function db_add_unique_key
7.x database.inc | db_add_unique_key($table, $name, $fields) |
6.x database.pgsql.inc | db_add_unique_key(&$ret, $table, $name, $fields) |
6.x database.mysql-common.inc | db_add_unique_key(&$ret, $table, $name, $fields) |
Adds a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
$fields: An array of field names.
Related topics
3 calls to db_add_unique_key()
- node_update_7013 in drupal-7.x/
modules/ node/ node.install - Change {node}.vid default value from 0 to NULL to avoid deadlock issues on MySQL.
- system_update_7073 in drupal-7.x/
modules/ system/ system.install - Add binary to {file_managed}, in case system_update_7034() was run without it.
- taxonomy_update_7002 in drupal-7.x/
modules/ taxonomy/ taxonomy.install - Add {vocabulary}.machine_name column.
File
- drupal-7.x/
includes/ database/ database.inc, line 2915 - Core systems for the database layer.
Code
function db_add_unique_key($table, $name, $fields) {
return Database::getConnection()->schema()->addUniqueKey($table, $name, $fields);
}