Module parquet 

Parquet format decoder, encoder, and schema provider (F-SCHEMA-007).

Feature-gated behind parquet-lookup. Provides:

• ParquetDecoder — decodes complete Parquet file bytes into Arrow RecordBatches via ParquetRecordBatchReaderBuilder with projection pushdown and row-group filtering.
• ParquetEncoder — encodes Arrow RecordBatches into Parquet file bytes with configurable compression and row-group sizing.
• ParquetSchemaProvider — reads Parquet file footer to extract an authoritative Arrow schema with per-field metadata.

Structs

ParquetDecoder

Decodes Parquet file bytes into Arrow RecordBatches.

ParquetDecoderConfig

Configuration for the Parquet decoder.

ParquetEncoder

Encodes Arrow RecordBatches into Parquet file bytes.

ParquetEncoderConfig

Configuration for the Parquet encoder.

ParquetSchemaProvider

Provides an Arrow schema extracted from a Parquet file’s footer.

Enums

RowGroupPredicate

Predicate for row-group level filtering.