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#----------------------------------------------------------------------------- # csv_alter_table.test - .test file for MySQL regression suite # Purpose: To test the behavior of the CSV engine # Bug#31473 resulted in strict enforcement of non-nullable # columns in CSV engine. # Tests code for Bug#33696 - CSV engine allows NULLable # Columns via ALTER TABLE statements # # Author pcrews # Last modified: 2008-01-06 #----------------------------------------------------------------------------- ############################################################################# # Testcase csv_alter_table.1: Positive test for ALTER table # ############################################################################# -- echo # ===== csv_alter_table.1 ===== -- disable_warnings DROP TABLE IF EXISTS t1; -- enable_warnings CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV; ALTER TABLE t1 ADD COLUMN b CHAR(5) NOT NULL; DESC t1; ALTER TABLE t1 DROP COLUMN b; DESC t1; ALTER TABLE t1 MODIFY a BIGINT NOT NULL; DESC t1; ALTER TABLE t1 CHANGE a a INT NOT NULL; DESC t1; DROP TABLE t1; ############################################################################# # Testcase csv_alter_table.2: Negative test for ALTER table # These queries should not succeed / should throw errors ############################################################################# -- echo # ===== csv_alter_table.2 ===== -- disable_warnings DROP TABLE IF EXISTS t1; -- enable_warnings CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV; --error ER_CHECK_NOT_IMPLEMENTED ALTER TABLE t1 ADD COLUMN b CHAR(5); DESC t1; --error ER_CHECK_NOT_IMPLEMENTED ALTER TABLE t1 MODIFY a BIGINT; DESC t1; --error ER_CHECK_NOT_IMPLEMENTED ALTER TABLE t1 CHANGE a a INT; DESC t1; DROP TABLE t1;