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MDEV-5309 - RENAME TABLE does not check for existence of the table's engine

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When RENAME TABLE is executed, it apparently does not check whether the engine
is available (unlike ALTER TABLE .. RENAME, which does). It means that if the
engine in question was not loaded on some reason, the table might become
unusable, since the engine won't know about the change.

With this patch RENAME TABLE fails if storage engine is not available.
This commit is contained in:
Sergey Vojtovich
2015-06-15 15:37:14 +04:00
parent b988553c52
commit 909f760701
4 changed files with 25 additions and 9 deletions
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10
mysql-test/r/plugin.result
View File

@ -321,3 +321,13 @@ UNUSABLE
uninstall soname 'ha_example';
select plugin_name from information_schema.plugins where plugin_library like 'ha_example%';
plugin_name
#
# MDEV-5309 - RENAME TABLE does not check for existence of the table's
# engine
#
INSTALL PLUGIN example SONAME 'ha_example';
CREATE TABLE t1(a INT) ENGINE=EXAMPLE;
UNINSTALL PLUGIN example;
RENAME TABLE t1 TO t2;
ERROR 42S02: Table 'test.t1' doesn't exist
DROP TABLE t1;