diff options
| -rw-r--r-- | mysql-test/r/fulltext.result | 20 | ||||
| -rw-r--r-- | mysql-test/t/fulltext.test | 21 | ||||
| -rw-r--r-- | storage/myisam/ft_boolean_search.c | 12 |
3 files changed, 52 insertions, 1 deletions
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result index f65823518d4..9c69f7fd88e 100644 --- a/mysql-test/r/fulltext.result +++ b/mysql-test/r/fulltext.result @@ -603,6 +603,26 @@ WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE) count(*) 0 DROP TABLE t1,t2,t3; +CREATE TABLE t1 (a VARCHAR(4), FULLTEXT(a)); +INSERT INTO t1 VALUES +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('awrd'),('cwrd'), +('awrd'); +SELECT COUNT(*) FROM t1 WHERE MATCH(a) AGAINST("+awrd bwrd* +cwrd*" IN BOOLEAN MODE); +COUNT(*) +0 +DROP TABLE t1; # # Bug #49445: Assertion failed: 0, file .\item_row.cc, line 55 with # fulltext search and row op diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test index 57a90483ea9..afaabb781b8 100644 --- a/mysql-test/t/fulltext.test +++ b/mysql-test/t/fulltext.test @@ -544,6 +544,27 @@ SELECT count(*) FROM t1 WHERE DROP TABLE t1,t2,t3; +# +# BUG#50351 - ft_min_word_len=2 Causes query to hang +# +CREATE TABLE t1 (a VARCHAR(4), FULLTEXT(a)); +INSERT INTO t1 VALUES +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'), +('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('awrd'),('cwrd'), +('awrd'); +SELECT COUNT(*) FROM t1 WHERE MATCH(a) AGAINST("+awrd bwrd* +cwrd*" IN BOOLEAN MODE); +DROP TABLE t1; --echo # --echo # Bug #49445: Assertion failed: 0, file .\item_row.cc, line 55 with diff --git a/storage/myisam/ft_boolean_search.c b/storage/myisam/ft_boolean_search.c index 492261c5efc..52ad6b11aa1 100644 --- a/storage/myisam/ft_boolean_search.c +++ b/storage/myisam/ft_boolean_search.c @@ -437,8 +437,18 @@ static int _ft2_search(FTB *ftb, FTB_WORD *ftbw, my_bool init_search) return 0; } - /* going up to the first-level tree to continue search there */ + /* + Going up to the first-level tree to continue search there. + Only done when performing prefix search. + + Key buffer data pointer as well as docid[0] may be smaller + than values we got while searching first-level tree. Thus + they must be restored to original values to avoid dead-loop, + when subsequent search for a bigger value eventually ends up + in this same second-level tree. + */ _mi_dpointer(info, (uchar*) (lastkey_buf+HA_FT_WLEN), ftbw->key_root); + ftbw->docid[0]= ftbw->key_root; ftbw->key_root=info->s->state.key_root[ftb->keynr]; ftbw->keyinfo=info->s->keyinfo+ftb->keynr; ftbw->off=0; |