public function StatementPrefetch::fetchColumn

public StatementPrefetch::fetchColumn($index = 0)

File

core/lib/Drupal/Core/Database/StatementPrefetch.php, line 390

Class

StatementPrefetch

An implementation of StatementInterface that prefetches all data.

Namespace

Drupal\Core\Database

Code

public function fetchColumn($index = 0) {
  if (isset($this->currentRow) && isset($this->columnNames[$index])) {
    // We grab the value directly from $this->data, and format it.
    $return = $this->currentRow[$this->columnNames[$index]];
    $this->next();
    return $return;
  }
  else {
    return FALSE;
  }
}