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Fixed bug #33697.

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When the function test_if_skip_sort_order prefers index backward scan 
to ref access the corresponding access functions must be set accordingly.
This commit is contained in:
igor@olga.mysql.com
2008-01-11 10:05:34 -08:00
parent 5b9e61b282
commit b85ffdb5d5
4 changed files with 69 additions and 17 deletions
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3
sql/sql_select.cc
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@@ -13123,7 +13123,8 @@ check_reverse_order:
select->quick=tmp;
}
}
else if (tab->ref.key >= 0 && tab->ref.key_parts <= used_key_parts)
else if (tab->type != JT_NEXT &&
tab->ref.key >= 0 && tab->ref.key_parts <= used_key_parts)
{
/*
SELECT * FROM t1 WHERE a=1 ORDER BY a DESC,b DESC