Module arrow_reader

Source
Expand description

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
ArrowReaderBuilder
Builder for constructing parquet readers into arrow.
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