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Merge of fix for Bug#54543. Test case only (bug is not present in this tree).

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This commit is contained in:
Martin Hansson 2010-09-07 10:00:52 +02:00
commit 3825f36429
2 changed files with 41 additions and 0 deletions
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20
mysql-test/r/multi_update.result
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@ -649,4 +649,24 @@ SET SESSION sql_safe_updates = 1;
UPDATE IGNORE t1, t1 t1a SET t1.a = 1 WHERE t1a.a = 1;
ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
DROP TABLE t1;
#
# Bug#54543: update ignore with incorrect subquery leads to assertion
# failure: inited==INDEX
#
SET SESSION sql_safe_updates = 0;
CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1), (2);
CREATE TABLE t2 ( a INT );
INSERT INTO t2 VALUES (1), (2);
CREATE TABLE t3 ( a INT );
INSERT INTO t3 VALUES (1), (2);
# Should not crash
UPDATE IGNORE
( SELECT ( SELECT COUNT(*) FROM t1 GROUP BY a, @v ) a FROM t2 ) x, t3
SET t3.a = 0;
Warnings:
Error 1242 Subquery returns more than 1 row
Error 1242 Subquery returns more than 1 row
DROP TABLE t1, t2, t3;
SET SESSION sql_safe_updates = DEFAULT;
end of tests

21
mysql-test/t/multi_update.test
View File

@ -650,5 +650,26 @@ SET SESSION sql_safe_updates = 1;
UPDATE IGNORE t1, t1 t1a SET t1.a = 1 WHERE t1a.a = 1;
DROP TABLE t1;
--echo #
--echo # Bug#54543: update ignore with incorrect subquery leads to assertion
--echo # failure: inited==INDEX
--echo #
SET SESSION sql_safe_updates = 0;
CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1), (2);
CREATE TABLE t2 ( a INT );
INSERT INTO t2 VALUES (1), (2);
CREATE TABLE t3 ( a INT );
INSERT INTO t3 VALUES (1), (2);
--echo # Should not crash
UPDATE IGNORE
( SELECT ( SELECT COUNT(*) FROM t1 GROUP BY a, @v ) a FROM t2 ) x, t3
SET t3.a = 0;
DROP TABLE t1, t2, t3;
SET SESSION sql_safe_updates = DEFAULT;
--echo end of tests