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ha_sphinx.cc
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//
// $Id: ha_sphinx.cc 5006 2015-04-16 08:52:45Z deogar $
//
//
// Copyright (c) 2001-2015, Andrew Aksyonoff
// Copyright (c) 2008-2015, 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 _MSC_VER>=1400
#define _CRT_SECURE_NO_DEPRECATE 1
#define _CRT_NONSTDC_NO_DEPRECATE 1
#endif
#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 strcasecmp stricmp
#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 _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 "2.2.9-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 occurence 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
};
/// 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) { if ( _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;
SafeDeleteArray ( m_dWords );
m_bLastError = false;
m_sLastMessage[0] = '\0';
}
~CSphSEStats()
{
Reset ();
}
};
/// 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;
char * m_sQuery;
uint32 * m_pWeights;
int m_iWeights;
ESphMatchMode m_eMode;
ESphRankMode m_eRanker;
char * m_sRankExpr;
ESphSortOrder m_eSort;
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;
char * m_sGroupBy;
char * m_sGroupSortBy;
int m_iCutoff;
int m_iRetryCount;
int m_iRetryDelay;
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;
char * m_sGeoLatAttr;
char * m_sGeoLongAttr;
float m_fGeoLatitude;
float m_fGeoLongitude;
char * m_sComment;
char * m_sSelect;
struct Override_t
{
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) ); }
};
template int CSphSEQuery::ParseArray<uint32> ( uint32 **, const char * );
template int CSphSEQuery::ParseArray<longlong> ( longlong **, const char * );
//////////////////////////////////////////////////////////////////////////////
#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
};
#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 ( &sphinx_open_tables, system_charset_info, 32, 0, 0,
sphinx_get_key, 0, 0 );
#if MYSQL_VERSION_ID > 50100
handlerton * hton = (handlerton*) p;
hton->state = SHOW_OPTION_YES;
hton->db_type = DB_TYPE_FIRST_DYNAMIC;
hton->create = sphinx_create_handler;
hton->close_connection = sphinx_close_connection;
hton->show_status = sphinx_show_status;
hton->panic = sphinx_panic;
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();
void ** tmp = thd_ha_data ( thd, hton );
CSphTLS * pTls = (CSphTLS *) (*tmp);
SafeDelete ( pTls );
*tmp = NULL;
SPH_RET(0);
}
static int sphinx_done_func ( void * )
{
SPH_ENTER_FUNC();
int error = 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_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 ( "Type", 10 ) );
field_list.push_back ( new Item_empty_string ( "Name", FN_REFLEN ) );
field_list.push_back ( new Item_empty_string ( "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 && 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]