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MySQL 5.1: mysql/src/5.1-dbg/include/ft_global.h File Reference

mysql/src/5.1-dbg/include/ft_global.h File Reference

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Classes
struct	_ft_vft
struct	st_ft_info
Defines
#define	HA_FT_MAXBYTELEN 254
#define	HA_FT_MAXCHARLEN (HA_FT_MAXBYTELEN/3)
#define	FT_NL 0
#define	FT_BOOL 1
#define	FT_SORTED 2
#define	FT_EXPAND 4
Typedefs
typedef st_ft_info	FT_INFO
Functions
int	ft_init_stopwords (void)
void	ft_free_stopwords (void)
FT_INFO *	ft_init_search (uint, void , uint, byte , uint, CHARSET_INFO , byte )
my_bool	ft_boolean_check_syntax_string (const byte *)
Variables
const char *	ft_stopword_file
const char *	ft_precompiled_stopwords []
ulong	ft_min_word_len
ulong	ft_max_word_len
ulong	ft_query_expansion_limit
char	ft_boolean_syntax [15]
st_mysql_ftparser	ft_default_parser

Define Documentation

#define FT_BOOL 1

Definition at line 62 of file ft_global.h.

Referenced by Item_func_match::fix_fields(), Item_func_match::fix_index(), ft_init_search(), and Item_func_match::print().

#define FT_EXPAND 4

Definition at line 64 of file ft_global.h.

Referenced by ft_init_nlq_search(), and Item_func_match::print().

#define FT_NL 0

Definition at line 61 of file ft_global.h.

#define FT_SORTED 2

Definition at line 63 of file ft_global.h.

Referenced by ft_init_nlq_search(), and Item_func_match::init_search().

#define HA_FT_MAXBYTELEN 254

Definition at line 29 of file ft_global.h.

Referenced by _create_index_by_sort(), _ft_make_key(), mi_repair_by_sort(), mi_repair_parallel(), and mi_too_big_key_for_sort().

#define HA_FT_MAXCHARLEN (HA_FT_MAXBYTELEN/3)

Definition at line 30 of file ft_global.h.

Typedef Documentation

typedef struct st_ft_info FT_INFO

Definition at line 32 of file ft_global.h.

Function Documentation

my_bool ft_boolean_check_syntax_string ( const byte * )

Definition at line 82 of file ft_parser.c.

References default_charset_info, ft_boolean_syntax, my_isalnum, and strlen().

Referenced by get_one_option(), and sys_check_ftb_syntax().

00083 {
00084   uint i, j;
00085 
00086   if (!str ||
00087       (strlen(str)+1 != sizeof(ft_boolean_syntax)) ||
00088       (str[0] != ' ' && str[1] != ' '))
00089     return 1;
00090   for (i=0; i<sizeof(ft_boolean_syntax); i++)
00091   {
00092     /* limiting to 7-bit ascii only */
00093     if ((unsigned char)(str[i]) > 127 || my_isalnum(default_charset_info, str[i]))
00094       return 1;
00095     for (j=0; j<i; j++)
00096       if (str[i] == str[j] && (i != 11 || j != 10))
00097         return 1;
00098   }
00099   return 0;
00100 }

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void ft_free_stopwords ( void )

Definition at line 120 of file ft_stopwords.c.

References delete_tree(), ft_stopword_file, my_free, MYF, and stopwords3.

Referenced by main(), and mi_panic().

00121 {
00122   if (stopwords3)
00123   {
00124     delete_tree(stopwords3); /* purecov: inspected */
00125     my_free((char*) stopwords3,MYF(0));
00126     stopwords3=0;
00127   }
00128   ft_stopword_file= 0;
00129 }

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FT_INFO* ft_init_search	(	uint	,
		void *	,
		uint	,
		byte *	,
		uint	,
		CHARSET_INFO *	,
		byte *
	)

Definition at line 59 of file ft_static.c.

References FT_BOOL, ft_init_boolean_search(), and ft_init_nlq_search().

Referenced by ha_myisam::ft_init_ext().

00062 {
00063   FT_INFO *res;
00064   if (flags & FT_BOOL)
00065     res= ft_init_boolean_search((MI_INFO *)info, keynr, query, query_len,cs);
00066   else
00067     res= ft_init_nlq_search((MI_INFO *)info, keynr, query, query_len, flags,
00068                             record);
00069   return res;
00070 }

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int ft_init_stopwords ( void )

Definition at line 53 of file ft_stopwords.c.

References buffer, default_charset_info, error, ft_add_stopword(), ft_precompiled_stopwords, ft_simple_get_word(), FT_STOPWORD_cmp(), ft_stopword_file, FT_STOPWORD_free(), init_tree(), st_ft_word::len, my_close(), my_free, my_malloc(), my_open(), my_read, my_seek(), MY_SEEK_END, MY_SEEK_SET, my_strndup(), MY_WME, MYF, NULL, st_ft_word::pos, start(), stopwords3, and TRUE.

Referenced by init_server_components(), main(), myisamchk(), and run_test().

00054 {
00055   if (!stopwords3)
00056   {
00057     if (!(stopwords3=(TREE *)my_malloc(sizeof(TREE),MYF(0))))
00058       return -1;
00059     init_tree(stopwords3,0,0,sizeof(FT_STOPWORD),(qsort_cmp2)&FT_STOPWORD_cmp,
00060               0,
00061               (ft_stopword_file ? (tree_element_free)&FT_STOPWORD_free : 0),
00062               NULL);
00063   }
00064 
00065   if (ft_stopword_file)
00066   {
00067     File fd;
00068     uint len;
00069     byte *buffer, *start, *end;
00070     FT_WORD w;
00071     int error=-1;
00072 
00073     if (!*ft_stopword_file)
00074       return 0;
00075 
00076     if ((fd=my_open(ft_stopword_file, O_RDONLY, MYF(MY_WME))) == -1)
00077       return -1;
00078     len=(uint)my_seek(fd, 0L, MY_SEEK_END, MYF(0));
00079     my_seek(fd, 0L, MY_SEEK_SET, MYF(0));
00080     if (!(start=buffer=my_malloc(len+1, MYF(MY_WME))))
00081       goto err0;
00082     len=my_read(fd, buffer, len, MYF(MY_WME));
00083     end=start+len;
00084     while (ft_simple_get_word(default_charset_info, &start, end, &w, TRUE))
00085     {
00086       if (ft_add_stopword(my_strndup(w.pos, w.len, MYF(0))))
00087         goto err1;
00088     }
00089     error=0;
00090 err1:
00091     my_free(buffer, MYF(0));
00092 err0:
00093     my_close(fd, MYF(MY_WME));
00094     return error;
00095   }
00096   else
00097   {
00098     /* compatibility mode: to be removed */
00099     char **sws=(char **)ft_precompiled_stopwords;
00100 
00101     for (;*sws;sws++)
00102     {
00103       if (ft_add_stopword(*sws))
00104         return -1;
00105     }
00106     ft_stopword_file="(built-in)"; /* for SHOW VARIABLES */
00107   }
00108   return 0;
00109 }