Implement the equality delta writer

[ZENOTME]

After #340 #341, we can implement the equality delta writer.

There is a rust implementation in icelake can be refer

[liurenjie1024]

Hi, @ZENOTME Since we have finished the framework, I'm thinking about providing a high level api such as append in python first rather providing these low level apis, what do you think?

[ZENOTME]

Hi, @ZENOTME Since we have finished the framework, I'm thinking about providing a high level api such as append in python first rather providing these low level apis, what do you think?

Sure. I can work on it later and add the e2e test for the writer. But can this work be done in parallel with low-level writers, seems there are someone interested in them.

[QuakeWang]

Please assign it to me, I will do it later : )

[ZENOTME]

Please assign it to me, I will do it later : )

Sure. Thanks! But this issue was blocked by #341 #340 now.

[QuakeWang]

Please assign it to me, I will do it later : )

Sure. Thanks! But this issue was blocked by #341 #340 now.

OK, I get it. I will proceed after #340 and #341 are completed.

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[github-actions]

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