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43c6953fa1
Early evaluation of subqueries in the WHERE conditions on I_S.*_STATUS tables, otherwise the subquery on this same table will try to acquire LOCK_status twice.
8 lines
402 B
Text
8 lines
402 B
Text
select variable_name from information_schema.session_status where variable_name =
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(select variable_name from information_schema.session_status where variable_name = 'uptime');
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variable_name
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UPTIME
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select variable_name from information_schema.session_variables where variable_name =
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(select variable_name from information_schema.session_variables where variable_name = 'basedir');
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variable_name
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BASEDIR
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