Module arrow_reader

Contains reader which reads parquet data into arrow RecordBatch

Modules

statistics

StatisticsConverter to convert statistics in parquet format to arrow ArrayRef.

Structs

ArrowPredicateFn

An ArrowPredicate created from an FnMut and a ProjectionMask

ArrowReaderBuilder

Builder for constructing Parquet readers that decode into Apache Arrow arrays.

ArrowReaderMetadata

The metadata necessary to construct a ArrowReaderBuilder

ArrowReaderOptions

Options that control how metadata is read for a parquet file

ParquetRecordBatchReader

An Iterator<Item = ArrowResult<RecordBatch>> that yields RecordBatch read from a parquet data source

RowFilter

Filter applied during the parquet read process

RowSelection

RowSelection allows selecting or skipping a provided number of rows when scanning the parquet file.

RowSelector

RowSelection is a collection of RowSelector used to skip rows when scanning a parquet file

Traits

ArrowPredicate

A predicate operating on RecordBatch

RowGroups

A collection of row groups

Type Aliases

ParquetRecordBatchReaderBuilder

A synchronous builder used to construct ParquetRecordBatchReader for a file