c_glib/arrow-glib/orc-file-reader.h

/*
 * 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/reader.h>

G_BEGIN_DECLS

#define GARROW_TYPE_ORC_FILE_READER (garrow_orc_file_reader_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowORCFileReader,
                         garrow_orc_file_reader,
                         GARROW,
                         ORC_FILE_READER,
                         GObject)
struct _GArrowORCFileReaderClass
{
  GObjectClass parent_class;
};

GArrowORCFileReader *
garrow_orc_file_reader_new(GArrowSeekableInputStream *file,
                           GError **error);
void
garrow_orc_file_reader_set_field_indexes(GArrowORCFileReader *reader,
                                         const gint *field_indexes,
                                         guint n_field_indexes);
const gint *
garrow_orc_file_reader_get_field_indexes(GArrowORCFileReader *reader,
                                         guint *n_field_indexes);
GArrowSchema *
garrow_orc_file_reader_read_type(GArrowORCFileReader *reader,
                                 GError **error);
GArrowTable *
garrow_orc_file_reader_read_stripes(GArrowORCFileReader *reader,
                                    GError **error);
GArrowRecordBatch *
garrow_orc_file_reader_read_stripe(GArrowORCFileReader *reader,
                                   gint64 i,
                                   GError **error);
gint64 garrow_orc_file_reader_get_n_stripes(GArrowORCFileReader *reader);
gint64 garrow_orc_file_reader_get_n_rows(GArrowORCFileReader *reader);

G_END_DECLS