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BUG#42907 - Multi-term boolean fulltext query containing a

Browse Source 
single quote fails in 5.1.x

Performing fulltext prefix search (a word with truncation
operator) may cause a dead-loop.

The problem was in smarter index merge algorithm - it was writing
record reference to an incorrect memory area.

mysql-test/r/fulltext.result:
  A test case for BUG#42907.
mysql-test/t/fulltext.test:
  A test case for BUG#42907.
storage/myisam/ft_boolean_search.c:
  Fixed incorrect memory update by _mi_dpointer() when performing
  fulltext prefix search.
This commit is contained in:
Sergey Vojtovich
2009-04-23 16:24:08 +05:00
parent e0526914b6
commit 509a9cee1c
3 changed files with 36 additions and 2 deletions
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8
mysql-test/r/fulltext.result
View File

@ -535,3 +535,11 @@ CREATE TABLE t1(a TEXT);
SELECT GROUP_CONCAT(a) AS st FROM t1 HAVING MATCH(st) AGAINST('test' IN BOOLEAN MODE);
ERROR HY000: Incorrect arguments to AGAINST
DROP TABLE t1;
CREATE TABLE t1(a VARCHAR(64), FULLTEXT(a));
INSERT INTO t1 VALUES('awrd bwrd cwrd'),('awrd bwrd cwrd'),('awrd bwrd cwrd');
SELECT * FROM t1 WHERE MATCH(a) AGAINST('+awrd bwrd* +cwrd*' IN BOOLEAN MODE);
a
awrd bwrd cwrd
awrd bwrd cwrd
awrd bwrd cwrd
DROP TABLE t1;

9
mysql-test/t/fulltext.test
View File

@ -462,3 +462,12 @@ CREATE TABLE t1(a TEXT);
--error ER_WRONG_ARGUMENTS
SELECT GROUP_CONCAT(a) AS st FROM t1 HAVING MATCH(st) AGAINST('test' IN BOOLEAN MODE);
DROP TABLE t1;
#
# BUG#42907 - Multi-term boolean fulltext query containing a single
# quote fails in 5.1.x
#
CREATE TABLE t1(a VARCHAR(64), FULLTEXT(a));
INSERT INTO t1 VALUES('awrd bwrd cwrd'),('awrd bwrd cwrd'),('awrd bwrd cwrd');
SELECT * FROM t1 WHERE MATCH(a) AGAINST('+awrd bwrd* +cwrd*' IN BOOLEAN MODE);
DROP TABLE t1;