/root/doris/be/src/util/arrow/utils.h
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1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | |
18 | | #pragma once |
19 | | |
20 | | #include <iostream> |
21 | | |
22 | | #include "common/status.h" |
23 | | |
24 | | // This files contains some utilities to convert Doris internal |
25 | | // data format into/from Apache Arrow format. When Doris needs |
26 | | // to share data with others we can leverage Arrow's ability. |
27 | | // We can convert our internal data into Arrow's memory format |
28 | | // and then convert to other format, for example Parquet. Because |
29 | | // Arrow have already implemented this functions. And what's more |
30 | | // Arrow support multiple languages, so it will make it easy to |
31 | | // handle Doris data in other languages. |
32 | | |
33 | | // Forward declaration of arrow class |
34 | | namespace arrow { |
35 | | class Array; |
36 | | class RecordBatch; |
37 | | class Status; |
38 | | } // namespace arrow |
39 | | |
40 | | namespace doris { |
41 | | |
42 | | #define RETURN_ARROW_STATUS_IF_ERROR(stmt) \ |
43 | | do { \ |
44 | | Status _status_ = (stmt); \ |
45 | | if (UNLIKELY(!_status_.ok())) { \ |
46 | | ARROW_RETURN_NOT_OK(to_arrow_status(_status_)); \ |
47 | | } \ |
48 | | } while (false) |
49 | | |
50 | | #define RETURN_DORIS_STATUS_IF_ERROR(stmt) \ |
51 | 0 | do { \ |
52 | 0 | arrow::Status _status_ = (stmt); \ |
53 | 0 | if (UNLIKELY(!_status_.ok())) { \ |
54 | 0 | return to_doris_status(_status_); \ |
55 | 0 | } \ |
56 | 0 | } while (false) |
57 | | |
58 | | // Pretty print a arrow RecordBatch. |
59 | | Status arrow_pretty_print(const arrow::RecordBatch& rb, std::ostream* os); |
60 | | Status arrow_pretty_print(const arrow::Array& rb, std::ostream* os); |
61 | | |
62 | | Status to_doris_status(const arrow::Status& status); |
63 | | arrow::Status to_arrow_status(const Status& status); |
64 | | |
65 | | } // namespace doris |