private function GetColumnIdentifier(Relational\Columns\Column $Column, $Alias = null) { $EscapedIdentifier = $this->IdentifierEscaper->Escape([$Column->GetTable()->GetName(), $Column->GetName()]); if ($Alias !== null) { $EscapedIdentifier = $this->IdentifierEscaper->Alias($EscapedIdentifier, $Alias); } return $EscapedIdentifier; }