GH-43695: [C++][Parquet] flatbuffers metadata integration#48431

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Jiayi-Wang-db wants to merge 23 commits intoapache:mainfrom

Jiayi-Wang-db:flatbuf3

Commits on Mar 5, 2026

1/n flatbuf footer

alkis
authored and
rok
committed
2/n remove deprecated ColumnChunk.file_offset

alkis
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rok
committed
3/n optimize statistics

alkis
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rok
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4/n optimize offsets, num_values, and byte counts

alkis
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rok
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5/n if column chunk is dense do not encode num_values

alkis
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rok
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6/n remove encoding_stats

alkis
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rok
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7/n remove path_in_schema

alkis
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rok
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8/n remove encodings

alkis
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rok
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9/n optimize statistics take 2

alkis
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rok
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Update to latest flatbuf definition. Store 64-bit offsets and lengths instead of relative ones. Implement Geo types. Add Float16 and Variant. Pack statistics better

alkis
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rok
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fix benchmark build

Jiayi-Wang-db
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rok
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split code

Jiayi-Wang-db
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rok
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Add reader and writer flag and embed metadata3 into thrift

Jiayi-Wang-db
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rok
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test

Jiayi-Wang-db
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rok
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reduce duplicate code

Jiayi-Wang-db
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rok
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Fix is_fully_dict_encoded

Jiayi-Wang-db
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rok
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fix build

Jiayi-Wang-db
authored and
rok
committed

Commits on Mar 6, 2026

Some review feedback
rok
committed

Commits on Mar 11, 2026