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58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
# This is the test for bug #47621, column rename operation should
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# not result in column definition inconsistency between MySQL and
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# InnoDB
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-- source include/have_innodb_plugin.inc
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CREATE TABLE bug47621 (salesperson INT) ENGINE=InnoDB;
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# Change the column name
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ALTER TABLE bug47621 CHANGE salesperson sales_acct_id INT;
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# If there is inconsistency of column name definition
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# in MySQL or InnoDB, following create index would fail
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create index orgs on bug47621(sales_acct_id);
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# Change the column name back with the index defined on it.
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ALTER TABLE bug47621 CHANGE sales_acct_id salesperson INT;
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drop table bug47621;
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CREATE TABLE bug47621_sale (
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salesperson INT,
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PRIMARY KEY(salesperson)) engine = innodb;
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CREATE TABLE bug47621_shirt(
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id SMALLINT,
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owner INT,
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FOREIGN KEY(owner)
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references bug47621_sale(salesperson) ON DELETE RESTRICT)
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engine = innodb;
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insert into bug47621_sale values(9);
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insert into bug47621_shirt values(1, 9);
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# Any rename operation on columns involved in a reference constraint will
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# fail, as it will be rejected by InnoDB row_rename_table_for_mysql().
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# In above example, any rename on column "salesperson" for table
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# "bug47621_sale", or on column "owner" for table "bug47621_shirt will
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# be blocked. We do not put such rename in the test since InnoDB error
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# message will be printed in the error log, and result in test failure.
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#
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# ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT;
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# Any rename on columns not involved in the foreign key constraint
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# could still proceed
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ALTER TABLE bug47621_shirt CHANGE id new_id INT;
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# Referencing table dropped, the rename operation on related columns
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# could proceed
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drop table bug47621_shirt;
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ALTER TABLE bug47621_sale CHANGE salesperson sales_acct_id INT;
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ALTER TABLE bug47621_sale ADD INDEX idx (sales_acct_id);
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drop table bug47621_sale;
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