Explore colstats support for shredded variants #17988
Description
Task Description
What needs to be done:
As the title described, shredded variants actually store sub-columns physically, and these should have column statistics.
For reference, complex/nested field vectors are already supported via this PR:
#17694
Why this task is needed:
Improve query performance, allowing files to be pruned during query runtime.
Task Type
Performance optimization
Related Issues
Parent feature issue: (if applicable )
Related issues:
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