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Bug #19764: SHOW commands end up in the slow log as table scans
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.
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@ -2908,6 +2908,12 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
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stmt_backup.query= thd->query;
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stmt_backup.query_length= thd->query_length;
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/*
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Save orig_sql_command as we use it to disable slow logging for SHOW
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commands (see log_slow_statement()).
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*/
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stmt_backup.lex->orig_sql_command= thd->lex->orig_sql_command;
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/*
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At first execution of prepared statement we may perform logical
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transformations of the query tree. Such changes should be performed
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