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   1. drupal6
   2. drupal6 database.pgsql.inc
   3. drupal7 database.inc

Set a field to have no default value.

Übergabeparameter

$ret Array to which query results will be added.

$table The table to be altered.

$field The field to be altered.

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.mysql-common.inc, line 367

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