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Diffstat (limited to 'storage/sphinx/ha_sphinx.cc')
| -rw-r--r-- | storage/sphinx/ha_sphinx.cc | 3695 |
1 files changed, 3695 insertions, 0 deletions
diff --git a/storage/sphinx/ha_sphinx.cc b/storage/sphinx/ha_sphinx.cc new file mode 100644 index 00000000..0ca08bc3 --- /dev/null +++ b/storage/sphinx/ha_sphinx.cc @@ -0,0 +1,3695 @@ +// +// $Id: ha_sphinx.cc 4842 2014-11-12 21:03:06Z deogar $ +// + +// +// Copyright (c) 2001-2014, Andrew Aksyonoff +// Copyright (c) 2008-2014, Sphinx Technologies Inc +// All rights reserved +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License. You should have +// received a copy of the GPL license along with this program; if you +// did not, you can find it at http://www.gnu.org/ +// + +#ifdef USE_PRAGMA_IMPLEMENTATION +#pragma implementation // gcc: Class implementation +#endif + +#if defined(_MSC_VER) && _MSC_VER>=1400 +#define _CRT_SECURE_NO_DEPRECATE 1 +#define _CRT_NONSTDC_NO_DEPRECATE 1 +#endif + +#include <my_global.h> +#include <mysql_version.h> + +#if MYSQL_VERSION_ID>=50515 +#include "sql_class.h" +#include "sql_array.h" +#elif MYSQL_VERSION_ID>50100 +#include "mysql_priv.h" +#include <mysql/plugin.h> +#else +#include "../mysql_priv.h" +#endif + +#include <mysys_err.h> +#include <my_sys.h> +#include <mysql.h> // include client for INSERT table (sort of redoing federated..) + +#ifndef __WIN__ + // UNIX-specific + #include <my_net.h> + #include <netdb.h> + #include <sys/un.h> + + #define RECV_FLAGS MSG_WAITALL + + #define sphSockClose(_sock) ::close(_sock) +#else + // Windows-specific + #include <io.h> + #define snprintf _snprintf + + #define RECV_FLAGS 0 + + #define sphSockClose(_sock) ::closesocket(_sock) +#endif + +#include <ctype.h> +#include "ha_sphinx.h" + +#ifndef MSG_WAITALL +#define MSG_WAITALL 0 +#endif + +#if defined(_MSC_VER) && _MSC_VER>=1400 +#pragma warning(push,4) +#endif + +///////////////////////////////////////////////////////////////////////////// + +/// there might be issues with min() on different platforms (eg. Gentoo, they say) +#define Min(a,b) ((a)<(b)?(a):(b)) + +/// unaligned RAM accesses are forbidden on SPARC +#if defined(sparc) || defined(__sparc__) +#define UNALIGNED_RAM_ACCESS 0 +#else +#define UNALIGNED_RAM_ACCESS 1 +#endif + + +#if UNALIGNED_RAM_ACCESS + +/// pass-through wrapper +template < typename T > inline T sphUnalignedRead ( const T & tRef ) +{ + return tRef; +} + +/// pass-through wrapper +template < typename T > void sphUnalignedWrite ( void * pPtr, const T & tVal ) +{ + *(T*)pPtr = tVal; +} + +#else + +/// unaligned read wrapper for some architectures (eg. SPARC) +template < typename T > +inline T sphUnalignedRead ( const T & tRef ) +{ + T uTmp; + byte * pSrc = (byte *) &tRef; + byte * pDst = (byte *) &uTmp; + for ( int i=0; i<(int)sizeof(T); i++ ) + *pDst++ = *pSrc++; + return uTmp; +} + +/// unaligned write wrapper for some architectures (eg. SPARC) +template < typename T > +void sphUnalignedWrite ( void * pPtr, const T & tVal ) +{ + byte * pDst = (byte *) pPtr; + byte * pSrc = (byte *) &tVal; + for ( int i=0; i<(int)sizeof(T); i++ ) + *pDst++ = *pSrc++; +} + +#endif + +#if MYSQL_VERSION_ID>=50515 + +#define sphinx_hash_init my_hash_init +#define sphinx_hash_free my_hash_free +#define sphinx_hash_search my_hash_search +#define sphinx_hash_delete my_hash_delete + +#else + +#define sphinx_hash_init hash_init +#define sphinx_hash_free hash_free +#define sphinx_hash_search hash_search +#define sphinx_hash_delete hash_delete + +#endif + +///////////////////////////////////////////////////////////////////////////// + +// FIXME! make this all dynamic +#define SPHINXSE_MAX_FILTERS 32 + +#define SPHINXAPI_DEFAULT_HOST "127.0.0.1" +#define SPHINXAPI_DEFAULT_PORT 9312 +#define SPHINXAPI_DEFAULT_INDEX "*" + +#define SPHINXQL_DEFAULT_PORT 9306 + +#define SPHINXSE_SYSTEM_COLUMNS 3 + +#define SPHINXSE_MAX_ALLOC (16*1024*1024) +#define SPHINXSE_MAX_KEYWORDSTATS 4096 + +#define SPHINXSE_VERSION "2.2.6-release" + +// FIXME? the following is cut-n-paste from sphinx.h and searchd.cpp +// cut-n-paste is somewhat simpler that adding dependencies however.. + +enum +{ + SPHINX_SEARCHD_PROTO = 1, + SEARCHD_COMMAND_SEARCH = 0, + VER_COMMAND_SEARCH = 0x119, +}; + +/// search query sorting orders +enum ESphSortOrder +{ + SPH_SORT_RELEVANCE = 0, ///< sort by document relevance desc, then by date + SPH_SORT_ATTR_DESC = 1, ///< sort by document date desc, then by relevance desc + SPH_SORT_ATTR_ASC = 2, ///< sort by document date asc, then by relevance desc + SPH_SORT_TIME_SEGMENTS = 3, ///< sort by time segments (hour/day/week/etc) desc, then by relevance desc + SPH_SORT_EXTENDED = 4, ///< sort by SQL-like expression (eg. "@relevance DESC, price ASC, @id DESC") + SPH_SORT_EXPR = 5, ///< sort by expression + + SPH_SORT_TOTAL +}; + +/// search query matching mode +enum ESphMatchMode +{ + SPH_MATCH_ALL = 0, ///< match all query words + SPH_MATCH_ANY, ///< match any query word + SPH_MATCH_PHRASE, ///< match this exact phrase + SPH_MATCH_BOOLEAN, ///< match this boolean query + SPH_MATCH_EXTENDED, ///< match this extended query + SPH_MATCH_FULLSCAN, ///< match all document IDs w/o fulltext query, apply filters + SPH_MATCH_EXTENDED2, ///< extended engine V2 + + SPH_MATCH_TOTAL +}; + +/// search query relevance ranking mode +enum ESphRankMode +{ + SPH_RANK_PROXIMITY_BM25 = 0, ///< default mode, phrase proximity major factor and BM25 minor one + SPH_RANK_BM25 = 1, ///< statistical mode, BM25 ranking only (faster but worse quality) + SPH_RANK_NONE = 2, ///< no ranking, all matches get a weight of 1 + SPH_RANK_WORDCOUNT = 3, ///< simple word-count weighting, rank is a weighted sum of per-field keyword occurrence counts + SPH_RANK_PROXIMITY = 4, ///< phrase proximity + SPH_RANK_MATCHANY = 5, ///< emulate old match-any weighting + SPH_RANK_FIELDMASK = 6, ///< sets bits where there were matches + SPH_RANK_SPH04 = 7, ///< codename SPH04, phrase proximity + bm25 + head/exact boost + SPH_RANK_EXPR = 8, ///< expression based ranker + + SPH_RANK_TOTAL, + SPH_RANK_DEFAULT = SPH_RANK_PROXIMITY_BM25 +}; + +/// search query grouping mode +enum ESphGroupBy +{ + SPH_GROUPBY_DAY = 0, ///< group by day + SPH_GROUPBY_WEEK = 1, ///< group by week + SPH_GROUPBY_MONTH = 2, ///< group by month + SPH_GROUPBY_YEAR = 3, ///< group by year + SPH_GROUPBY_ATTR = 4, ///< group by attribute value + SPH_GROUPBY_ATTRPAIR = 5, ///< group by sequential attrs pair (rendered redundant by 64bit attrs support; removed) + SPH_GROUPBY_MULTIPLE = 6 ///< group by on multiple attribute values +}; + +/// known attribute types +enum +{ + SPH_ATTR_NONE = 0, ///< not an attribute at all + SPH_ATTR_INTEGER = 1, ///< this attr is just an integer + SPH_ATTR_TIMESTAMP = 2, ///< this attr is a timestamp + SPH_ATTR_ORDINAL = 3, ///< this attr is an ordinal string number (integer at search time, specially handled at indexing time) + SPH_ATTR_BOOL = 4, ///< this attr is a boolean bit field + SPH_ATTR_FLOAT = 5, + SPH_ATTR_BIGINT = 6, + SPH_ATTR_STRING = 7, ///< string (binary; in-memory) + + SPH_ATTR_UINT32SET = 0x40000001UL, ///< this attr is multiple int32 values (0 or more) + SPH_ATTR_UINT64SET = 0x40000002UL ///< this attr is multiple int64 values (0 or more) +}; + +/// known answers +enum +{ + SEARCHD_OK = 0, ///< general success, command-specific reply follows + SEARCHD_ERROR = 1, ///< general failure, error message follows + SEARCHD_RETRY = 2, ///< temporary failure, error message follows, client should retry later + SEARCHD_WARNING = 3 ///< general success, warning message and command-specific reply follow +}; + +////////////////////////////////////////////////////////////////////////////// + +#define SPHINX_DEBUG_OUTPUT 0 +#define SPHINX_DEBUG_CALLS 0 + +#include <stdarg.h> + +#if SPHINX_DEBUG_OUTPUT +inline void SPH_DEBUG ( const char * format, ... ) +{ + va_list ap; + va_start ( ap, format ); + fprintf ( stderr, "SphinxSE: " ); + vfprintf ( stderr, format, ap ); + fprintf ( stderr, "\n" ); + va_end ( ap ); +} +#else +inline void SPH_DEBUG ( const char *, ... ) {} +#endif + +#if SPHINX_DEBUG_CALLS + +#define SPH_ENTER_FUNC() { SPH_DEBUG ( "enter %s", __FUNCTION__ ); } +#define SPH_ENTER_METHOD() { SPH_DEBUG ( "enter %s(this=%08x)", __FUNCTION__, this ); } +#define SPH_RET(_arg) { SPH_DEBUG ( "leave %s", __FUNCTION__ ); return _arg; } +#define SPH_VOID_RET() { SPH_DEBUG ( "leave %s", __FUNCTION__ ); return; } + +#else + +#define SPH_ENTER_FUNC() +#define SPH_ENTER_METHOD() +#define SPH_RET(_arg) { return(_arg); } +#define SPH_VOID_RET() { return; } + +#endif + + +#define SafeDelete(_arg) { delete ( _arg ); (_arg) = NULL; } +#define SafeDeleteArray(_arg) { if ( _arg ) { delete [] ( _arg ); (_arg) = NULL; } } + +////////////////////////////////////////////////////////////////////////////// + +/// per-table structure that will be shared among all open Sphinx SE handlers +struct CSphSEShare +{ + pthread_mutex_t m_tMutex; + THR_LOCK m_tLock; + + char * m_sTable; + char * m_sScheme; ///< our connection string + char * m_sHost; ///< points into m_sScheme buffer, DO NOT FREE EXPLICITLY + char * m_sSocket; ///< points into m_sScheme buffer, DO NOT FREE EXPLICITLY + char * m_sIndex; ///< points into m_sScheme buffer, DO NOT FREE EXPLICITLY + ushort m_iPort; + bool m_bSphinxQL; ///< is this read-only SphinxAPI table, or write-only SphinxQL table? + uint m_iTableNameLen; + uint m_iUseCount; +#if MYSQL_VERSION_ID<50610 + CHARSET_INFO * m_pTableQueryCharset; +#else + const CHARSET_INFO * m_pTableQueryCharset; +#endif + + int m_iTableFields; + char ** m_sTableField; + enum_field_types * m_eTableFieldType; + + CSphSEShare () + : m_sTable ( NULL ) + , m_sScheme ( NULL ) + , m_sHost ( NULL ) + , m_sSocket ( NULL ) + , m_sIndex ( NULL ) + , m_iPort ( 0 ) + , m_bSphinxQL ( false ) + , m_iTableNameLen ( 0 ) + , m_iUseCount ( 1 ) + , m_pTableQueryCharset ( NULL ) + + , m_iTableFields ( 0 ) + , m_sTableField ( NULL ) + , m_eTableFieldType ( NULL ) + { + thr_lock_init ( &m_tLock ); + pthread_mutex_init ( &m_tMutex, MY_MUTEX_INIT_FAST ); + } + + ~CSphSEShare () + { + pthread_mutex_destroy ( &m_tMutex ); + thr_lock_delete ( &m_tLock ); + + SafeDeleteArray ( m_sTable ); + SafeDeleteArray ( m_sScheme ); + ResetTable (); + } + + void ResetTable () + { + for ( int i=0; i<m_iTableFields; i++ ) + SafeDeleteArray ( m_sTableField[i] ); + SafeDeleteArray ( m_sTableField ); + SafeDeleteArray ( m_eTableFieldType ); + } +}; + +/// schema attribute +struct CSphSEAttr +{ + char * m_sName; ///< attribute name (received from Sphinx) + uint32 m_uType; ///< attribute type (received from Sphinx) + int m_iField; ///< field index in current table (-1 if none) + + CSphSEAttr() + : m_sName ( NULL ) + , m_uType ( SPH_ATTR_NONE ) + , m_iField ( -1 ) + {} + + ~CSphSEAttr () + { + SafeDeleteArray ( m_sName ); + } +}; + +/// word stats +struct CSphSEWordStats +{ + char * m_sWord; + int m_iDocs; + int m_iHits; + + CSphSEWordStats () + : m_sWord ( NULL ) + , m_iDocs ( 0 ) + , m_iHits ( 0 ) + {} + + ~CSphSEWordStats () + { + SafeDeleteArray ( m_sWord ); + } +}; + +/// request stats +struct CSphSEStats +{ +public: + int m_iMatchesTotal; + int m_iMatchesFound; + int m_iQueryMsec; + int m_iWords; + CSphSEWordStats * m_dWords; + bool m_bLastError; + char m_sLastMessage[1024]; + + CSphSEStats() + : m_dWords ( NULL ) + { + Reset (); + } + + void Reset () + { + m_iMatchesTotal = 0; + m_iMatchesFound = 0; + m_iQueryMsec = 0; + m_iWords = 0; + m_bLastError = false; + m_sLastMessage[0] = '\0'; + SafeDeleteArray ( m_dWords ); + } + + ~CSphSEStats() + { + SafeDeleteArray ( m_dWords ); + } +}; + +/// thread local storage +struct CSphSEThreadTable +{ + static const int MAX_QUERY_LEN = 262144; // 256k should be enough, right? + + bool m_bStats; + CSphSEStats m_tStats; + + bool m_bQuery; + char m_sQuery[MAX_QUERY_LEN]; + +#if MYSQL_VERSION_ID<50610 + CHARSET_INFO * m_pQueryCharset; +#else + const CHARSET_INFO * m_pQueryCharset; +#endif + + bool m_bReplace; ///< are we doing an INSERT or REPLACE + + bool m_bCondId; ///< got a value from condition pushdown + longlong m_iCondId; ///< value acquired from id=value condition pushdown + bool m_bCondDone; ///< index_read() is now over + + const ha_sphinx * m_pHandler; + CSphSEThreadTable * m_pTableNext; + + CSphSEThreadTable ( const ha_sphinx * pHandler ) + : m_bStats ( false ) + , m_bQuery ( false ) + , m_pQueryCharset ( NULL ) + , m_bReplace ( false ) + , m_bCondId ( false ) + , m_iCondId ( 0 ) + , m_bCondDone ( false ) + , m_pHandler ( pHandler ) + , m_pTableNext ( NULL ) + {} +}; + + +struct CSphTLS +{ + CSphSEThreadTable * m_pHeadTable; + + explicit CSphTLS ( const ha_sphinx * pHandler ) + { + m_pHeadTable = new CSphSEThreadTable ( pHandler ); + } + + ~CSphTLS() + { + CSphSEThreadTable * pCur = m_pHeadTable; + while ( pCur ) + { + CSphSEThreadTable * pNext = pCur->m_pTableNext; + SafeDelete ( pCur ); + pCur = pNext; + } + } +}; + + +/// filter types +enum ESphFilter +{ + SPH_FILTER_VALUES = 0, ///< filter by integer values set + SPH_FILTER_RANGE = 1, ///< filter by integer range + SPH_FILTER_FLOATRANGE = 2 ///< filter by float range +}; + + +/// search query filter +struct CSphSEFilter +{ +public: + ESphFilter m_eType; + char * m_sAttrName; + longlong m_uMinValue; + longlong m_uMaxValue; + float m_fMinValue; + float m_fMaxValue; + int m_iValues; + longlong * m_pValues; + int m_bExclude; + +public: + CSphSEFilter () + : m_eType ( SPH_FILTER_VALUES ) + , m_sAttrName ( NULL ) + , m_uMinValue ( 0 ) + , m_uMaxValue ( UINT_MAX ) + , m_fMinValue ( 0.0f ) + , m_fMaxValue ( 0.0f ) + , m_iValues ( 0 ) + , m_pValues ( NULL ) + , m_bExclude ( 0 ) + { + } + + ~CSphSEFilter () + { + SafeDeleteArray ( m_pValues ); + } +}; + + +/// float vs dword conversion +inline uint32 sphF2DW ( float f ) { union { float f; uint32 d; } u; u.f = f; return u.d; } + +/// dword vs float conversion +inline float sphDW2F ( uint32 d ) { union { float f; uint32 d; } u; u.d = d; return u.f; } + + +/// client-side search query +struct CSphSEQuery +{ +public: + const char * m_sHost; + int m_iPort; + +private: + char * m_sQueryBuffer; + + const char * m_sIndex; + int m_iOffset; + int m_iLimit; + + bool m_bQuery; + const char * m_sQuery; + uint32 * m_pWeights; + int m_iWeights; + ESphMatchMode m_eMode; + ESphRankMode m_eRanker; + char * m_sRankExpr; + ESphSortOrder m_eSort; + const char * m_sSortBy; + int m_iMaxMatches; + int m_iMaxQueryTime; + uint32 m_iMinID; + uint32 m_iMaxID; + + int m_iFilters; + CSphSEFilter m_dFilters[SPHINXSE_MAX_FILTERS]; + + ESphGroupBy m_eGroupFunc; + const char * m_sGroupBy; + const char * m_sGroupSortBy; + int m_iCutoff; + int m_iRetryCount; + int m_iRetryDelay; + const char * m_sGroupDistinct; ///< points to query buffer; do NOT delete + int m_iIndexWeights; + char * m_sIndexWeight[SPHINXSE_MAX_FILTERS]; ///< points to query buffer; do NOT delete + int m_iIndexWeight[SPHINXSE_MAX_FILTERS]; + int m_iFieldWeights; + char * m_sFieldWeight[SPHINXSE_MAX_FILTERS]; ///< points to query buffer; do NOT delete + int m_iFieldWeight[SPHINXSE_MAX_FILTERS]; + + bool m_bGeoAnchor; + const char * m_sGeoLatAttr; + const char * m_sGeoLongAttr; + float m_fGeoLatitude; + float m_fGeoLongitude; + + char * m_sComment; + char * m_sSelect; + + struct Override_t + { + Override_t() : m_dIds(PSI_INSTRUMENT_MEM), m_dValues(PSI_INSTRUMENT_MEM) {} + union Value_t + { + uint32 m_uValue; + longlong m_iValue64; + float m_fValue; + }; + char * m_sName; ///< points to query buffer + int m_iType; + Dynamic_array<ulonglong> m_dIds; + Dynamic_array<Value_t> m_dValues; + }; + Dynamic_array<Override_t *> m_dOverrides; + +public: + char m_sParseError[256]; + +public: + CSphSEQuery ( const char * sQuery, int iLength, const char * sIndex ); + ~CSphSEQuery (); + + bool Parse (); + int BuildRequest ( char ** ppBuffer ); + +protected: + char * m_pBuf; + char * m_pCur; + int m_iBufLeft; + bool m_bBufOverrun; + + template < typename T > int ParseArray ( T ** ppValues, const char * sValue ); + bool ParseField ( char * sField ); + + void SendBytes ( const void * pBytes, int iBytes ); + void SendWord ( short int v ) { v = ntohs(v); SendBytes ( &v, sizeof(v) ); } + void SendInt ( int v ) { v = ntohl(v); SendBytes ( &v, sizeof(v) ); } + void SendDword ( uint v ) { v = ntohl(v) ;SendBytes ( &v, sizeof(v) ); } + void SendUint64 ( ulonglong v ) { SendDword ( (uint)(v>>32) ); SendDword ( (uint)(v&0xFFFFFFFFUL) ); } + void SendString ( const char * v ) { int iLen = strlen(v); SendDword(iLen); SendBytes ( v, iLen ); } + void SendFloat ( float v ) { SendDword ( sphF2DW(v) ); } +}; + +#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION +template int CSphSEQuery::ParseArray<uint32> ( uint32 **, const char * ); +template int CSphSEQuery::ParseArray<longlong> ( longlong **, const char * ); +#endif + +////////////////////////////////////////////////////////////////////////////// + +#if MYSQL_VERSION_ID>50100 + +#if MYSQL_VERSION_ID<50114 +#error Sphinx SE requires MySQL 5.1.14 or higher if compiling for 5.1.x series! +#endif + +static handler * sphinx_create_handler ( handlerton * hton, TABLE_SHARE * table, MEM_ROOT * mem_root ); +static int sphinx_init_func ( void * p ); +static int sphinx_close_connection ( handlerton * hton, THD * thd ); +static int sphinx_panic ( handlerton * hton, enum ha_panic_function flag ); +static bool sphinx_show_status ( handlerton * hton, THD * thd, stat_print_fn * stat_print, enum ha_stat_type stat_type ); + +#else + +static bool sphinx_init_func_for_handlerton (); +static int sphinx_close_connection ( THD * thd ); +bool sphinx_show_status ( THD * thd ); + +#endif // >50100 + +////////////////////////////////////////////////////////////////////////////// + +static const char sphinx_hton_name[] = "SPHINX"; +static const char sphinx_hton_comment[] = "Sphinx storage engine " SPHINXSE_VERSION; + +#if MYSQL_VERSION_ID<50100 +handlerton sphinx_hton = +{ + #ifdef MYSQL_HANDLERTON_INTERFACE_VERSION + MYSQL_HANDLERTON_INTERFACE_VERSION, + #endif + sphinx_hton_name, + SHOW_OPTION_YES, + sphinx_hton_comment, + DB_TYPE_SPHINX_DB, + sphinx_init_func_for_handlerton, + 0, // slot + 0, // savepoint size + sphinx_close_connection, // close_connection + NULL, // savepoint + NULL, // rollback to savepoint + NULL, // release savepoint + NULL, // commit + NULL, // rollback + NULL, // prepare + NULL, // recover + NULL, // commit_by_xid + NULL, // rollback_by_xid + NULL, // create_cursor_read_view + NULL, // set_cursor_read_view + NULL, // close_cursor_read_view + HTON_CAN_RECREATE | HTON_AUTOMATIC_DELETE_TABLE +}; +#else +static handlerton * sphinx_hton_ptr = NULL; +#endif + +////////////////////////////////////////////////////////////////////////////// + +// variables for Sphinx shared methods +pthread_mutex_t sphinx_mutex; // mutex to init the hash +static int sphinx_init = 0; // flag whether the hash was initialized +static HASH sphinx_open_tables; // hash used to track open tables + +////////////////////////////////////////////////////////////////////////////// +// INITIALIZATION AND SHUTDOWN +////////////////////////////////////////////////////////////////////////////// + +// hashing function +#if MYSQL_VERSION_ID>=50120 +typedef size_t GetKeyLength_t; +#else +typedef uint GetKeyLength_t; +#endif + +static byte * sphinx_get_key ( const byte * pSharePtr, GetKeyLength_t * pLength, my_bool ) +{ + CSphSEShare * pShare = (CSphSEShare *) pSharePtr; + *pLength = (size_t) pShare->m_iTableNameLen; + return (byte*) pShare->m_sTable; +} + +#if MYSQL_VERSION_ID<50100 +static int sphinx_init_func ( void * ) // to avoid unused arg warning +#else +static int sphinx_init_func ( void * p ) +#endif +{ + SPH_ENTER_FUNC(); + if ( !sphinx_init ) + { + sphinx_init = 1; + void ( pthread_mutex_init ( &sphinx_mutex, MY_MUTEX_INIT_FAST ) ); + sphinx_hash_init ( PSI_NOT_INSTRUMENTED, &sphinx_open_tables, + system_charset_info, 32, 0, 0, + sphinx_get_key, 0, 0 ); + + #if MYSQL_VERSION_ID > 50100 + handlerton * hton = (handlerton*) p; + hton->db_type = DB_TYPE_AUTOASSIGN; + hton->create = sphinx_create_handler; + hton->close_connection = sphinx_close_connection; + hton->show_status = sphinx_show_status; + hton->panic = sphinx_panic; + hton->drop_table= [](handlerton *, const char*) { return -1; }; + hton->flags = HTON_CAN_RECREATE; + #endif + } + SPH_RET(0); +} + + +#if MYSQL_VERSION_ID<50100 +static bool sphinx_init_func_for_handlerton () +{ + return sphinx_init_func ( &sphinx_hton ); +} +#endif + + +#if MYSQL_VERSION_ID>50100 + +static int sphinx_close_connection ( handlerton * hton, THD * thd ) +{ + // deallocate common handler data + SPH_ENTER_FUNC(); + CSphTLS * pTls = (CSphTLS *) thd_get_ha_data ( thd, hton ); + SafeDelete ( pTls ); + SPH_RET(0); +} + + +static int sphinx_done_func ( void * ) +{ + SPH_ENTER_FUNC(); + + int error __attribute__ ((unused)) = 0; + if ( sphinx_init ) + { + sphinx_init = 0; + if ( sphinx_open_tables.records ) + error = 1; + sphinx_hash_free ( &sphinx_open_tables ); + pthread_mutex_destroy ( &sphinx_mutex ); + } + + SPH_RET(0); +} + + +static int sphinx_panic ( handlerton * hton, enum ha_panic_function ) +{ + return sphinx_done_func ( hton ); +} + +#else + +static int sphinx_close_connection ( THD * thd ) +{ + // deallocate common handler data + SPH_ENTER_FUNC(); + CSphTLS * pTls = (CSphTLS *) thd->ha_data[sphinx_hton.slot]; + SafeDelete ( pTls ); + thd->ha_data[sphinx_hton.slot] = NULL; + SPH_RET(0); +} + +#endif // >50100 + +////////////////////////////////////////////////////////////////////////////// +// SHOW STATUS +////////////////////////////////////////////////////////////////////////////// + +#if MYSQL_VERSION_ID>50100 +static bool sphinx_show_status ( handlerton * hton, THD * thd, stat_print_fn * stat_print, + enum ha_stat_type ) +#else +bool sphinx_show_status ( THD * thd ) +#endif +{ + SPH_ENTER_FUNC(); + +#if MYSQL_VERSION_ID<50100 + Protocol * protocol = thd->protocol; + List<Item> field_list; +#endif + + char buf1[IO_SIZE]; + uint buf1len; + char buf2[IO_SIZE]; + uint buf2len = 0; + String words; + + buf1[0] = '\0'; + buf2[0] = '\0'; + + +#if MYSQL_VERSION_ID>50100 + // 5.1.x style stats + CSphTLS * pTls = (CSphTLS*) ( thd_get_ha_data ( thd, hton ) ); + +#define LOC_STATS(_key,_keylen,_val,_vallen) \ + stat_print ( thd, sphinx_hton_name, strlen(sphinx_hton_name), _key, _keylen, _val, _vallen ); + +#else + // 5.0.x style stats + if ( have_sphinx_db!=SHOW_OPTION_YES ) + { + my_message ( ER_NOT_SUPPORTED_YET, + "failed to call SHOW SPHINX STATUS: --skip-sphinx was specified", + MYF(0) ); + SPH_RET(TRUE); + } + CSphTLS * pTls = (CSphTLS*) thd->ha_data[sphinx_hton.slot]; + + field_list.push_back ( new Item_empty_string ( thd, "Type", 10 ) ); + field_list.push_back ( new Item_empty_string ( thd, "Name", FN_REFLEN ) ); + field_list.push_back ( new Item_empty_string ( thd, "Status", 10 ) ); + if ( protocol->send_fields ( &field_list, Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF ) ) + SPH_RET(TRUE); + +#define LOC_STATS(_key,_keylen,_val,_vallen) \ + protocol->prepare_for_resend (); \ + protocol->store ( "SPHINX", 6, system_charset_info ); \ + protocol->store ( _key, _keylen, system_charset_info ); \ + protocol->store ( _val, _vallen, system_charset_info ); \ + if ( protocol->write() ) \ + SPH_RET(TRUE); + +#endif + + + // show query stats + if ( pTls && pTls->m_pHeadTable && pTls->m_pHeadTable->m_bStats ) + { + const CSphSEStats * pStats = &pTls->m_pHeadTable->m_tStats; + buf1len = my_snprintf ( buf1, sizeof(buf1), + "total: %d, total found: %d, time: %d, words: %d", + pStats->m_iMatchesTotal, pStats->m_iMatchesFound, pStats->m_iQueryMsec, pStats->m_iWords ); + + LOC_STATS ( "stats", 5, buf1, buf1len ); + + if ( pStats->m_iWords ) + { + for ( int i=0; i<pStats->m_iWords; i++ ) + { + CSphSEWordStats & tWord = pStats->m_dWords[i]; + buf2len = my_snprintf ( buf2, sizeof(buf2), "%s%s:%d:%d ", + buf2, tWord.m_sWord, tWord.m_iDocs, tWord.m_iHits ); + } + + // convert it if we can + const char * sWord = buf2; + int iWord = buf2len; + + String sBuf3; + if ( pTls->m_pHeadTable->m_pQueryCharset ) + { + uint iErrors; + sBuf3.copy ( buf2, buf2len, pTls->m_pHeadTable->m_pQueryCharset, system_charset_info, &iErrors ); + sWord = sBuf3.c_ptr(); + iWord = sBuf3.length(); + } + + LOC_STATS ( "words", 5, sWord, iWord ); + } + } + + // show last error or warning (either in addition to stats, or on their own) + if ( pTls && pTls->m_pHeadTable && pTls->m_pHeadTable->m_tStats.m_sLastMessage[0] ) + { + const char * sMessageType = pTls->m_pHeadTable->m_tStats.m_bLastError ? "error" : "warning"; + + LOC_STATS ( + sMessageType, strlen ( sMessageType ), + pTls->m_pHeadTable->m_tStats.m_sLastMessage, strlen ( pTls->m_pHeadTable->m_tStats.m_sLastMessage ) ); + + } else + { + // well, nothing to show just yet +#if MYSQL_VERSION_ID < 50100 + LOC_STATS ( "stats", 5, "no query has been executed yet", sizeof("no query has been executed yet")-1 ); +#endif + } + +#if MYSQL_VERSION_ID < 50100 + send_eof(thd); +#endif + + SPH_RET(FALSE); +} + +////////////////////////////////////////////////////////////////////////////// +// HELPERS +////////////////////////////////////////////////////////////////////////////// + +static char * sphDup ( const char * sSrc, int iLen=-1 ) +{ + if ( !sSrc ) + return NULL; + + if ( iLen<0 ) + iLen = strlen(sSrc); + + char * sRes = new char [ 1+iLen ]; + memcpy ( sRes, sSrc, iLen ); + sRes[iLen] = '\0'; + return sRes; +} + + +static void sphLogError ( const char * sFmt, ... ) +{ + // emit timestamp +#ifdef __WIN__ + SYSTEMTIME t; + GetLocalTime ( &t ); + + fprintf ( stderr, "%02d%02d%02d %2d:%02d:%02d SphinxSE: internal error: ", + (int)t.wYear % 100, (int)t.wMonth, (int)t.wDay, + (int)t.wHour, (int)t.wMinute, (int)t.wSecond ); +#else + // Unix version + time_t tStamp; + time ( &tStamp ); + + struct tm * pParsed; +#ifdef HAVE_LOCALTIME_R + struct tm tParsed; + localtime_r ( &tStamp, &tParsed ); + pParsed = &tParsed; +#else + pParsed = localtime ( &tStamp ); +#endif // HAVE_LOCALTIME_R + + fprintf ( stderr, "%02d%02d%02d %2d:%02d:%02d SphinxSE: internal error: ", + pParsed->tm_year % 100, pParsed->tm_mon + 1, pParsed->tm_mday, + pParsed->tm_hour, pParsed->tm_min, pParsed->tm_sec); +#endif // __WIN__ + + // emit message + va_list ap; + va_start ( ap, sFmt ); + vfprintf ( stderr, sFmt, ap ); + va_end ( ap ); + + // emit newline + fprintf ( stderr, "\n" ); +} + + + +// the following scheme variants are recognized +// +// sphinx://host[:port]/index +// sphinxql://host[:port]/index +// unix://unix/domain/socket[:index] +static bool ParseUrl ( CSphSEShare * share, TABLE * table, bool bCreate ) +{ + SPH_ENTER_FUNC(); + + if ( share ) + { + // check incoming stuff + if ( !table ) + { + sphLogError ( "table==NULL in ParseUrl()" ); + return false; + } + if ( !table->s ) + { + sphLogError ( "(table->s)==NULL in ParseUrl()" ); + return false; + } + + // free old stuff + share->ResetTable (); + + // fill new stuff + share->m_iTableFields = table->s->fields; + if ( share->m_iTableFields ) + { + share->m_sTableField = new char * [ share->m_iTableFields ]; + share->m_eTableFieldType = new enum_field_types [ share->m_iTableFields ]; + + for ( int i=0; i<share->m_iTableFields; i++ ) + { + share->m_sTableField[i] = sphDup ( table->field[i]->field_name.str ); + share->m_eTableFieldType[i] = table->field[i]->type(); + } + } + } + + // defaults + bool bOk = true; + bool bQL = false; + char * sScheme = NULL; + char * sHost = (char*) SPHINXAPI_DEFAULT_HOST; + char * sIndex = (char*) SPHINXAPI_DEFAULT_INDEX; + int iPort = SPHINXAPI_DEFAULT_PORT; + + // parse connection string, if any + while ( table->s->connect_string.length!=0 ) + { + sScheme = sphDup ( table->s->connect_string.str, table->s->connect_string.length ); + + sHost = strstr ( sScheme, "://" ); + if ( !sHost ) + { + bOk = false; + break; + } + sHost[0] = '\0'; + sHost += 3; + + ///////////////////////////// + // sphinxapi via unix socket + ///////////////////////////// + + if ( !strcmp ( sScheme, "unix" ) ) + { + sHost--; // reuse last slash + iPort = 0; + if (!( sIndex = strrchr ( sHost, ':' ) )) + sIndex = (char*) SPHINXAPI_DEFAULT_INDEX; + else + { + *sIndex++ = '\0'; + if ( !*sIndex ) + sIndex = (char*) SPHINXAPI_DEFAULT_INDEX; + } + bOk = true; + break; + } + + ///////////////////// + // sphinxapi via tcp + ///////////////////// + + if ( !strcmp ( sScheme, "sphinx" ) ) + { + char * sPort = strchr ( sHost, ':' ); + if ( sPort ) + { + *sPort++ = '\0'; + if ( *sPort ) + { + sIndex = strchr ( sPort, '/' ); + if ( sIndex ) + *sIndex++ = '\0'; + else + sIndex = (char*) SPHINXAPI_DEFAULT_INDEX; + + iPort = atoi(sPort); + if ( !iPort ) + iPort = SPHINXAPI_DEFAULT_PORT; + } + } else + { + sIndex = strchr ( sHost, '/' ); + if ( sIndex ) + *sIndex++ = '\0'; + else + sIndex = (char*) SPHINXAPI_DEFAULT_INDEX; + } + bOk = true; + break; + } + + //////////// + // sphinxql + //////////// + + if ( !strcmp ( sScheme, "sphinxql" ) ) + { + bQL = true; + iPort = SPHINXQL_DEFAULT_PORT; + + // handle port + char * sPort = strchr ( sHost, ':' ); + sIndex = sHost; // starting point for index name search + + if ( sPort ) + { + *sPort++ = '\0'; + sIndex = sPort; + + iPort = atoi(sPort); + if ( !iPort ) + { + bOk = false; // invalid port; can report ER_FOREIGN_DATA_STRING_INVALID + break; + } + } + + // find index + sIndex = strchr ( sIndex, '/' ); + if ( sIndex ) + *sIndex++ = '\0'; + + // final checks + // host and index names are required + bOk = ( sHost && *sHost && sIndex && *sIndex ); + break; + } + + // unknown case + bOk = false; + break; + } + + if ( !bOk ) + { + my_error ( bCreate ? ER_FOREIGN_DATA_STRING_INVALID_CANT_CREATE : ER_FOREIGN_DATA_STRING_INVALID, + MYF(0), table->s->connect_string.str); + } else + { + if ( share ) + { + SafeDeleteArray ( share->m_sScheme ); + share->m_sScheme = sScheme; + share->m_sHost = sHost; + share->m_sIndex = sIndex; + share->m_iPort = (ushort)iPort; + share->m_bSphinxQL = bQL; + } + } + if ( !bOk && !share ) + SafeDeleteArray ( sScheme ); + + SPH_RET(bOk); +} + + +// Example of simple lock controls. The "share" it creates is structure we will +// pass to each sphinx handler. Do you have to have one of these? Well, you have +// pieces that are used for locking, and they are needed to function. +static CSphSEShare * get_share ( const char * table_name, TABLE * table ) +{ + SPH_ENTER_FUNC(); + pthread_mutex_lock ( &sphinx_mutex ); + + CSphSEShare * pShare = NULL; + for ( ;; ) + { + // check if we already have this share +#if MYSQL_VERSION_ID>=50120 + pShare = (CSphSEShare*) sphinx_hash_search ( &sphinx_open_tables, (const uchar *) table_name, strlen(table_name) ); +#else +#ifdef __WIN__ + pShare = (CSphSEShare*) sphinx_hash_search ( &sphinx_open_tables, (const byte *) table_name, strlen(table_name) ); +#else + pShare = (CSphSEShare*) sphinx_hash_search ( &sphinx_open_tables, table_name, strlen(table_name) ); +#endif // win +#endif // pre-5.1.20 + + if ( pShare ) + { + pShare->m_iUseCount++; + break; + } + + // try to allocate new share + pShare = new CSphSEShare (); + if ( !pShare ) + break; + + // try to setup it + if ( !ParseUrl ( pShare, table, false ) ) + { + SafeDelete ( pShare ); + break; + } + + if ( !pShare->m_bSphinxQL ) + pShare->m_pTableQueryCharset = table->field[2]->charset(); + + // try to hash it + pShare->m_iTableNameLen = strlen(table_name); + pShare->m_sTable = sphDup ( table_name ); + if ( my_hash_insert ( &sphinx_open_tables, (const byte *)pShare ) ) + { + SafeDelete ( pShare ); + break; + } + + // all seems fine + break; + } + + pthread_mutex_unlock ( &sphinx_mutex ); + SPH_RET(pShare); +} + + +// Free lock controls. We call this whenever we close a table. If the table had +// the last reference to the share then we free memory associated with it. +static int free_share ( CSphSEShare * pShare ) +{ + SPH_ENTER_FUNC(); + pthread_mutex_lock ( &sphinx_mutex ); + + if ( !--pShare->m_iUseCount ) + { + sphinx_hash_delete ( &sphinx_open_tables, (byte *)pShare ); + SafeDelete ( pShare ); + } + + pthread_mutex_unlock ( &sphinx_mutex ); + SPH_RET(0); +} + + +#if MYSQL_VERSION_ID>50100 +static handler * sphinx_create_handler ( handlerton * hton, TABLE_SHARE * table, MEM_ROOT * mem_root ) +{ + sphinx_hton_ptr = hton; + return new ( mem_root ) ha_sphinx ( hton, table ); +} +#endif + +////////////////////////////////////////////////////////////////////////////// +// CLIENT-SIDE REQUEST STUFF +////////////////////////////////////////////////////////////////////////////// + +CSphSEQuery::CSphSEQuery ( const char * sQuery, int iLength, const char * sIndex ) + : m_sHost ( "" ) + , m_iPort ( 0 ) + , m_sIndex ( sIndex ? sIndex : "*" ) + , m_iOffset ( 0 ) + , m_iLimit ( 20 ) + , m_bQuery ( false ) + , m_sQuery ( "" ) + , m_pWeights ( NULL ) + , m_iWeights ( 0 ) + , m_eMode ( SPH_MATCH_ALL ) + , m_eRanker ( SPH_RANK_PROXIMITY_BM25 ) + , m_sRankExpr ( NULL ) + , m_eSort ( SPH_SORT_RELEVANCE ) + , m_sSortBy ( "" ) + , m_iMaxMatches ( 1000 ) + , m_iMaxQueryTime ( 0 ) + , m_iMinID ( 0 ) + , m_iMaxID ( 0 ) + , m_iFilters ( 0 ) + , m_eGroupFunc ( SPH_GROUPBY_DAY ) + , m_sGroupBy ( "" ) + , m_sGroupSortBy ( "@group desc" ) + , m_iCutoff ( 0 ) + , m_iRetryCount ( 0 ) + , m_iRetryDelay ( 0 ) + , m_sGroupDistinct ( "" ) + , m_iIndexWeights ( 0 ) + , m_iFieldWeights ( 0 ) + , m_bGeoAnchor ( false ) + , m_sGeoLatAttr ( "" ) + , m_sGeoLongAttr ( "" ) + , m_fGeoLatitude ( 0.0f ) + , m_fGeoLongitude ( 0.0f ) + , m_sComment ( (char*) "" ) + , m_sSelect ( (char*) "*" ) + , m_dOverrides (PSI_INSTRUMENT_MEM) + + , m_pBuf ( NULL ) + , m_pCur ( NULL ) + , m_iBufLeft ( 0 ) + , m_bBufOverrun ( false ) +{ + m_sQueryBuffer = new char [ iLength+2 ]; + memcpy ( m_sQueryBuffer, sQuery, iLength ); + m_sQueryBuffer[iLength] = ';'; + m_sQueryBuffer[iLength+1] = '\0'; +} + + +CSphSEQuery::~CSphSEQuery () +{ + SPH_ENTER_METHOD(); + SafeDeleteArray ( m_sQueryBuffer ); + SafeDeleteArray ( m_pWeights ); + SafeDeleteArray ( m_pBuf ); + for ( size_t i=0; i<m_dOverrides.elements(); i++ ) + SafeDelete ( m_dOverrides.at(i) ); + SPH_VOID_RET(); +} + + +template < typename T > +int CSphSEQuery::ParseArray ( T ** ppValues, const char * sValue ) +{ + SPH_ENTER_METHOD(); + + assert ( ppValues ); + assert ( !(*ppValues) ); + + const char * pValue; + bool bPrevDigit = false; + int iValues = 0; + + // count the values + for ( pValue=sValue; *pValue; pValue++ ) + { + bool bDigit = (*pValue)>='0' && (*pValue)<='9'; + if ( bDigit && !bPrevDigit ) + iValues++; + bPrevDigit = bDigit; + } + if ( !iValues ) + SPH_RET(0); + + // extract the values + T * pValues = new T [ iValues ]; + *ppValues = pValues; + + int iIndex = 0, iSign = 1; + T uValue = 0; + + bPrevDigit = false; + for ( pValue=sValue ;; pValue++ ) + { + bool bDigit = (*pValue)>='0' && (*pValue)<='9'; + + if ( bDigit ) + { + if ( !bPrevDigit ) + uValue = 0; + uValue = uValue*10 + ( (*pValue)-'0' ); + } else if ( bPrevDigit ) + { + assert ( iIndex<iValues ); + pValues [ iIndex++ ] = uValue * iSign; + iSign = 1; + } else if ( *pValue=='-' ) + iSign = -1; + + bPrevDigit = bDigit; + if ( !*pValue ) + break; + } + + SPH_RET ( iValues ); +} + + +static char * chop ( char * s ) +{ + while ( *s && isspace(*s) ) + s++; + + char * p = s + strlen(s); + while ( p>s && isspace ( p[-1] ) ) + p--; + *p = '\0'; + + return s; +} + + +static bool myisattr ( char c ) +{ + return + ( c>='0' && c<='9' ) || + ( c>='a' && c<='z' ) || + ( c>='A' && c<='Z' ) || + c=='_'; +} + +static bool myismagic ( char c ) +{ + return c=='@'; +} + +static bool myisjson ( char c ) +{ + return + c=='.' || + c=='[' || + c==']'; +} + + +bool CSphSEQuery::ParseField ( char * sField ) +{ + SPH_ENTER_METHOD(); + + // look for option name/value separator + char * sValue = strchr ( sField, '=' ); + if ( !sValue || sValue==sField || sValue[-1]=='\\' ) + { + // by default let's assume it's just query + if ( sField[0] ) + { + if ( m_bQuery ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "search query already specified; '%s' is redundant", sField ); + SPH_RET(false); + } else + { + m_sQuery = sField; + m_bQuery = true; + + // unescape only 1st one + char *s = sField, *d = sField; + int iSlashes = 0; + while ( *s ) + { + iSlashes = ( *s=='\\' ) ? iSlashes+1 : 0; + if ( ( iSlashes%2 )==0 ) *d++ = *s; + s++; + } + *d = '\0'; + } + } + SPH_RET(true); + } + + // split + *sValue++ = '\0'; + sValue = chop ( sValue ); + int iValue = atoi ( sValue ); + + // handle options + char * sName = chop ( sField ); + + if ( !strcmp ( sName, "query" ) ) m_sQuery = sValue; + else if ( !strcmp ( sName, "host" ) ) m_sHost = sValue; + else if ( !strcmp ( sName, "port" ) ) m_iPort = iValue; + else if ( !strcmp ( sName, "index" ) ) m_sIndex = sValue; + else if ( !strcmp ( sName, "offset" ) ) m_iOffset = iValue; + else if ( !strcmp ( sName, "limit" ) ) m_iLimit = iValue; + else if ( !strcmp ( sName, "weights" ) ) m_iWeights = ParseArray<uint32> ( &m_pWeights, sValue ); + else if ( !strcmp ( sName, "minid" ) ) m_iMinID = iValue; + else if ( !strcmp ( sName, "maxid" ) ) m_iMaxID = iValue; + else if ( !strcmp ( sName, "maxmatches" ) ) m_iMaxMatches = iValue; + else if ( !strcmp ( sName, "maxquerytime" ) ) m_iMaxQueryTime = iValue; + else if ( !strcmp ( sName, "groupsort" ) ) m_sGroupSortBy = sValue; + else if ( !strcmp ( sName, "distinct" ) ) m_sGroupDistinct = sValue; + else if ( !strcmp ( sName, "cutoff" ) ) m_iCutoff = iValue; + else if ( !strcmp ( sName, "comment" ) ) m_sComment = sValue; + else if ( !strcmp ( sName, "select" ) ) m_sSelect = sValue; + + else if ( !strcmp ( sName, "mode" ) ) + { + m_eMode = SPH_MATCH_ALL; + if ( !strcmp ( sValue, "any" ) ) m_eMode = SPH_MATCH_ANY; + else if ( !strcmp ( sValue, "phrase" ) ) m_eMode = SPH_MATCH_PHRASE; + else if ( !strcmp ( sValue, "boolean" ) ) m_eMode = SPH_MATCH_BOOLEAN; + else if ( !strcmp ( sValue, "ext" ) ) m_eMode = SPH_MATCH_EXTENDED; + else if ( !strcmp ( sValue, "extended" ) ) m_eMode = SPH_MATCH_EXTENDED; + else if ( !strcmp ( sValue, "ext2" ) ) m_eMode = SPH_MATCH_EXTENDED2; + else if ( !strcmp ( sValue, "extended2" ) ) m_eMode = SPH_MATCH_EXTENDED2; + else if ( !strcmp ( sValue, "all" ) ) m_eMode = SPH_MATCH_ALL; + else if ( !strcmp ( sValue, "fullscan" ) ) m_eMode = SPH_MATCH_FULLSCAN; + else + { + snprintf ( m_sParseError, sizeof(m_sParseError), "unknown matching mode '%s'", sValue ); + SPH_RET(false); + } + } else if ( !strcmp ( sName, "ranker" ) ) + { + m_eRanker = SPH_RANK_PROXIMITY_BM25; + if ( !strcmp ( sValue, "proximity_bm25" ) ) m_eRanker = SPH_RANK_PROXIMITY_BM25; + else if ( !strcmp ( sValue, "bm25" ) ) m_eRanker = SPH_RANK_BM25; + else if ( !strcmp ( sValue, "none" ) ) m_eRanker = SPH_RANK_NONE; + else if ( !strcmp ( sValue, "wordcount" ) ) m_eRanker = SPH_RANK_WORDCOUNT; + else if ( !strcmp ( sValue, "proximity" ) ) m_eRanker = SPH_RANK_PROXIMITY; + else if ( !strcmp ( sValue, "matchany" ) ) m_eRanker = SPH_RANK_MATCHANY; + else if ( !strcmp ( sValue, "fieldmask" ) ) m_eRanker = SPH_RANK_FIELDMASK; + else if ( !strcmp ( sValue, "sph04" ) ) m_eRanker = SPH_RANK_SPH04; + else if ( !strncmp ( sValue, "expr:", 5 ) ) + { + m_eRanker = SPH_RANK_EXPR; + m_sRankExpr = sValue+5; + } else + { + snprintf ( m_sParseError, sizeof(m_sParseError), "unknown ranking mode '%s'", sValue ); + SPH_RET(false); + } + } else if ( !strcmp ( sName, "sort" ) ) + { + static const struct + { + const char * m_sName; + ESphSortOrder m_eSort; + } dSortModes[] = + { + { "relevance", SPH_SORT_RELEVANCE }, + { "attr_desc:", SPH_SORT_ATTR_DESC }, + { "attr_asc:", SPH_SORT_ATTR_ASC }, + { "time_segments:", SPH_SORT_TIME_SEGMENTS }, + { "extended:", SPH_SORT_EXTENDED }, + { "expr:", SPH_SORT_EXPR } + }; + + int i; + const int nModes = sizeof(dSortModes)/sizeof(dSortModes[0]); + for ( i=0; i<nModes; i++ ) + if ( !strncmp ( sValue, dSortModes[i].m_sName, strlen ( dSortModes[i].m_sName ) ) ) + { + m_eSort = dSortModes[i].m_eSort; + m_sSortBy = sValue + strlen ( dSortModes[i].m_sName ); + break; + } + if ( i==nModes ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "unknown sorting mode '%s'", sValue ); + SPH_RET(false); + } + + } else if ( !strcmp ( sName, "groupby" ) ) + { + static const struct + { + const char * m_sName; + ESphGroupBy m_eFunc; + } dGroupModes[] = + { + { "day:", SPH_GROUPBY_DAY }, + { "week:", SPH_GROUPBY_WEEK }, + { "month:", SPH_GROUPBY_MONTH }, + { "year:", SPH_GROUPBY_YEAR }, + { "attr:", SPH_GROUPBY_ATTR }, + { "multi:", SPH_GROUPBY_MULTIPLE } + }; + + int i; + const int nModes = sizeof(dGroupModes)/sizeof(dGroupModes[0]); + for ( i=0; i<nModes; i++ ) + if ( !strncmp ( sValue, dGroupModes[i].m_sName, strlen ( dGroupModes[i].m_sName ) ) ) + { + m_eGroupFunc = dGroupModes[i].m_eFunc; + m_sGroupBy = sValue + strlen ( dGroupModes[i].m_sName ); + break; + } + if ( i==nModes ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "unknown groupby mode '%s'", sValue ); + SPH_RET(false); + } + + } else if ( m_iFilters<SPHINXSE_MAX_FILTERS && + ( !strcmp ( sName, "range" ) || !strcmp ( sName, "!range" ) || !strcmp ( sName, "floatrange" ) || !strcmp ( sName, "!floatrange" ) ) ) + { + for ( ;; ) + { + char * p = sName; + CSphSEFilter & tFilter = m_dFilters [ m_iFilters ]; + tFilter.m_bExclude = ( *p=='!' ); if ( tFilter.m_bExclude ) p++; + tFilter.m_eType = ( *p=='f' ) ? SPH_FILTER_FLOATRANGE : SPH_FILTER_RANGE; + + if (!( p = strchr ( sValue, ',' ) )) + break; + *p++ = '\0'; + + tFilter.m_sAttrName = chop ( sValue ); + sValue = p; + + if (!( p = strchr ( sValue, ',' ) )) + break; + *p++ = '\0'; + + if ( tFilter.m_eType==SPH_FILTER_RANGE ) + { + tFilter.m_uMinValue = strtoll ( sValue, NULL, 10 ); + tFilter.m_uMaxValue = strtoll ( p, NULL, 10 ); + } else + { + tFilter.m_fMinValue = (float)atof(sValue); + tFilter.m_fMaxValue = (float)atof(p); + } + + // all ok + m_iFilters++; + break; + } + + } else if ( m_iFilters<SPHINXSE_MAX_FILTERS && + ( !strcmp ( sName, "filter" ) || !strcmp ( sName, "!filter" ) ) ) + { + for ( ;; ) + { + CSphSEFilter & tFilter = m_dFilters [ m_iFilters ]; + tFilter.m_eType = SPH_FILTER_VALUES; + tFilter.m_bExclude = ( strcmp ( sName, "!filter" )==0 ); + + // get the attr name + while ( (*sValue) && !( myisattr(*sValue) || myismagic(*sValue) ) ) + sValue++; + if ( !*sValue ) + break; + + tFilter.m_sAttrName = sValue; + while ( (*sValue) && ( myisattr(*sValue) || myismagic(*sValue) || myisjson(*sValue) ) ) + sValue++; + if ( !*sValue ) + break; + *sValue++ = '\0'; + + // get the values + tFilter.m_iValues = ParseArray<longlong> ( &tFilter.m_pValues, sValue ); + if ( !tFilter.m_iValues ) + { + assert ( !tFilter.m_pValues ); + break; + } + + // all ok + m_iFilters++; + break; + } + + } else if ( !strcmp ( sName, "indexweights" ) || !strcmp ( sName, "fieldweights" ) ) + { + bool bIndex = !strcmp ( sName, "indexweights" ); + int * pCount = bIndex ? &m_iIndexWeights : &m_iFieldWeights; + char ** pNames = bIndex ? &m_sIndexWeight[0] : &m_sFieldWeight[0]; + int * pWeights = bIndex ? &m_iIndexWeight[0] : &m_iFieldWeight[0]; + + *pCount = 0; + + char * p = sValue; + while ( *p && *pCount<SPHINXSE_MAX_FILTERS ) + { + // extract attr name + if ( !myisattr(*p) ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "%s: index name expected near '%s'", sName, p ); + SPH_RET(false); + } + + pNames[*pCount] = p; + while ( myisattr(*p) ) p++; + + if ( *p!=',' ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "%s: comma expected near '%s'", sName, p ); + SPH_RET(false); + } + *p++ = '\0'; + + // extract attr value + char * sVal = p; + while ( isdigit(*p) ) p++; + if ( p==sVal ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "%s: integer weight expected near '%s'", sName, sVal ); + SPH_RET(false); + } + pWeights[*pCount] = atoi(sVal); + (*pCount)++; + + if ( !*p ) + break; + if ( *p!=',' ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "%s: comma expected near '%s'", sName, p ); + SPH_RET(false); + } + p++; + } + + } else if ( !strcmp ( sName, "geoanchor" ) ) + { + m_bGeoAnchor = false; + for ( ;; ) + { + char * sLat = sValue; + char * p = sValue; + + if (!( p = strchr ( p, ',' ) )) break; + *p++ = '\0'; + char * sLong = p; + + if (!( p = strchr ( p, ',' ) )) break; + *p++ = '\0'; + char * sLatVal = p; + + if (!( p = strchr ( p, ',' ) )) break; + *p++ = '\0'; + char * sLongVal = p; + + m_sGeoLatAttr = chop(sLat); + m_sGeoLongAttr = chop(sLong); + m_fGeoLatitude = (float)atof ( sLatVal ); + m_fGeoLongitude = (float)atof ( sLongVal ); + m_bGeoAnchor = true; + break; + } + if ( !m_bGeoAnchor ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "geoanchor: parse error, not enough comma-separated arguments" ); + SPH_RET(false); + } + } else if ( !strcmp ( sName, "override" ) ) // name,type,id:value,id:value,... + { + sName = NULL; + int iType = 0; + CSphSEQuery::Override_t * pOverride = NULL; + + // get name and type + char * sRest = sValue; + for ( ;; ) + { + sName = sRest; + if ( !*sName ) + break; + if (!( sRest = strchr ( sRest, ',' ) )) + break; + *sRest++ = '\0'; + char * sType = sRest; + if (!( sRest = strchr ( sRest, ',' ) )) + break; + + static const struct + { + const char * m_sName; + int m_iType; + } + dAttrTypes[] = + { + { "int", SPH_ATTR_INTEGER }, + { "timestamp", SPH_ATTR_TIMESTAMP }, + { "bool", SPH_ATTR_BOOL }, + { "float", SPH_ATTR_FLOAT }, + { "bigint", SPH_ATTR_BIGINT } + }; + for ( uint i=0; i<sizeof(dAttrTypes)/sizeof(*dAttrTypes); i++ ) + if ( !strncmp ( sType, dAttrTypes[i].m_sName, sRest - sType ) ) + { + iType = dAttrTypes[i].m_iType; + break; + } + break; + } + + // fail + if ( !sName || !*sName || !iType ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "override: malformed query" ); + SPH_RET(false); + } + + // grab id:value pairs + sRest++; + while ( sRest ) + { + char * sId = sRest; + if (!( sRest = strchr ( sRest, ':' ) )) break; + *sRest++ = '\0'; + if (!( sRest - sId )) break; + + sValue = sRest; + if ( ( sRest = strchr ( sRest, ',' ) )!=NULL ) + *sRest++ = '\0'; + if ( !*sValue ) + break; + + if ( !pOverride ) + { + pOverride = new CSphSEQuery::Override_t; + pOverride->m_sName = chop(sName); + pOverride->m_iType = iType; + m_dOverrides.append ( pOverride ); + } + + ulonglong uId = strtoull ( sId, NULL, 10 ); + CSphSEQuery::Override_t::Value_t tValue; + if ( iType==SPH_ATTR_FLOAT ) + tValue.m_fValue = (float)atof(sValue); + else if ( iType==SPH_ATTR_BIGINT ) + tValue.m_iValue64 = strtoll ( sValue, NULL, 10 ); + else + tValue.m_uValue = (uint32)strtoul ( sValue, NULL, 10 ); + + pOverride->m_dIds.append ( uId ); + pOverride->m_dValues.append ( tValue ); + } + + if ( !pOverride ) + { + snprintf ( m_sParseError, sizeof(m_sParseError), "override: id:value mapping expected" ); + SPH_RET(false); + } + SPH_RET(true); + } else + { + snprintf ( m_sParseError, sizeof(m_sParseError), "unknown parameter '%s'", sName ); + SPH_RET(false); + } + + // !COMMIT handle syntax errors + + SPH_RET(true); +} + + +bool CSphSEQuery::Parse () +{ + SPH_ENTER_METHOD(); + SPH_DEBUG ( "query [[ %s ]]", m_sQueryBuffer ); + + m_bQuery = false; + char * pCur = m_sQueryBuffer; + char * pNext = pCur; + + while ( ( pNext = strchr ( pNext, ';' ) )!=NULL ) + { + // handle escaped semicolons + if ( pNext>m_sQueryBuffer && pNext[-1]=='\\' && pNext[1]!='\0' ) + { + pNext++; + continue; + } + + // handle semicolon-separated clauses + *pNext++ = '\0'; + if ( !ParseField ( pCur ) ) + SPH_RET(false); + pCur = pNext; + } + + SPH_DEBUG ( "q [[ %s ]]", m_sQuery ); + + SPH_RET(true); +} + + +void CSphSEQuery::SendBytes ( const void * pBytes, int iBytes ) +{ + SPH_ENTER_METHOD(); + if ( m_iBufLeft<iBytes ) + { + m_bBufOverrun = true; + SPH_VOID_RET(); + } + + memcpy ( m_pCur, pBytes, iBytes ); + + m_pCur += iBytes; + m_iBufLeft -= iBytes; + SPH_VOID_RET(); +} + + +int CSphSEQuery::BuildRequest ( char ** ppBuffer ) +{ + SPH_ENTER_METHOD(); + + // calc request length + int iReqSize = 128 + 4*m_iWeights + + strlen ( m_sSortBy ) + + strlen ( m_sQuery ) + + strlen ( m_sIndex ) + + strlen ( m_sGroupBy ) + + strlen ( m_sGroupSortBy ) + + strlen ( m_sGroupDistinct ) + + strlen ( m_sComment ) + + strlen ( m_sSelect ); + if ( m_eRanker==SPH_RANK_EXPR ) + iReqSize += 4 + strlen(m_sRankExpr); + for ( int i=0; i<m_iFilters; i++ ) + { + const CSphSEFilter & tFilter = m_dFilters[i]; + iReqSize += 12 + strlen ( tFilter.m_sAttrName ); // string attr-name; int type; int exclude-flag + switch ( tFilter.m_eType ) + { + case SPH_FILTER_VALUES: iReqSize += 4 + 8*tFilter.m_iValues; break; + case SPH_FILTER_RANGE: iReqSize += 16; break; + case SPH_FILTER_FLOATRANGE: iReqSize += 8; break; + } + } + if ( m_bGeoAnchor ) // 1.14+ + iReqSize += 16 + strlen ( m_sGeoLatAttr ) + strlen ( m_sGeoLongAttr ); + for ( int i=0; i<m_iIndexWeights; i++ ) // 1.15+ + iReqSize += 8 + strlen(m_sIndexWeight[i] ); + for ( int i=0; i<m_iFieldWeights; i++ ) // 1.18+ + iReqSize += 8 + strlen(m_sFieldWeight[i] ); + // overrides + iReqSize += 4; + for ( size_t i=0; i<m_dOverrides.elements(); i++ ) + { + CSphSEQuery::Override_t * pOverride = m_dOverrides.at(i); + const uint32 uSize = pOverride->m_iType==SPH_ATTR_BIGINT ? 16 : 12; // id64 + value + iReqSize += strlen ( pOverride->m_sName ) + 12 + uSize*pOverride->m_dIds.elements(); + } + // select + iReqSize += 4; + + m_iBufLeft = 0; + SafeDeleteArray ( m_pBuf ); + + m_pBuf = new char [ iReqSize ]; + if ( !m_pBuf ) + SPH_RET(-1); + + m_pCur = m_pBuf; + m_iBufLeft = iReqSize; + m_bBufOverrun = false; + (*ppBuffer) = m_pBuf; + + // build request + SendWord ( SEARCHD_COMMAND_SEARCH ); // command id + SendWord ( VER_COMMAND_SEARCH ); // command version + SendInt ( iReqSize-8 ); // packet body length + SendInt ( 0 ); // its a client + + SendInt ( 1 ); // number of queries + SendInt ( m_iOffset ); + SendInt ( m_iLimit ); + SendInt ( m_eMode ); + SendInt ( m_eRanker ); // 1.16+ + if ( m_eRanker==SPH_RANK_EXPR ) + SendString ( m_sRankExpr ); + SendInt ( m_eSort ); + SendString ( m_sSortBy ); // sort attr + SendString ( m_sQuery ); // query + SendInt ( m_iWeights ); + for ( int j=0; j<m_iWeights; j++ ) + SendInt ( m_pWeights[j] ); // weights + SendString ( m_sIndex ); // indexes + SendInt ( 1 ); // id64 range follows + SendUint64 ( m_iMinID ); // id/ts ranges + SendUint64 ( m_iMaxID ); + + SendInt ( m_iFilters ); + for ( int j=0; j<m_iFilters; j++ ) + { + const CSphSEFilter & tFilter = m_dFilters[j]; + SendString ( tFilter.m_sAttrName ); + SendInt ( tFilter.m_eType ); + + switch ( tFilter.m_eType ) + { + case SPH_FILTER_VALUES: + SendInt ( tFilter.m_iValues ); + for ( int k=0; k<tFilter.m_iValues; k++ ) + SendUint64 ( tFilter.m_pValues[k] ); + break; + + case SPH_FILTER_RANGE: + SendUint64 ( tFilter.m_uMinValue ); + SendUint64 ( tFilter.m_uMaxValue ); + break; + + case SPH_FILTER_FLOATRANGE: + SendFloat ( tFilter.m_fMinValue ); + SendFloat ( tFilter.m_fMaxValue ); + break; + } + + SendInt ( tFilter.m_bExclude ); + } + + SendInt ( m_eGroupFunc ); + SendString ( m_sGroupBy ); + SendInt ( m_iMaxMatches ); + SendString ( m_sGroupSortBy ); + SendInt ( m_iCutoff ); // 1.9+ + SendInt ( m_iRetryCount ); // 1.10+ + SendInt ( m_iRetryDelay ); + SendString ( m_sGroupDistinct ); // 1.11+ + SendInt ( m_bGeoAnchor ); // 1.14+ + if ( m_bGeoAnchor ) + { + SendString ( m_sGeoLatAttr ); + SendString ( m_sGeoLongAttr ); + SendFloat ( m_fGeoLatitude ); + SendFloat ( m_fGeoLongitude ); + } + SendInt ( m_iIndexWeights ); // 1.15+ + for ( int i=0; i<m_iIndexWeights; i++ ) + { + SendString ( m_sIndexWeight[i] ); + SendInt ( m_iIndexWeight[i] ); + } + SendInt ( m_iMaxQueryTime ); // 1.17+ + SendInt ( m_iFieldWeights ); // 1.18+ + for ( int i=0; i<m_iFieldWeights; i++ ) + { + SendString ( m_sFieldWeight[i] ); + SendInt ( m_iFieldWeight[i] ); + } + SendString ( m_sComment ); + + // overrides + SendInt ( m_dOverrides.elements() ); + for ( size_t i=0; i<m_dOverrides.elements(); i++ ) + { + CSphSEQuery::Override_t * pOverride = m_dOverrides.at(i); + SendString ( pOverride->m_sName ); + SendDword ( pOverride->m_iType ); + SendInt ( pOverride->m_dIds.elements() ); + for ( size_t j=0; j<pOverride->m_dIds.elements(); j++ ) + { + SendUint64 ( pOverride->m_dIds.at(j) ); + if ( pOverride->m_iType==SPH_ATTR_FLOAT ) + SendFloat ( pOverride->m_dValues.at(j).m_fValue ); + else if ( pOverride->m_iType==SPH_ATTR_BIGINT ) + SendUint64 ( pOverride->m_dValues.at(j).m_iValue64 ); + else + SendDword ( pOverride->m_dValues.at(j).m_uValue ); + } + } + + // select + SendString ( m_sSelect ); + + // detect buffer overruns and underruns, and report internal error + if ( m_bBufOverrun || m_iBufLeft!=0 || m_pCur-m_pBuf!=iReqSize ) + SPH_RET(-1); + + // all fine + SPH_RET ( iReqSize ); +} + +////////////////////////////////////////////////////////////////////////////// +// SPHINX HANDLER +////////////////////////////////////////////////////////////////////////////// + +#if MYSQL_VERSION_ID<50100 +ha_sphinx::ha_sphinx ( TABLE_ARG * table ) + : handler ( &sphinx_hton, table ) +#else +ha_sphinx::ha_sphinx ( handlerton * hton, TABLE_ARG * table ) + : handler ( hton, table ) +#endif + , m_pShare ( NULL ) + , m_iMatchesTotal ( 0 ) + , m_iCurrentPos ( 0 ) + , m_pCurrentKey ( NULL ) + , m_iCurrentKeyLen ( 0 ) + , m_pResponse ( NULL ) + , m_pResponseEnd ( NULL ) + , m_pCur ( NULL ) + , m_bUnpackError ( false ) + , m_iFields ( 0 ) + , m_dFields ( NULL ) + , m_iAttrs ( 0 ) + , m_dAttrs ( NULL ) + , m_bId64 ( 0 ) + , m_dUnboundFields ( NULL ) +{ + SPH_ENTER_METHOD(); + SPH_VOID_RET(); +} + +ha_sphinx::~ha_sphinx() +{ + SafeDeleteArray ( m_dAttrs ); + SafeDeleteArray ( m_dUnboundFields ); + if ( m_dFields ) + { + for (uint32 i=0; i< m_iFields; i++ ) + SafeDeleteArray ( m_dFields[i] ); + delete [] m_dFields; + } +} + +// Used for opening tables. The name will be the name of the file. +// A table is opened when it needs to be opened. For instance +// when a request comes in for a select on the table (tables are not +// open and closed for each request, they are cached). +// +// Called from handler.cc by handler::ha_open(). The server opens all tables by +// calling ha_open() which then calls the handler specific open(). +int ha_sphinx::open ( const char * name, int, uint ) +{ + SPH_ENTER_METHOD(); + m_pShare = get_share ( name, table ); + if ( !m_pShare ) + SPH_RET(1); + + thr_lock_data_init ( &m_pShare->m_tLock, &m_tLock, NULL ); + + thd_set_ha_data ( table->in_use, ht, 0 ); + + SPH_RET(0); +} + + +int ha_sphinx::Connect ( const char * sHost, ushort uPort ) +{ + struct sockaddr_in sin; +#ifndef __WIN__ + struct sockaddr_un saun; +#endif + + int iDomain = 0; + int iSockaddrSize = 0; + struct sockaddr * pSockaddr = NULL; + + in_addr_t ip_addr; + + if ( uPort ) + { + iDomain = AF_INET; + iSockaddrSize = sizeof(sin); + pSockaddr = (struct sockaddr *) &sin; + + memset ( &sin, 0, sizeof(sin) ); + sin.sin_family = AF_INET; + sin.sin_port = htons(uPort); + + // prepare host address + if ( (int)( ip_addr = inet_addr(sHost) )!=(int)INADDR_NONE ) + { + memcpy ( &sin.sin_addr, &ip_addr, sizeof(ip_addr) ); + } else + { + int tmp_errno; + bool bError = false; + +#if MYSQL_VERSION_ID>=50515 + struct addrinfo *hp = NULL; + tmp_errno = getaddrinfo ( sHost, NULL, NULL, &hp ); + if ( tmp_errno || !hp || !hp->ai_addr ) + { + bError = true; + if ( hp ) + freeaddrinfo ( hp ); + } +#else + struct hostent tmp_hostent, *hp; + char buff2 [ GETHOSTBYNAME_BUFF_SIZE ]; + hp = my_gethostbyname_r ( sHost, &tmp_hostent, buff2, sizeof(buff2), &tmp_errno ); + if ( !hp ) + { + my_gethostbyname_r_free(); + bError = true; + } +#endif + + if ( bError ) + { + char sError[256]; + my_snprintf ( sError, sizeof(sError), "failed to resolve searchd host (name=%s)", sHost ); + + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET(-1); + } + +#if MYSQL_VERSION_ID>=50515 + struct sockaddr_in *in = (sockaddr_in *)hp->ai_addr; + memcpy ( &sin.sin_addr, &in->sin_addr, Min ( sizeof(sin.sin_addr), sizeof(in->sin_addr) ) ); + freeaddrinfo ( hp ); +#else + memcpy ( &sin.sin_addr, hp->h_addr, Min ( sizeof(sin.sin_addr), (size_t)hp->h_length ) ); + my_gethostbyname_r_free(); +#endif + } + } else + { +#ifndef __WIN__ + iDomain = AF_UNIX; + iSockaddrSize = sizeof(saun); + pSockaddr = (struct sockaddr *) &saun; + + memset ( &saun, 0, sizeof(saun) ); + saun.sun_family = AF_UNIX; + strncpy ( saun.sun_path, sHost, sizeof(saun.sun_path)-1 ); +#else + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), "UNIX sockets are not supported on Windows" ); + SPH_RET(-1); +#endif + } + + char sError[512]; + int iSocket = (int) socket ( iDomain, SOCK_STREAM, 0 ); + + if ( iSocket<0 ) + { + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), "failed to create client socket" ); + SPH_RET(-1); + } + + if ( connect ( iSocket, pSockaddr, iSockaddrSize )<0 ) + { + sphSockClose ( iSocket ); + my_snprintf ( sError, sizeof(sError), "failed to connect to searchd (host=%s, errno=%d, port=%d)", + sHost, errno, (int)uPort ); + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET(-1); + } + + return iSocket; +} + + +int ha_sphinx::ConnectAPI ( const char * sQueryHost, int iQueryPort ) +{ + SPH_ENTER_METHOD(); + + const char * sHost = ( sQueryHost && *sQueryHost ) ? sQueryHost : m_pShare->m_sHost; + ushort uPort = iQueryPort ? (ushort)iQueryPort : m_pShare->m_iPort; + + int iSocket = Connect ( sHost, uPort ); + if ( iSocket<0 ) + SPH_RET ( iSocket ); + + char sError[512]; + + int version; + if ( ::recv ( iSocket, (char *)&version, sizeof(version), 0 )!=sizeof(version) ) + { + sphSockClose ( iSocket ); + my_snprintf ( sError, sizeof(sError), "failed to receive searchd version (host=%s, port=%d)", + sHost, (int)uPort ); + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET(-1); + } + + uint uClientVersion = htonl ( SPHINX_SEARCHD_PROTO ); + if ( ::send ( iSocket, (char*)&uClientVersion, sizeof(uClientVersion), 0 )!=sizeof(uClientVersion) ) + { + sphSockClose ( iSocket ); + my_snprintf ( sError, sizeof(sError), "failed to send client version (host=%s, port=%d)", + sHost, (int)uPort ); + my_error ( ER_CONNECT_TO_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET(-1); + } + + SPH_RET ( iSocket ); +} + + +// Closes a table. We call the free_share() function to free any resources +// that we have allocated in the "shared" structure. +// +// Called from sql_base.cc, sql_select.cc, and table.cc. +// In sql_select.cc it is only used to close up temporary tables or during +// the process where a temporary table is converted over to being a +// myisam table. +// For sql_base.cc look at close_data_tables(). +int ha_sphinx::close() +{ + SPH_ENTER_METHOD(); + SPH_RET ( free_share ( m_pShare ) ); +} + + +int ha_sphinx::HandleMysqlError ( MYSQL * pConn, int iErrCode ) +{ + CSphSEThreadTable * pTable = GetTls (); + if ( pTable ) + { + strncpy ( pTable->m_tStats.m_sLastMessage, mysql_error ( pConn ), sizeof pTable->m_tStats.m_sLastMessage - 1 ); + pTable->m_tStats.m_sLastMessage[sizeof pTable->m_tStats.m_sLastMessage - 1] = '\0'; + pTable->m_tStats.m_bLastError = true; + } + + mysql_close ( pConn ); + + my_error ( iErrCode, MYF(0), pTable->m_tStats.m_sLastMessage ); + return -1; +} + + +int ha_sphinx::extra ( enum ha_extra_function op ) +{ + CSphSEThreadTable * pTable = GetTls(); + if ( pTable ) + { + if ( op==HA_EXTRA_WRITE_CAN_REPLACE ) + pTable->m_bReplace = true; + else if ( op==HA_EXTRA_WRITE_CANNOT_REPLACE ) + pTable->m_bReplace = false; + } + return 0; +} + + +int ha_sphinx::write_row ( const byte * ) +{ + SPH_ENTER_METHOD(); + if ( !m_pShare || !m_pShare->m_bSphinxQL ) + SPH_RET ( HA_ERR_WRONG_COMMAND ); + + // SphinxQL inserts only, pretty much similar to abandoned federated + char sQueryBuf[1024]; + char sValueBuf[1024]; + + String sQuery ( sQueryBuf, sizeof(sQueryBuf), &my_charset_bin ); + String sValue ( sValueBuf, sizeof(sQueryBuf), &my_charset_bin ); + sQuery.length ( 0 ); + sValue.length ( 0 ); + + CSphSEThreadTable * pTable = GetTls (); + sQuery.append ( pTable && pTable->m_bReplace ? "REPLACE INTO " : "INSERT INTO " ); + sQuery.append ( m_pShare->m_sIndex ); + sQuery.append ( " (" ); + + for ( Field ** ppField = table->field; *ppField; ppField++ ) + { + sQuery.append ( (*ppField)->field_name.str ); + if ( ppField[1] ) + sQuery.append ( ", " ); + } + sQuery.append ( ") VALUES (" ); + + for ( Field ** ppField = table->field; *ppField; ppField++ ) + { + if ( (*ppField)->is_null() ) + { + sQuery.append ( "''" ); + + } else + { + THD *thd= ha_thd(); + if ( (*ppField)->type()==MYSQL_TYPE_TIMESTAMP ) + { + Item_field * pWrap = new (thd->mem_root) Item_field(thd, *ppField); // autofreed by query arena, I assume + Item_func_unix_timestamp * pConv = new (thd->mem_root) Item_func_unix_timestamp(thd, pWrap); + pConv->quick_fix_field(); + unsigned int uTs = (unsigned int) pConv->val_int(); + + snprintf ( sValueBuf, sizeof(sValueBuf), "'%u'", uTs ); + sQuery.append ( sValueBuf ); + + } else + { + (*ppField)->val_str ( &sValue ); + sQuery.append ( "'" ); + sValue.print ( &sQuery ); + sQuery.append ( "'" ); + sValue.length(0); + } + } + + if ( ppField[1] ) + sQuery.append ( ", " ); + } + sQuery.append ( ")" ); + + // FIXME? pretty inefficient to reconnect every time under high load, + // but this was intentionally written for a low load scenario.. + MYSQL * pConn = mysql_init ( NULL ); + if ( !pConn ) + SPH_RET ( ER_OUT_OF_RESOURCES ); + + unsigned int uTimeout = 1; + mysql_options ( pConn, MYSQL_OPT_CONNECT_TIMEOUT, (const char*)&uTimeout ); + + my_bool my_true= 1; + mysql_options(pConn, MYSQL_OPT_USE_THREAD_SPECIFIC_MEMORY, (char*) &my_true); + + if ( !mysql_real_connect ( pConn, m_pShare->m_sHost, "root", "", "", m_pShare->m_iPort, m_pShare->m_sSocket, 0 ) ) + SPH_RET ( HandleMysqlError ( pConn, ER_CONNECT_TO_FOREIGN_DATA_SOURCE ) ); + + if ( mysql_real_query ( pConn, sQuery.ptr(), sQuery.length() ) ) + SPH_RET ( HandleMysqlError ( pConn, ER_QUERY_ON_FOREIGN_DATA_SOURCE ) ); + + // all ok! + mysql_close ( pConn ); + SPH_RET(0); +} + + +static inline bool IsIntegerFieldType ( enum_field_types eType ) +{ + return eType==MYSQL_TYPE_LONG || eType==MYSQL_TYPE_LONGLONG; +} + + +static inline bool IsIDField ( Field * pField ) +{ + enum_field_types eType = pField->type(); + + if ( eType==MYSQL_TYPE_LONGLONG ) + return true; + + if ( eType==MYSQL_TYPE_LONG && ((Field_num*)pField)->unsigned_flag ) + return true; + + return false; +} + + +int ha_sphinx::delete_row ( const byte * ) +{ + SPH_ENTER_METHOD(); + if ( !m_pShare || !m_pShare->m_bSphinxQL ) + SPH_RET ( HA_ERR_WRONG_COMMAND ); + + char sQueryBuf[1024]; + String sQuery ( sQueryBuf, sizeof(sQueryBuf), &my_charset_bin ); + sQuery.length ( 0 ); + + sQuery.append ( "DELETE FROM " ); + sQuery.append ( m_pShare->m_sIndex ); + sQuery.append ( " WHERE id=" ); + + char sValue[32]; + snprintf ( sValue, sizeof(sValue), "%lld", table->field[0]->val_int() ); + sQuery.append ( sValue ); + + // FIXME? pretty inefficient to reconnect every time under high load, + // but this was intentionally written for a low load scenario.. + MYSQL * pConn = mysql_init ( NULL ); + if ( !pConn ) + SPH_RET ( ER_OUT_OF_RESOURCES ); + + unsigned int uTimeout = 1; + mysql_options ( pConn, MYSQL_OPT_CONNECT_TIMEOUT, (const char*)&uTimeout ); + + my_bool my_true= 1; + mysql_options(pConn, MYSQL_OPT_USE_THREAD_SPECIFIC_MEMORY, (char*) &my_true); + + if ( !mysql_real_connect ( pConn, m_pShare->m_sHost, "root", "", "", m_pShare->m_iPort, m_pShare->m_sSocket, 0 ) ) + SPH_RET ( HandleMysqlError ( pConn, ER_CONNECT_TO_FOREIGN_DATA_SOURCE ) ); + + if ( mysql_real_query ( pConn, sQuery.ptr(), sQuery.length() ) ) + SPH_RET ( HandleMysqlError ( pConn, ER_QUERY_ON_FOREIGN_DATA_SOURCE ) ); + + // all ok! + mysql_close ( pConn ); + SPH_RET(0); +} + + +int ha_sphinx::update_row ( const byte *, const byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +// keynr is key (index) number +// sorted is 1 if result MUST be sorted according to index +int ha_sphinx::index_init ( uint keynr, bool ) +{ + SPH_ENTER_METHOD(); + active_index = keynr; + + CSphSEThreadTable * pTable = GetTls(); + if ( pTable ) + pTable->m_bCondDone = false; + + SPH_RET(0); +} + + +int ha_sphinx::index_end() +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +bool ha_sphinx::CheckResponcePtr ( int iLen ) +{ + if ( m_pCur+iLen>m_pResponseEnd ) + { + m_pCur = m_pResponseEnd; + m_bUnpackError = true; + return false; + } + + return true; +} + + +uint32 ha_sphinx::UnpackDword () +{ + if ( !CheckResponcePtr ( sizeof(uint32) ) ) // NOLINT + { + return 0; + } + + uint32 uRes = ntohl ( sphUnalignedRead ( *(uint32*)m_pCur ) ); + m_pCur += sizeof(uint32); // NOLINT + return uRes; +} + + +char * ha_sphinx::UnpackString () +{ + uint32 iLen = UnpackDword (); + if ( !iLen ) + return NULL; + + if ( !CheckResponcePtr ( iLen ) ) + { + return NULL; + } + + char * sRes = new char [ 1+iLen ]; + memcpy ( sRes, m_pCur, iLen ); + sRes[iLen] = '\0'; + m_pCur += iLen; + return sRes; +} + + +bool ha_sphinx::UnpackSchema () +{ + SPH_ENTER_METHOD(); + + // cleanup + if ( m_dFields ) + for ( int i=0; i<(int)m_iFields; i++ ) + SafeDeleteArray ( m_dFields[i] ); + SafeDeleteArray ( m_dFields ); + + // unpack network packet + uint32 uStatus = UnpackDword (); + char * sMessage = NULL; + + if ( uStatus!=SEARCHD_OK ) + { + sMessage = UnpackString (); + CSphSEThreadTable * pTable = GetTls (); + if ( pTable ) + { + strncpy ( pTable->m_tStats.m_sLastMessage, sMessage, sizeof pTable->m_tStats.m_sLastMessage - 1 ); + pTable->m_tStats.m_sLastMessage[sizeof pTable->m_tStats.m_sLastMessage - 1] = '\0'; + pTable->m_tStats.m_bLastError = ( uStatus==SEARCHD_ERROR ); + } + + if ( uStatus==SEARCHD_ERROR ) + { + char sError[1024]; + my_snprintf ( sError, sizeof(sError), "searchd error: %s", sMessage ); + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SafeDeleteArray ( sMessage ); + SPH_RET ( false ); + } + } + + m_iFields = UnpackDword (); + m_dFields = new char * [ m_iFields ]; + if ( !m_dFields ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: UnpackSchema() failed (fields alloc error)" ); + SPH_RET(false); + } + + for ( uint32 i=0; i<m_iFields; i++ ) + m_dFields[i] = UnpackString (); + + SafeDeleteArray ( m_dAttrs ); + m_iAttrs = UnpackDword (); + m_dAttrs = new CSphSEAttr [ m_iAttrs ]; + if ( !m_dAttrs ) + { + for ( int i=0; i<(int)m_iFields; i++ ) + SafeDeleteArray ( m_dFields[i] ); + SafeDeleteArray ( m_dFields ); + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: UnpackSchema() failed (attrs alloc error)" ); + SPH_RET(false); + } + + for ( uint32 i=0; i<m_iAttrs; i++ ) + { + m_dAttrs[i].m_sName = UnpackString (); + m_dAttrs[i].m_uType = UnpackDword (); + if ( m_bUnpackError ) // m_sName may be null + break; + + m_dAttrs[i].m_iField = -1; + for ( int j=SPHINXSE_SYSTEM_COLUMNS; j<m_pShare->m_iTableFields; j++ ) + { + const char * sTableField = m_pShare->m_sTableField[j]; + const char * sAttrField = m_dAttrs[i].m_sName; + if ( m_dAttrs[i].m_sName[0]=='@' ) + { + const char * sAtPrefix = "_sph_"; + if ( strncmp ( sTableField, sAtPrefix, strlen(sAtPrefix) ) ) + continue; + sTableField += strlen(sAtPrefix); + sAttrField++; + } + + if ( !strcasecmp ( sAttrField, sTableField ) ) + { + // we're almost good, but + // let's enforce that timestamp columns can only receive timestamp attributes + if ( m_pShare->m_eTableFieldType[j]!=MYSQL_TYPE_TIMESTAMP || m_dAttrs[i].m_uType==SPH_ATTR_TIMESTAMP ) + m_dAttrs[i].m_iField = j; + break; + } + } + } + + m_iMatchesTotal = UnpackDword (); + + m_bId64 = UnpackDword (); + if ( m_bId64 && m_pShare->m_eTableFieldType[0]!=MYSQL_TYPE_LONGLONG ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: 1st column must be bigint to accept 64-bit DOCIDs" ); + SPH_RET(false); + } + + // network packet unpacked; build unbound fields map + SafeDeleteArray ( m_dUnboundFields ); + m_dUnboundFields = new int [ m_pShare->m_iTableFields ]; + + for ( int i=0; i<m_pShare->m_iTableFields; i++ ) + { + if ( i<SPHINXSE_SYSTEM_COLUMNS ) + m_dUnboundFields[i] = SPH_ATTR_NONE; + + else if ( m_pShare->m_eTableFieldType[i]==MYSQL_TYPE_TIMESTAMP ) + m_dUnboundFields[i] = SPH_ATTR_TIMESTAMP; + + else + m_dUnboundFields[i] = SPH_ATTR_INTEGER; + } + + for ( uint32 i=0; i<m_iAttrs; i++ ) + if ( m_dAttrs[i].m_iField>=0 ) + m_dUnboundFields [ m_dAttrs[i].m_iField ] = SPH_ATTR_NONE; + + if ( m_bUnpackError ) + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: UnpackSchema() failed (unpack error)" ); + + SPH_RET ( !m_bUnpackError ); +} + + +bool ha_sphinx::UnpackStats ( CSphSEStats * pStats ) +{ + assert ( pStats ); + + char * pCurSave = m_pCur; + for ( uint m=0; m<m_iMatchesTotal && m_pCur<m_pResponseEnd-sizeof(uint32); m++ ) // NOLINT + { + m_pCur += m_bId64 ? 12 : 8; // skip id+weight + for ( uint32 i=0; i<m_iAttrs && m_pCur<m_pResponseEnd-sizeof(uint32); i++ ) // NOLINT + { + if ( m_dAttrs[i].m_uType==SPH_ATTR_UINT32SET || m_dAttrs[i].m_uType==SPH_ATTR_UINT64SET ) + { + // skip MVA list + uint32 uCount = UnpackDword (); + m_pCur += uCount*4; + } else if ( m_dAttrs[i].m_uType==SPH_ATTR_STRING ) + { + uint32 iLen = UnpackDword(); + m_pCur += iLen; + } else // skip normal value + m_pCur += m_dAttrs[i].m_uType==SPH_ATTR_BIGINT ? 8 : 4; + } + } + + pStats->m_iMatchesTotal = UnpackDword (); + pStats->m_iMatchesFound = UnpackDword (); + pStats->m_iQueryMsec = UnpackDword (); + pStats->m_iWords = UnpackDword (); + + if ( m_bUnpackError ) + return false; + + if ( pStats->m_iWords<0 || pStats->m_iWords>=SPHINXSE_MAX_KEYWORDSTATS ) + return false; + + SafeDeleteArray ( pStats->m_dWords ); + pStats->m_dWords = new CSphSEWordStats [ pStats->m_iWords ]; + if ( !pStats->m_dWords ) + return false; + + for ( int i=0; i<pStats->m_iWords; i++ ) + { + CSphSEWordStats & tWord = pStats->m_dWords[i]; + tWord.m_sWord = UnpackString (); + tWord.m_iDocs = UnpackDword (); + tWord.m_iHits = UnpackDword (); + } + + if ( m_bUnpackError ) + return false; + + m_pCur = pCurSave; + return true; +} + + +/// condition pushdown implementation, to properly intercept WHERE clauses on my columns +#if MYSQL_VERSION_ID<50610 +const COND * ha_sphinx::cond_push ( const COND * cond ) +#else +const Item * ha_sphinx::cond_push ( const Item *cond ) +#endif +{ + // catch the simplest case: query_column="some text" + for ( ;; ) + { + if ( cond->type()!=Item::FUNC_ITEM ) + break; + + Item_func * condf = (Item_func *)cond; + if ( condf->functype()!=Item_func::EQ_FUNC || condf->argument_count()!=2 ) + break; + + // get my tls + CSphSEThreadTable * pTable = GetTls (); + if ( !pTable ) + break; + + Item ** args = condf->arguments(); + if ( !m_pShare->m_bSphinxQL ) + { + // on non-QL tables, intercept query=value condition for SELECT + if (!( args[0]->type()==Item::FIELD_ITEM && + args[1]->is_of_type(Item::CONST_ITEM, + STRING_RESULT))) + break; + + Item_field * pField = (Item_field *) args[0]; + if ( pField->field->field_index!=2 ) // FIXME! magic key index + break; + + // copy the query, and let know that we intercepted this condition + String *pString= args[1]->val_str(NULL); + pTable->m_bQuery = true; + strncpy ( pTable->m_sQuery, pString->c_ptr(), sizeof(pTable->m_sQuery) ); + pTable->m_sQuery[sizeof(pTable->m_sQuery)-1] = '\0'; + pTable->m_pQueryCharset = pString->charset(); + + } else + { + if (!( args[0]->type()==Item::FIELD_ITEM && + args[1]->is_of_type(Item::CONST_ITEM, + INT_RESULT))) + break; + + // on QL tables, intercept id=value condition for DELETE + Item_field * pField = (Item_field *) args[0]; + if ( pField->field->field_index!=0 ) // FIXME! magic key index + break; + + Item_int * pVal = (Item_int *) args[1]; + pTable->m_iCondId = pVal->val_int(); + pTable->m_bCondId = true; + } + + // we intercepted this condition + return NULL; + } + + // don't change anything + return cond; +} + + +/// condition popup +void ha_sphinx::cond_pop () +{ + CSphSEThreadTable * pTable = GetTls (); + if ( pTable ) + pTable->m_bQuery = false; +} + + +/// get TLS (maybe allocate it, too) +CSphSEThreadTable * ha_sphinx::GetTls() +{ + SPH_ENTER_METHOD() + // where do we store that pointer in today's version? + CSphTLS * pTls = (CSphTLS*) thd_get_ha_data ( table->in_use, ht ); + + CSphSEThreadTable * pTable = NULL; + // allocate if needed + if ( !pTls ) + { + pTls = new CSphTLS ( this ); + thd_set_ha_data(table->in_use, ht, pTls); + } + pTable = pTls->m_pHeadTable; + + while ( pTable && pTable->m_pHandler!=this ) + pTable = pTable->m_pTableNext; + + if ( !pTable ) + { + pTable = new CSphSEThreadTable ( this ); + pTable->m_pTableNext = pTls->m_pHeadTable; + pTls->m_pHeadTable = pTable; + } + + // errors will be handled by caller + return pTable; +} + + +// Positions an index cursor to the index specified in the handle. Fetches the +// row if available. If the key value is null, begin at the first key of the +// index. +int ha_sphinx::index_read ( byte * buf, const byte * key, uint key_len, enum ha_rkey_function ) +{ + SPH_ENTER_METHOD(); + char sError[256]; + + // set new data for thd->ha_data, it is used in show_status + CSphSEThreadTable * pTable = GetTls(); + if ( !pTable ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: TLS malloc() failed" ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + pTable->m_tStats.Reset (); + + // sphinxql table, just return the key once + if ( m_pShare->m_bSphinxQL ) + { + // over and out + if ( pTable->m_bCondDone ) + SPH_RET ( HA_ERR_END_OF_FILE ); + + // return a value from pushdown, if any + if ( pTable->m_bCondId ) + { + table->field[0]->store ( pTable->m_iCondId, 1 ); + pTable->m_bCondDone = true; + SPH_RET(0); + } + + // return a value from key + longlong iRef = 0; + if ( key_len==4 ) + iRef = uint4korr ( key ); + else if ( key_len==8 ) + iRef = uint8korr ( key ); + else + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: unexpected key length" ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + table->field[0]->store ( iRef, 1 ); + pTable->m_bCondDone = true; + SPH_RET(0); + } + + // parse query + if ( pTable->m_bQuery ) + { + // we have a query from condition pushdown + m_pCurrentKey = (const byte *) pTable->m_sQuery; + m_iCurrentKeyLen = strlen(pTable->m_sQuery); + } else + { + // just use the key (might be truncated) + m_pCurrentKey = key+HA_KEY_BLOB_LENGTH; + m_iCurrentKeyLen = uint2korr(key); // or maybe key_len? + pTable->m_pQueryCharset = m_pShare ? m_pShare->m_pTableQueryCharset : NULL; + } + + CSphSEQuery q ( (const char*)m_pCurrentKey, m_iCurrentKeyLen, m_pShare->m_sIndex ); + if ( !q.Parse () ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), q.m_sParseError ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + // do connect + int iSocket = ConnectAPI ( q.m_sHost, q.m_iPort ); + if ( iSocket<0 ) + SPH_RET ( HA_ERR_END_OF_FILE ); + + // my buffer + char * pBuffer; // will be free by CSphSEQuery dtor; do NOT free manually + int iReqLen = q.BuildRequest ( &pBuffer ); + + if ( iReqLen<=0 ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: q.BuildRequest() failed" ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + // send request + ::send ( iSocket, pBuffer, iReqLen, 0 ); + + // receive reply + char sHeader[8]; + int iGot = ::recv ( iSocket, sHeader, sizeof(sHeader), RECV_FLAGS ); + if ( iGot!=sizeof(sHeader) ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "failed to receive response header (searchd went away?)" ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + short int uRespStatus = ntohs ( sphUnalignedRead ( *(short int*)( &sHeader[0] ) ) ); + short int uRespVersion = ntohs ( sphUnalignedRead ( *(short int*)( &sHeader[2] ) ) ); + uint uRespLength = ntohl ( sphUnalignedRead ( *(uint *)( &sHeader[4] ) ) ); + SPH_DEBUG ( "got response header (status=%d version=%d length=%d)", + uRespStatus, uRespVersion, uRespLength ); + + SafeDeleteArray ( m_pResponse ); + if ( uRespLength<=SPHINXSE_MAX_ALLOC ) + m_pResponse = new char [ uRespLength+1 ]; + + if ( !m_pResponse ) + { + my_snprintf ( sError, sizeof(sError), "bad searchd response length (length=%u)", uRespLength ); + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + int iRecvLength = 0; + while ( iRecvLength<(int)uRespLength ) + { + int iRecv = ::recv ( iSocket, m_pResponse+iRecvLength, uRespLength-iRecvLength, RECV_FLAGS ); + if ( iRecv<0 ) + break; + iRecvLength += iRecv; + } + + ::closesocket ( iSocket ); + iSocket = -1; + + if ( iRecvLength!=(int)uRespLength ) + { + my_snprintf ( sError, sizeof(sError), "net read error (expected=%d, got=%d)", uRespLength, iRecvLength ); + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), sError ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + // we'll have a message, at least + pTable->m_bStats = true; + + // parse reply + m_iCurrentPos = 0; + m_pCur = m_pResponse; + m_pResponseEnd = m_pResponse + uRespLength; + m_bUnpackError = false; + + if ( uRespStatus!=SEARCHD_OK ) + { + char * sMessage = UnpackString (); + if ( !sMessage ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "no valid response from searchd (status=%d, resplen=%d)", + uRespStatus, uRespLength ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + strncpy ( pTable->m_tStats.m_sLastMessage, sMessage, sizeof pTable->m_tStats.m_sLastMessage - 1 ); + pTable->m_tStats.m_sLastMessage[sizeof pTable->m_tStats.m_sLastMessage - 1] = '\0'; + SafeDeleteArray ( sMessage ); + + if ( uRespStatus!=SEARCHD_WARNING ) + { + my_snprintf ( sError, sizeof(sError), "searchd error: %s", pTable->m_tStats.m_sLastMessage ); + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), sError ); + + pTable->m_tStats.m_bLastError = true; + SPH_RET ( HA_ERR_END_OF_FILE ); + } + } + + if ( !UnpackSchema () ) + SPH_RET ( HA_ERR_END_OF_FILE ); + + if ( !UnpackStats ( &pTable->m_tStats ) ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: UnpackStats() failed" ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + SPH_RET ( get_rec ( buf, key, key_len ) ); +} + + +// Positions an index cursor to the index specified in key. Fetches the +// row if any. This is only used to read whole keys. +int ha_sphinx::index_read_idx ( byte *, uint, const byte *, uint, enum ha_rkey_function ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +// Used to read forward through the index. +int ha_sphinx::index_next ( byte * buf ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( get_rec ( buf, m_pCurrentKey, m_iCurrentKeyLen ) ); +} + + +int ha_sphinx::index_next_same ( byte * buf, const byte * key, uint keylen ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( get_rec ( buf, key, keylen ) ); +} + + +int ha_sphinx::get_rec ( byte * buf, const byte *, uint ) +{ + SPH_ENTER_METHOD(); + + if ( m_iCurrentPos>=m_iMatchesTotal ) + { + SafeDeleteArray ( m_pResponse ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + #if MYSQL_VERSION_ID>50100 + MY_BITMAP * org_bitmap = dbug_tmp_use_all_columns ( table, &table->write_set ); + #endif + Field ** field = table->field; + + // unpack and return the match + longlong uMatchID = UnpackDword (); + if ( m_bId64 ) + uMatchID = ( uMatchID<<32 ) + UnpackDword(); + uint32 uMatchWeight = UnpackDword (); + + field[0]->store ( uMatchID, 1 ); + field[1]->store ( uMatchWeight, 1 ); + field[2]->store ( (const char*)m_pCurrentKey, m_iCurrentKeyLen, &my_charset_bin ); + + for ( uint32 i=0; i<m_iAttrs; i++ ) + { + longlong iValue64 = 0; + uint32 uValue = UnpackDword (); + if ( m_dAttrs[i].m_uType==SPH_ATTR_BIGINT ) + iValue64 = ( (longlong)uValue<<32 ) | UnpackDword(); + if ( m_dAttrs[i].m_iField<0 ) + { + // skip MVA or String + if ( m_dAttrs[i].m_uType==SPH_ATTR_UINT32SET || m_dAttrs[i].m_uType==SPH_ATTR_UINT64SET ) + { + for ( ; uValue>0 && !m_bUnpackError; uValue-- ) + UnpackDword(); + } else if ( m_dAttrs[i].m_uType==SPH_ATTR_STRING && CheckResponcePtr ( uValue ) ) + { + m_pCur += uValue; + } + continue; + } + + Field * af = field [ m_dAttrs[i].m_iField ]; + switch ( m_dAttrs[i].m_uType ) + { + case SPH_ATTR_INTEGER: + case SPH_ATTR_ORDINAL: + case SPH_ATTR_BOOL: + af->store ( uValue, 1 ); + break; + + case SPH_ATTR_FLOAT: + af->store ( sphDW2F(uValue) ); + break; + + case SPH_ATTR_TIMESTAMP: + if ( af->type()==MYSQL_TYPE_TIMESTAMP ) + longstore ( af->ptr, uValue ); // because store() does not accept timestamps + else + af->store ( uValue, 1 ); + break; + + case SPH_ATTR_BIGINT: + af->store ( iValue64, 0 ); + break; + + case SPH_ATTR_STRING: + if ( !uValue ) + af->store ( "", 0, &my_charset_bin ); + else if ( CheckResponcePtr ( uValue ) ) + { + af->store ( m_pCur, uValue, &my_charset_bin ); + m_pCur += uValue; + } + break; + + case SPH_ATTR_UINT64SET: + case SPH_ATTR_UINT32SET : + if ( uValue<=0 ) + { + // shortcut, empty MVA set + af->store ( "", 0, &my_charset_bin ); + + } else + { + // convert MVA set to comma-separated string + char sBuf[1024]; // FIXME! magic size + char * pCur = sBuf; + + if ( m_dAttrs[i].m_uType==SPH_ATTR_UINT32SET ) + { + for ( ; uValue>0 && !m_bUnpackError; uValue-- ) + { + uint32 uEntry = UnpackDword (); + if ( pCur < sBuf+sizeof(sBuf)-16 ) // 10 chars per 32bit value plus some safety bytes + { + snprintf ( pCur, sBuf+sizeof(sBuf)-pCur, "%u", uEntry ); + while ( *pCur ) pCur++; + if ( uValue>1 ) + *pCur++ = ','; // non-trailing commas + } + } + } else + { + for ( ; uValue>0 && !m_bUnpackError; uValue-=2 ) + { + uint32 uEntryLo = UnpackDword (); + uint32 uEntryHi = UnpackDword(); + if ( pCur < sBuf+sizeof(sBuf)-24 ) // 20 chars per 64bit value plus some safety bytes + { + snprintf ( pCur, sBuf+sizeof(sBuf)-pCur, "%u%u", uEntryHi, uEntryLo ); + while ( *pCur ) pCur++; + if ( uValue>2 ) + *pCur++ = ','; // non-trailing commas + } + } + } + + af->store ( sBuf, uint(pCur-sBuf), &my_charset_bin ); + } + break; + + default: + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: unhandled attr type" ); + SafeDeleteArray ( m_pResponse ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + } + + if ( m_bUnpackError ) + { + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), "INTERNAL ERROR: response unpacker failed" ); + SafeDeleteArray ( m_pResponse ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + // zero out unmapped fields + for ( int i=SPHINXSE_SYSTEM_COLUMNS; i<(int)table->s->fields; i++ ) + if ( m_dUnboundFields[i]!=SPH_ATTR_NONE ) + switch ( m_dUnboundFields[i] ) + { + case SPH_ATTR_INTEGER: table->field[i]->store ( 0, 1 ); break; + case SPH_ATTR_TIMESTAMP: longstore ( table->field[i]->ptr, 0 ); break; + default: + my_error ( ER_QUERY_ON_FOREIGN_DATA_SOURCE, MYF(0), + "INTERNAL ERROR: unhandled unbound field type %d", m_dUnboundFields[i] ); + SafeDeleteArray ( m_pResponse ); + SPH_RET ( HA_ERR_END_OF_FILE ); + } + + memset ( buf, 0, table->s->null_bytes ); + m_iCurrentPos++; + + #if MYSQL_VERSION_ID > 50100 + dbug_tmp_restore_column_map ( &table->write_set, org_bitmap ); + #endif + + SPH_RET(0); +} + + +// Used to read backwards through the index. +int ha_sphinx::index_prev ( byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +// index_first() asks for the first key in the index. +// +// Called from opt_range.cc, opt_sum.cc, sql_handler.cc, +// and sql_select.cc. +int ha_sphinx::index_first ( byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_END_OF_FILE ); +} + +// index_last() asks for the last key in the index. +// +// Called from opt_range.cc, opt_sum.cc, sql_handler.cc, +// and sql_select.cc. +int ha_sphinx::index_last ( byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +int ha_sphinx::rnd_init ( bool ) +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +int ha_sphinx::rnd_end() +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +int ha_sphinx::rnd_next ( byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_END_OF_FILE ); +} + + +void ha_sphinx::position ( const byte * ) +{ + SPH_ENTER_METHOD(); + SPH_VOID_RET(); +} + + +// This is like rnd_next, but you are given a position to use +// to determine the row. The position will be of the type that you stored in +// ref. You can use ha_get_ptr(pos,ref_length) to retrieve whatever key +// or position you saved when position() was called. +// Called from filesort.cc records.cc sql_insert.cc sql_select.cc sql_update.cc. +int ha_sphinx::rnd_pos ( byte *, byte * ) +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +#if MYSQL_VERSION_ID>=50030 +int ha_sphinx::info ( uint ) +#else +void ha_sphinx::info ( uint ) +#endif +{ + SPH_ENTER_METHOD(); + + if ( table->s->keys>0 ) + table->key_info[0].rec_per_key[0] = 1; + + #if MYSQL_VERSION_ID>50100 + stats.records = 20; + #else + records = 20; + #endif + +#if MYSQL_VERSION_ID>=50030 + SPH_RET(0); +#else + SPH_VOID_RET(); +#endif +} + + +int ha_sphinx::reset () +{ + SPH_ENTER_METHOD(); + CSphSEThreadTable * pTable = GetTls (); + if ( pTable ) + pTable->m_bQuery = false; + SPH_RET(0); +} + + +int ha_sphinx::delete_all_rows() +{ + SPH_ENTER_METHOD(); + SPH_RET ( HA_ERR_WRONG_COMMAND ); +} + + +// First you should go read the section "locking functions for mysql" in +// lock.cc to understand this. +// This create a lock on the table. If you are implementing a storage engine +// that can handle transacations look at ha_berkely.cc to see how you will +// want to go about doing this. Otherwise you should consider calling flock() +// here. +// +// Called from lock.cc by lock_external() and unlock_external(). Also called +// from sql_table.cc by copy_data_between_tables(). +int ha_sphinx::external_lock ( THD *, int ) +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +THR_LOCK_DATA ** ha_sphinx::store_lock ( THD *, THR_LOCK_DATA ** to, + enum thr_lock_type lock_type ) +{ + SPH_ENTER_METHOD(); + + if ( lock_type!=TL_IGNORE && m_tLock.type==TL_UNLOCK ) + m_tLock.type = lock_type; + + *to++ = &m_tLock; + SPH_RET(to); +} + + +int ha_sphinx::delete_table ( const char * ) +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +// Renames a table from one name to another from alter table call. +// +// If you do not implement this, the default rename_table() is called from +// handler.cc and it will delete all files with the file extensions returned +// by bas_ext(). +// +// Called from sql_table.cc by mysql_rename_table(). +int ha_sphinx::rename_table ( const char *, const char * ) +{ + SPH_ENTER_METHOD(); + SPH_RET(0); +} + + +// Given a starting key, and an ending key estimate the number of rows that +// will exist between the two. end_key may be empty which in case determine +// if start_key matches any rows. +// +// Called from opt_range.cc by check_quick_keys(). +ha_rows ha_sphinx::records_in_range ( uint, const key_range *, const key_range *, page_range *) +{ + SPH_ENTER_METHOD(); + SPH_RET(3); // low number to force index usage +} + +#if MYSQL_VERSION_ID < 50610 +#define user_defined_key_parts key_parts +#endif + +// create() is called to create a database. The variable name will have the name +// of the table. When create() is called you do not need to worry about opening +// the table. Also, the FRM file will have already been created so adjusting +// create_info will not do you any good. You can overwrite the frm file at this +// point if you wish to change the table definition, but there are no methods +// currently provided for doing that. +// +// Called from handle.cc by ha_create_table(). +int ha_sphinx::create ( const char * name, TABLE * table_arg, HA_CREATE_INFO * ) +{ + SPH_ENTER_METHOD(); + char sError[256]; + + CSphSEShare tInfo; + if ( !ParseUrl ( &tInfo, table_arg, true ) ) + SPH_RET(-1); + + // check SphinxAPI table + for ( ; !tInfo.m_bSphinxQL; ) + { + // check system fields (count and types) + if ( table_arg->s->fields<SPHINXSE_SYSTEM_COLUMNS ) + { + my_snprintf ( sError, sizeof(sError), "%s: there MUST be at least %d columns", + name, SPHINXSE_SYSTEM_COLUMNS ); + break; + } + + if ( !IsIDField ( table_arg->field[0] ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: 1st column (docid) MUST be unsigned integer or bigint", name ); + break; + } + + if ( !IsIntegerFieldType ( table_arg->field[1]->type() ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: 2nd column (weight) MUST be integer or bigint", name ); + break; + } + + enum_field_types f2 = table_arg->field[2]->type(); + if ( f2!=MYSQL_TYPE_VARCHAR + && f2!=MYSQL_TYPE_BLOB && f2!=MYSQL_TYPE_MEDIUM_BLOB && f2!=MYSQL_TYPE_LONG_BLOB && f2!=MYSQL_TYPE_TINY_BLOB ) + { + my_snprintf ( sError, sizeof(sError), "%s: 3rd column (search query) MUST be varchar or text", name ); + break; + } + + // check attributes + int i; + for ( i=3; i<(int)table_arg->s->fields; i++ ) + { + enum_field_types eType = table_arg->field[i]->type(); + if ( eType!=MYSQL_TYPE_TIMESTAMP && !IsIntegerFieldType(eType) && eType!=MYSQL_TYPE_VARCHAR && eType!=MYSQL_TYPE_FLOAT ) + { + my_snprintf ( sError, sizeof(sError), "%s: %dth column (attribute %s) MUST be integer, bigint, timestamp, varchar, or float", + name, i+1, table_arg->field[i]->field_name.str ); + break; + } + } + + if ( i!=(int)table_arg->s->fields ) + break; + + // check index + if ( + table_arg->s->keys!=1 || + table_arg->key_info[0].user_defined_key_parts!=1 || + strcasecmp ( table_arg->key_info[0].key_part[0].field->field_name.str, table_arg->field[2]->field_name.str ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: there must be an index on '%s' column", + name, table_arg->field[2]->field_name.str ); + break; + } + + // all good + sError[0] = '\0'; + break; + } + + // check SphinxQL table + for ( ; tInfo.m_bSphinxQL; ) + { + sError[0] = '\0'; + + // check that 1st column is id, is of int type, and has an index + if ( strcmp ( table_arg->field[0]->field_name.str, "id" ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: 1st column must be called 'id'", name ); + break; + } + + if ( !IsIDField ( table_arg->field[0] ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: 'id' column must be INT UNSIGNED or BIGINT", name ); + break; + } + + // check index + if ( + table_arg->s->keys!=1 || + table_arg->key_info[0].user_defined_key_parts!=1 || + strcasecmp ( table_arg->key_info[0].key_part[0].field->field_name.str, "id" ) ) + { + my_snprintf ( sError, sizeof(sError), "%s: 'id' column must be indexed", name ); + break; + } + + // check column types + for ( int i=1; i<(int)table_arg->s->fields; i++ ) + { + enum_field_types eType = table_arg->field[i]->type(); + if ( eType!=MYSQL_TYPE_TIMESTAMP && !IsIntegerFieldType(eType) && eType!=MYSQL_TYPE_VARCHAR && eType!=MYSQL_TYPE_FLOAT ) + { + my_snprintf ( sError, sizeof(sError), "%s: column %d(%s) is of unsupported type (use int/bigint/timestamp/varchar/float)", + name, i+1, table_arg->field[i]->field_name.str ); + break; + } + } + if ( sError[0] ) + break; + + // all good + break; + } + + // report and bail + if ( sError[0] ) + { + my_printf_error(ER_CANT_CREATE_TABLE, + "Can\'t create table %s.%s (Error: %s)", + MYF(0), + table_arg->s->db.str, + table_arg->s->table_name.str, sError); + SPH_RET(-1); + } + + SPH_RET(0); +} + +// show functions + +#if MYSQL_VERSION_ID<50100 +#define SHOW_VAR_FUNC_BUFF_SIZE 1024 +#endif + +CSphSEStats * sphinx_get_stats ( THD * thd, SHOW_VAR * out ) +{ +#if MYSQL_VERSION_ID>50100 + if ( sphinx_hton_ptr ) + { + CSphTLS * pTls = (CSphTLS *) thd_get_ha_data ( thd, sphinx_hton_ptr ); + + if ( pTls && pTls->m_pHeadTable && pTls->m_pHeadTable->m_bStats ) + return &pTls->m_pHeadTable->m_tStats; + } +#else + CSphTLS * pTls = (CSphTLS *) thd->ha_data[sphinx_hton.slot]; + if ( pTls && pTls->m_pHeadTable && pTls->m_pHeadTable->m_bStats ) + return &pTls->m_pHeadTable->m_tStats; +#endif + + out->type = SHOW_CHAR; + out->value = (char*) ""; + return 0; +} + +int sphinx_showfunc_total ( THD * thd, SHOW_VAR * out, char * ) +{ + CSphSEStats * pStats = sphinx_get_stats ( thd, out ); + if ( pStats ) + { + out->type = SHOW_INT; + out->value = (char *) &pStats->m_iMatchesTotal; + } + return 0; +} + +int sphinx_showfunc_total_found ( THD * thd, SHOW_VAR * out, char * ) +{ + CSphSEStats * pStats = sphinx_get_stats ( thd, out ); + if ( pStats ) + { + out->type = SHOW_INT; + out->value = (char *) &pStats->m_iMatchesFound; + } + return 0; +} + +int sphinx_showfunc_time ( THD * thd, SHOW_VAR * out, char * ) +{ + CSphSEStats * pStats = sphinx_get_stats ( thd, out ); + if ( pStats ) + { + out->type = SHOW_INT; + out->value = (char *) &pStats->m_iQueryMsec; + } + return 0; +} + +int sphinx_showfunc_word_count ( THD * thd, SHOW_VAR * out, char * ) +{ + CSphSEStats * pStats = sphinx_get_stats ( thd, out ); + if ( pStats ) + { + out->type = SHOW_INT; + out->value = (char *) &pStats->m_iWords; + } + return 0; +} + +int sphinx_showfunc_words ( THD * thd, SHOW_VAR * out, char * sBuffer ) +{ +#if MYSQL_VERSION_ID>50100 + if ( sphinx_hton_ptr ) + { + CSphTLS * pTls = (CSphTLS *) thd_get_ha_data ( thd, sphinx_hton_ptr ); +#else + { + CSphTLS * pTls = (CSphTLS *) thd->ha_data[sphinx_hton.slot]; +#endif + if ( pTls && pTls->m_pHeadTable && pTls->m_pHeadTable->m_bStats ) + { + CSphSEStats * pStats = &pTls->m_pHeadTable->m_tStats; + if ( pStats && pStats->m_iWords ) + { + uint uBuffLen = 0; + + out->type = SHOW_CHAR; + out->value = sBuffer; + + // the following is partially based on code in sphinx_show_status() + sBuffer[0] = 0; + for ( int i=0; i<pStats->m_iWords; i++ ) + { + CSphSEWordStats & tWord = pStats->m_dWords[i]; + uBuffLen = my_snprintf ( sBuffer, SHOW_VAR_FUNC_BUFF_SIZE, "%s%s:%d:%d ", sBuffer, + tWord.m_sWord, tWord.m_iDocs, tWord.m_iHits ); + } + + if ( uBuffLen > 0 ) + { + // trim last space + sBuffer [ --uBuffLen ] = 0; + + if ( pTls->m_pHeadTable->m_pQueryCharset ) + { + // String::c_ptr() will nul-terminate the buffer. + // + // NOTE: It's not entirely clear whether this conversion is necessary at all. + + String sConvert; + uint iErrors; + sConvert.copy ( sBuffer, uBuffLen, pTls->m_pHeadTable->m_pQueryCharset, system_charset_info, &iErrors ); + memcpy ( sBuffer, sConvert.c_ptr(), sConvert.length() + 1 ); + } + } + + return 0; + } + } + } + + out->type = SHOW_CHAR; + out->value = (char*) ""; + return 0; +} + +int sphinx_showfunc_error ( THD * thd, SHOW_VAR * out, char * ) +{ + CSphSEStats * pStats = sphinx_get_stats ( thd, out ); + out->type = SHOW_CHAR; + if ( pStats && pStats->m_bLastError ) + { + out->value = pStats->m_sLastMessage; + } + else + out->value = (char*)""; + return 0; +} + +#if MYSQL_VERSION_ID>50100 +struct st_mysql_storage_engine sphinx_storage_engine = +{ + MYSQL_HANDLERTON_INTERFACE_VERSION +}; + +struct st_mysql_show_var sphinx_status_vars[] = +{ + {"Sphinx_total", (char *)sphinx_showfunc_total, SHOW_SIMPLE_FUNC}, + {"Sphinx_total_found", (char *)sphinx_showfunc_total_found, SHOW_SIMPLE_FUNC}, + {"Sphinx_time", (char *)sphinx_showfunc_time, SHOW_SIMPLE_FUNC}, + {"Sphinx_word_count", (char *)sphinx_showfunc_word_count, SHOW_SIMPLE_FUNC}, + {"Sphinx_words", (char *)sphinx_showfunc_words, SHOW_SIMPLE_FUNC}, + {"Sphinx_error", (char *)sphinx_showfunc_error, SHOW_SIMPLE_FUNC}, + {0, 0, (enum_mysql_show_type)0} +}; + + +maria_declare_plugin(sphinx) +{ + MYSQL_STORAGE_ENGINE_PLUGIN, + &sphinx_storage_engine, + sphinx_hton_name, + "Sphinx developers", + sphinx_hton_comment, + PLUGIN_LICENSE_GPL, + sphinx_init_func, // Plugin Init + sphinx_done_func, // Plugin Deinit + 0x0202, // 2.2 + sphinx_status_vars, + NULL, + SPHINXSE_VERSION, // string version +MariaDB_PLUGIN_MATURITY_GAMMA +} +maria_declare_plugin_end; + +#endif // >50100 + +// +// $Id: ha_sphinx.cc 4842 2014-11-12 21:03:06Z deogar $ +// |