diff options
| -rw-r--r-- | mysql-test/r/fulltext.result | 39 | ||||
| -rw-r--r-- | mysql-test/t/fulltext.test | 41 | ||||
| -rw-r--r-- | storage/myisam/ft_boolean_search.c | 3 |
3 files changed, 81 insertions, 2 deletions
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result index a5216189d9a..6022231907b 100644 --- a/mysql-test/r/fulltext.result +++ b/mysql-test/r/fulltext.result @@ -551,3 +551,42 @@ EXECUTE s; MATCH (col) AGAINST('findme') DEALLOCATE PREPARE s; DROP TABLE t1; +# +# Bug #47930: MATCH IN BOOLEAN MODE returns too many results +# inside subquery +# +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (1), (2); +CREATE TABLE t2 (a int, b2 char(10), FULLTEXT KEY b2 (b2)); +INSERT INTO t2 VALUES (1,'Scargill'); +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (1,1), (2,1); +# t2 should use full text index +EXPLAIN +SELECT count(*) FROM t1 WHERE +not exists( +SELECT 1 FROM t2, t3 +WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) +); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t2 fulltext b2 b2 0 1 Using where +2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where +# should return 0 +SELECT count(*) FROM t1 WHERE +not exists( +SELECT 1 FROM t2, t3 +WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) +); +count(*) +0 +# should return 0 +SELECT count(*) FROM t1 WHERE +not exists( +SELECT 1 FROM t2 IGNORE INDEX (b2), t3 +WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) +); +count(*) +0 +DROP TABLE t1,t2,t3; +End of 5.1 tests diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test index 80c8658d35c..4537559509d 100644 --- a/mysql-test/t/fulltext.test +++ b/mysql-test/t/fulltext.test @@ -484,3 +484,44 @@ PREPARE s FROM EXECUTE s; DEALLOCATE PREPARE s; DROP TABLE t1; + +--echo # +--echo # Bug #47930: MATCH IN BOOLEAN MODE returns too many results +--echo # inside subquery +--echo # + +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (1), (2); + +CREATE TABLE t2 (a int, b2 char(10), FULLTEXT KEY b2 (b2)); +INSERT INTO t2 VALUES (1,'Scargill'); + +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (1,1), (2,1); + +--echo # t2 should use full text index +EXPLAIN +SELECT count(*) FROM t1 WHERE + not exists( + SELECT 1 FROM t2, t3 + WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) + ); + +--echo # should return 0 +SELECT count(*) FROM t1 WHERE + not exists( + SELECT 1 FROM t2, t3 + WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) + ); + +--echo # should return 0 +SELECT count(*) FROM t1 WHERE + not exists( + SELECT 1 FROM t2 IGNORE INDEX (b2), t3 + WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) + ); + +DROP TABLE t1,t2,t3; + + +--echo End of 5.1 tests diff --git a/storage/myisam/ft_boolean_search.c b/storage/myisam/ft_boolean_search.c index 0a2847be514..492261c5efc 100644 --- a/storage/myisam/ft_boolean_search.c +++ b/storage/myisam/ft_boolean_search.c @@ -475,8 +475,7 @@ static void _ftb_init_index_search(FT_INFO *ftb) int i; FTB_WORD *ftbw; - if ((ftb->state != READY && ftb->state !=INDEX_DONE) || - ftb->keynr == NO_SUCH_KEY) + if (ftb->state == UNINITIALIZED || ftb->keynr == NO_SUCH_KEY) return; ftb->state=INDEX_SEARCH; |