@Namespace(value="arrow::dataset") @NoOffset @Properties(inherit=arrow_dataset.class) public class CsvFileFormat extends FileFormat
\brief A FileFormat implementation that reads from and writes to Csv files
Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter| Constructor and Description |
|---|
CsvFileFormat()
Default native constructor.
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CsvFileFormat(long size)
Native array allocator.
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CsvFileFormat(Pointer p)
Pointer cast constructor.
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| Modifier and Type | Method and Description |
|---|---|
LongOptionalFuture |
CountRows(FileFragment file,
Expression predicate,
ScanOptions options) |
FileWriteOptions |
DefaultWriteOptions()
\brief Get default write options for this format.
|
boolean |
Equals(FileFormat other) |
CsvFileFormat |
getPointer(long i) |
SchemaResult |
Inspect(FileSource source)
\brief Return the schema of the file if possible.
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BoolResult |
IsSupported(FileSource source)
\brief Indicate if the FileSource is supported/readable by this format.
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FileWriterResult |
MakeWriter(OutputStream destination,
Schema schema,
FileWriteOptions options,
FileLocator destination_locator)
\brief Create a writer for this format.
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CsvParseOptions |
parse_options()
Options affecting the parsing of CSV files
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CsvFileFormat |
parse_options(CsvParseOptions setter) |
CsvFileFormat |
position(long position) |
RecordBatchGeneratorResult |
ScanBatchesAsync(ScanOptions scan_options,
FileFragment file) |
ScanTaskIteratorResult |
ScanFile(ScanOptions options,
FileFragment fragment)
\brief Open a file for scanning
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String |
type_name()
\brief The name identifying the kind of file format
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default_fragment_scan_options, default_fragment_scan_options, MakeFragment, MakeFragment, MakeFragment, MakeFragmentaddress, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getDirectBufferAddress, getPointer, getPointer, getPointer, hashCode, interruptDeallocatorThread, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetAddress, offsetof, offsetof, parseBytes, physicalBytes, physicalBytesInaccurate, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zeropublic CsvFileFormat()
public CsvFileFormat(long size)
Pointer.position(long).public CsvFileFormat(Pointer p)
Pointer(Pointer).public CsvFileFormat position(long position)
public CsvFileFormat getPointer(long i)
getPointer in class Pointer@ByRef public CsvParseOptions parse_options()
public CsvFileFormat parse_options(CsvParseOptions setter)
@StdString public String type_name()
FileFormattype_name in class FileFormat@Cast(value="bool") public boolean Equals(@Const @ByRef FileFormat other)
Equals in class FileFormat@ByVal public BoolResult IsSupported(@Const @ByRef FileSource source)
FileFormatIsSupported in class FileFormat@ByVal public SchemaResult Inspect(@Const @ByRef FileSource source)
Inspect in class FileFormat@ByVal public ScanTaskIteratorResult ScanFile(@SharedPtr ScanOptions options, @Const @SharedPtr @ByRef FileFragment fragment)
ScanFile in class FileFormat@ByVal public RecordBatchGeneratorResult ScanBatchesAsync(@SharedPtr ScanOptions scan_options, @Const @SharedPtr @ByRef FileFragment file)
ScanBatchesAsync in class FileFormat@ByVal public LongOptionalFuture CountRows(@Const @SharedPtr @ByRef FileFragment file, @ByVal Expression predicate, @SharedPtr ScanOptions options)
CountRows in class FileFormat@ByVal public FileWriterResult MakeWriter(@SharedPtr OutputStream destination, @SharedPtr @ByVal Schema schema, @SharedPtr FileWriteOptions options, @ByVal FileLocator destination_locator)
FileFormatMakeWriter in class FileFormat@SharedPtr public FileWriteOptions DefaultWriteOptions()
FileFormatDefaultWriteOptions in class FileFormatCopyright © 2022. All rights reserved.