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	- Added --disable_query_log ; begin ; .... commit; --enable_query_log around all while loops that does insert
		
			
				
	
	
		
			53 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 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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| 
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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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| 
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| CREATE TABLE t1 (id INTEGER, grp TINYINT, id_rev INTEGER);
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| 
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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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| begin;
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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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| commit;
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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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| 
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| SELECT COUNT(*) FROM t1;
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| 
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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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| 
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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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| 
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| # End of 4.1 tests
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