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MDEV-6858: enforce_storage_engine option

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Merge from Percona Server enforced use of a specific storage engine
authored by Stewart Smith.

Modified to be session variable and modifiable only by SUPER. Use
similar implementation as default_storage_engine.
This commit is contained in:
Jan Lindström 2015-03-10 08:28:51 +02:00
commit 8249dcaaeb
16 changed files with 351 additions and 2 deletions
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73
mysql-test/t/enforce_storage_engine.test Normal file
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-- source include/not_embedded.inc
--disable_warnings
drop table if exists t1;
--enable_warnings
SET SESSION enforce_storage_engine=MyISAM;
select @@session.enforce_storage_engine;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=Memory;
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10));
SHOW CREATE TABLE t1;
DROP TABLE t1;
SET SESSION sql_mode='NO_ENGINE_SUBSTITUTION';
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
INSERT INTO t1 values (1,'abba');
--error 1286
CREATE TABLE t2 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=Memory;
SET SESSION sql_mode='';
SET SESSION enforce_storage_engine=MyISAM;
select @@session.enforce_storage_engine;
select * from t1;
drop table t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10));
SHOW CREATE TABLE t1;
DROP TABLE t1;
--error 1286
SET SESSION enforce_storage_engine=FooBar;
select @@session.enforce_storage_engine;
--source include/add_anonymous_users.inc
connect (con1,localhost,user_1,,);
connection con1;
--error 1227
SET SESSION enforce_storage_engine=MyISAM;
disconnect con1;
connection default;
--source include/delete_anonymous_users.inc
SET SESSION enforce_storage_engine=NULL;
SET SESSION sql_mode='NO_ENGINE_SUBSTITUTION';
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=Memory;
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=MyISAM;
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10));
SHOW CREATE TABLE t1;
DROP TABLE t1;
--error 1228
SET GLOBAL enforce_storage_engine=NULL;