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MDEV-6274 Collation usage statistics

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Adding collation usage statistics into the feedback plugin I_S table.
This commit is contained in:
Alexander Barkov 2014-08-11 05:45:45 +04:00
commit 22a64047d1
7 changed files with 99 additions and 2 deletions
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13
mysql-test/suite/plugins/t/feedback_plugin_load.test
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@ -8,3 +8,16 @@ select plugin_status from information_schema.plugins where plugin_name='feedback
--sorted_result
select * from information_schema.feedback where variable_name like 'feed%'
and variable_name not like '%_uid';
# Embedded server does not use the table mysqld.user and thus
# does not automatically use latin1_bin on startup. Use it manually.
--disable_query_log
if (`SELECT VERSION() LIKE '%embedded%'`)
{
DO _latin1'test' COLLATE latin1_bin;
}
--enable_query_log
SELECT VARIABLE_VALUE>0, VARIABLE_NAME FROM INFORMATION_SCHEMA.FEEDBACK
WHERE VARIABLE_NAME LIKE 'Collation used %'
ORDER BY VARIABLE_NAME;