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c050b5fdf9
This only happend when using an ORDER BY on a primary key part, where all other key parts where constant. Remove of duplicated expressions in ORDER BY (as the old code did this in some strange cases) mysql-test/r/group_by.result: Fixed results to take into account that duplicate order by parts are now deleted mysql-test/r/group_by_innodb.result: Ensure extended keys are on mysql-test/r/innodb_ext_key.result: More tests mysql-test/r/order_by.result: More tests mysql-test/t/group_by.test: Fixed results to take into account that duplicate order by parts are now deleted mysql-test/t/group_by_innodb.test: Ensure extended keys are on mysql-test/t/innodb_ext_key.test: More tests mysql-test/t/order_by.test: More tests sql/sql_select.cc: Fixed bug where we looked at extended key parts when we shouldn't Remove of duplicated expressions in ORDER BY sql/table.cc: Indentation fixes
34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
set @save_ext_key_optimizer_switch=@@optimizer_switch;
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#
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# MDEV-3992 Server crash or valgrind errors in test_if_skip_sort_order/test_if_cheaper_ordering
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# on GROUP BY with indexes on InnoDB table
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#
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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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set optimizer_switch='extended_keys=on';
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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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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY,pk PRIMARY 4 NULL 2 Using where
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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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COUNT(*) 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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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY,pk PRIMARY 4 NULL 2 Using where
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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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COUNT(*) field1
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drop table t1;
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End of 5.5 tests
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set optimizer_switch=@save_ext_key_optimizer_switch;
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