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#
# Test GROUP BY queries that utilize InnoDB extended keys
#
--source include/have_innodb.inc
--echo #
--echo # MDEV-3992 Server crash or valgrind errors in test_if_skip_sort_order/test_if_cheaper_ordering
--echo # on GROUP BY with indexes on InnoDB table
--echo #
CREATE TABLE t1 (
pk INT PRIMARY KEY,
a VARCHAR(1) NOT NULL,
KEY (pk)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,'a'),(2,'b');
EXPLAIN
SELECT COUNT(*), pk field1, pk AS field2
FROM t1 WHERE a = 'r' OR pk = 183
GROUP BY field1, field2;
SELECT COUNT(*), pk field1, pk AS field2
FROM t1 WHERE a = 'r' OR pk = 183
GROUP BY field1, field2;
EXPLAIN
SELECT COUNT(*), pk field1 FROM t1
WHERE a = 'r' OR pk = 183 GROUP BY field1, field1;
SELECT COUNT(*), pk field1 FROM t1
WHERE a = 'r' OR pk = 183 GROUP BY field1, field1;
drop table t1;
--echo End of 5.5 tests
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