/**
* Adds a column to current create query
*
* @param string $name The column name
* @param array $options Column definitions (size, type, etc..)
*
* @return \Slick\Database\Query\Ddl\Create A self instance for method
* call cahins
*/
public function addColumn($name, $options = array())
{
$options['name'] = $name;
$this->_columns->append(new Utility\Column($options));
return $this;
}
/**
* Sets an index to be deleted
*
* @param string $column The column name
*
* @return \Slick\Database\Query\Ddl\Alter
*/
public function dropIndex($column)
{
$idx = new Index(array('name' => "{$column}_idx", 'indexColumns' => array($column)));
$this->_droppedIndexes->append($idx);
return $this;
}
/**
* Returns the foreign keys on this data definition
*
* @return \Slick\Database\Query\Ddl\Utility\ElementList A ForeignKey list
*
* @see Slick\Database\Query\Ddl\Utility::ForeignKey
*/
public function getForeignKeys()
{
$frks = new ElementList();
$this->getLines();
foreach ($this->_frks as $line) {
$frk = $this->_parseForeignKey($line);
if ($frk) {
$frks->append($frk);
}
}
return $frks;
}