MTR tests for galera sync wait up to

mysql-test/suite/galera/r/galera_last_committed_id.result

+connection node_2;
+connection node_1;
+SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';
+WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1'
+1
+wsrep_last_committed_id_match
+1
+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_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1'
+1
+connection node_1a;
+INSERT INTO t1 VALUES (1);
+connection node_1;
+wsrep_last_committed_id_match
+1
+SET AUTOCOMMIT=OFF;
+START TRANSACTION;
+SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';
+WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1'
+1
+INSERT INTO t1 VALUES (1);
+SELECT WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1';
+WSREP_LAST_WRITTEN_GTID() = '00000000-0000-0000-0000-000000000000:-1'
+1
+wsrep_last_committed_id_match
+1
+COMMIT;
+wsrep_last_committed_id_advanced
+1
+wsrep_last_committed_id_advanced
+1
+SET AUTOCOMMIT=ON;
+DROP TABLE t1;

mysql-test/suite/galera/r/galera_sync_wait_upto.result

+connection node_2;
+connection node_1;
+CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1);
+SELECT WSREP_SYNC_WAIT_UPTO_GTID(NULL);
+ERROR HY000: Incorrect arguments to wsrep_sync_wait_upto_gtid
+SELECT WSREP_SYNC_WAIT_UPTO_GTID('a');
+ERROR HY000: Incorrect arguments to wsrep_sync_wait_upto_gtid
+SELECT WSREP_SYNC_WAIT_UPTO_GTID(2);
+ERROR HY000: Incorrect arguments to wsrep_sync_wait_upto_gtid
+WSREP_SYNC_WAIT_UPTO
+1
+WSREP_SYNC_WAIT_UPTO
+1
+WSREP_SYNC_WAIT_UPTO
+1
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+connection node_2;
+SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_cb";
+connection node_1;
+INSERT INTO t1 VALUES (2);
+INSERT INTO t1 VALUES (3);
+connection node_2;
+SET SESSION wsrep_sync_wait = 0;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
+SET SESSION wsrep_sync_wait = 0;
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+connection node_2;
+WSREP_SYNC_WAIT_UPTO
+1
+gtid_current = gtid_first
+1
+SET GLOBAL DEBUG_DBUG = "";
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+WSREP_SYNC_WAIT_UPTO
+1
+seqno_current = seqno_second
+1
+SET DEBUG_SYNC = "RESET";
+connection node_1;
+DROP TABLE t1;

mysql-test/suite/galera/t/galera_last_committed_id.test

+#
+# 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;

mysql-test/suite/galera/t/galera_sync_wait_upto-master.opt

+--wsrep-sync-wait=0 --wsrep-causal-reads=OFF
\ No newline at end of file

mysql-test/suite/galera/t/galera_sync_wait_upto.test

+#
+# Tests the wsrep_sync_wait_upto variable.
+#
+
+--source include/galera_cluster.inc
+--source include/have_debug_sync.inc
+
+CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1);
+
+
+# Test with invalid values
+
+--error ER_WRONG_ARGUMENTS
+SELECT WSREP_SYNC_WAIT_UPTO_GTID(NULL);
+
+--error ER_WRONG_ARGUMENTS
+SELECT WSREP_SYNC_WAIT_UPTO_GTID('a');
+
+--error ER_WRONG_ARGUMENTS
+SELECT WSREP_SYNC_WAIT_UPTO_GTID(2);
+
+
+# If set to low value, expect no waiting
+
+--disable_query_log
+--let $seqno = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_last_committed'`
+--let $state = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_state_uuid'`
+--enable_query_log
+
+--disable_query_log
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('00000000-0000-0000-0000-000000000000:-1') AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+--disable_query_log
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$state:0') AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+
+# If set to current last_committed value
+
+--disable_query_log
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$state:$seqno') AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+
+# If set to very high value, will wait
+
+--disable_query_log
+--error ER_LOCK_WAIT_TIMEOUT
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$state:9223372036854775807', 1) AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+
+# If applier is blocked, will wait
+
+--connection node_2
+SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_cb";
+
+
+--connection node_1
+# Perform two inserts and record the IDs of each
+INSERT INTO t1 VALUES (2);
+--let $gtid_first = `SELECT WSREP_LAST_WRITTEN_GTID()`
+
+INSERT INTO t1 VALUES (3);
+--let $gtid_second = `SELECT WSREP_LAST_WRITTEN_GTID()`
+
+--connection node_2
+SET SESSION wsrep_sync_wait = 0;
+
+--disable_query_log
+--error ER_LOCK_WAIT_TIMEOUT
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$gtid_first', 1) AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+--disable_query_log
+--send_eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$gtid_first') AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+# Unblock applier
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2a
+SET SESSION wsrep_sync_wait = 0;
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO LIKE 'SELECT WSREP_SYNC_WAIT%';
+--source include/wait_condition.inc
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+
+--connection node_2
+--reap
+
+# Confirm that we were allowed to proceed when the applier reached $seqno_first
+--let $gtid_current = `SELECT WSREP_LAST_SEEN_GTID()`
+--disable_query_log
+--eval SELECT '$gtid_current' = '$gtid_first' AS `gtid_current = gtid_first`
+--enable_query_log
+
+SET GLOBAL DEBUG_DBUG = "";
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
+
+# Move forward some more, to $seqno_second;
+
+--disable_query_log
+--eval SELECT WSREP_SYNC_WAIT_UPTO_GTID('$gtid_second') AS WSREP_SYNC_WAIT_UPTO;
+--enable_query_log
+
+--let $gtid_current = `SELECT WSREP_LAST_SEEN_GTID()`
+--disable_query_log
+--eval SELECT '$gtid_current' = '$gtid_second' AS `seqno_current = seqno_second`
+--enable_query_log
+
+SET DEBUG_SYNC = "RESET";
+
+--connection node_1
+DROP TABLE t1;