DrupalAPI.de

1. drupal
   1. drupal6 database.mysql-common.inc
   2. drupal6
   3. drupal7 database.inc

Set the default value for a field.

Übergabeparameter

$ret Array to which query results will be added.

$table The table to be altered.

$field The field to be altered.

$default Default value to be set. NULL for 'default NULL'.

Verwandte Themen

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.

Code

includes/database.pgsql.inc, line 717

<?php
function db_field_set_default(&$ret, $table, $field, $default) {
  if ($default == NULL) {
    $default = 'NULL';
  }
  else {
    $default = is_string($default) ? "'$default'" : $default;
  }

  $ret[] = update_sql('ALTER TABLE {' . $table . '} ALTER COLUMN ' . $field . ' SET DEFAULT ' . $default);
}
?>