org.bytedeco.parquet

Class DictionaryRecordReader

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.parquet.RecordReader

org.bytedeco.parquet.DictionaryRecordReader

All Implemented Interfaces:

AutoCloseable

@Namespace(value="parquet::internal")
 @Properties(inherit=parquet.class)
public class DictionaryRecordReader
extends RecordReader

\brief Read records directly to dictionary-encoded Arrow form (int32 indices). Only valid for BYTE_ARRAY columns

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
DictionaryRecordReader(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
ChunkedArray	GetResult()

Methods inherited from class org.bytedeco.parquet.RecordReader

DebugPrintState, def_levels, HasMoreData, levels_position, levels_written, Make, Make, null_count, nullable_values, read_dictionary, ReadRecords, ReleaseIsValid, ReleaseValues, rep_levels, Reserve, Reset, SetPageReader, values_written, values

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getDirectBufferAddress, getPointer, getPointer, getPointer, getPointer, hashCode, interruptDeallocatorThread, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetAddress, offsetof, offsetof, parseBytes, physicalBytes, physicalBytesInaccurate, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DictionaryRecordReader

public DictionaryRecordReader(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

Method Detail

GetResult

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::ChunkedArray>"})
public ChunkedArray GetResult()