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perf: simplify HashJoinExec dynamic filter, drop CASE routing - #21931

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adriangb wants to merge 10 commits into

apache:mainfrom

pydantic:worktree-dynamic-filter-restructure

Commits on May 14, 2026
- perf: collapse all-Map dynamic filter into MultiMapLookupExpr
  
  adriangb
  and
  claude
  committed
  7c519f3
- perf: collapse small all-InList dynamic filter into one cross-partition IN (SET)
  
  adriangb
  and
  claude
  committed
  75dac84
- refactor: drop CASE routing from Partitioned dynamic filters
  
  adriangb
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  claude
  committed
  62f426e
- refactor: dedup cross-partition InList, reuse per-partition cap
  
  adriangb
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  claude
  committed
  4cefb73
- fix(ci): sync information_schema.slt + drop redundant rustdoc link
  
  adriangb
  and
  claude
  committed
  fb3f862
- docs: rewrite comments to describe the code, not the change
  
  adriangb
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  claude
  committed
  876eb02
- chore: deprecate HashExpr; mirror lit(true) proto serde for MultiMapLookupExpr
  
  adriangb
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  claude
  committed
  c66ce54
- review: regression tests + doc clarifications for dynamic-filter rewrite
  adriangb
  committed
  279c4de
Commits on May 15, 2026
- fix(ci): sync information_schema.slt with new max_distinct_values doc
  adriangb
  committed
  b90896a
Commits on May 17, 2026
- fix: keep global join-key bounds index-aligned across partitions
  
  adriangb
  and
  claude
  committed
  42adf29