db_next_id

• Drupal 4.6
• Drupal 4.7
• Drupal 5

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Definition

db_next_id($name)
includes/database.pgsql.inc, line 199

Description

Return a new unique ID in the given sequence.

For compatibility reasons, Drupal does not use auto-numbered fields in its database tables. Instead, this function is used to return a new unique ID of the type requested. If necessary, a new sequence with the given name will be created.

Related topics

Name	Description
Database abstraction layer	Allow the use of different database servers using the same code base.

Code

<?php
function db_next_id($name) {
  $id = db_result(db_query("SELECT nextval('%s_seq')", db_prefix_tables($name)));
  return $id;
}
?>