CREATE TRIGGER update_invoice_complex AFTER UPDATE ON t_sfi_inter_invoice FOR EACH ROW BEGIN INSERT INTO t_sfi_inter_bus_complex (OPER_TIME, OPERATION_TYPE, OLD_OBJECT,NEW_OBJECT) VALUES (NOW(), 'update',JSON_OBJECT(OLD.ID,OLD_OINVOICE_NO,OLD.SUM,OLD.FACT_SUM,OLD.STATUS,OLD.BUSINESS_ID,OLD.REINVOICE,OLD.IS_PRINTED,OLD.PRINT_USER_ID,OLD.PRINT_USER_NAME,OLD.PRINT_DATE,OLD.INVOICE_TYPE,OLD.INVOICE_STATUS,OLD.TOMB_CERTIFICATE),JSON_OBJECT(NEW.ID,OINVOICE_NO,NEW.SUM,NEW.FACT_SUM,NEW.STATUS,NEW.BUSINESS_ID,NEW.REINVOICE,NEW.IS_PRINTED,NEW.PRINT_USER_ID,NEW.PRINT_USER_NAME,NEW.PRINT_DATE,NEW.INVOICE_TYPE,NEW.INVOICE_STATUS,NEW.TOMB_CERTIFICATE)); END;优化一下

可以尝试将触发器中的JSON_OBJECT函数拆分成单独的变量，以提高可读性和易维护性。同时，将INSERT语句中的字段名改为明确的列名，而不是使用通配符。建议修改后的触发器代码如下：

CREATE TRIGGER update_invoice_complex 
AFTER UPDATE ON t_sfi_inter_invoice 
FOR EACH ROW 
BEGIN 
    DECLARE old_invoice_json JSON; 
    DECLARE new_invoice_json JSON; 

    SET old_invoice_json = JSON_OBJECT('id', OLD.ID, 
                                       'oinvoice_no', OLD.OINVOICE_NO, 
                                       'sum', OLD.SUM, 
                                       'fact_sum', OLD.FACT_SUM, 
                                       'status', OLD.STATUS, 
                                       'business_id', OLD.BUSINESS_ID, 
                                       'reinvoice', OLD.REINVOICE, 
                                       'is_printed', OLD.IS_PRINTED, 
                                       'print_user_id', OLD.PRINT_USER_ID, 
                                       'print_user_name', OLD.PRINT_USER_NAME, 
                                       'print_date', OLD.PRINT_DATE, 
                                       'invoice_type', OLD.INVOICE_TYPE, 
                                       'invoice_status', OLD.INVOICE_STATUS, 
                                       'tomb_certificate', OLD.TOMB_CERTIFICATE); 

    SET new_invoice_json = JSON_OBJECT('id', NEW.ID, 
                                       'oinvoice_no', NEW.OINVOICE_NO, 
                                       'sum', NEW.SUM, 
                                       'fact_sum', NEW.FACT_SUM, 
                                       'status', NEW.STATUS, 
                                       'business_id', NEW.BUSINESS_ID, 
                                       'reinvoice', NEW.REINVOICE, 
                                       'is_printed', NEW.IS_PRINTED, 
                                       'print_user_id', NEW.PRINT_USER_ID, 
                                       'print_user_name', NEW.PRINT_USER_NAME, 
                                       'print_date', NEW.PRINT_DATE, 
                                       'invoice_type', NEW.INVOICE_TYPE, 
                                       'invoice_status', NEW.INVOICE_STATUS, 
                                       'tomb_certificate', NEW.TOMB_CERTIFICATE); 

    INSERT INTO t_sfi_inter_bus_complex (OPER_TIME, OPERATION_TYPE, OLD_OBJECT, NEW_OBJECT) 
    VALUES (NOW(), 'update', old_invoice_json, new_invoice_json); 
END;