#
# Tests functions WSREP_LAST_WRITTEN_GTID and WSREP_LAST_SEEN_GTID
#

--source include/galera_cluster.inc

# Returns -1 if no transactions have been run

SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';

--disable_query_log
--let $seqno = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--let $state = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_uuid'`
--eval SELECT WSREP_LAST_SEEN_GTID() = '$state:$seqno' AS wsrep_last_committed_id_match;
--enable_query_log

# WSREP_LAST_WRITTEN_GTID() should not be influenced by transactions committed
# on other connections

--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
--connection node_1a
CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);

--connection node_1
SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';

# WSREP_LAST_SEEN_GTID() should be influenced by transactions committed
# on other connections

--connection node_1a
INSERT INTO t1 VALUES (1);
--disable_query_log
--let $wsrep_last_committed_id_conn_1a = `SELECT WSREP_LAST_SEEN_GTID()`
--enable_query_log

--connection node_1
--disable_query_log
--eval SELECT WSREP_LAST_SEEN_GTID() = '$wsrep_last_committed_id_conn_1a' AS wsrep_last_committed_id_match;
--enable_query_log

# Should not advance while a transaction is in progress

SET AUTOCOMMIT=OFF;
START TRANSACTION;
SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';

--disable_query_log
--let $wsrep_last_committed_id_before = `SELECT WSREP_LAST_SEEN_GTID()`
--enable_query_log
INSERT INTO t1 VALUES (1);
SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';
--disable_query_log
--eval SELECT WSREP_LAST_SEEN_GTID() = '$wsrep_last_committed_id_before' AS wsrep_last_committed_id_match;
--enable_query_log

# Should only advance after the transaction has been committed

COMMIT;
--disable_query_log
--let $seqno = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
--let $state = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_uuid'`
--eval SELECT WSREP_LAST_WRITTEN_GTID() = '$state:$seqno' AS wsrep_last_committed_id_advanced;
--eval SELECT WSREP_LAST_SEEN_GTID() = '$state:$seqno' AS wsrep_last_committed_id_advanced;
--enable_query_log
SET AUTOCOMMIT=ON;

DROP TABLE t1;