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db_drop_unique_key

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

Drop a unique key.

Parameters

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

$table: The table to be altered.

$name: The name of the key.

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.

41 functions call db_drop_unique_key()

File

drupal/includes/database.mysql-common.inc, line 424
Functions shared between mysql and mysqli database engines.

Code

<?php
function db_drop_unique_key(&$ret, $table, $name) {
  $ret[] = update_sql('ALTER TABLE {' . $table . '} DROP KEY ' . $name);
}
?>