public function DatabaseStatementPrefetch::fetchColumn in Drupal 7

1 call to DatabaseStatementPrefetch::fetchColumn()

DatabaseStatementPrefetch::fetchField in includes/database/prefetch.inc

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

File

includes/database/prefetch.inc, line 373

Database interface code for engines that need complete control over their result sets. For example, SQLite will prefix some column names by the name of the table. We post-process the data, by renaming the column names using the same convention as…

Class

DatabaseStatementPrefetch

An implementation of DatabaseStatementInterface that prefetches all data.

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;
  }
}