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29f0dcb563
* Finished Monty and Jani's merge * Some InnoDB tests still fail (because it's old xtradb code run against newer testsuite). They are expected to go after mergning with the latest xtradb.
51 lines
1.4 KiB
Text
51 lines
1.4 KiB
Text
# Bug #958 a big table without indices and select with group by doesnt work
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# this is a test for error 1032 in count(distinct) + group by, introduced in
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# mysql-4.1
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#
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# Slow test
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--source include/big_test.inc
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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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CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
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--disable_query_log
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SET @rnd_max= 2147483647;
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let $1 = 1000;
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while ($1)
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{
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SET @rnd= RAND();
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SET @id = CAST(@rnd * @rnd_max AS UNSIGNED);
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SET @id_rev= @rnd_max - @id;
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SET @grp= CAST(127.0 * @rnd AS UNSIGNED);
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INSERT INTO t1 (id, grp, id_rev) VALUES (@id, @grp, @id_rev);
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dec $1;
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}
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# We increase the size of t1 here.
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SET @orig_myisam_sort_buffer_size = @@session.myisam_sort_buffer_size;
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SET session myisam_sort_buffer_size=20000000;
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INSERT INTO t1
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SELECT A.id, A.grp, A.id_rev
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FROM
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t1 A,
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(SELECT * FROM t1 B LIMIT 100) B,
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(SELECT * FROM t1 Z LIMIT 42) Z;
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--enable_query_log
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SELECT COUNT(*) FROM t1;
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# As t1 contains random numbers, results are different from test to test.
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# That's okay, because we test only that select doesn't yield an
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# error. Note, that --disable_result_log doesn't suppress error output.
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--disable_result_log
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SELECT COUNT(DISTINCT id) FROM t1 GROUP BY grp;
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--enable_result_log
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--echo # Begin cleanup
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SET session myisam_sort_buffer_size = @orig_myisam_sort_buffer_size;
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DROP TABLE t1;
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# End of 4.1 tests
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