public function DatabaseStatementEmpty::fetchField in Drupal 7

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

Parameters

$index: The numeric index of the field to return. Defaults to the first field.

Return value

A single field from the next record, or FALSE if there is no next record.

Overrides DatabaseStatementInterface::fetchField

File

includes/database/database.inc, line 2368

Core systems for the database layer.

Class

DatabaseStatementEmpty

Empty implementation of a database statement.

Code

public function fetchField($index = 0) {
  return NULL;
}