[Feature] Introduce a bulk insert mode for dynamic bucket

[JingsongLi]

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• I searched in the issues and found nothing similar.

Motivation

Remove bucket assigner node.

Solution

No response

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!

[TaoZex]

I am interested in this task, please assign to me.

[JingsongLi]

I am interested in this task, please assign to me.

Welcome, You can just create a pull request.

[baimafeima-yf]

Is this feature available now？ i want to bulk insert to the dynamic table. i have two question:
1.how to bulk insert .If according to the official example, if there are 100000 pieces of data, the write method will be called 100000 times ，Will this seriously affect efficiency?
2.if dynamic table execute “write.write(row)”.it will appears:"Can't extract bucket from row in dynamic bucket mode, you should use 'TableWrite.write(InternalRow row, int bucket)' method."
Can I successfully execute the write method without specifying a bucket

[baimafeima-yf]

@JingsongLi @TaoZex