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Implement a fix for Bug#57058 -- send SERVER_QUERY_WAS_SLOW over

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network when a query was slow.

When a query is slow, sent a special flag to the client
indicating this fact.

Add a test case.
Implement review comments.
This commit is contained in:
Konstantin Osipov
2010-11-12 15:56:21 +03:00
parent 936bec8e2c
commit 4749b88494
10 changed files with 70 additions and 27 deletions
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5
sql/sql_parse.cc
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@@ -1438,8 +1438,7 @@ void log_slow_statement(THD *thd)
ulonglong end_utime_of_query= thd->current_utime();
thd_proc_info(thd, "logging slow query");
if (((end_utime_of_query - thd->utime_after_lock) >
thd->variables.long_query_time ||
if (((thd->server_status & SERVER_QUERY_WAS_SLOW) ||
((thd->server_status &
(SERVER_QUERY_NO_INDEX_USED | SERVER_QUERY_NO_GOOD_INDEX_USED)) &&
opt_log_queries_not_using_indexes &&
@@ -5505,6 +5504,8 @@ void mysql_parse(THD *thd, char *rawbuf, uint length,
thd->end_statement();
thd->cleanup_after_query();
DBUG_ASSERT(thd->change_list.is_empty());
/* Finalize server status flags after executing a statement. */
thd->update_server_status();
}
DBUG_VOID_RETURN;