phorge-phorge/resources/sql/patches/20131205.buildstepordermig.php

<?php

$table = new HarbormasterBuildPlan();
$conn_w = $table->establishConnection('w');
$viewer = PhabricatorUser::getOmnipotentUser();

// Since HarbormasterBuildStepQuery has been updated to handle the
// correct order, we can't use the built in database access.

foreach (new LiskMigrationIterator($table) as $plan) {
  $planname = $plan->getName();
  echo "Migrating steps in {$planname}...\n";

  $rows = queryfx_all(
    $conn_w,
    'SELECT id, sequence FROM harbormaster_buildstep '.
    'WHERE buildPlanPHID = %s '.
    'ORDER BY id ASC',
    $plan->getPHID());

  $sequence = 1;
  foreach ($rows as $row) {
    $id = $row['id'];
    $existing = $row['sequence'];
    if ($existing != 0) {
      echo "  - {$id} (already migrated)...\n";
      continue;
    }
    echo "  - {$id} to position {$sequence}...\n";
    queryfx(
      $conn_w,
      'UPDATE harbormaster_buildstep '.
      'SET sequence = %d '.
      'WHERE id = %d',
      $sequence,
      $id);
    $sequence++;
  }
}

echo "Done.\n";