lp:~vlad-lesin/percona-server/5.6-query_response_time-rw-commands

Created by Vlad Lesin on 2014-10-29 and last modified on 2015-02-04
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734. By Vlad Lesin on 2015-02-04

Add two IS tables QUERY_RESPONSE_TIME_READ and QUERY_RESPONSE_TIME_WRITE for
'read' and 'write' queries correspondingly. The criteria of splitting queries is
based on sql command flags, if the flags show that the command CAN change any
data then the query is 'write' and 'read' otherwise. As this criteria is based
on the possibility but not on the fact of data changing it can be that queries
which do not change any data are treated as "write".

For example "UPDATE ... WHERE condition" is "write" query even if data were not
changed.

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