src/applications/search/engineextension/PhabricatorSearchNgramsDestructionEngineExtension.php

   1 <?php
   2
   3 final class PhabricatorSearchNgramsDestructionEngineExtension
   4   extends PhabricatorDestructionEngineExtension {
   5
   6   const EXTENSIONKEY = 'search.ngrams';
   7
   8   public function getExtensionName() {
   9     return pht('Search Ngram');
  10   }
  11
  12   public function canDestroyObject(
  13     PhabricatorDestructionEngine $engine,
  14     $object) {
  15     return ($object instanceof PhabricatorNgramsInterface);
  16   }
  17
  18   public function destroyObject(
  19     PhabricatorDestructionEngine $engine,
  20     $object) {
  21
  22     foreach ($object->newNgrams() as $ngram) {
  23       queryfx(
  24         $ngram->establishConnection('w'),
  25         'DELETE FROM %T WHERE objectID = %d',
  26         $ngram->getTableName(),
  27         $object->getID());
  28     }
  29   }
  30
  31 }