be/src/format/parquet/decoder.cpp

Source
// 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.

#include "format/parquet/decoder.h"

#include <cctz/time_zone.h>
#include <gen_cpp/parquet_types.h>

#include "format/parquet/bool_plain_decoder.h"
#include "format/parquet/bool_rle_decoder.h"
#include "format/parquet/byte_array_dict_decoder.h"
#include "format/parquet/byte_array_plain_decoder.h"
#include "format/parquet/byte_stream_split_decoder.h"
#include "format/parquet/delta_bit_pack_decoder.h"
#include "format/parquet/fix_length_dict_decoder.hpp"
#include "format/parquet/fix_length_plain_decoder.h"

namespace doris {
#include "common/compile_check_begin.h"
Status Decoder::get_decoder(tparquet::Type::type type, tparquet::Encoding::type encoding,
                            std::unique_ptr<Decoder>& decoder) {
    switch (encoding) {
    case tparquet::Encoding::PLAIN:
        switch (type) {
        case tparquet::Type::BOOLEAN:
            decoder.reset(new BoolPlainDecoder());
            break;
        case tparquet::Type::BYTE_ARRAY:
            decoder.reset(new ByteArrayPlainDecoder());
            break;
        case tparquet::Type::INT32:
        case tparquet::Type::INT64:
        case tparquet::Type::INT96:
        case tparquet::Type::FLOAT:
        case tparquet::Type::DOUBLE:
        case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
            decoder.reset(new FixLengthPlainDecoder());
            break;
        default:
            return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
                                         tparquet::to_string(type), tparquet::to_string(encoding));
        }
        break;
    case tparquet::Encoding::RLE_DICTIONARY:
        switch (type) {
        case tparquet::Type::BOOLEAN:
            return Status::InternalError("Bool type can't has dictionary page");
        case tparquet::Type::BYTE_ARRAY:
            decoder.reset(new ByteArrayDictDecoder());
            break;
        case tparquet::Type::INT32:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT32>());
            break;
        case tparquet::Type::INT64:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT64>());
            break;
        case tparquet::Type::INT96:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT96>());
            break;
        case tparquet::Type::FLOAT:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::FLOAT>());
            break;
        case tparquet::Type::DOUBLE:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::DOUBLE>());
            break;
        case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
            decoder.reset(new FixLengthDictDecoder<tparquet::Type::FIXED_LEN_BYTE_ARRAY>());
            break;
        default:
            return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
                                         tparquet::to_string(type), tparquet::to_string(encoding));
        }
        break;
    case tparquet::Encoding::RLE:
        switch (type) {
        case tparquet::Type::BOOLEAN:
            decoder.reset(new BoolRLEDecoder());
            break;
        default:
            return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
                                         tparquet::to_string(type), tparquet::to_string(encoding));
        }
        break;
    case tparquet::Encoding::DELTA_BINARY_PACKED:
        // Supports only INT32 and INT64.
        switch (type) {
        case tparquet::Type::INT32:
            decoder.reset(new DeltaBitPackDecoder<int32_t>());
            break;
        case tparquet::Type::INT64:
            decoder.reset(new DeltaBitPackDecoder<int64_t>());
            break;
        default:
            return Status::InternalError("DELTA_BINARY_PACKED only supports INT32 and INT64");
        }
        break;
    case tparquet::Encoding::DELTA_BYTE_ARRAY:
        switch (type) {
        case tparquet::Type::BYTE_ARRAY:
        case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
            decoder.reset(new DeltaByteArrayDecoder());
            break;
        default:
            return Status::InternalError(
                    "DELTA_BYTE_ARRAY only supports BYTE_ARRAY, FIXED_LEN_BYTE_ARRAY.");
        }
        break;
    case tparquet::Encoding::DELTA_LENGTH_BYTE_ARRAY:
        switch (type) {
        case tparquet::Type::BYTE_ARRAY:
            decoder.reset(new DeltaLengthByteArrayDecoder());
            break;
        default:
            return Status::InternalError("DELTA_LENGTH_BYTE_ARRAY only supports BYTE_ARRAY.");
        }
        break;
    case tparquet::Encoding::BYTE_STREAM_SPLIT:
        switch (type) {
        case tparquet::Type::INT32:
        case tparquet::Type::INT64:
        case tparquet::Type::INT96:
        case tparquet::Type::FLOAT:
        case tparquet::Type::DOUBLE:
        case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
            decoder.reset(new ByteStreamSplitDecoder());
            break;
        default:
            return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
                                         tparquet::to_string(type), tparquet::to_string(encoding));
        }
        break;
    default:
        return Status::InternalError("Unsupported encoding {}(type={}) in parquet decoder",
                                     tparquet::to_string(encoding), tparquet::to_string(type));
    }
    return Status::OK();
}
#include "common/compile_check_end.h"

} // namespace doris

Line	Count	Source
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		#include "format/parquet/decoder.h"
19
20		#include <cctz/time_zone.h>
21		#include <gen_cpp/parquet_types.h>
22
23		#include "format/parquet/bool_plain_decoder.h"
24		#include "format/parquet/bool_rle_decoder.h"
25		#include "format/parquet/byte_array_dict_decoder.h"
26		#include "format/parquet/byte_array_plain_decoder.h"
27		#include "format/parquet/byte_stream_split_decoder.h"
28		#include "format/parquet/delta_bit_pack_decoder.h"
29		#include "format/parquet/fix_length_dict_decoder.hpp"
30		#include "format/parquet/fix_length_plain_decoder.h"
31
32		namespace doris {
33		#include "common/compile_check_begin.h"
34		Status Decoder::get_decoder(tparquet::Type::type type, tparquet::Encoding::type encoding,
35	85.2k	std::unique_ptr<Decoder>& decoder) {
36	85.2k	switch (encoding) {
37	37.2k	case tparquet::Encoding::PLAIN:
38	37.2k	switch (type) {
39	2.77k	case tparquet::Type::BOOLEAN:
40	2.77k	decoder.reset(new BoolPlainDecoder());
41	2.77k	break;
42	11.7k	case tparquet::Type::BYTE_ARRAY:
43	11.7k	decoder.reset(new ByteArrayPlainDecoder());
44	11.7k	break;
45	11.1k	case tparquet::Type::INT32:
46	16.5k	case tparquet::Type::INT64:
47	16.5k	case tparquet::Type::INT96:
48	17.7k	case tparquet::Type::FLOAT:
49	19.8k	case tparquet::Type::DOUBLE:
50	22.6k	case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
51	22.6k	decoder.reset(new FixLengthPlainDecoder());
52	22.6k	break;
53	0	default:
54	0	return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
55	0	tparquet::to_string(type), tparquet::to_string(encoding));
56	37.2k	}
57	37.2k	break;
58	46.5k	case tparquet::Encoding::RLE_DICTIONARY:
59	46.5k	switch (type) {
60	0	case tparquet::Type::BOOLEAN:
61	0	return Status::InternalError("Bool type can't has dictionary page");
62	14.6k	case tparquet::Type::BYTE_ARRAY:
63	14.6k	decoder.reset(new ByteArrayDictDecoder());
64	14.6k	break;
65	13.8k	case tparquet::Type::INT32:
66	13.8k	decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT32>());
67	13.8k	break;
68	6.67k	case tparquet::Type::INT64:
69	6.67k	decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT64>());
70	6.67k	break;
71	747	case tparquet::Type::INT96:
72	747	decoder.reset(new FixLengthDictDecoder<tparquet::Type::INT96>());
73	747	break;
74	1.73k	case tparquet::Type::FLOAT:
75	1.73k	decoder.reset(new FixLengthDictDecoder<tparquet::Type::FLOAT>());
76	1.73k	break;
77	4.09k	case tparquet::Type::DOUBLE:
78	4.09k	decoder.reset(new FixLengthDictDecoder<tparquet::Type::DOUBLE>());
79	4.09k	break;
80	4.84k	case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
81	4.84k	decoder.reset(new FixLengthDictDecoder<tparquet::Type::FIXED_LEN_BYTE_ARRAY>());
82	4.84k	break;
83	0	default:
84	0	return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
85	0	tparquet::to_string(type), tparquet::to_string(encoding));
86	46.5k	}
87	46.5k	break;
88	46.5k	case tparquet::Encoding::RLE:
89	388	switch (type) {
90	388	case tparquet::Type::BOOLEAN:
91	388	decoder.reset(new BoolRLEDecoder());
92	388	break;
93	0	default:
94	0	return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
95	0	tparquet::to_string(type), tparquet::to_string(encoding));
96	388	}
97	388	break;
98	880	case tparquet::Encoding::DELTA_BINARY_PACKED:
99		// Supports only INT32 and INT64.
100	880	switch (type) {
101	50	case tparquet::Type::INT32:
102	50	decoder.reset(new DeltaBitPackDecoder<int32_t>());
103	50	break;
104	830	case tparquet::Type::INT64:
105	830	decoder.reset(new DeltaBitPackDecoder<int64_t>());
106	830	break;
107	0	default:
108	0	return Status::InternalError("DELTA_BINARY_PACKED only supports INT32 and INT64");
109	880	}
110	880	break;
111	880	case tparquet::Encoding::DELTA_BYTE_ARRAY:
112	130	switch (type) {
113	130	case tparquet::Type::BYTE_ARRAY:
114	130	case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
115	130	decoder.reset(new DeltaByteArrayDecoder());
116	130	break;
117	0	default:
118	0	return Status::InternalError(
119	0	"DELTA_BYTE_ARRAY only supports BYTE_ARRAY, FIXED_LEN_BYTE_ARRAY.");
120	130	}
121	130	break;
122	130	case tparquet::Encoding::DELTA_LENGTH_BYTE_ARRAY:
123	14	switch (type) {
124	14	case tparquet::Type::BYTE_ARRAY:
125	14	decoder.reset(new DeltaLengthByteArrayDecoder());
126	14	break;
127	0	default:
128	0	return Status::InternalError("DELTA_LENGTH_BYTE_ARRAY only supports BYTE_ARRAY.");
129	14	}
130	14	break;
131	14	case tparquet::Encoding::BYTE_STREAM_SPLIT:
132	11	switch (type) {
133	1	case tparquet::Type::INT32:
134	2	case tparquet::Type::INT64:
135	2	case tparquet::Type::INT96:
136	5	case tparquet::Type::FLOAT:
137	8	case tparquet::Type::DOUBLE:
138	11	case tparquet::Type::FIXED_LEN_BYTE_ARRAY:
139	11	decoder.reset(new ByteStreamSplitDecoder());
140	11	break;
141	0	default:
142	0	return Status::InternalError("Unsupported type {}(encoding={}) in parquet decoder",
143	0	tparquet::to_string(type), tparquet::to_string(encoding));
144	11	}
145	11	break;
146	11	default:
147	0	return Status::InternalError("Unsupported encoding {}(type={}) in parquet decoder",
148	0	tparquet::to_string(encoding), tparquet::to_string(type));
149	85.2k	}
150	85.2k	return Status::OK();
151	85.2k	}
152		#include "common/compile_check_end.h"
153
154		} // namespace doris

Coverage Report

Created: 2026-03-24 14:21