public function Sql::rewind in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/migrate/src/Plugin/migrate/id_map/Sql.php \Drupal\migrate\Plugin\migrate\id_map\Sql::rewind()
2. 10 core/modules/migrate/src/Plugin/migrate/id_map/Sql.php \Drupal\migrate\Plugin\migrate\id_map\Sql::rewind()

Implementation of \Iterator::rewind().

This is called before beginning a foreach loop.

File

core/modules/migrate/src/Plugin/migrate/id_map/Sql.php, line 870

Class

Sql

Defines the sql based ID map implementation.

Namespace

Drupal\migrate\Plugin\migrate\id_map

Code

public function rewind() {
  $this->currentRow = NULL;
  $fields = [];
  foreach ($this
    ->sourceIdFields() as $field) {
    $fields[] = $field;
  }
  foreach ($this
    ->destinationIdFields() as $field) {
    $fields[] = $field;
  }
  $this->result = $this
    ->getDatabase()
    ->select($this
    ->mapTableName(), 'map')
    ->fields('map', $fields)
    ->orderBy('destid1')
    ->execute();
  $this
    ->next();
}