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Bug
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-
Minor
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Resolution:
Fixed
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None
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-
None
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I'm not sure if it should be, but even if not, it's good to have it for the record as "not a bug"
When a query, e.g. a SELECT, is executed via a PS, it's written into the slow log as a query, but explain is not there.
let $datadir = `select @@datadir`;
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prepare stmt from "select sleep(1)";
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set global slow_query_log = 1;
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set long_query_time = 0.000001;
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set log_slow_verbosity = 'explain';
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execute stmt;
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cat_file $datadir/../mysqld-slow.log;
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Time Id Command Argument
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# Time: 131009 20:26:04
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# User@Host: root[root] @ localhost []
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# Thread_id: 3 Schema: test QC_hit: No
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# Query_time: 0.000262 Lock_time: 0.000000 Rows_sent: 0 Rows_examined: 0
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use test;
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SET timestamp=1381335964;
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set long_query_time = 0.000001;
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# User@Host: root[root] @ localhost []
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# Thread_id: 3 Schema: test QC_hit: No
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# Query_time: 0.000324 Lock_time: 0.000000 Rows_sent: 0 Rows_examined: 0
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SET timestamp=1381335964;
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set log_slow_verbosity = 'explain';
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# Time: 131009 20:26:05
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# User@Host: root[root] @ localhost []
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# Thread_id: 3 Schema: test QC_hit: No
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# Query_time: 1.001381 Lock_time: 0.000000 Rows_sent: 1 Rows_examined: 0
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SET timestamp=1381335965;
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select sleep(1);
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bzr version-info
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revision-id: psergey@askmonty.org-20131009090746-6zfqg47elbhnquac
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revno: 3715
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branch-nick: 10.0-base-explain-slowquerylog
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- relates to
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MDEV-407
Print EXPLAIN [ANALYZE] in the slow query log
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Closed
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