refactor: (WIP)exprimental parquet reader#18498

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dantengsky wants to merge 20 commits intodatabendlabs:mainfrom

dantengsky:refactor-experiment-reader-cut-2

Commits on Aug 11, 2025

refactor: exprimental parquet reader

dantengsky
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zhaoboran
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revert string iterator( performance degrades)

dantengsky
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zhaoboran
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fix missing license header

dantengsky
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zhaoboran
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revert configs

dantengsky
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zhaoboran
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taplo fmt

dantengsky
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zhaoboran
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toml format

dantengsky
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zhaoboran
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format toml, again

dantengsky
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zhaoboran
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fix: revert arrow converters

dantengsky
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zhaoboran
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fix bitmap len mismatch

dantengsky
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zhaoboran
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tweak parquet physical type mappings

dantengsky
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zhaoboran
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align lz4_flex version

dantengsky
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zhaoboran
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rename switch settings name to use_experimental_parquet_reader

zhaoboran
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zhaoboran
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re-enable dictionary decoding for string column

zhaoboran
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zhaoboran
committed

Commits on Aug 13, 2025

optimize plain encoding
dantengsky
committed