parquet.arrow_file_reader

Module for ArrowFileReader class

class ArrowFileReader ArrowFileReaderGidBuilder ArrowFileReaderGidBuilderImpl

Types 3

classArrowFileReader : gobject.object.ObjectWrap
Methods
GType _getGType()
GType _gType() @property
ArrowFileReader self()Returns `this`, for use in `with` statements.
ArrowFileReaderGidBuilder builder()Get builder for [parquet.arrow_file_reader.ArrowFileReader] Returns: New builder object
parquet.arrow_file_reader.ArrowFileReader newArrow(arrow.seekable_input_stream.SeekableInputStream source)
parquet.arrow_file_reader.ArrowFileReader newPath(string path)
parquet.file_metadata.FileMetadata getMetadata()
int getNRowGroups()
long getNRows()
arrow.schema.Schema getSchema()
arrow.chunked_array.ChunkedArray readColumnData(int i)
arrow.table.Table readRowGroup(int rowGroupIndex, int[] columnIndices = null)
arrow.table.Table readTable()
void setUseThreads(bool useThreads)
Constructors
this(void * ptr, Flag!"Take" take)
classArrowFileReaderGidBuilderImpl(T) : gobject.object.ObjectWrapGidBuilderImpl!T

Fluent builder implementation template for parquet.arrow_file_reader.ArrowFileReader

Methods
T arrowFileReader(void * propval)
classArrowFileReaderGidBuilder : ArrowFileReaderGidBuilderImpl!ArrowFileReaderGidBuilder

Fluent builder for parquet.arrow_file_reader.ArrowFileReader

Methods
ArrowFileReader build()Create object from builder. Returns: New object