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main.alter_table_lock could fail with query "'LOCK TABLE t1 WRITE' failed"

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Backported fix from MariaDB 10.5
This commit is contained in:
Monty 2022-05-24 15:11:34 +03:00
parent ddb1f7c4e4
commit 915afddba2
2 changed files with 4 additions and 2 deletions

2
mysql-test/main/alter_table_lock.result
View file

@ -11,8 +11,6 @@ ERROR 42S02: Table 'test.x' doesn't exist
SET SESSION max_session_mem_used= 8192;
LOCK TABLE t1 WRITE;
ALTER TABLE t1 CHANGE COLUMN IF EXISTS b c INT;
Warnings:
Note 1054 Unknown column 'b' in 't1'
SET SESSION max_session_mem_used = @max_session_mem_used_save;
UNLOCK TABLES;
DROP TABLE t1;

4
mysql-test/main/alter_table_lock.test
View file

@ -14,9 +14,13 @@ SELECT * FROM t1;
ALTER TABLE x MODIFY xx INT;
SET SESSION max_session_mem_used= 8192;
--error 0,ER_OPTION_PREVENTS_STATEMENT
LOCK TABLE t1 WRITE;
--disable_warnings
--error 0,ER_OPTION_PREVENTS_STATEMENT
ALTER TABLE t1 CHANGE COLUMN IF EXISTS b c INT;
--enable_warnings
SET SESSION max_session_mem_used = @max_session_mem_used_save;
UNLOCK TABLES;