constant Database::RETURN_NULL in Drupal 7
Flag to indicate a query call should simply return NULL.
This is used for queries that have no reasonable return value anyway, such as INSERT statements to a table without a serial primary key.
File
- includes/
database/ database.inc, line 1436 - Core systems for the database layer.
Class
- Database
- Primary front-controller for the database system.
Code
const RETURN_NULL = 0;