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Merge magare.gmz:/home/kgeorge/mysql/work/B31001-5.0-opt
into magare.gmz:/home/kgeorge/mysql/work/B31001-5.1-opt
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@ -996,6 +996,29 @@ SELECT c,b FROM t1 GROUP BY c,b;
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DROP TABLE t1;
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#
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# Bug #31001: ORDER BY DESC in InnoDB not working
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#
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CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), INDEX b (b)) ENGINE=InnoDB;
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INSERT INTO t1(a,b) VALUES (1,1), (2,2), (3,2);
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#The two queries below should produce different results, but they don't.
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query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
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SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
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query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
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SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
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query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC;
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SELECT * FROM t1 ORDER BY b ASC, a ASC;
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query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC;
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SELECT * FROM t1 ORDER BY b DESC, a DESC;
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query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC;
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SELECT * FROM t1 ORDER BY b ASC, a DESC;
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query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC;
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SELECT * FROM t1 ORDER BY b DESC, a ASC;
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DROP TABLE t1;
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--echo End of 5.0 tests
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# Fix for BUG#19243 "wrong LAST_INSERT_ID() after ON DUPLICATE KEY
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@ -1190,6 +1190,103 @@ c b
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3 1
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3 2
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DROP TABLE t1;
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CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), INDEX b (b)) ENGINE=InnoDB;
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INSERT INTO t1(a,b) VALUES (1,1), (2,2), (3,2);
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EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
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id 1
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select_type SIMPLE
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table t1
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type ref
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possible_keys b
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key b
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key_len 5
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ref const
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rows 1
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Extra Using where; Using index
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SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
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a b
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2 2
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3 2
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EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
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id 1
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select_type SIMPLE
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table t1
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type ref
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possible_keys b
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key b
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key_len 5
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ref const
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rows 1
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Extra Using where; Using index
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SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
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a b
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3 2
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2 2
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EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC;
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id 1
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select_type SIMPLE
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table t1
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type index
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possible_keys NULL
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key b
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key_len 5
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ref NULL
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rows 3
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Extra Using index
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SELECT * FROM t1 ORDER BY b ASC, a ASC;
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a b
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1 1
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2 2
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3 2
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EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC;
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id 1
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select_type SIMPLE
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table t1
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type index
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possible_keys NULL
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key b
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key_len 5
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ref NULL
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rows 3
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Extra Using index
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SELECT * FROM t1 ORDER BY b DESC, a DESC;
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a b
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3 2
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2 2
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1 1
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EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC;
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id 1
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select_type SIMPLE
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table t1
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type index
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possible_keys NULL
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key b
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key_len 5
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ref NULL
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rows 3
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Extra Using index; Using filesort
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SELECT * FROM t1 ORDER BY b ASC, a DESC;
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a b
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1 1
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3 2
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2 2
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EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC;
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id 1
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select_type SIMPLE
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table t1
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type index
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possible_keys NULL
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key b
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key_len 5
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ref NULL
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rows 3
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Extra Using index; Using filesort
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SELECT * FROM t1 ORDER BY b DESC, a ASC;
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a b
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2 2
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3 2
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1 1
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DROP TABLE t1;
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End of 5.0 tests
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CREATE TABLE `t2` (
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`k` int(11) NOT NULL auto_increment,
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