public function prepare_column( $column ) {

		$columns = $this->table->get_columns();

		if ( ! isset( $columns[ $column ] ) ) {
			throw new InvalidColumnException( "Invalid database column '$column'." );
		}

		return "{$this->alias}.`{$column}`";
	}
public function prepare_column( $column ) {

		$columns = $this->table->get_columns();

		if ( ! isset( $columns[ $column ] ) ) {
			throw new InvalidColumnException( "Invalid database column '$column'." );
		}

		return "{$this->alias}.`{$column}`";
	}
public function prepare_column ( $ column ) { $ columns = $ this -> table -> get_columns ( ) ; if ( ! isset ( $ columns [ $ column ] ) ) { throw new InvalidColumnException ( "Invalid database column '$column'." ) ; } return "{$this->alias}.`{$column}`" ; }
Prepare a column.

@since 2.0

@param $column

@return string
@throws InvalidColumnException
Prepare a column .