function StatementPrefetch::fetchColumn

Same name in other branches
  1. 9 core/lib/Drupal/Core/Database/StatementPrefetch.php \Drupal\Core\Database\StatementPrefetch::fetchColumn()
  2. 8.9.x 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 pre-fetches 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;
    }
}

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