storage/tokudb/mysql-test/tokudb/t/change_column_varchar_rename.test


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# test that varchar changed with column rename work

--disable_warnings
DROP TABLE IF EXISTS t;
--enable_warnings

SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON;
SET SESSION DEFAULT_STORAGE_ENGINE='TokuDB';

CREATE TABLE t (a VARCHAR(100), b VARCHAR(256));

# varchar shrink with column rename is not supported
--replace_regex /MariaDB/XYZ/ /MySQL/XYZ/
--error ER_UNSUPPORTED_EXTENSION
ALTER TABLE t CHANGE COLUMN a aa VARCHAR(1);

# varchar expand with column rename is not supported
--replace_regex /MariaDB/XYZ/ /MySQL/XYZ/
--error ER_UNSUPPORTED_EXTENSION
ALTER TABLE t CHANGE COLUMN a aa VARCHAR(256);

# varchar column rename is supported
ALTER TABLE t CHANGE COLUMN a aa VARCHAR(100);

# varchar shrink woth column rename is not supported
--replace_regex /MariaDB/XYZ/ /MySQL/XYZ/
--error ER_UNSUPPORTED_EXTENSION
ALTER TABLE t CHANGE COLUMN b bb VARCHAR(255);

# varchar expand with column rename is not supported
--replace_regex /MariaDB/XYZ/ /MySQL/XYZ/
--error ER_UNSUPPORTED_EXTENSION
ALTER TABLE t CHANGE COLUMN b bb VARCHAR(1024);

# varchar column rename is supported
ALTER TABLE t CHANGE COLUMN b bb VARCHAR(256);

DROP TABLE t;