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386 lines
8.8 KiB
386 lines
8.8 KiB
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# Skipping the test when binlog format is mix/statement due to Bug#22173401
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--source include/have_binlog_format_row.inc
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# Test of the READ_ONLY global variable:
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# check that it blocks updates unless they are only on temporary tables.
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set @start_read_only= @@global.read_only;
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1,t2,t3;
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--enable_warnings
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# READ_ONLY does nothing to SUPER users
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# so we use a non-SUPER one:
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set @orig_sql_mode= @@sql_mode;
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create user test@localhost;
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grant CREATE, SELECT, DROP on *.* to test@localhost;
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--echo connect (con1,localhost,test,,test);
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connect (con1,localhost,test,,test);
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--echo connection default;
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connection default;
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set global read_only=0;
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--echo connection con1;
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connection con1;
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create table t1 (a int);
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insert into t1 values(1);
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create table t2 select * from t1;
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--echo connection default;
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connection default;
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set global read_only=1;
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# We check that SUPER can:
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create table t3 (a int);
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drop table t3;
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--echo connection con1;
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connection con1;
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select @@global.read_only;
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--error ER_OPTION_PREVENTS_STATEMENT
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create table t3 (a int);
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--error ER_OPTION_PREVENTS_STATEMENT
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insert into t1 values(1);
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# if a statement, after parse stage, looks like it will update a
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# non-temp table, it will be rejected, even if at execution it would
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# have turned out that 0 rows would be updated
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--error ER_OPTION_PREVENTS_STATEMENT
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update t1 set a=1 where 1=0;
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# multi-update is special (see sql_parse.cc) so we test it
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--error ER_OPTION_PREVENTS_STATEMENT
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update t1,t2 set t1.a=t2.a+1 where t1.a=t2.a;
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# check multi-delete to be sure
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--error ER_OPTION_PREVENTS_STATEMENT
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delete t1,t2 from t1,t2 where t1.a=t2.a;
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# With temp tables updates should be accepted:
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create temporary table t3 (a int);
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create temporary table t4 (a int) select * from t3;
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insert into t3 values(1);
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insert into t4 select * from t3;
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# a non-temp table updated:
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--error ER_OPTION_PREVENTS_STATEMENT
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update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
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# no non-temp table updated (just swapped):
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update t1,t3 set t3.a=t1.a+1 where t1.a=t3.a;
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update t4,t3 set t4.a=t3.a+1 where t4.a=t3.a;
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--error ER_OPTION_PREVENTS_STATEMENT
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delete t1 from t1,t3 where t1.a=t3.a;
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delete t3 from t1,t3 where t1.a=t3.a;
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delete t4 from t3,t4 where t4.a=t3.a;
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# and even homonymous ones
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create temporary table t1 (a int);
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insert into t1 values(1);
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update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
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delete t1 from t1,t3 where t1.a=t3.a;
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drop table t1;
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--error ER_OPTION_PREVENTS_STATEMENT
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insert into t1 values(1);
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#
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# Bug#11733 COMMITs should not happen if read-only is set
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#
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# LOCK TABLE ... WRITE / READ_ONLY
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# - is an error in the same connection
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# - is ok in a different connection
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--echo connection default;
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connection default;
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set global read_only=0;
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lock table t1 write;
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--echo connection con1;
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connection con1;
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lock table t2 write;
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--echo connection default;
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connection default;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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set global read_only=1;
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unlock tables ;
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# The following call blocks until con1 releases the write lock.
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# Blocking is expected.
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--echo send set global read_only=1;
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send set global read_only=1;
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--echo connection con1;
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connection con1;
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select @@global.read_only;
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unlock tables ;
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let $wait_condition= SELECT @@global.read_only= 1;
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--source include/wait_condition.inc
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select @@global.read_only;
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--echo connection default;
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connection default;
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--echo reap;
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reap;
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# LOCK TABLE ... READ / READ_ONLY
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# - is an error in the same connection
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# - is ok in a different connection
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--echo connection default;
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connection default;
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set global read_only=0;
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lock table t1 read;
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--echo connection con1;
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connection con1;
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lock table t2 read;
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--echo connection default;
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connection default;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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set global read_only=1;
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unlock tables ;
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# after unlock tables in current connection
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# the next command must be executed successfully
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set global read_only=1;
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select @@global.read_only;
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--echo connection con1;
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connection con1;
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select @@global.read_only;
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unlock tables ;
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--echo connection default;
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connection default;
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# pending transaction / READ_ONLY
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# - is an error in the same connection
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# - is ok in a different connection
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--echo connection default;
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connection default;
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set global read_only=0;
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BEGIN;
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--echo connection con1;
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connection con1;
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BEGIN;
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--echo connection default;
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connection default;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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set global read_only=1;
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ROLLBACK;
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set global read_only=1;
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--echo connection con1;
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connection con1;
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select @@global.read_only;
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ROLLBACK;
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# Verify that FLUSH TABLES WITH READ LOCK do not block READ_ONLY
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# - in the same SUPER connection
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# - in another SUPER connection
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--echo connection default;
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connection default;
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set global read_only=0;
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flush tables with read lock;
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set global read_only=1;
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unlock tables;
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--echo connect (root2,localhost,root,,test);
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connect (root2,localhost,root,,test);
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--echo connection default;
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connection default;
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set global read_only=0;
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flush tables with read lock;
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--echo connection root2;
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connection root2;
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set global read_only=1;
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--echo connection default;
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connection default;
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select @@global.read_only;
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unlock tables;
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disconnect root2;
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# Bug#22077 DROP TEMPORARY TABLE fails with wrong error if read_only is set
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#
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# check if DROP TEMPORARY on a non-existing temporary table returns the right
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# error
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--error ER_BAD_TABLE_ERROR
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drop temporary table ttt;
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# check if DROP TEMPORARY TABLE IF EXISTS produces a warning with read_only set
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drop temporary table if exists ttt;
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#
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# Cleanup
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#
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--echo connection default;
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connection default;
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set global read_only=0;
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disconnect con1;
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drop table t1,t2;
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drop user test@localhost;
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--echo #
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--echo # Bug#27440 read_only allows create and drop database
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--echo #
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set global read_only= 1;
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--disable_warnings
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drop database if exists mysqltest_db1;
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drop database if exists mysqltest_db2;
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--enable_warnings
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delete from mysql.user where User like 'mysqltest_%';
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delete from mysql.db where User like 'mysqltest_%';
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delete from mysql.tables_priv where User like 'mysqltest_%';
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delete from mysql.columns_priv where User like 'mysqltest_%';
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flush privileges;
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create user `mysqltest_u1`@`%`;
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grant all on mysqltest_db2.* to `mysqltest_u1`@`%`;
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create database mysqltest_db1;
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grant all on mysqltest_db1.* to `mysqltest_u1`@`%`;
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flush privileges;
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--echo connect (con_bug27440,127.0.0.1,mysqltest_u1,,test,MASTER_MYPORT,);
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connect (con_bug27440,127.0.0.1,mysqltest_u1,,test,$MASTER_MYPORT,);
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--echo connection con_bug27440;
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connection con_bug27440;
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--error ER_OPTION_PREVENTS_STATEMENT
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create database mysqltest_db2;
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show databases like '%mysqltest_db2%';
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--error ER_OPTION_PREVENTS_STATEMENT
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drop database mysqltest_db1;
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--echo disconnect con_bug27440;
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disconnect con_bug27440;
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--echo connection default;
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connection default;
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delete from mysql.user where User like 'mysqltest_%';
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delete from mysql.db where User like 'mysqltest_%';
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delete from mysql.tables_priv where User like 'mysqltest_%';
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delete from mysql.columns_priv where User like 'mysqltest_%';
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flush privileges;
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drop database mysqltest_db1;
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set global read_only= @start_read_only;
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--echo #
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--echo # WL#5968 Implement START TRANSACTION READ (WRITE|ONLY);
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--echo #
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--echo #
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--echo # Test interaction with read_only system variable.
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1(a INT);
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INSERT INTO t1 VALUES (1), (2);
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CREATE USER user1;
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connect (con1, localhost, user1);
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connection default;
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SET GLOBAL read_only= 1;
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--echo # All allowed with super privilege
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START TRANSACTION;
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COMMIT;
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START TRANSACTION READ ONLY;
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COMMIT;
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START TRANSACTION READ WRITE;
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COMMIT;
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--echo # We allow implicit RW transaction without super privilege
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--echo # for compatibility reasons
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connection con1;
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START TRANSACTION;
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--echo # Check that table updates are still disallowed.
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--error ER_OPTION_PREVENTS_STATEMENT
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INSERT INTO t1 VALUES (3);
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--error ER_OPTION_PREVENTS_STATEMENT
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UPDATE t1 SET a= 1;
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--error ER_OPTION_PREVENTS_STATEMENT
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DELETE FROM t1;
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COMMIT;
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START TRANSACTION READ ONLY;
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COMMIT;
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--echo # Explicit RW trans is not allowed without super privilege
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--error ER_OPTION_PREVENTS_STATEMENT
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START TRANSACTION READ WRITE;
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COMMIT;
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disconnect con1;
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--source include/wait_until_disconnected.inc
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connection default;
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DROP USER user1;
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SET GLOBAL read_only= 0;
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DROP TABLE t1;
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set sql_mode= @orig_sql_mode;
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--echo #
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--echo # Bug#28490368 INNODB: ASSERTION FAILURE: DICT0DD.CC:1071:!FAIL
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--echo #
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CREATE TABLE t1(f1 INT);
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CREATE TEMPORARY TABLE t1(a1 INT);
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CREATE TEMPORARY TABLE t3(a3 INT);
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SET @@global.super_read_only=TRUE;
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# Without the fix, the RENAME TABLE asserts in innodb, as innodb expects us
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# to not request update operation in super_read_only mode.
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--error ER_OPTION_PREVENTS_STATEMENT
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RENAME TABLE t1 to t3;
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SET @@global.read_only=default;
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DROP TABLE t1;
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DROP TABLE t1;
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DROP TABLE t3;
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# Wait till all disconnects are completed
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--source include/wait_until_count_sessions.inc
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