public function DatabaseStatementPrefetch::fetchColumn

7.x prefetch.inc public DatabaseStatementPrefetch::fetchColumn($index = 0)
1 call to DatabaseStatementPrefetch::fetchColumn()
DatabaseStatementPrefetch::fetchField in drupal/includes/database/prefetch.inc
Returns a single field from the next record of a result set.

File

drupal/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;
  }
}