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e1c76b80d9
Includes 5.6 changesets for: ***** Fix for BUG#13489996 valgrind:conditional jump or move depends on uninitialised values-field_blob. blob_ptr_size was not initialized properly: remove this variable. ***** Bug#14021323 CRASH IN FIELD::SET_NULL WHEN INSERTING ROWS TO NEW TABLE *****
89 lines
2.7 KiB
Text
89 lines
2.7 KiB
Text
#
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# Bug#21704: Renaming column does not update FK definition.
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#
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# Test that it's not possible to rename columns participating in a
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# foreign key (either in the referencing or referenced table).
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CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB;
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CREATE TABLE t2 (a INT PRIMARY KEY, b INT,
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CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a))
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ROW_FORMAT=COMPACT ENGINE=INNODB;
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CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT,
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CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a))
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ROW_FORMAT=COMPACT ENGINE=INNODB;
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INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
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INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
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INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3);
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# Test renaming the column in the referenced table.
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ALTER TABLE t1 CHANGE a e INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Ensure that online column rename works.
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ALTER TABLE t1 CHANGE b c INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Test renaming the column in the referencing table
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ALTER TABLE t2 CHANGE a z INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Ensure that online column rename works.
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ALTER TABLE t2 CHANGE b c INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Test with self-referential constraints
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ALTER TABLE t3 CHANGE a f INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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ALTER TABLE t3 CHANGE b g INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Ensure that online column rename works.
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ALTER TABLE t3 CHANGE c d INT;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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# Cleanup.
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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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`e` int(11) NOT NULL DEFAULT '0',
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`c` int(11) DEFAULT NULL,
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PRIMARY KEY (`e`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`z` int(11) NOT NULL DEFAULT '0',
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`c` int(11) DEFAULT NULL,
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PRIMARY KEY (`z`),
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CONSTRAINT `fk1` FOREIGN KEY (`z`) REFERENCES `t1` (`e`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT
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SHOW CREATE TABLE t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`f` int(11) NOT NULL DEFAULT '0',
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`g` int(11) DEFAULT NULL,
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`d` int(11) DEFAULT NULL,
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PRIMARY KEY (`f`),
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KEY `b` (`g`),
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CONSTRAINT `fk2` FOREIGN KEY (`g`) REFERENCES `t3` (`f`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT
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SELECT f.*, c.*
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FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS c
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INNER JOIN INFORMATION_SCHEMA.INNODB_SYS_FOREIGN f
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ON c.ID=f.ID
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WHERE FOR_NAME LIKE 'test/t%';
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ID FOR_NAME REF_NAME N_COLS TYPE ID FOR_COL_NAME REF_COL_NAME POS
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test/fk1 test/t2 test/t1 1 0 test/fk1 z e 0
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test/fk2 test/t3 test/t3 1 0 test/fk2 g f 0
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DROP TABLE t3;
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DROP TABLE t2;
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DROP TABLE t1;
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