alibaba / alibaba/DataX

DataX 源头读取字段数:22 与 目的表要写入的字段数:23 不相等

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Dominant language
Java
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Description

抽取mysql数据
有字段为null 能否设置这个字段值

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Research direction

Start by reproducing a MySQL extraction where one source field is null, then compare the reported source field count of 22 with the destination count of 23. Investigate how nullable fields are represented during extraction and define done as successfully writing the record with the expected field count and value.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, mysql
Domain
data-engineering, databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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