/**
* @param string $name
* @return static
*/
public function dropConstraint($name)
{
if (!empty($this->renameColumns)) {
trigger_error('One statement must rename a column, other separate statements must change table definition.', E_USER_DEPRECATED);
return $this;
}
return parent::dropConstraint($name);
}
/**
* @covers Zend\Db\Sql\Ddl\AlterTable::getSqlString
* @todo Implement testGetSqlString().
*/
public function testGetSqlString()
{
$at = new AlterTable('foo');
$at->addColumn(new Column\Varchar('another', 255));
$at->changeColumn('name', new Column\Varchar('new_name', 50));
$at->dropColumn('foo');
$at->addConstraint(new Constraint\ForeignKey('my_fk', 'other_id', 'other_table', 'id', 'CASCADE', 'CASCADE'));
$at->dropConstraint('my_index');
$expected = <<<EOS
ALTER TABLE "foo"
ADD COLUMN "another" VARCHAR(255) NOT NULL ,
CHANGE COLUMN "name" "new_name" VARCHAR(50) NOT NULL ,
DROP COLUMN "foo",
ADD CONSTRAINT "my_fk" FOREIGN KEY ("other_id") REFERENCES "other_table" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
DROP CONSTRAINT "my_index"
EOS;
$this->assertEquals($expected, $at->getSqlString());
}