); + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHi, 1); + printf("-- Page cache hits: %d\n", iCur); + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHi, 1); + printf("-- Page cache misses: %d\n", iCur); + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHi, 1); + printf("-- Page cache writes: %d\n", iCur); + sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHi, 0); + printf("-- Schema Heap Usage: %d bytes\n", iCur); + sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHi, 0); + printf("-- Statement Heap Usage: %d bytes\n", iCur); + } + sqlite3_close(db); + free(pHeap); + /* Global memory usage statistics printed after the database connection + ** has closed. Memory usage should be zero at this point. */ + if( showStats ){ + int iCur, iHi; + sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHi, 0); + printf("-- Memory Used (bytes): %d (max %d)\n", iCur,iHi); + sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHi, 0); + printf("-- Outstanding Allocations: %d (max %d)\n", iCur,iHi); + sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHi, 0); + printf("-- Pcache Overflow Bytes: %d (max %d)\n", iCur,iHi); + sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHi, 0); + printf("-- Largest Allocation: %d bytes\n",iHi); + sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHi, 0); + printf("-- Largest Pcache Allocation: %d bytes\n",iHi); +#ifdef __linux__ + displayLinuxIoStats(stdout); +#endif + } + return 0; + } + if( strcmp(zCmd, "init")==0 ){ + sqlite3 *db; + char *zAux; + char *zErr = 0; + int rc; + unlink(zDbName); + zAux = sqlite3_mprintf("%s-journal", zDbName); + unlink(zAux); + sqlite3_free(zAux); + zAux = sqlite3_mprintf("%s-wal", zDbName); + unlink(zAux); + sqlite3_free(zAux); + rc = sqlite3_open(zDbName, &db); + if( rc ){ + printf("SQLite error: %s\n", sqlite3_errmsg(db)); + }else{ + sqlite3_exec(db, "BEGIN", 0, 0, 0); + sqlite3_exec(db, zTestSchema, 0, 0, &zErr); + sqlite3_exec(db, "COMMIT", 0, 0, 0); + } + if( zErr ){ + printf("ERROR: %s\n", zErr); + sqlite3_free(zErr); + } + sqlite3_close(db); + return 0; + + } +} |