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95 lines
2 KiB
Text
95 lines
2 KiB
Text
--source include/have_innodb.inc
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#
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# create test-bed to run test
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#
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use test;
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (id int primary key, value int, value2 int,
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value3 int, index(value,value2)) engine=innodb;
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insert into t1 values
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(10,10,10,10),(11,11,11,11),(12,12,12,12),(13,13,13,13),(14,14,14,14),
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(15,15,15,15),(16,16,16,16),(17,17,17,17),(18,18,18,18),(19,19,19,19),
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(20,20,20,20);
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let $ID= `SELECT @id := CONNECTION_ID()`;
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#
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# we need multiple connections as we need to keep one connection
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# active with trx requesting consistent read.
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#
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connect (conn1, localhost, root,,);
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connect (conn2, localhost, root,,);
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connect (conn3, localhost, root,,);
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#
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# start trx with consistent read
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#
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connection conn1;
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use test;
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start transaction with consistent snapshot;
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#
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# update table such that secondary index is updated.
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#
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connection conn2;
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use test;
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delimiter |;
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CREATE PROCEDURE update_t1()
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BEGIN
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DECLARE i INT DEFAULT 1;
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while (i <= 5000) DO
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update test.t1 set value2=value2+1, value3=value3+1 where id=12;
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SET i = i + 1;
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END WHILE;
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END|
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delimiter ;|
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set autocommit=0;
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CALL update_t1();
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select * from t1;
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set autocommit=1;
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select * from t1;
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#
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# Now try to fire select query from connection-1 enforcing
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# use of secondary index.
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#
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connection conn1;
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let $ID= `SELECT @id := CONNECTION_ID()`;
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#--error ER_QUERY_INTERRUPTED
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--send
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select * from t1 force index(value) where value=12;
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#
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# select is going to take good time so let's kill query.
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#
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connection conn3;
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let $wait_condition=
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select * from information_schema.processlist where state = 'Sending data' and
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info = 'select * from t1 force index(value) where value=12';
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--source include/wait_condition.inc
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let $ignore= `SELECT @id := $ID`;
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kill query @id;
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#
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# reap the value of connection-1
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#
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connection conn1;
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--error ER_QUERY_INTERRUPTED
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reap;
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#
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# clean test-bed.
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#
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connection default;
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disconnect conn1;
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disconnect conn2;
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disconnect conn3;
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drop procedure if exists update_t1;
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drop table if exists t1;
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