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