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Current File : /www/server/mysql/mysql-test/suite/binlog/t/binlog_dmls_on_tmp_tables_readonly.test
# ==== Purpose ====
#
# Check that DMLs are allowed on temporary tables, when server is in read only
# mode and binary log is enabled with binlog-format being stmt/mixed mode.
#
# ==== Implementation ====
#
# Start the server with binary log being enabled. Mark the server as read only.
# Create a non-SUPER user and let the user to create a temporary table and
# perform DML operations on that temporary table. DMLs should not be blocked
# with a 'server read-only mode' error.
#
# ==== References ====
#
# Bug#12818255: READ-ONLY OPTION DOES NOT ALLOW INSERTS/UPDATES ON TEMPORARY
# TABLES
# Bug#14294223: CHANGES NOT ALLOWED TO TEMPORARY TABLES ON READ-ONLY SERVERS
###############################################################################
--source include/have_log_bin.inc
--disable_warnings
DROP TABLE IF EXISTS t1 ;
--enable_warnings

--enable_connect_log
--echo # READ_ONLY does nothing to SUPER users
--echo # so we use a non-SUPER one:
GRANT CREATE, SELECT, DROP ON *.* TO test@localhost;

connect (con1,localhost,test,,test);

connection default;
SET GLOBAL READ_ONLY=1;

connection con1;
CREATE TEMPORARY TABLE t1 (a INT) ENGINE=INNODB;

--echo # Test INSERTS with autocommit being off and on.
BEGIN;
INSERT INTO t1 VALUES (10);
COMMIT;
INSERT INTO t1 VALUES (20);

--echo # Test UPDATES with autocommit being off and on.
BEGIN;
UPDATE t1 SET a=30 WHERE a=10;
COMMIT;
UPDATE t1 SET a=40 WHERE a=20;

connection default;
SET GLOBAL READ_ONLY=0;

--echo # Test scenario where global read_only is enabled in the middle of transaction.
--echo # Test INSERT operations on temporary tables, INSERTs should be successful even
--echo # when global read_only is enabled.
connection con1;
BEGIN;
INSERT INTO t1 VALUES(50);

connection default;
SET GLOBAL READ_ONLY=1;

connection con1;
SELECT @@GLOBAL.READ_ONLY;
COMMIT;

connection default;
SET GLOBAL READ_ONLY=0;

--echo # Test UPDATE operations on temporary tables, UPDATEs should be successful even
--echo # when global read_only is enabled.
connection con1;
BEGIN;
UPDATE t1 SET a=60 WHERE a=50;

connection default;
SET GLOBAL READ_ONLY=1;

connection con1;
SELECT @@GLOBAL.READ_ONLY;
COMMIT;

SELECT * FROM t1;

--echo # Clean up
connection default;
SET GLOBAL READ_ONLY=0;

disconnect con1;
DROP USER test@localhost;
--disable_connect_log

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