Returns an entire single column of a result set as an indexed array.

Note that this method will run the result set to the end.

Parameters

$index: The index of the column number to fetch.

Return value

An indexed array, or an empty array if there is no result set.

Overrides DatabaseStatementInterface::fetchCol

File

drupal-7.x/includes/database/database.inc, line 2275

Core systems for the database layer.

Class

DatabaseStatementEmpty

Empty implementation of a database statement.

Code

public function fetchCol($index = 0) {
  return array();
}