reswqa

This closes #13612. Any ideas about this are welcome :).

This should be a breaking change as null value is no longer be treated as a string `null`.

Maybe I can optimize `arr.sum` of boolean type via `count_boolean_bits` in the next PR.

[FLINK-31223] sql-client.sh fails to start with ssl enabled

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## What is the purpose of the change *`SqlClient` now uses `SqlGateway` for job submission. It will connect to the gateway's `RestServer` through the `RestClient` to interact. when we create...

Bump PyO3 to 0.21.0?

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Since `PyO3` `0.21.0` has been released and has a big performance improvement. Many downstream projects will upgrade to the latest version of PyO3. Take `opendal`(has both pyo3 and pyo3-asyncio dependencies)...

Change `search_lib_dir`'s return type to Result

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This closes #3952.

[FLINK-34549][API] Introduce config, context and processingTimerService for DataStream API V2

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## What is the purpose of the change *Implementation of FLIP-410. This PR will Introduce `config`, `context` and `processingTimerService` for DataStream API V2.* ## Brief change log - *Introduce `ProcessConfigurable`...

### Purpose Linked issue: close #4045 Flink has introduced [Materialized Table](https://nightlies.apache.org/flink/flink-docs-release-1.20/docs/dev/table/materialized-table/overview/) in 1.20 release, we can support it in Paimon connector. ### Documentation No

[Feature] Support Flink Materialized Table

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### Search before asking - [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar. ### Motivation Flink has introduced [Materialized Table](https://nightlies.apache.org/flink/flink-docs-release-1.20/docs/dev/table/materialized-table/overview/) in 1.20 release, we can support it in...

[FLINK-35825][hive] HiveTableSource supports report statistics for text file

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## What is the purpose of the change *HiveTableSource supports report statistics for text file* (NB. Most of the authorship belongs to @WencongLiu) ## Brief change log - *Introduce a...