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();
}
}
}
}
