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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#pragma once
#include <arrow-glib/arrow-glib.h>
G_BEGIN_DECLS
#define GPARQUET_TYPE_ARROW_FILE_READER (gparquet_arrow_file_reader_get_type())
G_DECLARE_DERIVABLE_TYPE(GParquetArrowFileReader,
gparquet_arrow_file_reader,
GPARQUET,
ARROW_FILE_READER,
GObject)
struct _GParquetArrowFileReaderClass
{
GObjectClass parent_class;
};
GParquetArrowFileReader *
gparquet_arrow_file_reader_new_arrow(GArrowSeekableInputStream *source,
GError **error);
GParquetArrowFileReader *
gparquet_arrow_file_reader_new_path(const gchar *path,
GError **error);
GArrowTable *
gparquet_arrow_file_reader_read_table(GParquetArrowFileReader *reader,
GError **error);
GARROW_AVAILABLE_IN_1_0
GArrowTable *
gparquet_arrow_file_reader_read_row_group(GParquetArrowFileReader *reader,
gint row_group_index,
gint *column_indices,
gsize n_column_indices,
GError **error);
GArrowSchema *
gparquet_arrow_file_reader_get_schema(GParquetArrowFileReader *reader,
GError **error);
GArrowChunkedArray *
gparquet_arrow_file_reader_read_column_data(GParquetArrowFileReader *reader,
gint i,
GError **error);
gint
gparquet_arrow_file_reader_get_n_row_groups(GParquetArrowFileReader *reader);
GARROW_AVAILABLE_IN_6_0
gint64
gparquet_arrow_file_reader_get_n_rows(GParquetArrowFileReader *reader);
void
gparquet_arrow_file_reader_set_use_threads(GParquetArrowFileReader *reader,
gboolean use_threads);
G_END_DECLS
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