public function StatementPrefetch::fetchColumn in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Database/StatementPrefetch.php \Drupal\Core\Database\StatementPrefetch::fetchColumn()
2. 10 core/lib/Drupal/Core/Database/StatementPrefetch.php \Drupal\Core\Database\StatementPrefetch::fetchColumn()

1 call to StatementPrefetch::fetchColumn()

StatementPrefetch::fetchField in core/lib/Drupal/Core/Database/StatementPrefetch.php

Returns a single field from the next record of a result set.

File

core/lib/Drupal/Core/Database/StatementPrefetch.php, line 451

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;
  }
}