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Merge of the mwl106 tree into the latest 5.3 tree.

Resolved conflicts. Adjusted some test results
This commit is contained in:
Igor Babaev
2010-09-23 08:10:53 -07:00
72 changed files with 4103 additions and 928 deletions

View File

@@ -1731,8 +1731,8 @@ EXPLAIN
SELECT 1 FROM (SELECT COUNT(DISTINCT c1)
FROM t1 WHERE c2 IN (1, 1) AND c3 = 2 GROUP BY c2) x;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
2 DERIVED t1 index c3,c2 c2 10 NULL 5
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 index_merge c3,c2 c3,c2 5,10 NULL 1 Using intersect(c3,c2); Using where; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (c1 REAL, c2 REAL, c3 REAL, KEY (c3), KEY (c2, c3))
ENGINE=InnoDB;
@@ -1745,8 +1745,8 @@ EXPLAIN
SELECT 1 FROM (SELECT COUNT(DISTINCT c1)
FROM t1 WHERE c2 IN (1, 1) AND c3 = 2 GROUP BY c2) x;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
2 DERIVED t1 index c3,c2 c2 18 NULL 5
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 index_merge c3,c2 c3,c2 9,18 NULL 1 Using intersect(c3,c2); Using where; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (c1 DECIMAL(12,2), c2 DECIMAL(12,2), c3 DECIMAL(12,2),
KEY (c3), KEY (c2, c3))
@@ -1760,8 +1760,8 @@ EXPLAIN
SELECT 1 FROM (SELECT COUNT(DISTINCT c1)
FROM t1 WHERE c2 IN (1, 1) AND c3 = 2 GROUP BY c2) x;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
2 DERIVED t1 index c3,c2 c2 14 NULL 5
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 index_merge c3,c2 c3,c2 7,14 NULL 1 Using intersect(c3,c2); Using where; Using filesort
DROP TABLE t1;
End of 5.1 tests
drop table if exists t1, t2, t3;