77 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			77 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
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								#
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								# Bug#20023 mysql_change_user() resets the value of SQL_BIG_SELECTS
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								#
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								--echo Bug#20023
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								SELECT @@session.sql_big_selects;
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								# The exact value depends on the server build flags
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								--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
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								SELECT @@global.max_join_size;
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								--echo change_user
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								--change_user
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								SELECT @@session.sql_big_selects;
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								# The exact value depends on the server build flags
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								--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
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								SELECT @@global.max_join_size;
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								SET @@global.max_join_size = 10000;
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								SET @@session.max_join_size = default;
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								--echo change_user
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								--change_user
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								SELECT @@session.sql_big_selects;
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								# On some machines the following will result into a warning
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								--disable_warnings
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								SET @@global.max_join_size = 18446744073709551615;
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								--enable_warnings
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								SET @@session.max_join_size = default;
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								--echo change_user
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								--change_user
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								SELECT @@session.sql_big_selects;
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								#
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								# Bug#31418 User locks misfunctioning after mysql_change_user()
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								#
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								--echo Bug#31418
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								SELECT IS_FREE_LOCK('bug31418');
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								SELECT IS_USED_LOCK('bug31418');
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								SELECT GET_LOCK('bug31418', 1);
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								SELECT IS_USED_LOCK('bug31418') = CONNECTION_ID();
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								--echo change_user
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								--change_user
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								SELECT IS_FREE_LOCK('bug31418');
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								SELECT IS_USED_LOCK('bug31418');
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								#
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								# Bug#31222: com_% global status counters behave randomly with
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								# mysql_change_user.
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								#
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								FLUSH STATUS;
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								--disable_result_log
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								--disable_query_log
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								let $i = 100;
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								while ($i)
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								{
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								  dec $i;
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								  SELECT 1;
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								}
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								--enable_query_log
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								--enable_result_log
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								let $before= query_get_value(SHOW GLOBAL STATUS LIKE 'com_select',Value,1);
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								--change_user
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								let $after= query_get_value(SHOW GLOBAL STATUS LIKE 'com_select',Value,1);
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								if (`select $after != $before`){
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								  SHOW GLOBAL STATUS LIKE 'com_select';
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								  die The value of com_select changed during change_user;
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								}
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								echo Value of com_select did not change;
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