super.isValid();
AddColumnStatement addPKColumn = new AddColumnStatement(null, null, TABLE_NAME, COLUMN_NAME, COLUMN_TYPE, null, new PrimaryKeyConstraint("pk_name"));
assertFalse(generatorUnderTest.validate(addPKColumn, new OracleDatabase(), new MockSqlGeneratorChain()).hasErrors());
assertTrue(generatorUnderTest.validate(addPKColumn, new H2Database(), new MockSqlGeneratorChain()).getErrorMessages().contains("Cannot add a primary key column"));
assertTrue(generatorUnderTest.validate(addPKColumn, new DB2Database(), new MockSqlGeneratorChain()).getErrorMessages().contains("Cannot add a primary key column"));
assertTrue(generatorUnderTest.validate(addPKColumn, new DerbyDatabase(), new MockSqlGeneratorChain()).getErrorMessages().contains("Cannot add a primary key column"));
assertTrue(generatorUnderTest.validate(addPKColumn, new SQLiteDatabase(), new MockSqlGeneratorChain()).getErrorMessages().contains("Cannot add a primary key column"));
assertTrue(generatorUnderTest.validate(new AddColumnStatement(null, null, null, null, null, null, new AutoIncrementConstraint()), new MySQLDatabase(), new MockSqlGeneratorChain()).getErrorMessages().contains("Cannot add a non-primary key identity column"));