function Schema::addPrimaryKey

Overrides Schema::addPrimaryKey

File

core/modules/sqlite/src/Driver/Database/sqlite/Schema.php, line 756

Class

Schema

SQLite implementation of \Drupal\Core\Database\Schema.

Namespace

Code

public function addPrimaryKey($table, $fields) {
    if (!$this->tableExists($table)) {
        throw new SchemaObjectDoesNotExistException("Cannot add primary key to table '{$table}': table doesn't exist.");
    }
    $old_schema = $this->introspectSchema($table);
    $new_schema = $old_schema;
    if (!empty($new_schema['primary key'])) {
        throw new SchemaObjectExistsException("Cannot add primary key to table '{$table}': primary key already exists.");
    }
    $new_schema['primary key'] = $fields;
    $this->ensureNotNullPrimaryKey($new_schema['primary key'], $new_schema['fields']);
    $this->alterTable($table, $old_schema, $new_schema);
}