ft_global.h
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上传日期:2022-05-23
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文件大小:2k
- /* Copyright (C) 2000-2003 MySQL AB
- 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
- #define HA_FT_MAXBYTELEN 254
- #define HA_FT_MAXCHARLEN (HA_FT_MAXBYTELEN/3)
- typedef struct st_ft_info FT_INFO;
- struct _ft_vft
- {
- int (*read_next)(FT_INFO *, char *);
- float (*find_relevance)(FT_INFO *, byte *, uint);
- void (*close_search)(FT_INFO *);
- float (*get_relevance)(FT_INFO *);
- void (*reinit_search)(FT_INFO *);
- };
- #ifndef FT_CORE
- struct st_ft_info
- {
- struct _ft_vft *please; /* INTERCAL style :-) */
- };
- #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 char ft_boolean_syntax[15];
- 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, byte *, uint,CHARSET_INFO *, byte *);
- my_bool ft_boolean_check_syntax_string(const byte *);
- #ifdef __cplusplus
- }
- #endif
- #endif