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Allow for serialization of Parquet Page Index via custom PageIndexProvider - #11031

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etseidl wants to merge 2 commits into
apache:mainfrom
etseidl:page_index_serialization
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Allow for serialization of Parquet Page Index via custom PageIndexProvider#11031
etseidl wants to merge 2 commits into
apache:mainfrom
etseidl:page_index_serialization

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@etseidl etseidl commented Sep 8, 2026

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Which issue does this PR close?

Rationale for this change

See issue, but allow for serialization of the page indexes through the PageIndexProvider API.

What changes are included in this PR?

Changes ThriftMetadataWriter to operate through the PageIndexProvider API rather than using individual column and offset index vectors. Removes some now unnecessary pub(crate) functions.

Are these changes tested?

Yes

Are there any user-facing changes?

All page indexes will now serialize, but no changes to the public API

@etseidl etseidl added the parquet Changes to the parquet crate label Sep 8, 2026
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ParquetMetaDataWriter silently omits page indexes from custom PageIndexProviders

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