db_drop_unique_key

db_drop_unique_key($table, $name)

Drops a unique key.

Parameters

$table: The table to be altered.

$name: The name of the key.

Return value

bool TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.

See also

\Drupal\Core\Database\Schema::dropUniqueKey()

Related topics

Schema API

API to handle database schemas.

File

core/includes/database.inc, line 902

Core systems for the database layer.

Code

function db_drop_unique_key($table, $name) {
  return Database::getConnection()->schema()->dropUniqueKey($table, $name);
}