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MDEV-4578 information_schema.processlist reports incorrect value for Time (2147483647)

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SHOW PROCESSLIST might see a thread that started executing a query *after*
processlist has started. Don't show a negative or huge wrapped-around query execution time.
This commit is contained in:
Sergei Golubchik
2013-06-13 20:19:32 +02:00
parent 1fb33e4a67
commit 85a8de31b1
4 changed files with 38 additions and 3 deletions
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3
sql/sql_parse.cc
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@ -914,6 +914,9 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
thd->enable_slow_log= TRUE;
thd->query_plan_flags= QPLAN_INIT;
thd->lex->sql_command= SQLCOM_END; /* to avoid confusing VIEW detectors */
DEBUG_SYNC(thd,"dispatch_command_before_set_time");
thd->set_time();
thd->set_query_id(get_query_id());
if (!(server_command_flags[command] & CF_SKIP_QUERY_ID))