cshuo opened a new pull request, #17683:
URL: https://github.com/apache/hudi/pull/17683
…mns without column stats
### Describe the issue this Pull Request addresses
Improving data skipping with column stats when there exist columns without
column stats, fixes #17598
### Summary and Changelog
1. Build `ColumnStatsProbe` with filtered predicates that contain columns
with column stats index.
2. Add `HoodieFlinkIndexClient` to support persist column stats index
definition for flink write client.
### Impact
Improve batch query performance for flink reader when column stats is
enabled.
### Risk Level
low.
### Documentation Update
<!-- Describe any necessary documentation update if there is any new
feature, config, or user-facing change. If not, put "none".
- The config description must be updated if new configs are added or the
default value of the configs are changed.
- Any new feature or user-facing change requires updating the Hudi website.
Please follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website)
to make changes to the website. -->
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Enough context is provided in the sections above
- [ ] Adequate tests were added if applicable
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