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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/sphinx/ha_sphinx.h
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/sphinx/ha_sphinx.h')
-rw-r--r--storage/sphinx/ha_sphinx.h175
1 files changed, 175 insertions, 0 deletions
diff --git a/storage/sphinx/ha_sphinx.h b/storage/sphinx/ha_sphinx.h
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+//
+// $Id: ha_sphinx.h 4818 2014-09-24 08:53:38Z tomat $
+//
+
+#ifdef USE_PRAGMA_INTERFACE
+#pragma interface // gcc class implementation
+#endif
+
+
+#if MYSQL_VERSION_ID>=50515
+#define TABLE_ARG TABLE_SHARE
+#elif MYSQL_VERSION_ID>50100
+#define TABLE_ARG st_table_share
+#else
+#define TABLE_ARG st_table
+#endif
+
+
+#if MYSQL_VERSION_ID>=50120
+typedef uchar byte;
+#endif
+
+
+/// forward decls
+class THD;
+struct CSphReqQuery;
+struct CSphSEShare;
+struct CSphSEAttr;
+struct CSphSEStats;
+struct CSphSEThreadTable;
+
+/// Sphinx SE handler class
+class ha_sphinx final : public handler
+{
+protected:
+ THR_LOCK_DATA m_tLock; ///< MySQL lock
+
+ CSphSEShare * m_pShare; ///< shared lock info
+
+ uint m_iMatchesTotal;
+ uint m_iCurrentPos;
+ const byte * m_pCurrentKey;
+ uint m_iCurrentKeyLen;
+
+ char * m_pResponse; ///< searchd response storage
+ char * m_pResponseEnd; ///< searchd response storage end (points to wilderness!)
+ char * m_pCur; ///< current position into response
+ bool m_bUnpackError; ///< any errors while unpacking response
+
+public:
+#if MYSQL_VERSION_ID<50100
+ ha_sphinx ( TABLE_ARG * table_arg ); // NOLINT
+#else
+ ha_sphinx ( handlerton * hton, TABLE_ARG * table_arg );
+#endif
+ ~ha_sphinx ();
+
+ const char * table_type () const { return "SPHINX"; } ///< SE name for display purposes
+ const char * index_type ( uint ) { return "HASH"; } ///< index type name for display purposes
+
+ #if MYSQL_VERSION_ID>50100
+ ulonglong table_flags () const { return HA_CAN_INDEX_BLOBS |
+ HA_CAN_TABLE_CONDITION_PUSHDOWN; } ///< bitmap of implemented flags (see handler.h for more info)
+ #else
+ ulong table_flags () const { return HA_CAN_INDEX_BLOBS; } ///< bitmap of implemented flags (see handler.h for more info)
+ #endif
+
+ ulong index_flags ( uint, uint, bool ) const { return 0; } ///< bitmap of flags that says how SE implements indexes
+ uint max_supported_record_length () const { return HA_MAX_REC_LENGTH; }
+ uint max_supported_keys () const { return 1; }
+ uint max_supported_key_parts () const { return 1; }
+ uint max_supported_key_length () const { return MAX_KEY_LENGTH; }
+ uint max_supported_key_part_length () const { return MAX_KEY_LENGTH; }
+
+ #if MYSQL_VERSION_ID>50100
+ virtual double scan_time () { return (double)( stats.records+stats.deleted )/20.0 + 10; } ///< called in test_quick_select to determine if indexes should be used
+ #else
+ virtual double scan_time () { return (double)( records+deleted )/20.0 + 10; } ///< called in test_quick_select to determine if indexes should be used
+ #endif
+
+ virtual double read_time(uint index, uint ranges, ha_rows rows)
+ { return ranges + (double)rows/20.0 + 1; } ///< index read time estimate
+
+public:
+ int open ( const char * name, int mode, uint test_if_locked );
+ int close ();
+
+ int write_row ( const byte * buf );
+ int update_row ( const byte * old_data, const byte * new_data );
+ int delete_row ( const byte * buf );
+ int extra ( enum ha_extra_function op );
+
+ int index_init ( uint keynr, bool sorted ); // 5.1.x
+ int index_init ( uint keynr ) { return index_init ( keynr, false ); } // 5.0.x
+
+ int index_end ();
+ int index_read ( byte * buf, const byte * key, uint key_len, enum ha_rkey_function find_flag );
+ int index_read_idx ( byte * buf, uint idx, const byte * key, uint key_len, enum ha_rkey_function find_flag );
+ int index_next ( byte * buf );
+ int index_next_same ( byte * buf, const byte * key, uint keylen );
+ int index_prev ( byte * buf );
+ int index_first ( byte * buf );
+ int index_last ( byte * buf );
+
+ int get_rec ( byte * buf, const byte * key, uint keylen );
+
+ int rnd_init ( bool scan );
+ int rnd_end ();
+ int rnd_next ( byte * buf );
+ int rnd_pos ( byte * buf, byte * pos );
+ void position ( const byte * record );
+
+#if MYSQL_VERSION_ID>=50030
+ int info ( uint );
+#else
+ void info ( uint );
+#endif
+
+ int reset();
+ int external_lock ( THD * thd, int lock_type );
+ int delete_all_rows ();
+ ha_rows records_in_range ( uint inx, const key_range * min_key, const key_range * max_key, page_range *pages);
+
+ int delete_table ( const char * from );
+ int rename_table ( const char * from, const char * to );
+ int create ( const char * name, TABLE * form, HA_CREATE_INFO * create_info );
+
+ THR_LOCK_DATA ** store_lock ( THD * thd, THR_LOCK_DATA ** to, enum thr_lock_type lock_type );
+
+public:
+#if MYSQL_VERSION_ID<50610
+ virtual const COND * cond_push ( const COND *cond );
+#else
+ virtual const Item * cond_push ( const Item *cond );
+#endif
+ virtual void cond_pop ();
+
+private:
+ uint32 m_iFields;
+ char ** m_dFields;
+
+ uint32 m_iAttrs;
+ CSphSEAttr * m_dAttrs;
+ int m_bId64;
+
+ int * m_dUnboundFields;
+
+private:
+ int Connect ( const char * sQueryHost, ushort uPort );
+ int ConnectAPI ( const char * sQueryHost, int iQueryPort );
+ int HandleMysqlError ( struct st_mysql * pConn, int iErrCode );
+
+ uint32 UnpackDword ();
+ char * UnpackString ();
+ bool UnpackSchema ();
+ bool UnpackStats ( CSphSEStats * pStats );
+ bool CheckResponcePtr ( int iLen );
+
+ CSphSEThreadTable * GetTls ();
+};
+
+
+#if MYSQL_VERSION_ID < 50100
+bool sphinx_show_status ( THD * thd );
+#endif
+
+int sphinx_showfunc_total_found ( THD *, SHOW_VAR *, char * );
+int sphinx_showfunc_total ( THD *, SHOW_VAR *, char * );
+int sphinx_showfunc_time ( THD *, SHOW_VAR *, char * );
+int sphinx_showfunc_word_count ( THD *, SHOW_VAR *, char * );
+int sphinx_showfunc_words ( THD *, SHOW_VAR *, char * );
+
+//
+// $Id: ha_sphinx.h 4818 2014-09-24 08:53:38Z tomat $
+//