Current File : //usr/share/mysql-test/r/trans_read_only.result
#
# WL#5968: Implement START TRANSACTION READ (WRITE|ONLY);
#
#
# Test9: The --transaction-read-only startup option.
# Check that the option was set by the .opt file.
SELECT @@tx_read_only;
@@tx_read_only
1
# Also for new connections. Switching to con1
SELECT @@tx_read_only;
@@tx_read_only
1
SET SESSION TRANSACTION READ WRITE;
SELECT @@tx_read_only;
@@tx_read_only
0
# Connection default
SELECT @@tx_read_only;
@@tx_read_only
1
#
# Test 10: SET TRANSACTION / START TRANSACTION + implicit commit.
SET SESSION TRANSACTION READ WRITE;
SET TRANSACTION READ ONLY;
# Since DDL does implicit commit before starting, SET TRANSACTION
# will have no effect because the "next" transaction will already
# be over before the DDL statement starts.
CREATE TABLE t1 (a INT);
START TRANSACTION READ ONLY;
# The same happens with START TRANSACTION
DROP TABLE t1;
#
# Test 11: INSERT DELAYED
CREATE TABLE t1(a INT);
START TRANSACTION READ ONLY;
INSERT DELAYED INTO t1 VALUES (1);
ERROR 25006: Cannot execute statement in a READ ONLY transaction.
COMMIT;
DROP TABLE t1;
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