Same name and namespace in other branches
- 6.x includes/database.pgsql.inc \db_add_unique_key()
- 6.x includes/database.mysql-common.inc \db_add_unique_key()
- 8.9.x core/includes/database.inc \db_add_unique_key()
Adds a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
$fields: An array of field names.
Related topics
4 calls to db_add_unique_key()
- BasicMinimalUpdatePath::testBasicMinimalUpdate in modules/
simpletest/ tests/ upgrade/ upgrade.test - Tests a successful point release update.
- node_update_7013 in modules/
node/ node.install - Change {node}.vid default value from 0 to NULL to avoid deadlock issues on MySQL.
- system_update_7073 in modules/
system/ system.install - Add binary to {file_managed}, in case system_update_7034() was run without it.
- taxonomy_update_7002 in modules/
taxonomy/ taxonomy.install - Add {vocabulary}.machine_name column.
File
- includes/
database/ database.inc, line 3050 - Core systems for the database layer.
Code
function db_add_unique_key($table, $name, $fields) {
return Database::getConnection()
->schema()
->addUniqueKey($table, $name, $fields);
}