return
			}
			pkField = db.Statement.Schema.PrioritizedPrimaryField
			pkFieldName = db.Statement.Schema.PrioritizedPrimaryField.DBName
		}

		insertID, err := result.LastInsertId()
		insertOk := err == nil && insertID > 0

		if !insertOk {
			if !supportReturning {
				db.AddError(err)
			}
			return
		}

		// append @id column with value for auto-increment primary key

pkg database/sql, type NullString struct, String string
pkg database/sql, type NullString struct, Valid bool
pkg database/sql, type RawBytes []uint8
pkg database/sql, type Result interface { LastInsertId, RowsAffected }
pkg database/sql, type Result interface, LastInsertId() (int64, error)
pkg database/sql, type Result interface, RowsAffected() (int64, error)
pkg database/sql, type Row struct
pkg database/sql, type Rows struct