Commit 9fdd88e1 authored by serg@serg.mysql.com's avatar serg@serg.mysql.com
Browse files

bug in relevance calculation fixed

parent bfc6a29d

myisam/ft_boolean_search.c

+1 −2
Original line number Diff line number Diff line
@@ -260,15 +260,14 @@ void _ftb_climb_the_tree(FTB_WORD *ftbw, my_off_t curdoc) 
    else

 /* if (yn==0) */

    {

      ftbe->cur_weight+=weight;

      if (ftbe->yesses >= ftbe->ythresh && !ftbe->nos)

      {

        yn=ftbe->yesno;

        ftbe->cur_weight=weight;

        weight*=ftbe->weight;

      }

      else

      {

        ftbe->cur_weight+=weight;

        break;

      }

    }

mysql-test/r/fulltext.result

+7 −0
Original line number Diff line number Diff line
@@ -48,6 +48,13 @@ Full-text search in MySQL implements vector space model 
select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);

a	b

Function MATCH ... AGAINST()	is used to do a search

select *, MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE) as x from t1;

a	b	x

MySQL has now support	for full-text search	1

Full-text indexes	are called collections	1

Only MyISAM tables	support collections	2

Function MATCH ... AGAINST()	is used to do a search	0

Full-text search in MySQL	implements vector space model	0

delete from t1 where a like "MySQL%";

drop table t1;

CREATE TABLE t1 (

mysql-test/t/fulltext.test

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MOD 
select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);

select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);

select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);

select *, MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE) as x from t1;

delete from t1 where a like "MySQL%";

drop table t1;