public function StatementPrefetch::fetchColumn

1 call to StatementPrefetch::fetchColumn()
StatementPrefetch::fetchField in drupal/core/lib/Drupal/Core/Database/StatementPrefetch.php
Returns a single field from the next record of a result set.

File

drupal/core/lib/Drupal/Core/Database/StatementPrefetch.php, line 372
Definition of Drupal\Core\Database\StatementPrefetch

Class

StatementPrefetch
An implementation of DatabaseStatementInterface 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;
  }
}