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Bug #19764: SHOW commands end up in the slow log as table scans

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Do not consider SHOW commands slow queries, just because they don't use proper indexes.

This bug fix is not needed in 5.1, and the code changes will be null merged.  However, the test cases will be propogated up to 5.1.


mysql-test/t/show_check-master.opt:
  Rename: BitKeeper/deleted/.del-show_check-master.opt -> mysql-test/t/show_check-master.opt
mysql-test/r/ps.result:
  Add test case for bug 19764
mysql-test/r/show_check.result:
  Add test case for bug 19764
mysql-test/r/union.result:
  Adjust test case results based on bug #19764 changes
mysql-test/t/ps.test:
  Add test case for bug 19764
mysql-test/t/show_check.test:
  Add test case for bug 19764
sql/sql_parse.cc:
  Do not log SHOW commands as slow queries just because they don't use indexes.
sql/sql_prepare.cc:
  Save stmt_backup.lex->orig_sql_command for use in log_slow_statement()
mysql-test/t/ps-master.opt:
  Add log-slow-queries and --log-queries-not-using indexes, to test bug #19764
This commit is contained in:
unknown
2006-10-12 17:10:34 -06:00
parent e9b7cc09e5
commit 99d42667d6
9 changed files with 74 additions and 6 deletions
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6
sql/sql_prepare.cc
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@@ -2908,6 +2908,12 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
stmt_backup.query= thd->query;
stmt_backup.query_length= thd->query_length;
/*
Save orig_sql_command as we use it to disable slow logging for SHOW
commands (see log_slow_statement()).
*/
stmt_backup.lex->orig_sql_command= thd->lex->orig_sql_command;
/*
At first execution of prepared statement we may perform logical
transformations of the query tree. Such changes should be performed