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/* Copyright (c) 2000-2005, 2007 MySQL AB, 2009 Sun Microsystems, Inc. Use is subject to license terms. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ /* Written by Sergei A. Golubchik, who has a shared copyright to this code */ /* some definitions for full-text indices */ /* #include "myisam.h" */ #ifndef _ft_global_h #define _ft_global_h #ifdef __cplusplus extern "C" { #endif #include <my_compare.h> #define HA_FT_MAXBYTELEN 254 #define HA_FT_MAXCHARLEN (HA_FT_MAXBYTELEN/3) #define DEFAULT_FTB_SYNTAX "+ -><()~*:\"\"&|" typedef struct st_ft_info FT_INFO; struct _ft_vft { int (*read_next)(FT_INFO *, char *); float (*find_relevance)(FT_INFO *, uchar *, uint); void (*close_search)(FT_INFO *); float (*get_relevance)(FT_INFO *); void (*reinit_search)(FT_INFO *); }; typedef struct st_ft_info_ext FT_INFO_EXT; struct _ft_vft_ext { uint (*get_version)(); // Extended API version ulonglong (*get_flags)(); ulonglong (*get_docid)(FT_INFO_EXT *); ulonglong (*count_matches)(FT_INFO_EXT *); }; /* Flags for extended FT API */ #define FTS_ORDERED_RESULT (1LL << 1) #define FTS_DOCID_IN_RESULT (1LL << 2) #define FTS_DOC_ID_COL_NAME "FTS_DOC_ID" #ifndef FT_CORE struct st_ft_info { struct _ft_vft *please; /* INTERCAL style :-) */ }; struct st_ft_info_ext { struct _ft_vft *please; /* INTERCAL style :-) */ struct _ft_vft_ext *could_you; }; #endif extern const char *ft_stopword_file; extern const char *ft_precompiled_stopwords[]; extern ulong ft_min_word_len; extern ulong ft_max_word_len; extern ulong ft_query_expansion_limit; extern const char *ft_boolean_syntax; extern struct st_mysql_ftparser ft_default_parser; int ft_init_stopwords(void); void ft_free_stopwords(void); #define FT_NL 0 #define FT_BOOL 1 #define FT_SORTED 2 #define FT_EXPAND 4 /* query expansion */ FT_INFO *ft_init_search(uint,void *, uint, uchar *, size_t, CHARSET_INFO *, uchar *); my_bool ft_boolean_check_syntax_string(const uchar *, size_t length, CHARSET_INFO *cs); /* Internal symbols for fulltext between maria and MyISAM */ #define HA_FT_WTYPE HA_KEYTYPE_FLOAT #define HA_FT_WLEN 4 #define FT_SEGS 2 #define ft_sintXkorr(A) mi_sint4korr(A) #define ft_intXstore(T,A) mi_int4store(T,A) extern const HA_KEYSEG ft_keysegs[FT_SEGS]; typedef union {int32 i; float f;} FT_WEIGTH; #ifdef __cplusplus } #endif #endif