95 lines
2.0 KiB
Plaintext
95 lines
2.0 KiB
Plaintext
--source suite/xengine/include/have_xengine.inc
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#
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# MyX-specific tests for locking
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#
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--source include/have_debug.inc
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--enable_connect_log
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create table t1 (pk int not null primary key) engine=xengine;
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insert into t1 values (1),(2),(3);
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set autocommit=0;
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begin;
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select * from t1 where pk=1 for update;
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--connect (con1,localhost,root,,)
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--connection con1
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call mtr.add_suppression("Got snapshot conflict errors");
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--echo ### Connection con1
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let $ID= `select connection_id()`;
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set @@xengine_lock_wait_timeout=500;
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set autocommit=0;
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begin;
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--send select * from t1 where pk=1 for update;
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--connection default
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--echo ### Connection default
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let $wait_condition= select 1 from INFORMATION_SCHEMA.PROCESSLIST
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where ID = $ID and STATE = "Waiting for row lock";
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--source include/wait_condition.inc
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## Waiting for row lock
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## select connection_id();
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## select state='Waiting for row lock' from information_schema.processlist where id=2;
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rollback;
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connection con1;
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reap;
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rollback;
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connection default;
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##
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## Now, repeat the same test but let the wait time out.
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##
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begin;
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select * from t1 where pk=1 for update;
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--connection con1
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--echo ### Connection con1
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set @@xengine_lock_wait_timeout=2;
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set autocommit=0;
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begin;
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--error ER_LOCK_WAIT_TIMEOUT
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select * from t1 where pk=1 for update;
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--connection default
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rollback;
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set autocommit=1;
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--connection con1
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drop table t1;
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--connection default
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--echo #
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--echo # Now, test what happens if another transaction modified the record and committed
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--echo #
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CREATE TABLE t1 (
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id int primary key,
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value int
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) engine=xengine collate latin1_bin;
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insert into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10);
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--connection con1
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BEGIN;
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SELECT * FROM t1 WHERE id=3;
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--connection default
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BEGIN;
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UPDATE t1 SET value=30 WHERE id=3;
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COMMIT;
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--connection con1
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--error ER_LOCK_DEADLOCK
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SELECT * FROM t1 WHERE id=3 FOR UPDATE;
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ROLLBACK;
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--disconnect con1
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--connection default
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drop table t1;
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--source suite/xengine/include/check_xengine_log_error.inc
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