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63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
# In order to be more or less robust test for bug#25044 has to take
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# significant time (e.g. about 9 seconds on my (Dmitri's) computer)
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# so we probably want execute it only in --big-test mode.
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--source include/big_test.inc
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--source include/have_binlog_format_mixed_or_statement.inc
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#
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# Test for bug #25044 "ALTER TABLE ... ENABLE KEYS acquires global
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# 'opening tables' lock".
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#
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# ALTER TABLE ... ENABLE KEYS should not acquire LOCK_open mutex for
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# the whole its duration as it prevents other queries from execution.
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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connect (addconroot, localhost, root,,);
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connection default;
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create table t1 (n1 int, n2 int, n3 int,
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key (n1, n2, n3),
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key (n2, n3, n1),
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key (n3, n1, n2));
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create table t2 (i int);
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# Populating 't1' table with keys disabled, so ALTER TABLE .. ENABLE KEYS
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# will run for some time
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alter table t1 disable keys;
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--disable_query_log
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insert into t1 values (RAND()*1000,RAND()*1000,RAND()*1000);
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let $1=19;
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while ($1)
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{
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eval insert into t1 select RAND()*1000,RAND()*1000,RAND()*1000 from t1;
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dec $1;
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}
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--enable_query_log
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# Later we use binlog to check the order in which statements are
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# executed so let us reset it first.
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reset master;
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--send alter table t1 enable keys;
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connection addconroot;
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let $show_type= PROCESSLIST;
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let $show_pattern= '%Repair by sorting%alter table t1 enable keys%';
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--source include/wait_show_pattern.inc
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# This statement should not be blocked by in-flight ALTER and therefore
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# should be executed and written to binlog before ALTER TABLE ... ENABLE KEYS
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# finishes.
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insert into t2 values (1);
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# And this should wait until the end of ALTER TABLE ... ENABLE KEYS.
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insert into t1 values (1, 1, 1);
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connection default;
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--reap
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# Check that statements were executed/binlogged in correct order.
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--replace_column 2 # 5 #
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show binlog events in 'master-bin.000001' from 102;
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# Clean up
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drop tables t1, t2;
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--echo End of 5.0 tests
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