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1. drupal
   1. drupal7

Add a primary key.

Übergabeparameter

$ret Array to which query results will be added.

$table The table to be altered.

$fields Fields for the primary key.

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/schema.inc, line 408

<?php
public function addPrimaryKey(&$ret, $table, $fields) {
  $ret[] = update_sql('ALTER TABLE {' . $table . '} ADD PRIMARY KEY (' . implode(',', $fields) . ')');
}
?>