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Range optimizer fix:

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If cost(full_scan_on_shortest_covering_index) < cost(best_range_scan) <  cost(full_table_scan)
  use full_scan_on_shortest_covering_index
(before this fix best_range_scan was used)
This commit is contained in:
sergefp@mysql.com
2004-06-22 04:47:28 +04:00
parent 7a9f4c6a2a
commit f874071a26
14 changed files with 36 additions and 36 deletions
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4
mysql-test/r/select.result
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@@ -2150,10 +2150,10 @@ a a a
select * from (t1 as t2 left join t1 as t3 using (a)) inner join t1 on t1.a>1;
a a a
1 1 2
1 1 3
2 2 2
2 2 3
3 3 2
1 1 3
2 2 3
3 3 3
select * from t1 inner join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
a a a