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Problem 1: not_embedded_server runs SELECT FROM I_S.PROCESSLIST near the beginning. check_testcase executes a query to the server before that. There is a race here, because there is no guarantee that the thread executing check_testcase's query is finished. Problem 2: The SELECT FROM I_S.PROCESSLIST doens't seem very useful in the test. It's at least misplaced. Fix to both problems: Comment out SELECT FROM I_S.PROCESSLIST. mysql-test/t/not_embedded_server.test: Commented out failing / useless test.
75 lines
2 KiB
Text
75 lines
2 KiB
Text
#
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# Here we collect tests that doesn't work with the embedded server
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#
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-- source include/not_embedded.inc
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# The following fails sporadically because 'check-testcase' runs
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# queries before this test and there is no way to guarantee that any
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# previous process finishes. The purpose of the test is not clearly
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# stated, there is no reference to any bug report, and "select from
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# I_S from prepared statement" doesn't look like something that's
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# really imporant to test. I'm commenting out this for now. If
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# anyone wants to keep this, please fix the race and motivate why we
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# need to test this. If you see this comment and it is after mid-2009
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# or so, feel free to remove this test from the file. /Sven
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#
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#
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## Show full process list with prepare
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## To not show other connections, this must be the first test and we must
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## have a server restart before this one
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##
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## We don't have any 4.1 tests as we use I_S to query the PROCESSLIST to
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## exclude system threads that may/may not be active in the server
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## (namely the ndb injector thread)
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##
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## End of 4.1 tests
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#
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#prepare stmt1 from ' SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE COMMAND!=\'Daemon\' ';
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#--replace_column 1 number 6 time 3 localhost
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#execute stmt1;
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#deallocate prepare stmt1;
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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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# Moved from change_user.test due to Bug#34517: SHOW GLOBAL STATUS does not
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# work properly in embedded server.
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#
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# TODO: move it back when Bug#34517 is fixed.
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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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# End of 5.1 tests
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