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87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/* Copyright (C) 2000-2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* Written by Sergei A. Golubchik, who has a shared copyright to this code */
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/* some definitions for full-text indices */
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/* #include "myisam.h" */
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#ifndef _ft_global_h
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#define _ft_global_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HA_FT_MAXBYTELEN 254
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#define HA_FT_MAXCHARLEN (HA_FT_MAXBYTELEN/3)
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#define DEFAULT_FTB_SYNTAX "+ -><()~*:\"\"&|"
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typedef struct st_ft_info FT_INFO;
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struct _ft_vft
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{
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int (*read_next)(FT_INFO *, char *);
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float (*find_relevance)(FT_INFO *, uchar *, uint);
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void (*close_search)(FT_INFO *);
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float (*get_relevance)(FT_INFO *);
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void (*reinit_search)(FT_INFO *);
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};
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#ifndef FT_CORE
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struct st_ft_info
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{
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struct _ft_vft *please; /* INTERCAL style :-) */
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};
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#endif
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extern const char *ft_stopword_file;
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extern const char *ft_precompiled_stopwords[];
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extern ulong ft_min_word_len;
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extern ulong ft_max_word_len;
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extern ulong ft_query_expansion_limit;
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extern const char *ft_boolean_syntax;
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extern struct st_mysql_ftparser ft_default_parser;
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int ft_init_stopwords(void);
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void ft_free_stopwords(void);
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#define FT_NL 0
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#define FT_BOOL 1
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#define FT_SORTED 2
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#define FT_EXPAND 4 /* query expansion */
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FT_INFO *ft_init_search(uint,void *, uint, uchar *, size_t,
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CHARSET_INFO *, uchar *);
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my_bool ft_boolean_check_syntax_string(const uchar *);
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/* Internal symbols for fulltext between maria and MyISAM */
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#define HA_FT_WTYPE HA_KEYTYPE_FLOAT
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#define HA_FT_WLEN 4
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#define FT_SEGS 2
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#define ft_sintXkorr(A) mi_sint4korr(A)
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#define ft_intXstore(T,A) mi_int4store(T,A)
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extern const HA_KEYSEG ft_keysegs[FT_SEGS];
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typedef union {int32 i; float f;} FT_WEIGTH;
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#ifdef __cplusplus
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}
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#endif
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#endif
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