Commit d8f1d154 authored by unknown's avatar unknown

Merge bk-internal:/home/bk/mysql-4.0/

into serg.mylan:/usr/home/serg/Abk/mysql-4.0

parents 62b22fb7 7759360d
......@@ -55,8 +55,9 @@ static double _nwghts[11]=
static double *nwghts=_nwghts+5; /* nwghts[i] = -0.5*1.5**i */
#define FTB_FLAG_TRUNC 1 /* MUST be 1 */
#define FTB_FLAG_YES 2 /* These two - YES and NO */
#define FTB_FLAG_NO 4 /* should NEVER be set both */
#define FTB_FLAG_YES 2 /* no two from these three */
#define FTB_FLAG_NO 4 /* YES, NO, WONLY */
#define FTB_FLAG_WONLY 8 /* should be ever set both */
typedef struct st_ftb_expr FTB_EXPR;
struct st_ftb_expr
......@@ -444,7 +445,8 @@ static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_
ftbe->cur_weight += weight;
if (ftbe->yesses < ythresh)
break;
yn= (ftbe->yesses++ == ythresh) ? ftbe->flags : 0 ;
if (!(yn & FTB_FLAG_WONLY))
yn= (ftbe->yesses++ == ythresh) ? ftbe->flags : FTB_FLAG_WONLY ;
weight*= ftbe->weight;
}
}
......
......@@ -117,6 +117,10 @@ MySQL has now support for full-text search
select * from t1 where MATCH a,b AGAINST ('"text i"' IN BOOLEAN MODE);
a b
Full-text indexes are called collections
select * from t1 where MATCH a,b AGAINST ('+(support collections) +foobar*' IN BOOLEAN MODE);
a b
select * from t1 where MATCH a,b AGAINST ('+(+(support collections)) +foobar*' IN BOOLEAN MODE);
a b
select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
a b
Full-text search in MySQL implements vector space model
......
......@@ -18,7 +18,6 @@ select * from t1 where MATCH(a,b) AGAINST ("collections");
select * from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
# add_ft_keys() tests
explain select * from t1 where MATCH(a,b) AGAINST ("collections");
......@@ -54,6 +53,9 @@ select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOL
select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"text i"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('+(support collections) +foobar*' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('+(+(support collections)) +foobar*' IN BOOLEAN MODE);
# boolean w/o index:
select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
......
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