[Parquet] Provide only encrypted column stats in plaintext footer#8305

Merged

alamb merged 27 commits intoapache:mainfrom

rok:plaintext_statistics

Jan 23, 2026

Commits on Jan 7, 2026

Initial commit
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rebase
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rebase and adjust to refactor
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tmp
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Remove statistics just prior to thrift serialization
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minor change
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test writer produced metadata
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DRY
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not there yet
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work
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Add test_read_subset_of_encrypted_columns_with_plaintext_footer
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Encrypt ColumnChunk metadata, only encode stats to thrift if no encrypted_column_metadata is present.
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Fix plaintext footer statistics handling for encrypted columns
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lint
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Refactor tests and add extra test cases

adamreeve
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Clippy fix

adamreeve
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review feedback
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clippy
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work
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Apply suggestion from @adamreeve

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and
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review feedback
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Review feedback
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Review feedback
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lint
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clarifying comment
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Commits on Jan 17, 2026

Merge remote-tracking branch 'apache/main' into plaintext_statistics
alamb
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Commits on Jan 21, 2026

set ArrowReaderOptions.with_encoding_stats_as_mask(false)
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