abstract public function DatabaseSchema::addUniqueKey
abstract public DatabaseSchema::addUniqueKey($table, $name, $fields)
Add a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
$fields: An array of field names.
Throws
DatabaseSchemaObjectDoesNotExistException If the specified table doesn't exist.
DatabaseSchemaObjectExistsException If the specified table already has a key by that name.
File
- includes/database/schema.inc, line 533
- Generic Database schema code.
Class
Code
abstract public function addUniqueKey($table, $name, $fields);
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