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merge + order by (bug #515) temporary fix

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properly fixed in 4.1
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unknown
2003-07-04 14:42:57 +02:00
parent b22a797631
commit 2848b0bed9
3 changed files with 6 additions and 1 deletions
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sql/sql_select.cc
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@@ -5843,6 +5843,8 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
*/
if (!select->quick->reverse_sorted())
{
if (table->file->index_flags(ref_key) & HA_NOT_READ_PREFIX_LAST)
DBUG_RETURN(0); // Use filesort
// ORDER BY range_key DESC
QUICK_SELECT_DESC *tmp=new QUICK_SELECT_DESC(select->quick,
used_key_parts);