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Jerry的SAP技术分享

Jerry Wang,2007 年从电子科技大学计算机专业硕士毕业后加入 SAP 成都研究院工作至今。
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10840
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使用 ABAP 代码给 OData 元数据增添注解的一些例子
最近有读者向我咨询,关于当系统在 SAP NetWeaver 740 之上运行时,如何向 OData 服务添加注解(annotation)。
Jerry Wang
2022-12-23
2270
SAP Gateway Foundation 里的 batch 操作
SAP Gateway Foundation (SAP_GWFND) 是一个在 SAP NetWeaver 中可用的软件组件。
Jerry Wang
2022-12-19
3850
SAP UI5 ODataModel.createEntry 单步调试
第一个参数为 entitySet 名称,第二个参数为待创建的 entry payload:
Jerry Wang
2022-10-06
2920
在 Business Application Studio 里使用 SAP UI5 应用消费 OData 的 Create 和 Delete 操作
在 SAP Business Application Studio 里创建一个 SAP UI5 应用,应该具有如下的项目结构:
Jerry Wang
2022-07-25
3090
关于 SAP UI5 参数 $$updateGroupId 前面两个 $ 符号的含义
我的 SAP UI5 教程,SAP UI5 应用开发教程之六十五 - 基于 OData V4 的 SAP UI5 表格控件如何实现创建,编辑和保存功能,里面演示了通过 XML 视图的方式,非 SAP UI5 Table 控件,定义复合绑定路径的语法,如下图所示:
Jerry Wang
2022-06-27
1.4K0
SAP UI5 框架是如何执行 batch 请求的单步调试
正常的 batch 操作,response 的 content-type 不应该返回 html 类型:
Jerry Wang
2022-03-10
2400
SAP UI5 应用读取 CSRF token 的 HTTP head 请求逻辑解析
SAP UI5 应用在发送 OData batch 请求之前,会通过下列的_createBatchRequest方法构造 batch 请求对象:
Jerry Wang
2022-03-10
4370
使用 SAP UI5 消费 OData 服务的一些常见错误和解决方案
原因是 maxdataserviceversion 这个和 OData 服务版本相关的字段,没有出现在服务器端配置的 Access-Control-Allow-Headers 数组里,因此引起了跨域 CORS error.
Jerry Wang
2022-03-10
6620
SAP UI5 batch 请求的响应解析流程分析
boundary 的一个例子:batchresponse_16aba97e-4311-41a4-8c64-302727d1d02e readBatch 的具体处理逻辑还是,基于字符串匹配,即使用 indexOf 查找 boundary 字符串:
Jerry Wang
2022-03-10
3180
SAP CRM Fiori Simulation Pipeline 设计介绍
(1) These two applications are very stable, almost no incidents are reported for both after Chengdu team get ownership from India dev team. (2) No further development has been done by Chengdu team.
Jerry Wang
2021-07-21
2460
SAP Fiori 页面的周期性动态刷新功能的实现步骤
如果是 Jerry 之前视频 一步步创建 SAP Fiori Elements 应用 介绍的 SAP Fiori Elements Overview 应用,要实现页面自动刷新比较容易,直接在 manifest.json 里使用属性 refreshIntervalInMinutes 定义刷新时间间隔即可。
Jerry Wang
2021-06-10
5470
Offline creation url pattern
BP 创建dependent object “MarketingAttribute” 的实现:看红色的url
Jerry Wang
2021-02-23
2940
Attachment upload issue in FaaS
Rename attachments in MyTask app on FaaS. The root cause of this issue is: the HTTP request header field ‘newfilename’ is missing in Gateway system. And the Gateway team gives us below investigation result. As we discussed, I changed the file rename request to batch request and issue is solved.
Jerry Wang
2021-02-23
6100
SAP OData batch request的并行处理实现原理
Created by Jerry Wang, last modified on Oct 30, 2015 用下面这个方法检查全局设置: 检查batch 并行处理是否已经被disable:
Jerry Wang
2021-02-23
6030
How to trouble shoot if there is no entityset available when creating a tile
In my case, when I first select F4 value help for “Entity Set”, I can see a series of CDS views listed, which are retrieved by the batch request observed in Chrome development tool.
Jerry Wang
2021-02-22
1660
ABAP并发计算的一个实例
During myTask performance optimization, I realized that currently the read implementation of 5 expanded nodes: Userstatus, document history, document item, attachment etc are done sequentially.
Jerry Wang
2021-02-22
4050
SAP Leonardo机器学习模型重新训练的日志
Scanning dataset flowersjerry … Dataset used: flowersjerry Dataset has labels: [‘sunflowers’, ‘roses’, ‘daisy’, ‘dandelion’, ‘tulips’] 364 images are used for test 2832 images are used for training 362 images are used for validation Scale of 0 disables regularizer. Layer ‘InceptionV3/Logits’ will be retrained. Restoring parameters from base-model/inception_v3.ckpt Serialized 64 features vectors to training1.tfrecords Serialized 128 features vectors to training1.tfrecords Serialized 192 features vectors to training1.tfrecords Serialized 256 features vectors to training1.tfrecords Serialized 320 features vectors to training1.tfrecords Serialized 384 features vectors to training1.tfrecords Serialized 448 features vectors to training1.tfrecords Serialized 512 features vectors to training1.tfrecords Serialized 576 features vectors to training1.tfrecords Serialized 640 features vectors to training1.tfrecords Serialized 704 features vectors to training1.tfrecords Serialized 768 features vectors to training1.tfrecords Serialized 832 features vectors to training1.tfrecords Serialized 896 features vectors to training1.tfrecords Serialized 960 features vectors to training1.tfrecords Serialized 1024 features vectors to training1.tfrecords Serialized 1088 features vectors to training1.tfrecords Serialized 1152 features vectors to training1.tfrecords Serialized 1216 features vectors to training1.tfrecords Serialized 1280 features vectors to training1.tfrecords Serialized 1344 features vectors to training1.tfrecords Serialized 1408 features vectors to training1.tfrecords Serialized 1472 features vectors to training1.tfrecords Serialized 1536 features vectors to training1.tfrecords Serialized 1600 features vectors to training1.tfrecords Serialized 1664 features vectors to training1.tfrecords Serialized 1728 features vectors to training1.tfrecords Serialized 1792 features vectors to training1.tfrecords Serialized 1856 features vectors to training1.tfrecords Serialized 1920 features vectors to
Jerry Wang
2021-02-22
3200
SAP CRM Settype COM_TA_R3_ID的映射逻辑
Just write down my research for later usage, it could also be considered as an answer to this question In which table of CRM the Serial number and Equipment information stores.
Jerry Wang
2020-09-02
4360
如何使用Chrome扩展应用postman发送SAP UI5 batch操作
There is a standard Gateway client tool ( transaction code /IWFND/GW_CLIENT ) which allows us to launch odata request without browser for testing purpose. And there is another approach which can achieve the same result without using SAPGUI, that is Chrome extension: postman.
Jerry Wang
2020-08-10
4280
SAP CRM Fiori应用冗余round trip的原因分析
有同事抱怨每次他们保存一个appointment时,除了正常的batch 操作外,还有3个莫名的read 操作。
Jerry Wang
2020-02-28
4900
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