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MDEV-5153: Server crashes in Item_ref::fix_fields on 2nd execution of PS with LEFT JOIN and MERGE view or SELECT SQ

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1. Transformation of row IN subquery made the same as single value.
2. replace_where_subcondition() made working on several layers of OR/AND because it called on expression before fix_fields().
This commit is contained in:
unknown
2013-11-11 17:28:14 +02:00
parent c85db2c494
commit c98a054fde
5 changed files with 99 additions and 28 deletions
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31
mysql-test/r/view.result
View File

@ -4709,6 +4709,37 @@ q 1 q
q 1 q
drop view v1;
drop table t1,t2;
#
# MDEV-5153: Server crashes in Item_ref::fix_fields on 2nd execution
# of PS with LEFT JOIN and MERGE view or SELECT SQ
#
CREATE TABLE t1 (i1 INT, c1 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
CREATE TABLE t2 (c2 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('foobar'),('qux');
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1 ) IN ( SELECT c2 FROM t2 ) AND i1 <= 2 ;
PREPARE stmt FROM 'SELECT * FROM t1 LEFT JOIN v1 ON (v1.i1 = t1.i1)';
EXECUTE stmt;
i1 c1 i1 c1
1 foo NULL NULL
2 bar NULL NULL
EXECUTE stmt;
i1 c1 i1 c1
1 foo NULL NULL
2 bar NULL NULL
drop view v1;
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1, c1 ) IN ( SELECT c2, c2 FROM t2 ) AND i1 <= 2 ;
EXECUTE stmt;
i1 c1 i1 c1
1 foo NULL NULL
2 bar NULL NULL
EXECUTE stmt;
i1 c1 i1 c1
1 foo NULL NULL
2 bar NULL NULL
deallocate prepare stmt;
drop view v1;
drop table t1,t2;
# -----------------------------------------------------------------
# -- End of 5.3 tests.
# -----------------------------------------------------------------

28
mysql-test/t/view.test
View File

@ -4647,6 +4647,34 @@ SELECT * FROM t2 LEFT JOIN v1 ON ( c=b AND a IN ( 1,6 ) );
drop view v1;
drop table t1,t2;
--echo #
--echo # MDEV-5153: Server crashes in Item_ref::fix_fields on 2nd execution
--echo # of PS with LEFT JOIN and MERGE view or SELECT SQ
--echo #
CREATE TABLE t1 (i1 INT, c1 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
CREATE TABLE t2 (c2 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('foobar'),('qux');
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1 ) IN ( SELECT c2 FROM t2 ) AND i1 <= 2 ;
PREPARE stmt FROM 'SELECT * FROM t1 LEFT JOIN v1 ON (v1.i1 = t1.i1)';
EXECUTE stmt;
EXECUTE stmt;
drop view v1;
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1, c1 ) IN ( SELECT c2, c2 FROM t2 ) AND i1 <= 2 ;
EXECUTE stmt;
EXECUTE stmt;
deallocate prepare stmt;
drop view v1;
drop table t1,t2;
--echo # -----------------------------------------------------------------
--echo # -- End of 5.3 tests.
--echo # -----------------------------------------------------------------