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33 lines
1.1 KiB
33 lines
1.1 KiB
--source include/force_myisam_default.inc
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--source include/have_myisam.inc
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--echo #
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--echo # Test for bug #55273 "FLUSH TABLE tm WITH READ LOCK for Merge table
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--echo # causes assert failure".
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--echo #
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--disable_warnings
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drop table if exists t1, t2, tm;
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--enable_warnings
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create table t1 (i int) engine = myisam;
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create table t2 (i int) engine = myisam;
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create table tm (i int) engine=merge union=(t1, t2);
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insert into t1 values (1), (2);
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insert into t2 values (3), (4);
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--echo # The below statement should succeed and lock merge
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--echo # table for read. Only merge table gets flushed and
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--echo # not underlying tables.
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flush tables tm with read lock;
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select * from tm;
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--echo # Check that underlying tables are locked.
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select * from t1;
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select * from t2;
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unlock tables;
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--echo # This statement should succeed as well and flush
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--echo # all tables in the list.
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flush tables tm, t1, t2 with read lock;
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select * from tm;
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--echo # Naturally, underlying tables should be locked in this case too.
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select * from t1;
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select * from t2;
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unlock tables;
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drop tables tm, t1, t2;
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