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1. BUG#21704 - Renaming column does not update FK definition 2. Changes in mysql-test/include/mtr_warnings.sql so that the testcase for BUG#21704 doesn't fail because of the warnings generated. Detailed revision comments: r5488 | vasil | 2009-07-09 19:16:44 +0300 (Thu, 09 Jul 2009) | 13 lines branches/5.1: Fix Bug#21704 Renaming column does not update FK definition by checking whether a column that participates in a FK definition is being renamed and denying the ALTER in this case. The patch was originally developed by Davi Arnaut <Davi.Arnaut@Sun.COM>: http://lists.mysql.com/commits/77714 and was later adjusted to conform to InnoDB coding style by me (Vasil), I also added some more comments and moved the bug specific mysql-test to a separate file to make it more manageable and flexible.
97 lines
2.6 KiB
Plaintext
97 lines
2.6 KiB
Plaintext
-- source include/have_innodb.inc
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--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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--disable_warnings
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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--enable_warnings
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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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# mysqltest first does replace_regex, then replace_result
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--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/
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# Embedded server doesn't chdir to data directory
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--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ ''
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--error ER_ERROR_ON_RENAME
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ALTER TABLE t1 CHANGE a c INT;
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--echo # Ensure that online column rename works.
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--enable_info
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ALTER TABLE t1 CHANGE b c INT;
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--disable_info
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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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# mysqltest first does replace_regex, then replace_result
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--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/
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# Embedded server doesn't chdir to data directory
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--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ ''
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--error ER_ERROR_ON_RENAME
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ALTER TABLE t2 CHANGE a c INT;
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--echo # Ensure that online column rename works.
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--enable_info
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ALTER TABLE t2 CHANGE b c INT;
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--disable_info
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--echo
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--echo # Test with self-referential constraints
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--echo
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# mysqltest first does replace_regex, then replace_result
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--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/
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# Embedded server doesn't chdir to data directory
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--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ ''
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--error ER_ERROR_ON_RENAME
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ALTER TABLE t3 CHANGE a d INT;
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# mysqltest first does replace_regex, then replace_result
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--replace_regex /'[^']*test\/#sql-[0-9a-f_]*'/'#sql-temporary'/
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# Embedded server doesn't chdir to data directory
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--replace_result $MYSQLTEST_VARDIR . mysqld.1/data/ ''
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--error ER_ERROR_ON_RENAME
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ALTER TABLE t3 CHANGE b d INT;
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--echo # Ensure that online column rename works.
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--enable_info
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ALTER TABLE t3 CHANGE c d INT;
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--disable_info
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--echo
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--echo # Cleanup.
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--echo
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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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