alibaba / alibaba/DataX

clickhouseWriter 的 writeMode 只能 insert,不能 update / replace?

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Dominant language
Java
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Description

如题,使用[datax_v202309](https://github.com/alibaba/DataX/releases/tag/datax_v202309),

writeMode 只能是insert, 使用 update 或 replace 会报错。
请问支持 update 和 replace 了吗?

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by locating the clickhouseWriter implementation and its writeMode handling, then reproduce the reported error using the datax_v202309 release with update and replace. Check existing writer tests or examples for supported modes; done means establishing whether these modes are supported and adding documented, tested behavior for the confirmed result.

Written by the indexing model from the issue text.

Assessment

Tech stack
clickhouse, java
Domain
data-engineering, databases
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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