Home » API reference » Drupal 6 » database.mysql-common.inc

db_field_set_no_default

6 database.mysql-common.inc db_field_set_no_default(&$ret, $table, $field)
6 database.pgsql.inc db_field_set_no_default(&$ret, $table, $field)
7 database.inc db_field_set_no_default($table, $field)
8 database.inc db_field_set_no_default($table, $field)

Set a field to have no default value.

Parameters

$ret: Array to which query results will be added.

$table: The table to be altered.

$field: The field to be altered.

Related topics

Schema API
A Drupal schema definition is an array structure representing one or more tables and their related keys and indexes. A schema is defined by hook_schema(), which usually lives in a modulename.install file.

12 functions call db_field_set_no_default()

File

drupal/includes/database.mysql-common.inc, line 366
Functions shared between mysql and mysqli database engines.

Code

<?php
function db_field_set_no_default(&$ret, $table, $field) {
  $ret[] = update_sql('ALTER TABLE {' . $table . '} ALTER COLUMN ' . $field . ' DROP DEFAULT');
}
?>