GParquetArrowFileWriter

GParquetArrowFileWriter — Arrow file writer class

Functions

GParquetArrowFileWriter * gparquet_arrow_file_writer_new_arrow ()
GParquetArrowFileWriter * gparquet_arrow_file_writer_new_path ()
gboolean gparquet_arrow_file_writer_write_table ()
gboolean gparquet_arrow_file_writer_close ()

Properties

gpointer arrow-file-writer Write / Construct Only

Types and Values

struct GParquetArrowFileWriter

Object Hierarchy

    GObject
    ╰── GParquetArrowFileWriter

Includes

#include <parquet-glib/parquet-glib.h>

Description

GParquetArrowFileWriter is a class for writer Apache Arrow data to file as Apache Parquet format.

Functions

gparquet_arrow_file_writer_new_arrow ()

GParquetArrowFileWriter *
gparquet_arrow_file_writer_new_arrow (GArrowSchema *schema,
                                      GArrowOutputStream *sink,
                                      GError **error);

Parameters

schema

Arrow schema for written data.

  

sink

Arrow output stream to be written.

  

error

Return locatipcn for a GError or NULL.

[nullable]

Returns

A newly created GParquetArrowFileWriter.

[nullable]

Since: 1.0.0

gparquet_arrow_file_writer_new_path ()

GParquetArrowFileWriter *
gparquet_arrow_file_writer_new_path (GArrowSchema *schema,
                                     const gchar *path,
                                     GError **error);

Parameters

schema

Arrow schema for written data.

  

path

Path to be read.

  

error

Return locatipcn for a GError or NULL.

[nullable]

Returns

A newly created GParquetArrowFileWriter.

[nullable]

Since: 1.0.0

gparquet_arrow_file_writer_write_table ()

gboolean
gparquet_arrow_file_writer_write_table
                               (GParquetArrowFileWriter *writer,
                                GArrowTable *table,
                                guint64 chunk_size,
                                GError **error);

Parameters

writer

A GParquetArrowFileWriter.

  

table

A table to be written.

  

chunk_size

The max number of rows in a row group.

  

error

Return locatipcn for a GError or NULL.

[nullable]

Returns

TRUE on success, FALSE if there was an error.

Since: 1.0.0

gparquet_arrow_file_writer_close ()

gboolean
gparquet_arrow_file_writer_close (GParquetArrowFileWriter *writer,
                                  GError **error);

Parameters

writer

A GParquetArrowFileWriter.

  

error

Return locatipcn for a GError or NULL.

[nullable]

Returns

TRUE on success, FALSE if there was an error.

Since: 1.0.0

Types and Values

struct GParquetArrowFileWriter

struct GParquetArrowFileWriter;

It wraps parquet::arrow::FileWriter.

Property Details

The “arrow-file-writer” property

  “arrow-file-writer”        gpointer

The raw std::shared<parquet::arrow::FileWriter> *.

Flags: Write / Construct Only

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