src/DB/PDO/TableReader.php
public function focusIndex( $column, $value ){
		if( !in_array( $column, $this->indices ) && $column != $this->primaryKey )				//  check column name
			throw new \InvalidArgumentException( 'Column "'.$column.'" is neither an index nor primary key and cannot be focused' );
		$this->focusedIndices[$column] = $value;													//  set Focus
	}
public function focusIndex( $column, $value ){
		if( !in_array( $column, $this->indices ) && $column != $this->primaryKey )				//  check column name
			throw new \InvalidArgumentException( 'Column "'.$column.'" is neither an index nor primary key and cannot be focused' );
		$this->focusedIndices[$column] = $value;													//  set Focus
	}
public function focusIndex ( $ column , $ value ) { if ( ! in_array ( $ column , $ this -> indices ) && $ column != $ this -> primaryKey ) //  check column name throw new \ InvalidArgumentException ( 'Column "' . $ column . '" is neither an index nor primary key and cannot be focused' ) ; $ this -> focusedIndices [ $ column ] = $ value ; //  set Focus }
Setting focus on an index.
@access		public
@param		string		$column			Index column name
@param		int			$value			Index to focus on
@return		void
Setting focus on an index .