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# ==== Purpose ====
#
# This test will execute an empty statement before setting GTID_NEXT session
# variable. It will use both ANONYMOUS and specific GTIDs, with both GTID_MODE
# equal to OFF and ON.
#
# As an empty statement should be considered an "innocent" statement from the
# GTID execution point of view (it doesn't change the database), it should be
# possible to execute a SET GTID_NEXT right after the empty statement without
# errors.
#
# ==== Related Bugs and Worklogs ====
#
# BUG#22811150 SQLCOM_EMPTY_QUERY should be considered GTID innocent
#

# Test is not required to run against embedded server
--source include/not_embedded.inc

USE test;

# With anonymous GTIDs
--source include/set_gtid_next.inc
CREATE TABLE t1 (c1 INT);
# This statement should be considered an empty statement
/*!99999 SET @@SESSION.non_supported_session_variable = 1*/;
--source include/set_gtid_next.inc
INSERT INTO t1 VALUES (1);
# This statement should be considered an empty statement
/*!99999 SET @@SESSION.non_supported_session_variable = 1*/;
--source include/set_gtid_next.inc
DROP TABLE t1;

# Sets GTID_MODE to ON for the second part of the test
--let $rpl_gtid_mode= ON
--let $rpl_set_enforce_gtid_consistency= 1
--let $rpl_server_numbers= 1
--let $rpl_skip_sync= 1
--source include/rpl_set_gtid_mode.inc

# Just in case that the server has some GTID_EXECUTED
SET GTID_NEXT='AUTOMATIC';
RESET MASTER;

# With non-anonymous GTIDs
--source include/set_gtid_next.inc
CREATE TABLE t2 (c1 INT);
# This statement should be considered an empty statement
/*!99999 SET @@SESSION.non_supported_session_variable = 1*/;
--source include/set_gtid_next.inc
INSERT INTO t2 VALUES (1);
# This statement should be considered an empty statement
/*!99999 SET @@SESSION.non_supported_session_variable = 1*/;
--source include/set_gtid_next.inc
DROP TABLE t2;

# Cleanup
SET GTID_NEXT='AUTOMATIC';
--let $rpl_gtid_mode= OFF
--let $rpl_set_enforce_gtid_consistency= 0
--source include/rpl_set_gtid_mode.inc