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242 lines
7.9 KiB
Plaintext
242 lines
7.9 KiB
Plaintext
################################################################################
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# #
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# Variable Name: delayed_insert_limit #
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# Scope: GLOBAL #
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# Access Type: Dynamic #
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# Data Type: Numeric #
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# Default Value: 100 #
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# Range: 1 - 4294967295 #
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# #
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# #
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# Creation Date: 2008-02-25 #
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# Author: Sharique Abdullah #
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# Modified: HHunger 2009-02-26 Replaced 2 sleeps by wait conditions #
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# Modified: mleich 2009-03-18 Partially reimplemented #
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# #
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# Description: Test Cases of Dynamic System Variable "delayed_insert_limit" #
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# that checks behavior of this variable in the following ways #
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# * Functionality based on different values #
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# #
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# Reference: #
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# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
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# #
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################################################################################
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--echo ** Setup **
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--echo
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#
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# Setup
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#
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--source include/not_embedded.inc
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connect (con0,localhost,root,,);
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let $con0_id=`SELECT CONNECTION_ID()`;
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connect (con1,localhost,root,,);
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let $con1_id=`SELECT CONNECTION_ID()`;
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connection default;
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SET @global_delayed_insert_limit = @@GLOBAL.delayed_insert_limit;
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#
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# Create Table
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#
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CREATE TABLE t1 (a VARCHAR(100),b VARCHAR(100),c VARCHAR(100));
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CREATE VIEW v1 as select * from t1;
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--echo '#--------------------FN_DYNVARS_25_01-------------------------#'
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# delayed_insert_limit is smaller than the number of inserted rows
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SET GLOBAL delayed_insert_limit = 14;
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INSERT INTO t1 VALUES('1','1','1');
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INSERT INTO t1 VALUES('2','1','1');
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INSERT INTO t1 VALUES('3','1','1');
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INSERT INTO t1 VALUES('4','1','1');
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INSERT INTO t1 VALUES('5','1','1');
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INSERT INTO t1 VALUES('6','1','1');
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LOCK TABLE v1 WRITE;
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connection con1;
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delimiter |;
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send
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INSERT DELAYED INTO t1 VALUES('7','1','1');
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INSERT DELAYED INTO t1 VALUES('8','1','1');
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INSERT DELAYED INTO t1 VALUES('9','1','1');
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INSERT DELAYED INTO t1 VALUES('10','1','1');
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INSERT DELAYED INTO t1 VALUES('11','1','1');
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INSERT DELAYED INTO t1 VALUES('12','1','1');
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INSERT DELAYED INTO t1 VALUES('13','1','1');
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INSERT DELAYED INTO t1 VALUES('14','1','1');
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INSERT DELAYED INTO t1 VALUES('15','1','1');
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INSERT DELAYED INTO t1 VALUES('16','1','1');
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INSERT DELAYED INTO t1 VALUES('17','1','1');
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INSERT DELAYED INTO t1 VALUES('18','1','1');
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INSERT DELAYED INTO t1 VALUES('19','1','1');
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INSERT DELAYED INTO t1 VALUES('20','1','1');
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INSERT DELAYED INTO t1 VALUES('21','1','1');
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INSERT DELAYED INTO t1 VALUES('22','1','1');
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INSERT DELAYED INTO t1 VALUES('23','1','1');
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INSERT DELAYED INTO t1 VALUES('24','1','1');
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INSERT DELAYED INTO t1 VALUES('25','1','1');
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INSERT DELAYED INTO t1 VALUES('26','1','1');
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INSERT DELAYED INTO t1 VALUES('27','1','1');
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INSERT DELAYED INTO t1 VALUES('28','1','1');
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INSERT DELAYED INTO t1 VALUES('29','1','1');
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INSERT DELAYED INTO t1 VALUES('30','1','1');
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INSERT DELAYED INTO t1 VALUES('31','1','1');
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INSERT DELAYED INTO t1 VALUES('32','1','1');
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INSERT DELAYED INTO t1 VALUES('33','1','1');
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INSERT DELAYED INTO t1 VALUES('34','1','1');
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INSERT DELAYED INTO t1 VALUES('35','1','1');
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INSERT DELAYED INTO t1 VALUES('36','1','1');
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INSERT DELAYED INTO t1 VALUES('37','1','1');
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INSERT DELAYED INTO t1 VALUES('38','1','1');
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INSERT DELAYED INTO t1 VALUES('39','1','1');
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INSERT DELAYED INTO t1 VALUES('40','1','1');
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INSERT DELAYED INTO t1 VALUES('41','1','1');
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INSERT DELAYED INTO t1 VALUES('42','1','1');
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INSERT DELAYED INTO t1 VALUES('43','1','1');|
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delimiter ;|
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connection con0;
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let $wait_condition=
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SELECT variable_value > @@global.delayed_insert_limit
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FROM information_schema.global_status
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WHERE variable_name like 'Not_flushed_delayed_rows';
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--source include/wait_condition.inc
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let $my_select= SELECT COUNT(*) FROM t1;
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send;
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eval $my_select;
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connection default;
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--echo ** Wait till con0 is blocked **
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let $wait_condition=
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SELECT COUNT(*) = 1 FROM information_schema.processlist
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WHERE state = 'Waiting for table level lock' AND info = '$my_select';
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--source include/wait_condition.inc
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UNLOCK TABLES;
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connection con1;
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--echo Asynchronous "reap" result
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reap;
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connection con0;
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--echo Asynchronous "reap" result
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--echo The next result suffers from
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--echo '# Bug#35386 insert delayed inserts 1 + limit rows instead of just limit rows'
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#
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# on UNLOCK TABLES both SELECT in the con0 and delayed insert thread in the
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# con1 were awaken. There's no FIFO for TL_WRITE_DELAYED and TL_READ,
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# so either the first delayed_insert_limit rows will be inserted
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# before select (which will see 21 row) or select will go first (and see 6 rows)
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#
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--replace_result 6 21
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reap;
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connection default;
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let $wait_condition= SELECT count(*) = 43 FROM t1;
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--source include/wait_condition.inc
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--echo Checking if the delayed insert continued afterwards
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SELECT COUNT(*) FROM t1;
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DROP TABLE t1;
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DROP VIEW v1;
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--echo '#--------------------FN_DYNVARS_25_02-------------------------#'
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# delayed_insert_limit is bigger than the number of inserted rows
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CREATE TABLE t1 (a VARCHAR(100));
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CREATE VIEW v1 AS SELECT * FROM t1;
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SET GLOBAL delayed_insert_limit = 20;
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INSERT INTO t1 VALUES('1');
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INSERT INTO t1 VALUES('2');
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INSERT INTO t1 VALUES('3');
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INSERT INTO t1 VALUES('4');
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INSERT INTO t1 VALUES('5');
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INSERT INTO t1 VALUES('6');
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LOCK TABLE v1 WRITE;
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connection con1;
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--echo Asynchronous execute
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delimiter |;
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send
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INSERT DELAYED INTO t1 VALUES('7');
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INSERT DELAYED INTO t1 VALUES('8');
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INSERT DELAYED INTO t1 VALUES('9');
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INSERT DELAYED INTO t1 VALUES('10');
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INSERT DELAYED INTO t1 VALUES('11');
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INSERT DELAYED INTO t1 VALUES('12');
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INSERT DELAYED INTO t1 VALUES('13');
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INSERT DELAYED INTO t1 VALUES('14');
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INSERT DELAYED INTO t1 VALUES('15');
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INSERT DELAYED INTO t1 VALUES('16');
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INSERT DELAYED INTO t1 VALUES('17');
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INSERT DELAYED INTO t1 VALUES('18');
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INSERT DELAYED INTO t1 VALUES('19');
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INSERT DELAYED INTO t1 VALUES('20');
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INSERT DELAYED INTO t1 VALUES('21');
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INSERT DELAYED INTO t1 VALUES('22');|
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delimiter ;|
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connection con0;
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let $wait_condition=
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SELECT variable_value > 0 FROM information_schema.global_status
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WHERE variable_name like 'Not_flushed_delayed_rows';
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--source include/wait_condition.inc
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--echo Asynchronous execute
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# Due to performance and server behaveiour the test observes values between 6 and 22.
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# In any case the value must not be outside of that range.
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let $my_select= SELECT COUNT(*) BETWEEN 6 AND 22 FROM t1;
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send;
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eval $my_select;
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connection default;
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--echo ** Wait till con0 is blocked **
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let $wait_condition=
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SELECT COUNT(*) = 1 FROM information_schema.processlist
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WHERE state = 'Waiting for table level lock' AND info = '$my_select';
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--source include/wait_condition.inc
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UNLOCK TABLES;
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connection con1;
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reap;
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connection con0;
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--echo Asynchronous "reap" result
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reap;
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connection default;
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--echo Checking if the delayed insert gives the same result afterwards
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eval $my_select;
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#
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# Cleanup
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#
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connection default;
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DROP TABLE t1;
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DROP VIEW v1;
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SET @@GLOBAL.delayed_insert_limit = @global_delayed_insert_limit;
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disconnect con0;
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disconnect con1;
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let $wait_condition=
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SELECT COUNT(*) = 0 FROM information_schema.processlist
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WHERE id IN ($con0_id,$con1_id);
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--source include/wait_condition.inc
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