private function loadPolls(AphrontPagerView $pager, $view)
 {
     $request = $this->getRequest();
     $user = $request->getUser();
     $poll = new PhabricatorSlowvotePoll();
     $conn = $poll->establishConnection('r');
     $offset = $pager->getOffset();
     $limit = $pager->getPageSize() + 1;
     switch ($view) {
         case self::VIEW_ALL:
             $data = queryfx_all($conn, 'SELECT * FROM %T ORDER BY id DESC LIMIT %d, %d', $poll->getTableName(), $offset, $limit);
             break;
         case self::VIEW_CREATED:
             $data = queryfx_all($conn, 'SELECT * FROM %T WHERE authorPHID = %s ORDER BY id DESC
         LIMIT %d, %d', $poll->getTableName(), $user->getPHID(), $offset, $limit);
             break;
         case self::VIEW_VOTED:
             $choice = new PhabricatorSlowvoteChoice();
             $data = queryfx_all($conn, 'SELECT p.* FROM %T p JOIN %T o
         ON o.pollID = p.id
         WHERE o.authorPHID = %s
         GROUP BY p.id
         ORDER BY p.id DESC
         LIMIT %d, %d', $poll->getTableName(), $choice->getTableName(), $user->getPHID(), $offset, $limit);
             break;
     }
     $data = $pager->sliceResults($data);
     return $poll->loadAllFromArray($data);
 }
 protected function loadPage()
 {
     $table = new PhabricatorSlowvotePoll();
     $conn_r = $table->establishConnection('r');
     $data = queryfx_all($conn_r, 'SELECT p.* FROM %T p %Q %Q %Q %Q', $table->getTableName(), $this->buildJoinsClause($conn_r), $this->buildWhereClause($conn_r), $this->buildOrderClause($conn_r), $this->buildLimitClause($conn_r));
     return $table->loadAllFromArray($data);
 }
<?php

$table = new PhabricatorSlowvotePoll();
$conn_w = $table->establishConnection('w');
$iterator = new LiskMigrationIterator($table);
foreach ($iterator as $slowvote) {
    $id = $slowvote->getID();
    echo pht('Adding mail key for Slowvote %d...', $id);
    echo "\n";
    queryfx($conn_w, 'UPDATE %T SET mailKey = %s WHERE id = %d', $table->getTableName(), Filesystem::readRandomCharacters(20), $id);
}