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Fix for the bug #3155: strange results with index (x, y) ... WHERE x=val_1 AND y>=val_2 ORDER BY pk;

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(test case is too big to be included, take a look at the bug database)
This commit is contained in:
ram@gw.mysql.r18.ru
2004-03-17 15:30:17 +04:00
parent f54827e5d0
commit 16179dbef0
1 changed files with 2 additions and 1 deletions
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3
sql/sql_select.cc
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@ -3443,6 +3443,7 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
tab->type=JT_ALL;
use_quick_range=1;
tab->use_quick=1;
tab->ref.key= -1;
tab->ref.key_parts=0; // Don't use ref key.
join->best_positions[i].records_read= rows2double(tab->quick->records);
}
@ -7015,7 +7016,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
ref_key= -1;
/* Test if constant range in WHERE */
if (tab->ref.key >= 0)
if (tab->ref.key >= 0 && tab->ref.key_parts)
{
ref_key= tab->ref.key;
ref_key_parts= tab->ref.key_parts;