}
					writer.WriteByte(')')
				}
			default:
				stmt.Vars = append(stmt.Vars, v)
				stmt.DB.Dialector.BindVarTo(writer, stmt, v)
			}
		}
	}
}

// AddClause add clause
func (stmt *Statement) AddClause(v clause.Interface) {
	if optimizer, ok := v.(StatementModifier); ok {
		optimizer.ModifyStatement(stmt)
	} else {
		name := v.Name()
		c := stmt.Clauses[name]
		c.Name = name