From b482176b6ddfce3b555111496fb47863c9db5fb8 Mon Sep 17 00:00:00 2001 From: unknown Date: Tue, 22 Jun 2004 04:47:28 +0400 Subject: Range optimizer fix: 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) --- mysql-test/r/func_group.result | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'mysql-test/r/func_group.result') diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result index 8033e529c56..453110dc305 100644 --- a/mysql-test/r/func_group.result +++ b/mysql-test/r/func_group.result @@ -572,11 +572,11 @@ AME AME explain select min(a1) from t1 where a1 > 'KKK' or a1 < 'XXX'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY PRIMARY 0 NULL 15 Using where; Using index +1 SIMPLE t1 index PRIMARY PRIMARY 3 NULL 14 Using where; Using index explain select min(a1) from t1 where a1 != 'KKK'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY PRIMARY 3 NULL 14 Using where; Using index +1 SIMPLE t1 index PRIMARY PRIMARY 3 NULL 14 Using where; Using index explain select max(a3) from t1 where a2 < 2 and a3 < 'SEA'; id select_type table type possible_keys key key_len ref rows Extra @@ -584,7 +584,7 @@ id select_type table type possible_keys key key_len ref rows Extra explain select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range k1 k1 7 NULL 1 Using where; Using index +1 SIMPLE t1 ref k1 k1 3 const 2 Using where; Using index 1 SIMPLE t2 range k1 k1 3 NULL 4 Using where; Using index explain select min(a4 - 0.01) from t1; -- cgit v1.2.1