webcol / Calima

	/**

	 * @see QueryWriter::addColumn

	 */

	public function addColumn( $type, $column, $field )

	{

		$table  = $type;

		$type   = $field;

		$table  = $this->esc( $table );

		$column = $this->esc( $column );

		$type = ( isset( $this->typeno_sqltype[$type] ) ) ? $this->typeno_sqltype[$type] : '';

		$this->adapter->exec( "ALTER TABLE $table ADD $column $type " );

	}

	/**

	 * @see QueryWriter::updateRecord

	/**

	 * @see QueryWriter::widenColumn

	 */

	public function widenColumn( $type, $column, $datatype )

	{

		$table   = $type;

		$type    = $datatype;

		$table   = $this->esc( $table );

		$column  = $this->esc( $column );

		$newtype = $this->typeno_sqltype[$type];

		$this->adapter->exec( "ALTER TABLE $table \n\t ALTER COLUMN $column TYPE $newtype " );

	}

	/**

	 * @see QueryWriter::addUniqueIndex