wangwj

Introduce_clone_Action_and_Procedure_0418

1

### Purpose Linked issue: [open [Feature] Introduce clone Action and Procedure](https://github.com/apache/paimon/issues/3229) ### Tests ### API and Format ### Documentation

### Search before asking - [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar. ### Motivation Simple file copying is not a good solution for metadata synchronization (such as...

### Search before asking - [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar. ### Motivation Currently, Paimon has automatic clearing mechanisms for tags created by TagAutoCreation, but not...

### Purpose Linked issue: [close #xxx](https://github.com/apache/paimon/issues/3229) ### Tests ### API and Format ### Documentation

[core] support check partition expire when batch mode or bounded stream

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In my company, some paimon user have reported the following issue : Everyday the batch jobs have a running time lower than config partition.expiration-check-interval, so many partitions that should have...

[WIP][core] cut StoreSinkWriteState when write unaware bucket table

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### Purpose Now, when Flink bounded stream write to Paimon table. If the following conditions are met, checkpoint fail will occur, because paimon writer use flink UnionlistState. 1、If Source Operator...

[core] Delete redundant if statement when produce changelog by lookup for first row.

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### Purpose When I study the logic of produce changelog, I find a redundant if statement affects my understanding of the code logic. In order not to affect more people,...