Fixing a minor performance regression

45bc1889 · Varun Gupta · e9b6afea · 45bc1889
Commit 45bc1889 authored Feb 09, 2020 by Varun Gupta
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 1 deletion

sql/sql_select.cc sql/sql_select.cc +1 -1

No files found.
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -12007,7 +12007,7 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
 	    DBUG_RETURN(1);
 	}
 	else if (tab->type == JT_ALL && ! use_quick_range &&
-           !join->sort_nest_info)
+           !(join->sort_nest_info && join->sort_nest_info->index_used != -1))
 	{
 	  if (!tab->const_keys.is_clear_all() &&
 	      tab->table->reginfo.impossible_range)