1 database.inc db_add_unique_key($table, $name, array $fields)

Adds a unique key.

Parameters

string $table: The table to be altered.

string $name: The name of the key.

array $fields: An array of field names.

Return value

void:

Related topics

Schema API API to handle database schemas.

File

core/includes/database/database.inc, line 3214
Core systems for the database layer.

Code

function db_add_unique_key($table, $name, array $fields) {
  Database::getConnection()->schema()->addUniqueKey($table, $name, $fields);
}