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 <utility>

#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 NativeUUIDConverter 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, UUIDValue::BINARY_LENGTH);
        auto& values =
                assert_cast<ColumnUUID&>(*get_mutable_inner_column(src_logical_column)).get_data();
        for (size_t i = 0; i < src_data.rows; ++i) {
            // File UUIDs use network byte order, unlike the native column's integer layout.
            values.push_back(UUIDValue::from_big_endian(reinterpret_cast<const uint8_t*>(
                    src_data.data + i * UUIDValue::BINARY_LENGTH)));
        }
        return Status::OK();
    }
};

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_UUID) {
        if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY &&
            std::cmp_equal(parquet_schema.type_length, UUIDValue::BINARY_LENGTH)) {
            physical_converter = std::make_unique<NativeUUIDConverter>();
        } 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: 2026-10-28 16:17

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 <utility>
24
25		#include "common/cast_set.h"
26		#include "core/column/column_fixed_length_object.h"
27		#include "core/column/column_nullable.h"
28		#include "core/data_type/data_type_fixed_length_object.h"
29		#include "core/data_type/data_type_nullable.h"
30		#include "core/data_type/define_primitive_type.h"
31		#include "core/data_type/primitive_type.h"
32		#include "core/value/uuid_value.h"
33
34		namespace doris::parquet {
35		const cctz::time_zone ConvertParams::utc0 = cctz::utc_time_zone();
36
37		#define FOR_LOGICAL_DECIMAL_TYPES(M) \
38	0	M(TYPE_DECIMAL32) \
39	0	M(TYPE_DECIMAL64) \
40	0	M(TYPE_DECIMAL128I) \
41	0	M(TYPE_DECIMAL256)
42
43	78	bool PhysicalToLogicalConverter::is_parquet_native_type(PrimitiveType type) {
44	78	switch (type) {
45	0	case TYPE_BOOLEAN:
46	42	case TYPE_INT:
47	43	case TYPE_BIGINT:
48	54	case TYPE_FLOAT:
49	54	case TYPE_DOUBLE:
50	63	case TYPE_STRING:
51	63	case TYPE_CHAR:
52	63	case TYPE_VARCHAR:
53	63	return true;
54	15	default:
55	15	return false;
56	78	}
57	78	}
58
59	15	bool PhysicalToLogicalConverter::is_decimal_type(doris::PrimitiveType type) {
60	15	switch (type) {
61	0	case TYPE_DECIMAL32:
62	0	case TYPE_DECIMAL64:
63	0	case TYPE_DECIMAL128I:
64	0	case TYPE_DECIMAL256:
65	0	case TYPE_DECIMALV2:
66	0	return true;
67	15	default:
68	15	return false;
69	15	}
70	15	}
71
72		ColumnPtr PhysicalToLogicalConverter::get_physical_column(tparquet::Type::type src_physical_type,
73		DataTypePtr src_logical_type,
74		ColumnPtr& dst_logical_column,
75		const DataTypePtr& dst_logical_type,
76	0	bool is_dict_filter) {
77	0	if (is_dict_filter) {
78	0	src_physical_type = tparquet::Type::INT32;
79	0	src_logical_type = DataTypeFactory::instance().create_data_type(
80	0	PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
81	0	}
82
83	0	if (!_convert_params->is_type_compatibility && is_consistent() &&
84	0	_logical_converter->is_consistent()) {
85	0	if (_cached_src_physical_type == nullptr) {
86	0	_cached_src_physical_type = dst_logical_type->is_nullable()
87	0	? make_nullable(src_logical_type)
88	0	: remove_nullable(src_logical_type);
89	0	}
90	0	return dst_logical_column;
91	0	}
92
93	0	if (!_cached_src_physical_column) {
94	0	switch (src_physical_type) {
95	0	case tparquet::Type::type::BOOLEAN:
96	0	_cached_src_physical_type = std::make_shared<DataTypeUInt8>();
97	0	break;
98	0	case tparquet::Type::type::INT32:
99	0	_cached_src_physical_type = std::make_shared<DataTypeInt32>();
100	0	break;
101	0	case tparquet::Type::type::INT64:
102	0	_cached_src_physical_type = std::make_shared<DataTypeInt64>();
103	0	break;
104	0	case tparquet::Type::type::FLOAT:
105	0	_cached_src_physical_type = std::make_shared<DataTypeFloat32>();
106	0	break;
107	0	case tparquet::Type::type::DOUBLE:
108	0	_cached_src_physical_type = std::make_shared<DataTypeFloat64>();
109	0	break;
110	0	case tparquet::Type::type::BYTE_ARRAY:
111	0	_cached_src_physical_type = std::make_shared<DataTypeString>();
112	0	break;
113	0	case tparquet::Type::type::FIXED_LEN_BYTE_ARRAY:
114	0	_cached_src_physical_type = std::make_shared<DataTypeFixedLengthObject>();
115	0	break;
116	0	case tparquet::Type::type::INT96:
117	0	_cached_src_physical_type = std::make_shared<DataTypeInt8>();
118	0	break;
119	0	}
120	0	const bool is_fixed_length_byte_array =
121	0	src_physical_type == tparquet::Type::type::FIXED_LEN_BYTE_ARRAY;
122	0	if (dst_logical_type->is_nullable()) {
123	0	MutableColumnPtr nested_physical_column;
124	0	if (is_fixed_length_byte_array) {
125	0	nested_physical_column = ColumnFixedLengthObject::create(
126	0	_convert_params->field_schema->parquet_schema.type_length);
127	0	} else {
128	0	nested_physical_column = _cached_src_physical_type->create_column();
129	0	}
130	0	_cached_src_physical_column = ColumnNullable::create(std::move(nested_physical_column),
131	0	ColumnUInt8::create());
132	0	_cached_src_physical_type = make_nullable(_cached_src_physical_type);
133	0	} else {
134	0	if (is_fixed_length_byte_array) {
135	0	_cached_src_physical_column = ColumnFixedLengthObject::create(
136	0	_convert_params->field_schema->parquet_schema.type_length);
137	0	} else {
138	0	_cached_src_physical_column = _cached_src_physical_type->create_column();
139	0	}
140	0	}
141	0	}
142		// remove the old cached data
143	0	auto cached_src_physical_column = IColumn::mutate(std::move(_cached_src_physical_column));
144	0	cached_src_physical_column->clear();
145	0	_cached_src_physical_column = std::move(cached_src_physical_column);
146
147	0	return _cached_src_physical_column;
148	0	}
149
150		static void get_decimal_converter(const FieldSchema* field_schema, DataTypePtr src_logical_type,
151		const DataTypePtr& dst_logical_type,
152		ConvertParams* convert_params,
153	0	std::unique_ptr<PhysicalToLogicalConverter>& physical_converter) {
154	0	const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
155	0	if (is_decimal(dst_logical_type->get_primitive_type())) {
156	0	src_logical_type = create_decimal(parquet_schema.precision, parquet_schema.scale, false);
157	0	}
158
159	0	tparquet::Type::type src_physical_type = parquet_schema.type;
160	0	PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();
161
162	0	if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
163	0	switch (src_logical_primitive) {
164	0	#define DISPATCH(LOGICAL_PTYPE) \
165	0	case LOGICAL_PTYPE: { \
166	0	physical_converter.reset( \
167	0	new FixedSizeToDecimal<LOGICAL_PTYPE>(parquet_schema.type_length)); \
168	0	break; \
169	0	}
170	0	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
171	0	#undef DISPATCH
172	0	default:
173	0	physical_converter =
174	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
175	0	}
176	0	} else if (src_physical_type == tparquet::Type::BYTE_ARRAY) {
177	0	switch (src_logical_primitive) {
178	0	#define DISPATCH(LOGICAL_PTYPE) \
179	0	case LOGICAL_PTYPE: { \
180	0	physical_converter.reset(new StringToDecimal<LOGICAL_PTYPE>()); \
181	0	break; \
182	0	}
183	0	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
184	0	#undef DISPATCH
185	0	default:
186	0	physical_converter =
187	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
188	0	}
189	0	} else if (src_physical_type == tparquet::Type::INT32 \|\|
190	0	src_physical_type == tparquet::Type::INT64) {
191	0	switch (src_logical_primitive) {
192	0	#define DISPATCH(LOGICAL_PTYPE) \
193	0	case LOGICAL_PTYPE: { \
194	0	if (src_physical_type == tparquet::Type::INT32) { \
195	0	physical_converter.reset(new NumberToDecimal<TYPE_INT, LOGICAL_PTYPE>()); \
196	0	} else { \
197	0	physical_converter.reset(new NumberToDecimal<TYPE_BIGINT, LOGICAL_PTYPE>()); \
198	0	} \
199	0	break; \
200	0	}
201	0	FOR_LOGICAL_DECIMAL_TYPES(DISPATCH)
202	0	#undef DISPATCH
203	0	default:
204	0	physical_converter =
205	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
206	0	}
207	0	} else {
208	0	physical_converter =
209	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
210	0	}
211	0	}
212
213		namespace {
214
215		class NativeUUIDConverter final : public PhysicalToLogicalConverter {
216		public:
217	1	Status physical_convert(ColumnPtr& src_physical_col, ColumnPtr& src_logical_column) override {
218	1	const auto from_col = remove_nullable(src_physical_col);
219	1	const auto src_data = get_fixed_length_physical_data(*from_col, UUIDValue::BINARY_LENGTH);
220	1	auto& values =
221	1	assert_cast<ColumnUUID&>(*get_mutable_inner_column(src_logical_column)).get_data();
222	3	for (size_t i = 0; i < src_data.rows; ++i) {
223		// File UUIDs use network byte order, unlike the native column's integer layout.
224	2	values.push_back(UUIDValue::from_big_endian(reinterpret_cast<const uint8_t*>(
225	2	src_data.data + i * UUIDValue::BINARY_LENGTH)));
226	2	}
227	1	return Status::OK();
228	1	}
229		};
230
231		class UUIDStringConverter final : public PhysicalToLogicalConverter {
232		public:
233	2	Status physical_convert(ColumnPtr& src_physical_col, ColumnPtr& src_logical_column) override {
234	2	const auto from_col = remove_nullable(src_physical_col);
235	2	const auto src_data = get_fixed_length_physical_data(*from_col, 16);
236	2	auto& strings = assert_cast<ColumnString&>(*get_mutable_inner_column(src_logical_column));
237	8	for (size_t i = 0; i < src_data.rows; ++i) {
238	6	const auto value = UUIDValue::from_big_endian(
239	6	reinterpret_cast<const uint8_t>(src_data.data + i 16));
240	6	const auto text = UUIDValue::to_string(value);
241	6	strings.insert_data(text.data(), text.size());
242	6	}
243	2	return Status::OK();
244	2	}
245		};
246
247		} // namespace
248
249		std::unique_ptr<PhysicalToLogicalConverter> PhysicalToLogicalConverter::get_converter(
250		const FieldSchema* field_schema, DataTypePtr src_logical_type,
251		const DataTypePtr& dst_logical_type, const cctz::time_zone* ctz, bool is_dict_filter,
252	78	bool preserve_binary_uuid) {
253	78	std::unique_ptr<ConvertParams> convert_params = std::make_unique<ConvertParams>();
254	78	const tparquet::SchemaElement& parquet_schema = field_schema->parquet_schema;
255	78	convert_params->init(field_schema, ctz);
256	78	tparquet::Type::type src_physical_type = parquet_schema.type;
257	78	std::unique_ptr<PhysicalToLogicalConverter> physical_converter;
258	78	if (is_dict_filter) {
259	0	src_physical_type = tparquet::Type::INT32;
260	0	src_logical_type = DataTypeFactory::instance().create_data_type(
261	0	PrimitiveType::TYPE_INT, dst_logical_type->is_nullable());
262	0	}
263	78	PrimitiveType src_logical_primitive = src_logical_type->get_primitive_type();
264
265	78	if (field_schema->is_type_compatibility) {
266	0	if (src_logical_primitive == TYPE_SMALLINT) {
267	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_SMALLINT>>();
268	0	} else if (src_logical_primitive == TYPE_INT) {
269	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_INT>>();
270	0	} else if (src_logical_primitive == TYPE_BIGINT) {
271	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_BIGINT>>();
272	0	} else if (src_logical_primitive == TYPE_LARGEINT) {
273	0	physical_converter = std::make_unique<UnsignedIntegerConverter<TYPE_LARGEINT>>();
274	0	} else {
275	0	physical_converter =
276	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
277	0	}
278	78	} else if (is_parquet_native_type(src_logical_primitive)) {
279	63	bool is_string_logical_type = is_string_type(src_logical_primitive);
280	63	if (is_string_logical_type && src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
281	6	if (parquet_schema.logicalType.__isset.UUID && !preserve_binary_uuid) {
282		// Ordinary Parquet scans expose canonical text, as in File Scanner V2.
283		// Iceberg retains its raw 16-byte STRING carrier for equality deletes/defaults.
284	2	if (parquet_schema.type_length != UUIDValue::BINARY_LENGTH) {
285	1	physical_converter = std::make_unique<UnsupportedConverter>(src_physical_type,
286	1	src_logical_type);
287	1	} else {
288	1	physical_converter = std::make_unique<UUIDStringConverter>();
289	1	}
290	4	} else {
291	4	physical_converter =
292	4	std::make_unique<FixedSizeBinaryConverter>(parquet_schema.type_length);
293	4	}
294	57	} else if (src_logical_primitive == TYPE_FLOAT &&
295	57	src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY &&
296	57	parquet_schema.logicalType.__isset.FLOAT16) {
297	0	physical_converter =
298	0	std::make_unique<Float16PhysicalConverter>(parquet_schema.type_length);
299	57	} else {
300	57	physical_converter = std::make_unique<ConsistentPhysicalConverter>();
301	57	}
302	63	} else if (src_logical_primitive == TYPE_TINYINT) {
303	0	physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_TINYINT>>();
304	15	} else if (src_logical_primitive == TYPE_SMALLINT) {
305	0	physical_converter = std::make_unique<LittleIntPhysicalConverter<TYPE_SMALLINT>>();
306	15	} else if (is_decimal_type(src_logical_primitive)) {
307	0	get_decimal_converter(field_schema, src_logical_type, dst_logical_type,
308	0	convert_params.get(), physical_converter);
309	15	} else if (src_logical_primitive == TYPE_DATEV2) {
310	0	physical_converter = std::make_unique<Int32ToDate>();
311	15	} else if (src_logical_primitive == TYPE_DATETIMEV2) {
312	11	if (src_physical_type == tparquet::Type::INT96) {
313		// int96 only stores nanoseconds in standard parquet file
314	1	convert_params->reset_time_scale_if_missing(9);
315	1	physical_converter = std::make_unique<Int96toTimestamp>();
316	10	} else if (src_physical_type == tparquet::Type::INT64) {
317	10	convert_params->reset_time_scale_if_missing(src_logical_type->get_scale());
318	10	physical_converter = std::make_unique<Int64ToTimestamp>();
319	10	} else {
320	0	physical_converter =
321	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
322	0	}
323	11	} else if (src_logical_primitive == TYPE_UUID) {
324	2	if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY &&
325	2	std::cmp_equal(parquet_schema.type_length, UUIDValue::BINARY_LENGTH)) {
326	1	physical_converter = std::make_unique<NativeUUIDConverter>();
327	1	} else {
328	1	physical_converter =
329	1	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
330	1	}
331	2	} else if (src_logical_primitive == TYPE_VARBINARY) {
332	0	if (src_physical_type == tparquet::Type::FIXED_LEN_BYTE_ARRAY) {
333	0	DCHECK(parquet_schema.logicalType.__isset.UUID) << parquet_schema.name;
334	0	physical_converter =
335	0	std::make_unique<UUIDVarBinaryConverter>(parquet_schema.type_length);
336	0	} else {
337	0	DCHECK(src_physical_type == tparquet::Type::BYTE_ARRAY) << src_physical_type;
338	0	physical_converter = std::make_unique<ConsistentPhysicalConverter>();
339	0	}
340	2	} else if (src_logical_primitive == TYPE_TIMESTAMPTZ) {
341	2	if (src_physical_type == tparquet::Type::INT96) {
342	1	physical_converter = std::make_unique<Int96toTimestampTz>();
343	1	} else if (src_physical_type == tparquet::Type::INT64) {
344	1	DCHECK(src_physical_type == tparquet::Type::INT64) << src_physical_type;
345	1	DCHECK(parquet_schema.logicalType.__isset.TIMESTAMP) << parquet_schema.name;
346	1	physical_converter = std::make_unique<Int64ToTimestampTz>();
347	1	} else {
348	0	physical_converter =
349	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
350	0	}
351	2	} else {
352	0	physical_converter =
353	0	std::make_unique<UnsupportedConverter>(src_physical_type, src_logical_type);
354	0	}
355
356	78	if (physical_converter->support()) {
357	76	physical_converter->_convert_params = std::move(convert_params);
358	76	physical_converter->_logical_converter = converter::ColumnTypeConverter::get_converter(
359	76	src_logical_type, dst_logical_type, converter::FileFormat::PARQUET);
360	76	if (!physical_converter->_logical_converter->support()) {
361	0	physical_converter = std::make_unique<UnsupportedConverter>(
362	0	"Unsupported type change: " +
363	0	physical_converter->_logical_converter->get_error_msg());
364	0	}
365	76	}
366	78	return physical_converter;
367	78	}
368
369		} // namespace doris::parquet