| /* |
| * 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 |