be/src/format/parquet/parquet_column_convert.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/parquet_column_convert.h"

#include <cctz/time_zone.h>
#include <glog/logging.h>

#include "common/cast_set.h"
#include "core/column/column_fixed_length_object.h"
#include "core/column/column_nullable.h"
#include "core/data_type/data_type_fixed_length_object.h"
#include "core/data_type/data_type_nullable.h"
#include "core/data_type/define_primitive_type.h"
#include "core/data_type/primitive_type.h"
#include "core/value/uuid_value.h"

namespace doris::parquet {
const cctz::time_zone ConvertParams::utc0 = cctz::utc_time_zone();

#define FOR_LOGICAL_DECIMAL_TYPES(M) \
    M(TYPE_DECIMAL32)                \
    M(TYPE_DECIMAL64)                \
    M(TYPE_DECIMAL128I)              \
    M(TYPE_DECIMAL256)

bool PhysicalToLogicalConverter::is_parquet_native_type(PrimitiveType type) {
    switch (type) {
    case TYPE_BOOLEAN:
    case TYPE_INT:
    case TYPE_BIGINT:
    case TYPE_FLOAT:
    case TYPE_DOUBLE:
    case TYPE_STRING:
    case TYPE_CHAR:
    case TYPE_VARCHAR:
        return true;
    default:
        return false;
    }
}

bool PhysicalToLogicalConverter::is_decimal_type(doris::PrimitiveType type) {
    switch (type) {
    case TYPE_DECIMAL32:
    case TYPE_DECIMAL64:
    case TYPE_DECIMAL128I:
    case TYPE_DECIMAL256:
    case TYPE_DECIMALV2:
        return true;
    default:
        return false;
    }
}

ColumnPtr PhysicalToLogicalConverter::get_physical_column(tparquet::Type::type src_physical_type,
                                                          DataTypePtr src_logical_type,
                                                          ColumnPtr& dst_logical_column,
                                                          const DataTypePtr& dst_logical_type,
                                                          bool is_dict_filter) {
    if (is_dict_filter) {
        src_physical_type = tparquet::Type::INT32;
        src_logical_type = DataTypeFactory::instance().create_data_type(
                PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
    }

    if (!_convert_params->is_type_compatibility && is_consistent() &&
        _logical_converter->is_consistent()) {
        if (_cached_src_physical_type == nullptr) {
            _cached_src_physical_type = dst_logical_type->is_nullable()
                                                ? make_nullable(src_logical_type)
                                                : remove_nullable(src_logical_type);
        }
        return dst_logical_column;
    }

    if (!_cached_src_physical_column) {
        switch (src_physical_type) {
        case tparquet::Type::type::BOOLEAN:
            _cached_src_physical_type = std::make_shared<DataTypeUInt8>();
            break;
        case tparquet::Type::type::INT32:
            _cached_src_physical_type = std::make_shared<DataTypeInt32>();
            break;
        case tparquet::Type::type::INT64:
            _cached_src_physical_type = std::make_shared<DataTypeInt64>();
            break;
        case tparquet::Type::type::FLOAT:
            _cached_src_physical_type = std::make_shared<DataTypeFloat32>();
            break;
        case tparquet::Type::type::DOUBLE:
            _cached_src_physical_type = std::make_shared<DataTypeFloat64>();
            break;
        case tparquet::Type::type::BYTE_ARRAY:
            _cached_src_physical_type = std::make_shared<DataTypeString>();
            break;
        case tparquet::Type::type::FIXED_LEN_BYTE_ARRAY:
            _cached_src_physical_type = std::make_shared<DataTypeFixedLengthObject>();
            break;
        case tparquet::Type::type::INT96:
            _cached_src_physical_type = std::make_shared<DataTypeInt8>();
            break;
        }
        const bool is_fixed_length_byte_array =
                src_physical_type == tparquet::Type::type::FIXED_LEN_BYTE_ARRAY;
        if (dst_logical_type->is_nullable()) {
            MutableColumnPtr nested_physical_column;
            if (is_fixed_length_byte_array) {
                nested_physical_column = ColumnFixedLengthObject::create(
                        _convert_params->field_schema->parquet_schema.type_length);
            } else {
                nested_physical_column = _cached_src_physical_type->create_column();
            }
            _cached_src_physical_column = ColumnNullable::create(std::move(nested_physical_column),
                                                                 ColumnUInt8::create());
            _cached_src_physical_type = make_nullable(_cached_src_physical_type);
        } else {
            if (is_fixed_length_byte_array) {
                _cached_src_physical_column = ColumnFixedLengthObject::create(
                        _convert_params->field_schema->parquet_schema.type_length);
            } else {
                _cached_src_physical_column = _cached_src_physical_type->create_column();
            }
        }
    }
    // remove the old cached data
    auto cached_src_physical_column = IColumn::mutate(std::move(_cached_src_physical_column));
    cached_src_physical_column->clear();
    _cached_src_physical_column = std::move(cached_src_physical_column);

    return _cached_src_physical_column;
}

static void get_decimal_converter(const FieldSchema* field_schema, DataTypePtr src_logical_type,
                                  const DataTypePtr& dst_logical_type,
                                  ConvertParams* convert_params,
                                  std::unique_ptr<PhysicalToLogicalConverter>& physical_converter) {
    const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
    if (is_decimal(dst_logical_type->get_primitive_type())) {
        src_logical_type = create_decimal(parquet_schema.precision, parquet_schema.scale, false);
    }

    tparquet::Type::type src_physical_type = parquet_schema.type;
    PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();

    if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
        switch (src_logical_primitive) {
#define DISPATCH(LOGICAL_PTYPE)                                                     \
    case LOGICAL_PTYPE: {                                                           \
        physical_converter.reset(                                                   \
                new FixedSizeToDecimal<LOGICAL_PTYPE>(parquet_schema.type_length)); \
        break;                                                                      \
    }
            FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
#undef DISPATCH
        default:
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else if (src_physical_type == tparquet::Type::BYTE_ARRAY) {
        switch (src_logical_primitive) {
#define DISPATCH(LOGICAL_PTYPE)                                         \
    case LOGICAL_PTYPE: {                                               \
        physical_converter.reset(new StringToDecimal<LOGICAL_PTYPE>()); \
        break;                                                          \
    }
            FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
#undef DISPATCH
        default:
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else if (src_physical_type == tparquet::Type::INT32 ||
               src_physical_type == tparquet::Type::INT64) {
        switch (src_logical_primitive) {
#define DISPATCH(LOGICAL_PTYPE)                                                          \
    case LOGICAL_PTYPE: {                                                                \
        if (src_physical_type == tparquet::Type::INT32) {                                \
            physical_converter.reset(new NumberToDecimal<TYPE_INT, LOGICAL_PTYPE>());    \
        } else {                                                                         \
            physical_converter.reset(new NumberToDecimal<TYPE_BIGINT, LOGICAL_PTYPE>()); \
        }                                                                                \
        break;                                                                           \
    }
            FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
#undef DISPATCH
        default:
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else {
        physical_converter =
                std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
    }
}

namespace {

class UUIDStringConverter final : public PhysicalToLogicalConverter {
public:
    Status physical_convert(ColumnPtr& src_physical_col, ColumnPtr& src_logical_column) override {
        const auto from_col = remove_nullable(src_physical_col);
        const auto src_data = get_fixed_length_physical_data(*from_col, 16);
        auto& strings = assert_cast<ColumnString&>(*get_mutable_inner_column(src_logical_column));
        for (size_t i = 0; i < src_data.rows; ++i) {
            const auto value = UUIDValue::from_big_endian(
                    reinterpret_cast<const uint8_t*>(src_data.data + i * 16));
            const auto text = UUIDValue::to_string(value);
            strings.insert_data(text.data(), text.size());
        }
        return Status::OK();
    }
};

} // namespace

std::unique_ptr<PhysicalToLogicalConverter> PhysicalToLogicalConverter::get_converter(
        const FieldSchema* field_schema, DataTypePtr src_logical_type,
        const DataTypePtr& dst_logical_type, const cctz::time_zone* ctz, bool is_dict_filter,
        bool preserve_binary_uuid) {
    std::unique_ptr<ConvertParams> convert_params = std::make_unique<ConvertParams>();
    const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
    convert_params->init(field_schema, ctz);
    tparquet::Type::type src_physical_type = parquet_schema.type;
    std::unique_ptr<PhysicalToLogicalConverter> physical_converter;
    if (is_dict_filter) {
        src_physical_type = tparquet::Type::INT32;
        src_logical_type = DataTypeFactory::instance().create_data_type(
                PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
    }
    PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();

    if (field_schema->is_type_compatibility) {
        if (src_logical_primitive == TYPE_SMALLINT) {
            physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_SMALLINT>>();
        } else if (src_logical_primitive == TYPE_INT) {
            physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_INT>>();
        } else if (src_logical_primitive == TYPE_BIGINT) {
            physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_BIGINT>>();
        } else if (src_logical_primitive == TYPE_LARGEINT) {
            physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_LARGEINT>>();
        } else {
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else if (is_parquet_native_type(src_logical_primitive)) {
        bool is_string_logical_type = is_string_type(src_logical_primitive);
        if (is_string_logical_type && src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
            if (parquet_schema.logicalType.__isset.UUID && !preserve_binary_uuid) {
                // Ordinary Parquet scans expose canonical text, as in File Scanner V2.
                // Iceberg retains its raw 16-byte STRING carrier for equality deletes/defaults.
                if (parquet_schema.type_length != UUIDValue::BINARY_LENGTH) {
                    physical_converter = std::make_unique<UnsupportedConverter>(src_physical_type,
                                                                                src_logical_type);
                } else {
                    physical_converter = std::make_unique<UUIDStringConverter>();
                }
            } else {
                physical_converter =
                        std::make_unique<FixedSizeBinaryConverter>(parquet_schema.type_length);
            }
        } else if (src_logical_primitive == TYPE_FLOAT &&
                   src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY &&
                   parquet_schema.logicalType.__isset.FLOAT16) {
            physical_converter =
                    std::make_unique<Float16PhysicalConverter>(parquet_schema.type_length);
        } else {
            physical_converter = std::make_unique<ConsistentPhysicalConverter>();
        }
    } else if (src_logical_primitive == TYPE_TINYINT) {
        physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_TINYINT>>();
    } else if (src_logical_primitive == TYPE_SMALLINT) {
        physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_SMALLINT>>();
    } else if (is_decimal_type(src_logical_primitive)) {
        get_decimal_converter(field_schema, src_logical_type, dst_logical_type,
                              convert_params.get(), physical_converter);
    } else if (src_logical_primitive == TYPE_DATEV2) {
        physical_converter = std::make_unique<Int32ToDate>();
    } else if (src_logical_primitive == TYPE_DATETIMEV2) {
        if (src_physical_type == tparquet::Type::INT96) {
            // int96 only stores nanoseconds in standard parquet file
            convert_params->reset_time_scale_if_missing(9);
            physical_converter = std::make_unique<Int96toTimestamp>();
        } else if (src_physical_type == tparquet::Type::INT64) {
            convert_params->reset_time_scale_if_missing(src_logical_type->get_scale());
            physical_converter = std::make_unique<Int64ToTimestamp>();
        } else {
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else if (src_logical_primitive == TYPE_VARBINARY) {
        if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
            DCHECK(parquet_schema.logicalType.__isset.UUID) << parquet_schema.name;
            physical_converter =
                    std::make_unique<UUIDVarBinaryConverter>(parquet_schema.type_length);
        } else {
            DCHECK(src_physical_type == tparquet::Type::BYTE_ARRAY) << src_physical_type;
            physical_converter = std::make_unique<ConsistentPhysicalConverter>();
        }
    } else if (src_logical_primitive == TYPE_TIMESTAMPTZ) {
        if (src_physical_type == tparquet::Type::INT96) {
            physical_converter = std::make_unique<Int96toTimestampTz>();
        } else if (src_physical_type == tparquet::Type::INT64) {
            DCHECK(src_physical_type == tparquet::Type::INT64) << src_physical_type;
            DCHECK(parquet_schema.logicalType.__isset.TIMESTAMP) << parquet_schema.name;
            physical_converter = std::make_unique<Int64ToTimestampTz>();
        } else {
            physical_converter =
                    std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
        }
    } else {
        physical_converter =
                std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
    }

    if (physical_converter->support()) {
        physical_converter->_convert_params = std::move(convert_params);
        physical_converter->_logical_converter = converter::ColumnTypeConverter::get_converter(
                src_logical_type, dst_logical_type, converter::FileFormat::PARQUET);
        if (!physical_converter->_logical_converter->support()) {
            physical_converter = std::make_unique<UnsupportedConverter>(
                    "Unsupported type change: " +
                    physical_converter->_logical_converter->get_error_msg());
        }
    }
    return physical_converter;
}

} // namespace doris::parquet

Coverage Report

Created: 2026-10-09 18:00

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/parquet_column_convert.h"
19
20		#include <cctz/time_zone.h>
21		#include <glog/logging.h>
22
23		#include "common/cast_set.h"
24		#include "core/column/column_fixed_length_object.h"
25		#include "core/column/column_nullable.h"
26		#include "core/data_type/data_type_fixed_length_object.h"
27		#include "core/data_type/data_type_nullable.h"
28		#include "core/data_type/define_primitive_type.h"
29		#include "core/data_type/primitive_type.h"
30		#include "core/value/uuid_value.h"
31
32		namespace doris::parquet {
33		const cctz::time_zone ConvertParams::utc0 = cctz::utc_time_zone();
34
35		#define FOR_LOGICAL_DECIMAL_TYPES(M) \
36	0	M(TYPE_DECIMAL32) \
37	8	M(TYPE_DECIMAL64) \
38	8	M(TYPE_DECIMAL128I) \
39	0	M(TYPE_DECIMAL256)
40
41	642	bool PhysicalToLogicalConverter::is_parquet_native_type(PrimitiveType type) {
42	642	switch (type) {
43	24	case TYPE_BOOLEAN:
44	264	case TYPE_INT:
45	338	case TYPE_BIGINT:
46	398	case TYPE_FLOAT:
47	436	case TYPE_DOUBLE:
48	542	case TYPE_STRING:
49	542	case TYPE_CHAR:
50	542	case TYPE_VARCHAR:
51	542	return true;
52	100	default:
53	100	return false;
54	642	}
55	642	}
56
57	66	bool PhysicalToLogicalConverter::is_decimal_type(doris::PrimitiveType type) {
58	66	switch (type) {
59	0	case TYPE_DECIMAL32:
60	8	case TYPE_DECIMAL64:
61	8	case TYPE_DECIMAL128I:
62	8	case TYPE_DECIMAL256:
63	8	case TYPE_DECIMALV2:
64	8	return true;
65	58	default:
66	58	return false;
67	66	}
68	66	}
69
70		ColumnPtr PhysicalToLogicalConverter::get_physical_column(tparquet::Type::type src_physical_type,
71		DataTypePtr src_logical_type,
72		ColumnPtr& dst_logical_column,
73		const DataTypePtr& dst_logical_type,
74	712	bool is_dict_filter) {
75	712	if (is_dict_filter) {
76	2	src_physical_type = tparquet::Type::INT32;
77	2	src_logical_type = DataTypeFactory::instance().create_data_type(
78	2	PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
79	2	}
80
81	712	if (!_convert_params->is_type_compatibility && is_consistent() &&
82	712	_logical_converter->is_consistent()) {
83	616	if (_cached_src_physical_type == nullptr) {
84	332	_cached_src_physical_type = dst_logical_type->is_nullable()
85	332	? make_nullable(src_logical_type)
86	332	: remove_nullable(src_logical_type);
87	332	}
88	616	return dst_logical_column;
89	616	}
90
91	96	if (!_cached_src_physical_column) {
92	74	switch (src_physical_type) {
93	0	case tparquet::Type::type::BOOLEAN:
94	0	_cached_src_physical_type = std::make_shared<DataTypeUInt8>();
95	0	break;
96	46	case tparquet::Type::type::INT32:
97	46	_cached_src_physical_type = std::make_shared<DataTypeInt32>();
98	46	break;
99	12	case tparquet::Type::type::INT64:
100	12	_cached_src_physical_type = std::make_shared<DataTypeInt64>();
101	12	break;
102	0	case tparquet::Type::type::FLOAT:
103	0	_cached_src_physical_type = std::make_shared<DataTypeFloat32>();
104	0	break;
105	0	case tparquet::Type::type::DOUBLE:
106	0	_cached_src_physical_type = std::make_shared<DataTypeFloat64>();
107	0	break;
108	8	case tparquet::Type::type::BYTE_ARRAY:
109	8	_cached_src_physical_type = std::make_shared<DataTypeString>();
110	8	break;
111	8	case tparquet::Type::type::FIXED_LEN_BYTE_ARRAY:
112	8	_cached_src_physical_type = std::make_shared<DataTypeFixedLengthObject>();
113	8	break;
114	0	case tparquet::Type::type::INT96:
115	0	_cached_src_physical_type = std::make_shared<DataTypeInt8>();
116	0	break;
117	74	}
118	74	const bool is_fixed_length_byte_array =
119	74	src_physical_type == tparquet::Type::type::FIXED_LEN_BYTE_ARRAY;
120	74	if (dst_logical_type->is_nullable()) {
121	74	MutableColumnPtr nested_physical_column;
122	74	if (is_fixed_length_byte_array) {
123	8	nested_physical_column = ColumnFixedLengthObject::create(
124	8	_convert_params->field_schema->parquet_schema.type_length);
125	66	} else {
126	66	nested_physical_column = _cached_src_physical_type->create_column();
127	66	}
128	74	_cached_src_physical_column = ColumnNullable::create(std::move(nested_physical_column),
129	74	ColumnUInt8::create());
130	74	_cached_src_physical_type = make_nullable(_cached_src_physical_type);
131	74	} else {
132	0	if (is_fixed_length_byte_array) {
133	0	_cached_src_physical_column = ColumnFixedLengthObject::create(
134	0	_convert_params->field_schema->parquet_schema.type_length);
135	0	} else {
136	0	_cached_src_physical_column = _cached_src_physical_type->create_column();
137	0	}
138	0	}
139	74	}
140		// remove the old cached data
141	96	auto cached_src_physical_column = IColumn::mutate(std::move(_cached_src_physical_column));
142	96	cached_src_physical_column->clear();
143	96	_cached_src_physical_column = std::move(cached_src_physical_column);
144
145	96	return _cached_src_physical_column;
146	96	}
147
148		static void get_decimal_converter(const FieldSchema* field_schema, DataTypePtr src_logical_type,
149		const DataTypePtr& dst_logical_type,
150		ConvertParams* convert_params,
151	8	std::unique_ptr<PhysicalToLogicalConverter>& physical_converter) {
152	8	const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
153	8	if (is_decimal(dst_logical_type->get_primitive_type())) {
154	8	src_logical_type = create_decimal(parquet_schema.precision, parquet_schema.scale, false);
155	8	}
156
157	8	tparquet::Type::type src_physical_type = parquet_schema.type;
158	8	PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();
159
160	8	if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
161	4	switch (src_logical_primitive) {
162	0	#define DISPATCH(LOGICAL_PTYPE) \
163	4	case LOGICAL_PTYPE: { \
164	4	physical_converter.reset( \
165	4	new FixedSizeToDecimal<LOGICAL_PTYPE>(parquet_schema.type_length)); \
166	4	break; \
167	4	}
168	4	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
169	0	#undef DISPATCH
170	0	default:
171	0	physical_converter =
172	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
173	4	}
174	4	} else if (src_physical_type == tparquet::Type::BYTE_ARRAY) {
175	0	switch (src_logical_primitive) {
176	0	#define DISPATCH(LOGICAL_PTYPE) \
177	0	case LOGICAL_PTYPE: { \
178	0	physical_converter.reset(new StringToDecimal<LOGICAL_PTYPE>()); \
179	0	break; \
180	0	}
181	0	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
182	0	#undef DISPATCH
183	0	default:
184	0	physical_converter =
185	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
186	0	}
187	4	} else if (src_physical_type == tparquet::Type::INT32 \|\|
188	4	src_physical_type == tparquet::Type::INT64) {
189	4	switch (src_logical_primitive) {
190	0	#define DISPATCH(LOGICAL_PTYPE) \
191	4	case LOGICAL_PTYPE: { \
192	4	if (src_physical_type == tparquet::Type::INT32) { \
193	0	physical_converter.reset(new NumberToDecimal<TYPE_INT, LOGICAL_PTYPE>()); \
194	4	} else { \
195	4	physical_converter.reset(new NumberToDecimal<TYPE_BIGINT, LOGICAL_PTYPE>()); \
196	4	} \
197	4	break; \
198	4	}
199	4	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
200	0	#undef DISPATCH
201	0	default:
202	0	physical_converter =
203	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
204	4	}
205	4	} else {
206	0	physical_converter =
207	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
208	0	}
209	8	}
210
211		namespace {
212
213		class UUIDStringConverter final : public PhysicalToLogicalConverter {
214		public:
215	8	Status physical_convert(ColumnPtr& src_physical_col, ColumnPtr& src_logical_column) override {
216	8	const auto from_col = remove_nullable(src_physical_col);
217	8	const auto src_data = get_fixed_length_physical_data(*from_col, 16);
218	8	auto& strings = assert_cast<ColumnString&>(*get_mutable_inner_column(src_logical_column));
219	32	for (size_t i = 0; i < src_data.rows; ++i) {
220	24	const auto value = UUIDValue::from_big_endian(
221	24	reinterpret_cast<const uint8_t>(src_data.data + i 16));
222	24	const auto text = UUIDValue::to_string(value);
223	24	strings.insert_data(text.data(), text.size());
224	24	}
225	8	return Status::OK();
226	8	}
227		};
228
229		} // namespace
230
231		std::unique_ptr<PhysicalToLogicalConverter> PhysicalToLogicalConverter::get_converter(
232		const FieldSchema* field_schema, DataTypePtr src_logical_type,
233		const DataTypePtr& dst_logical_type, const cctz::time_zone* ctz, bool is_dict_filter,
234	642	bool preserve_binary_uuid) {
235	642	std::unique_ptr<ConvertParams> convert_params = std::make_unique<ConvertParams>();
236	642	const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
237	642	convert_params->init(field_schema, ctz);
238	642	tparquet::Type::type src_physical_type = parquet_schema.type;
239	642	std::unique_ptr<PhysicalToLogicalConverter> physical_converter;
240	642	if (is_dict_filter) {
241	2	src_physical_type = tparquet::Type::INT32;
242	2	src_logical_type = DataTypeFactory::instance().create_data_type(
243	2	PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
244	2	}
245	642	PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();
246
247	642	if (field_schema->is_type_compatibility) {
248	0	if (src_logical_primitive == TYPE_SMALLINT) {
249	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_SMALLINT>>();
250	0	} else if (src_logical_primitive == TYPE_INT) {
251	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_INT>>();
252	0	} else if (src_logical_primitive == TYPE_BIGINT) {
253	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_BIGINT>>();
254	0	} else if (src_logical_primitive == TYPE_LARGEINT) {
255	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_LARGEINT>>();
256	0	} else {
257	0	physical_converter =
258	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
259	0	}
260	642	} else if (is_parquet_native_type(src_logical_primitive)) {
261	542	bool is_string_logical_type = is_string_type(src_logical_primitive);
262	542	if (is_string_logical_type && src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
263	14	if (parquet_schema.logicalType.__isset.UUID && !preserve_binary_uuid) {
264		// Ordinary Parquet scans expose canonical text, as in File Scanner V2.
265		// Iceberg retains its raw 16-byte STRING carrier for equality deletes/defaults.
266	8	if (parquet_schema.type_length != UUIDValue::BINARY_LENGTH) {
267	2	physical_converter = std::make_unique<UnsupportedConverter>(src_physical_type,
268	2	src_logical_type);
269	6	} else {
270	6	physical_converter = std::make_unique<UUIDStringConverter>();
271	6	}
272	8	} else {
273	6	physical_converter =
274	6	std::make_unique<FixedSizeBinaryConverter>(parquet_schema.type_length);
275	6	}
276	528	} else if (src_logical_primitive == TYPE_FLOAT &&
277	528	src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY &&
278	528	parquet_schema.logicalType.__isset.FLOAT16) {
279	0	physical_converter =
280	0	std::make_unique<Float16PhysicalConverter>(parquet_schema.type_length);
281	528	} else {
282	528	physical_converter = std::make_unique<ConsistentPhysicalConverter>();
283	528	}
284	542	} else if (src_logical_primitive == TYPE_TINYINT) {
285	20	physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_TINYINT>>();
286	80	} else if (src_logical_primitive == TYPE_SMALLINT) {
287	14	physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_SMALLINT>>();
288	66	} else if (is_decimal_type(src_logical_primitive)) {
289	8	get_decimal_converter(field_schema, src_logical_type, dst_logical_type,
290	8	convert_params.get(), physical_converter);
291	58	} else if (src_logical_primitive == TYPE_DATEV2) {
292	14	physical_converter = std::make_unique<Int32ToDate>();
293	44	} else if (src_logical_primitive == TYPE_DATETIMEV2) {
294	32	if (src_physical_type == tparquet::Type::INT96) {
295		// int96 only stores nanoseconds in standard parquet file
296	2	convert_params->reset_time_scale_if_missing(9);
297	2	physical_converter = std::make_unique<Int96toTimestamp>();
298	30	} else if (src_physical_type == tparquet::Type::INT64) {
299	30	convert_params->reset_time_scale_if_missing(src_logical_type->get_scale());
300	30	physical_converter = std::make_unique<Int64ToTimestamp>();
301	30	} else {
302	0	physical_converter =
303	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
304	0	}
305	32	} else if (src_logical_primitive == TYPE_VARBINARY) {
306	8	if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
307	4	DCHECK(parquet_schema.logicalType.__isset.UUID) << parquet_schema.name;
308	4	physical_converter =
309	4	std::make_unique<UUIDVarBinaryConverter>(parquet_schema.type_length);
310	4	} else {
311	4	DCHECK(src_physical_type == tparquet::Type::BYTE_ARRAY) << src_physical_type;
312	4	physical_converter = std::make_unique<ConsistentPhysicalConverter>();
313	4	}
314	8	} else if (src_logical_primitive == TYPE_TIMESTAMPTZ) {
315	4	if (src_physical_type == tparquet::Type::INT96) {
316	2	physical_converter = std::make_unique<Int96toTimestampTz>();
317	2	} else if (src_physical_type == tparquet::Type::INT64) {
318	2	DCHECK(src_physical_type == tparquet::Type::INT64) << src_physical_type;
319	2	DCHECK(parquet_schema.logicalType.__isset.TIMESTAMP) << parquet_schema.name;
320	2	physical_converter = std::make_unique<Int64ToTimestampTz>();
321	2	} else {
322	0	physical_converter =
323	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
324	0	}
325	4	} else {
326	0	physical_converter =
327	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
328	0	}
329
330	642	if (physical_converter->support()) {
331	640	physical_converter->_convert_params = std::move(convert_params);
332	640	physical_converter->_logical_converter = converter::ColumnTypeConverter::get_converter(
333	640	src_logical_type, dst_logical_type, converter::FileFormat::PARQUET);
334	640	if (!physical_converter->_logical_converter->support()) {
335	0	physical_converter = std::make_unique<UnsupportedConverter>(
336	0	"Unsupported type change: " +
337	0	physical_converter->_logical_converter->get_error_msg());
338	0	}
339	640	}
340	642	return physical_converter;
341	642	}
342
343		} // namespace doris::parquet