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  • Committer: paul-mccullagh
  • Date: 2006-10-23 09:14:04 UTC
  • Revision ID: paul-mccullagh-918861e03d351978a9541168a96e58cc826734ee
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pbxt/mysql-test-update/mysql-test/t/count_distinct3.test
 
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#
 
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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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--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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set @@read_buffer_size=2*1024*1024;
 
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CREATE TABLE t2 SELECT * FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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INSERT INTO t1 (id, grp, id_rev) SELECT id, grp, id_rev FROM t2;
 
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INSERT INTO t2 (id, grp, id_rev) SELECT id, grp, id_rev FROM t1;
 
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DROP TABLE t2;
 
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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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DROP TABLE t1;
 
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set @@read_buffer_size=default;
 
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# End of 4.1 tests