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Add Master_gtid_wait_{count,time,timeouts} status

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MASTER_GTID_WAIT function needs some status to evaluate its use.

master_gtid_wait_count indicates how many times the function is called.
master_gtid_wait_time indicates how much time in microseconds occurred
waiting (or timing out)
master_gtid_timeouts indicates how many time times this function timed
out rather than all successful gtids events being available.
This commit is contained in:
Daniel Black
2015-03-12 06:43:38 +11:00
parent d61573d3e5
commit fa5809ce10
5 changed files with 82 additions and 3 deletions
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40
mysql-test/suite/rpl/r/rpl_gtid_basic.result
View File

@@ -231,6 +231,15 @@ NULL
SELECT master_gtid_wait('', NULL);
master_gtid_wait('', NULL)
0
SHOW STATUS LIKE 'Master_gtid_wait_count';
Variable_name Value
Master_gtid_wait_count 1
SHOW STATUS LIKE 'Master_gtid_wait_timeouts';
Variable_name Value
Master_gtid_wait_timeouts 0
SHOW STATUS LIKE 'Master_gtid_wait_time';
Variable_name Value
Master_gtid_wait_time 0
SELECT master_gtid_wait(@pos, 0.5);
master_gtid_wait(@pos, 0.5)
-1
@@ -271,13 +280,43 @@ SELECT master_gtid_wait('2-1-5');
SELECT master_gtid_wait('2-1-10');
SELECT master_gtid_wait('2-1-5,1-1-4,0-1-110');
SELECT master_gtid_wait('2-1-2');
SHOW STATUS LIKE 'Master_gtid_wait_timeouts';
Variable_name Value
Master_gtid_wait_timeouts 0
SHOW STATUS LIKE 'Master_gtid_wait_count';
Variable_name Value
Master_gtid_wait_count 3
SELECT master_gtid_wait('1-1-1');
master_gtid_wait('1-1-1')
0
SHOW STATUS LIKE 'Master_gtid_wait_timeouts';
Variable_name Value
Master_gtid_wait_timeouts 0
SHOW STATUS LIKE 'Master_gtid_wait_count';
Variable_name Value
Master_gtid_wait_count 4
SELECT MASTER_GTID_WAIT_TIME <= 1000000 AS Master_gtid_wait_less_than_second;
Master_gtid_wait_less_than_second
1
SELECT master_gtid_wait('0-1-109');
SHOW STATUS LIKE 'Master_gtid_wait_timeouts';
Variable_name Value
Master_gtid_wait_timeouts 0
SHOW STATUS LIKE 'Master_gtid_wait_count';
Variable_name Value
Master_gtid_wait_count 4
SELECT master_gtid_wait('2-1-2', 0.5);
master_gtid_wait('2-1-2', 0.5)
-1
SHOW STATUS LIKE 'Master_gtid_wait_timeouts';
Variable_name Value
Master_gtid_wait_timeouts 1
SHOW STATUS LIKE 'Master_gtid_wait_count';
Variable_name Value
Master_gtid_wait_count 5
SELECT MASTER_GTID_WAIT_TIME BETWEEN 500000 AND 3000000 AS Master_gtid_wait_time_between_half_and_3_seconds;
Master_gtid_wait_time_between_half_and_3_seconds
1
KILL QUERY KILL_ID;
ERROR 70100: Query execution was interrupted
SET gtid_domain_id=2;
@@ -433,6 +472,5 @@ a
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DROP TABLE t1;
include/rpl_end.inc