alibaba / alibaba/DataX

Channel.pullAll(Collection<Record> rs)中会出现空的值导致写入成功比读取的数据多一条

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Dominant language
Java
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Description

![image](https://user-images.githubusercontent.com/19258506/76866065-7efc5480-685b-11ea-9a9d-3af5019be106.png)

Contributor guide

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Research direction

Start at Channel.pullAll(Collection rs) and inspect the attached image for the reported behavior. Reproduce the case that produces an empty value, then trace how records are read and written; done means the empty value no longer causes the written count to exceed the read count.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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