bk commit into 5.0 tree (sergefp:1.2387) BUG#24127

[Sergey Petrunia]

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ChangeSet@stripped, 2007-01-25 02:27:28+03:00, sergefp@stripped +1 -0
  BUG#24127: wrong result for (null,not-null) IN (SELECT a,b ...):
  Fixed typo problem that surfaced after the merge

  sql/sql_select.cc@stripped, 2007-01-25 02:27:26+03:00, sergefp@stripped +2 -2
    BUG#24127: wrong result for (null,not-null) IN (SELECT a,b ...):
    Fixed typo problem that surfaced after the merge

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	sergefp
# Host:	pylon.mylan
# Root:	/home/psergey/mysql-5.0-bug8804-r12

--- 1.484/sql/sql_select.cc	2007-01-25 02:27:33 +03:00
+++ 1.485/sql/sql_select.cc	2007-01-25 02:27:33 +03:00
@@ -2973,14 +2973,14 @@
     if (cond->type() == Item::FUNC_ITEM &&
         ((Item_func*)cond)->functype() == Item_func::TRIG_COND_FUNC)
     {
-      cond= ((Item_func*)cond)->arguments()[0];
+      Item *cond_arg= ((Item_func*)cond)->arguments()[0];
       if (!join->group_list && !join->order &&
           join->unit->item && 
           join->unit->item->substype() == Item_subselect::IN_SUBS &&
           !join->unit->first_select()->next_select())
       {
         KEY_FIELD *save= *key_fields;
-        add_key_fields(join, key_fields, and_level, cond, usable_tables,
+        add_key_fields(join, key_fields, and_level, cond_arg, usable_tables,
                        sargables);
         // Indicate that this ref access candidate is for subquery lookup:
         for (; save != *key_fields; save++)