#
# 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;