[refactor](be) Simplify new parquet complex reader assembly#64078

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suxiaogang223 merged 20 commits into

apache:refact_reader_branchfrom

suxiaogang223:codex/simplify-file-reader-schema

Jun 4, 2026

Commits on Jun 3, 2026

[refactor](be) Simplify file reader schema layout
suxiaogang223
committed
[chore](be) Clarify file block layout comments
suxiaogang223
committed
[refactor](be) Remove parquet shape-only reader
suxiaogang223
committed
[refactor](be) Clarify parquet map reader shape
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[refactor](be) Share parquet map aligned stream logic
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committed
[refactor](be) Extract parquet map list value helper
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committed
[doc](be) Mark parquet map refactor phase complete
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committed
[refactor](be) Inline parquet list level assembly
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committed
[refactor](be) Remove unused parquet list sinks
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committed
[refactor](be) Simplify parquet nested scalar batch state
suxiaogang223
committed
[refactor](be) Localize parquet map repeated assembly
suxiaogang223
committed
[refactor](be) Omit dense parquet nested value indices
suxiaogang223
committed
[doc](be) Clean up completed refactoring documents, keep only remaining tasks

suxiaogang223
and
claude
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[refactor](be) Clarify parquet list level traversal
suxiaogang223
committed
[doc](be) Update parquet reader layering status
suxiaogang223
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[doc](be) Document parquet page-level skip plan
suxiaogang223
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[doc](be) Replace layering doc with focused task plans

suxiaogang223
and
claude
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[refactor](be) Use cursor for parquet nested scalar values
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[fix](be) Fix nested scalar cursor null check
suxiaogang223
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[doc](be) Remove completed parquet cursor refactor plan
suxiaogang223
committed

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[refactor](be) Simplify new parquet complex reader assembly#64078

[refactor](be) Simplify new parquet complex reader assembly#64078
suxiaogang223 merged 20 commits into
apache:refact_reader_branchfrom
suxiaogang223:codex/simplify-file-reader-schema

Commits on Jun 3, 2026

[refactor](be) Simplify file reader schema layout

[chore](be) Clarify file block layout comments

[refactor](be) Remove parquet shape-only reader

[refactor](be) Clarify parquet map reader shape

[refactor](be) Share parquet map aligned stream logic

[refactor](be) Extract parquet map list value helper

[doc](be) Mark parquet map refactor phase complete

[refactor](be) Inline parquet list level assembly

[refactor](be) Remove unused parquet list sinks

[refactor](be) Simplify parquet nested scalar batch state

[refactor](be) Localize parquet map repeated assembly

[refactor](be) Omit dense parquet nested value indices

[doc](be) Clean up completed refactoring documents, keep only remaining tasks

[refactor](be) Clarify parquet list level traversal

[doc](be) Update parquet reader layering status

[doc](be) Document parquet page-level skip plan

[doc](be) Replace layering doc with focused task plans

[refactor](be) Use cursor for parquet nested scalar values

[fix](be) Fix nested scalar cursor null check

[doc](be) Remove completed parquet cursor refactor plan