75 lines
1.7 KiB
Plaintext
75 lines
1.7 KiB
Plaintext
--echo #
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--echo # Bug#21704: Renaming column does not update FK definition.
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--echo #
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--echo
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--echo # Test that it's not possible to rename columns participating in a
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--echo # foreign key (either in the referencing or referenced table).
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--echo
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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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--echo
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--echo # Test renaming the column in the referenced table.
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--echo
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--enable_info
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ALTER TABLE t1 CHANGE a e INT;
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--echo # Ensure that online column rename works.
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ALTER TABLE t1 CHANGE b c INT;
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--echo
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--echo # Test renaming the column in the referencing table
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--echo
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ALTER TABLE t2 CHANGE a z INT;
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--echo # Ensure that online column rename works.
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ALTER TABLE t2 CHANGE b c INT;
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--echo
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--echo # Test with self-referential constraints
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--echo
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ALTER TABLE t3 CHANGE a f INT;
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ALTER TABLE t3 CHANGE b g INT;
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--echo # Ensure that online column rename works.
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ALTER TABLE t3 CHANGE c d INT;
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--echo
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--echo # Cleanup.
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--echo
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--disable_info
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SHOW CREATE TABLE t1;
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SHOW CREATE TABLE t2;
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SHOW CREATE TABLE t3;
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SELECT f.FOR_NAME, f.REF_NAME, f.N_COLS, f.TYPE, c.FOR_COL_NAME, c.REF_COL_NAME, c.POS
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FROM INFORMATION_SCHEMA.INNODB_FOREIGN_COLS c
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INNER JOIN INFORMATION_SCHEMA.INNODB_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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DROP TABLE t3;
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DROP TABLE t2;
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DROP TABLE t1;
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