Implement saving queries.

Summary: Enable saved query objects to actually be saved to the database.

Test Plan: Insert a call to save() and check that the query is written correctly.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin, AnhNhan

Maniphest Tasks: T2625

Differential Revision: https://secure.phabricator.com/D5775

Conflicts:

src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php

resources/sql/patches/20130426.search_savedquery.sql

···
+CREATE TABLE {$NAMESPACE}_search.search_savedquery (
+  id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+  engineClassName VARCHAR(255) NOT NULL COLLATE utf8_bin,
+  parameters LONGTEXT NOT NULL COLLATE utf8_bin,
+  dateCreated INT(10) UNSIGNED NOT NULL,
+  dateModified INT(10) UNSIGNED NOT NULL,
+  queryKey VARCHAR(12) NOT NULL COLLATE utf8_bin,
+  PRIMARY KEY(id),
+  UNIQUE KEY key_queryKey (queryKey)
+)
+ENGINE=InnoDB, COLLATE utf8_general_ci

src/applications/search/storage/PhabricatorSavedQuery.php

···
 final class PhabricatorSavedQuery extends PhabricatorSearchDAO {
 
   protected $parameters = array();
+  protected $queryKey = "";
+  protected $engineClassName = "PhabricatorPasteSearchEngine";
 
   public function getConfiguration() {
     return array(
···
 
   public function getParameter($key, $default = null) {
     return idx($this->parameters, $key, $default);
+  }
+
+  public function save() {
+    if ($this->getEngineClass() === null) {
+      throw new Exception(pht("Engine class is null."));
+    }
+
+    $serial = $this->getEngineClass().serialize($this->parameters);
+    $this->queryKey = PhabricatorHash::digestForIndex($serial);
+
+    return parent::save();
   }
 }

src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php

···
         'type' => 'sql',
         'name' => $this->getPatchPath('20130423.conpherenceindices.sql'),
       ),
+      '20130426.search_savedquery.sql' => array(
+        'type' => 'sql',
+        'name' => $this->getPatchPath('20130426.search_savedquery.sql'),
+      ),
     );
   }
 }