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/* 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
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