private function updateAuxiliaryFields() { $aux_map = array(); foreach ($this->auxiliaryFields as $aux_field) { $key = $aux_field->getStorageKey(); if ($key !== null) { $val = $aux_field->getValueForStorage(); $aux_map[$key] = $val; } } if (!$aux_map) { return; } $revision = $this->revision; $fields = id(new DifferentialAuxiliaryField())->loadAllWhere('revisionPHID = %s AND name IN (%Ls)', $revision->getPHID(), array_keys($aux_map)); $fields = mpull($fields, null, 'getName'); foreach ($aux_map as $key => $val) { $obj = idx($fields, $key); if (!strlen($val)) { // If the new value is empty, just delete the old row if one exists and // don't add a new row if it doesn't. if ($obj) { $obj->delete(); } } else { if (!$obj) { $obj = new DifferentialAuxiliaryField(); $obj->setRevisionPHID($revision->getPHID()); $obj->setName($key); } if ($obj->getValue() !== $val) { $obj->setValue($val); $obj->save(); } } } }