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Preserve field metadata through physical CASE expressions - #26158

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osipovartem wants to merge 8 commits into

apache:mainfrom

Embucket:upstream-case-physical-metadata

Commits on Oct 9, 2026
- Preserve metadata in physical CASE return fields
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  b763816
- Align physical CASE metadata with logical NULL and NOT branches
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  c715abb
- Bound physical CASE metadata inference for marked functions
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  457d451
- Use existing test ConfigOptions import
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  576570a
- Carry logical CASE result metadata through physical lowering
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  3734e78
- Keep physical CASE follow-up independent of logical PR
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  dcba3ce
- Preserve planned CASE metadata through physical serialization
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  ea8d42a
- Convert CASE metadata for Arrow 60 fields
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  57507b6