Package org.bytedeco.arrow_dataset

Class Summary

Class	Description
AndExpression
AndExpressionImpl
BinaryExpression	Base class for an expression with exactly two operands
CastExpression	Explicitly cast an expression to a different type
CastExpressionImpl	Helper class which implements Copy and forwards construction
ComparisonExpression
ComparisonExpressionImpl
CsvFileFormat
CustomExpression
Dataset	\brief A container of zero or more Fragments.
DatasetFactory	\brief DatasetFactory provides a way to inspect/discover a Dataset's expected schema before materializing said Dataset.
DatasetFactoryResult
DatasetResult	A class for representing either a usable value, or an error.
Expression	Represents an expression tree
ExpressionEvaluator	Interface for evaluation of expressions against record batches.
ExpressionResult
ExpressionType
ExpressionVector
ExpressionVector.Iterator
FieldExpression	Represents a reference to a field.
FileFormat	\brief Base class for file format implementation
FileFragment	\brief A Fragment that is stored in a file with a known format
FileFragmentResult
FileFragmentVector
FileFragmentVector.Iterator
FileReaderResult
FileSource	\brief The path and filesystem where an actual file is located or a buffer which can be read like a file
FileSystemDataset	\brief A Dataset of FileFragments.
FileSystemDatasetFactory	\brief FileSystemDatasetFactory creates a Dataset from a vector of fs::FileInfo or a fs::FileSelector.
FileSystemDatasetResult
FileSystemFactoryOptions
FilterIterator	\brief Like MapIterator, but where the function can fail.
FinishOptions
Fragment	\brief A granular piece of a Dataset, such as an individual file.
FragmentIterator	\brief A generic Iterator that can return errors
FragmentIterator.RangeIterator
FragmentIteratorResult
FragmentResult
FragmentVectorResult
InExpression
InExpressionImpl
InMemoryDataset	\brief A Source which yields fragments wrapping a stream of record batches.
InMemoryDataset.RecordBatchGenerator
InMemoryFragment	\brief A trivial Fragment that yields ScanTask out of a fixed set of RecordBatch.
InMemoryScanTask	\brief A trivial ScanTask that yields the RecordBatch of an array.
InspectOptions
IpcFileFormat	\brief A FileFormat implementation that reads from and writes to Ipc files
IsValidExpression
IsValidExpressionImpl
NotExpression
NotExpressionImpl
OrExpression
OrExpressionImpl
ParquetDatasetFactory	\brief Create FileSystemDataset from custom _metadata cache file.
ParquetFactoryOptions
ParquetFileFormat	\brief A FileFormat implementation that reads from Parquet files
ParquetFileFragment	\brief A FileFragment with parquet logic.
Partitioning
PartitioningFactory
PartitioningOrFactory
ReadaheadPromise
ReadaheadQueue
RecordBatchProjector
RowGroupInfo	\brief Represents a parquet's RowGroup with extra information.
ScalarExpression	Represents a scalar value; thin wrapper around arrow::Scalar
ScanContext	\brief Shared state for a Scan operation
Scanner	\brief Scanner is a materialized scan operation with context and options bound.
ScannerBuilder	\brief ScannerBuilder is a factory class to construct a Scanner.
ScannerBuilderResult
ScannerResult
ScanOptions
ScanTask	\brief Read record batches from a range of a single data fragment.
ScanTaskIterator
ScanTaskIterator.RangeIterator
ScanTaskIteratorResult
ScanTaskResult
ScanTaskVector
ScanTaskVector.Iterator
ScanTaskVectorResult
StringUnorderedSet
StringUnorderedSet.Iterator
TreeEvaluator	construct an Evaluator which uses compute kernels to evaluate expressions and filter record batches in depth first order
UnaryExpression	Base class for an expression with exactly one operand
UnionDataset	\brief A Dataset wrapping child Datasets.
UnionDatasetFactory	\brief DatasetFactory provides a way to inspect/discover a Dataset's expected schema before materialization.
UnionDatasetResult
WritableFileSource	\brief The path and filesystem where an actual file is located or a buffer which can be written to like a file
WritePlan	\brief A declarative plan for writing fragments to a partitioned directory structure.
WritePlan.FragmentOrPartitionExpression
WriteTask	\brief Write a fragment to a single OutputStream.
WriteTaskResult

Enum Summary

Enum	Description
ExpressionType.type
FilterIterator.Action
WritePlan.FragmentOrPartitionExpression.Kind