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Merge tag 'mariadb-5.5.48' into 5.5-galera
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40
mysql-test/suite/innodb/r/innodb-dict.result
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40
mysql-test/suite/innodb/r/innodb-dict.result
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@@ -0,0 +1,40 @@
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CREATE TABLE t1 (D INT) ENGINE=innodb;
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INSERT INTO t1 VALUES (10);
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ALTER TABLE t1 MODIFY COLUMN d INT;
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ALTER TABLE t1 ADD INDEX my_d (d);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`d` int(11) DEFAULT NULL,
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KEY `my_d` (`d`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9);
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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EXPLAIN SELECT d FROM t1 WHERE d = 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref my_d my_d 5 const 128 Using index
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EXPLAIN SELECT D FROM t1 WHERE D = 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref my_d my_d 5 const 128 Using index
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ALTER TABLE t1 DROP INDEX my_d;
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ALTER TABLE t1 MODIFY COLUMN D INT;
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ALTER TABLE t1 ADD INDEX my_d (D);
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EXPLAIN SELECT d FROM t1 WHERE d = 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref my_d my_d 5 const 128 Using index
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EXPLAIN SELECT D FROM t1 WHERE D = 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref my_d my_d 5 const 128 Using index
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`D` int(11) DEFAULT NULL,
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KEY `my_d` (`D`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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DROP TABLE t1;
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31
mysql-test/suite/innodb/t/innodb-dict.test
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31
mysql-test/suite/innodb/t/innodb-dict.test
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@@ -0,0 +1,31 @@
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--source include/have_innodb.inc
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#
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# Fix MySQL Bug#20755615: InnoDB compares column names case sensitively,
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# while according to Storage Engine API column names should be compared
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# case insensitively. This can cause FRM and InnoDB data dictionary to
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# go out of sync:
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#
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CREATE TABLE t1 (D INT) ENGINE=innodb;
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INSERT INTO t1 VALUES (10);
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ALTER TABLE t1 MODIFY COLUMN d INT;
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ALTER TABLE t1 ADD INDEX my_d (d);
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SHOW CREATE TABLE t1;
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INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9);
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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EXPLAIN SELECT d FROM t1 WHERE d = 5;
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EXPLAIN SELECT D FROM t1 WHERE D = 5;
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ALTER TABLE t1 DROP INDEX my_d;
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ALTER TABLE t1 MODIFY COLUMN D INT;
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ALTER TABLE t1 ADD INDEX my_d (D);
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EXPLAIN SELECT d FROM t1 WHERE d = 5;
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EXPLAIN SELECT D FROM t1 WHERE D = 5;
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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