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s3 arrow converters have been added (ydb-platform#1249)
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ydb/library/yql/providers/s3/actors/yql_arrow_column_converters.cpp
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| #include "yql_arrow_column_converters.h" | ||
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| #include <contrib/libs/apache/arrow/cpp/src/arrow/array/array_binary.h> | ||
| #include <contrib/libs/apache/arrow/cpp/src/arrow/compute/cast.h> | ||
| #include <contrib/libs/apache/arrow/cpp/src/parquet/exception.h> | ||
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| #include <ydb/library/yql/minikql/mkql_node.h> | ||
| #include <ydb/library/yql/minikql/mkql_node_builder.h> | ||
| #include <ydb/library/yql/minikql/mkql_node_cast.h> | ||
| #include <ydb/library/yql/minikql/mkql_type_builder.h> | ||
| #include <ydb/library/yql/parser/pg_catalog/catalog.h> | ||
| #include <ydb/library/yql/public/udf/arrow/block_builder.h> | ||
| #include <ydb/library/yql/public/udf/arrow/block_item.h> | ||
| #include <ydb/library/yql/public/udf/arrow/block_reader.h> | ||
| #include <ydb/library/yql/utils/yql_panic.h> | ||
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| #ifdef THROW | ||
| #undef THROW | ||
| #endif | ||
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| #pragma clang diagnostic push | ||
| #pragma clang diagnostic ignored "-Wunused-parameter" | ||
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| #include <ydb/library/yql/udfs/common/clickhouse/client/src/Functions/FunctionsConversion.h> | ||
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| #pragma clang diagnostic pop | ||
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| namespace { | ||
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| #define THROW_ARROW_NOT_OK(status) \ | ||
| do \ | ||
| { \ | ||
| if (::arrow::Status _s = (status); !_s.ok()) \ | ||
| throw yexception() << _s.ToString(); \ | ||
| } while (false) | ||
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| using namespace NYql; | ||
| using namespace NKikimr::NMiniKQL; | ||
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| template <bool isOptional> | ||
| std::shared_ptr<arrow::Array> ArrowDate32AsYqlDate(const std::shared_ptr<arrow::DataType>& targetType, const std::shared_ptr<arrow::Array>& value) { | ||
| ::NYql::NUdf::TFixedSizeArrayBuilder<ui16, isOptional> builder(NKikimr::NMiniKQL::TTypeInfoHelper(), targetType, *arrow::system_memory_pool(), value->length()); | ||
| ::NYql::NUdf::TFixedSizeBlockReader<i32, isOptional> reader; | ||
| for (i64 i = 0; i < value->length(); ++i) { | ||
| const NUdf::TBlockItem item = reader.GetItem(*value->data(), i); | ||
| if constexpr (isOptional) { | ||
| if (!item) { | ||
| builder.Add(item); | ||
| continue; | ||
| } | ||
| } else if (!item) { | ||
| throw parquet::ParquetException(TStringBuilder() << "null value for date could not be represented in non-optional type"); | ||
| } | ||
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| const i32 v = item.As<i32>(); | ||
| if (v < 0 || v > ::NYql::NUdf::MAX_DATE) { | ||
| throw parquet::ParquetException(TStringBuilder() << "date in parquet is out of range [0, " << ::NYql::NUdf::MAX_DATE << "]: " << v); | ||
| } | ||
| builder.Add(NUdf::TBlockItem(static_cast<ui16>(v))); | ||
| } | ||
| return builder.Build(true).make_array(); | ||
| } | ||
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| TColumnConverter ArrowDate32AsYqlDate(const std::shared_ptr<arrow::DataType>& targetType, bool isOptional) { | ||
| return [targetType, isOptional](const std::shared_ptr<arrow::Array>& value) { | ||
| return isOptional | ||
| ? ArrowDate32AsYqlDate<true>(targetType, value) | ||
| : ArrowDate32AsYqlDate<false>(targetType, value); | ||
| }; | ||
| } | ||
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| template <bool isOptional> | ||
| std::shared_ptr<arrow::Array> ArrowStringAsYqlDateTime(const std::shared_ptr<arrow::DataType>& targetType, const std::shared_ptr<arrow::Array>& value, const NDB::FormatSettings& formatSettings) { | ||
| ::NYql::NUdf::TFixedSizeArrayBuilder<ui32, isOptional> builder(NKikimr::NMiniKQL::TTypeInfoHelper(), targetType, *arrow::system_memory_pool(), value->length()); | ||
| ::NYql::NUdf::TStringBlockReader<arrow::BinaryType, isOptional, NKikimr::NUdf::EDataSlot::String> reader; | ||
| for (i64 i = 0; i < value->length(); ++i) { | ||
| NUdf::TBlockItem item = reader.GetItem(*value->data(), i); | ||
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| if constexpr (isOptional) { | ||
| if (!item) { | ||
| builder.Add(item); | ||
| continue; | ||
| } | ||
| } else if (!item) { | ||
| throw parquet::ParquetException(TStringBuilder() << "null value for date could not be represented in non-optional type"); | ||
| } | ||
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| auto ref = item.AsStringRef(); | ||
| NDB::ReadBufferFromMemory rb{ref.Data(), ref.Size()}; | ||
| uint32_t result = 0; | ||
| parseImpl<NDB::DataTypeDateTime>(result, rb, nullptr, formatSettings); | ||
| builder.Add(NUdf::TBlockItem(static_cast<ui32>(result))); | ||
| } | ||
| return builder.Build(true).make_array(); | ||
| } | ||
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| TColumnConverter ArrowStringAsYqlDateTime(const std::shared_ptr<arrow::DataType>& targetType, bool isOptional, const NDB::FormatSettings& formatSettings) { | ||
| return [targetType, isOptional, formatSettings](const std::shared_ptr<arrow::Array>& value) { | ||
| return isOptional | ||
| ? ArrowStringAsYqlDateTime<true>(targetType, value, formatSettings) | ||
| : ArrowStringAsYqlDateTime<false>(targetType, value, formatSettings); | ||
| }; | ||
| } | ||
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| template <bool isOptional> | ||
| std::shared_ptr<arrow::Array> ArrowStringAsYqlTimestamp(const std::shared_ptr<arrow::DataType>& targetType, const std::shared_ptr<arrow::Array>& value, const NDB::FormatSettings& formatSettings) { | ||
| ::NYql::NUdf::TFixedSizeArrayBuilder<ui64, isOptional> builder(NKikimr::NMiniKQL::TTypeInfoHelper(), targetType, *arrow::system_memory_pool(), value->length()); | ||
| ::NYql::NUdf::TStringBlockReader<arrow::BinaryType, isOptional, NKikimr::NUdf::EDataSlot::String> reader; | ||
| for (i64 i = 0; i < value->length(); ++i) { | ||
| NUdf::TBlockItem item = reader.GetItem(*value->data(), i); | ||
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| if constexpr (isOptional) { | ||
| if (!item) { | ||
| builder.Add(item); | ||
| continue; | ||
| } | ||
| } else if (!item) { | ||
| throw parquet::ParquetException(TStringBuilder() << "null value for date could not be represented in non-optional type"); | ||
| } | ||
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| auto ref = item.AsStringRef(); | ||
| NDB::ReadBufferFromMemory rb{ref.Data(), ref.Size()}; | ||
| NDB::DateTime64 result = 0; | ||
| readTextTimestamp64(result, 0, rb, DateLUT::instance(), formatSettings); | ||
| builder.Add(NUdf::TBlockItem(static_cast<ui64>(result))); | ||
| } | ||
| return builder.Build(true).make_array(); | ||
| } | ||
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| TColumnConverter ArrowStringAsYqlTimestamp(const std::shared_ptr<arrow::DataType>& targetType, bool isOptional, const NDB::FormatSettings& formatSettings) { | ||
| return [targetType, isOptional, formatSettings](const std::shared_ptr<arrow::Array>& value) { | ||
| return isOptional | ||
| ? ArrowStringAsYqlTimestamp<true>(targetType, value, formatSettings) | ||
| : ArrowStringAsYqlTimestamp<false>(targetType, value, formatSettings); | ||
| }; | ||
| } | ||
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| TColumnConverter BuildCustomConverter(const std::shared_ptr<arrow::DataType>& originalType, const std::shared_ptr<arrow::DataType>& targetType, TType* yqlType, const NDB::FormatSettings& formatSettings) { | ||
| // TODO: support more than 1 optional level | ||
| bool isOptional = false; | ||
| auto unpackedYqlType = UnpackOptional(yqlType, isOptional); | ||
| if (!unpackedYqlType->IsData()) { | ||
| return {}; | ||
| } | ||
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| auto slot = AS_TYPE(TDataType, unpackedYqlType)->GetDataSlot(); | ||
| if (!slot) { | ||
| return {}; | ||
| } | ||
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| auto slotItem = *slot; | ||
| switch (originalType->id()) { | ||
| case arrow::Type::DATE32: | ||
| switch (slotItem) { | ||
| case NUdf::EDataSlot::Date: | ||
| return ArrowDate32AsYqlDate(targetType, isOptional); | ||
| default: | ||
| return {}; | ||
| } | ||
| return {}; | ||
| case arrow::Type::BINARY: | ||
| switch (slotItem) { | ||
| case NUdf::EDataSlot::Datetime: | ||
| return ArrowStringAsYqlDateTime(targetType, isOptional, formatSettings); | ||
| case NUdf::EDataSlot::Timestamp: | ||
| return ArrowStringAsYqlTimestamp(targetType, isOptional, formatSettings); | ||
| default: | ||
| return {}; | ||
| } | ||
| return {}; | ||
| default: | ||
| return {}; | ||
| } | ||
| } | ||
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| } | ||
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| namespace NYql::NDq { | ||
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| TColumnConverter BuildColumnConverter(const std::string& columnName, const std::shared_ptr<arrow::DataType>& originalType, const std::shared_ptr<arrow::DataType>& targetType, TType* yqlType, const NDB::FormatSettings& formatSettings) { | ||
| if (yqlType->IsPg()) { | ||
| auto pgType = AS_TYPE(TPgType, yqlType); | ||
| auto conv = BuildPgColumnConverter(originalType, pgType); | ||
| if (!conv) { | ||
| ythrow yexception() << "Arrow type: " << originalType->ToString() << | ||
| " of field: " << columnName << " isn't compatible to PG type: " << NPg::LookupType(pgType->GetTypeId()).Name; | ||
| } | ||
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| return conv; | ||
| } | ||
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| if (auto customConverter = BuildCustomConverter(originalType, targetType, yqlType, formatSettings); customConverter) { | ||
| return customConverter; | ||
| } | ||
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| if (targetType->Equals(originalType)) { | ||
| return {}; | ||
| } | ||
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| YQL_ENSURE(arrow::compute::CanCast(*originalType, *targetType), "Mismatch type for field: " << columnName << ", expected: " | ||
| << targetType->ToString() << ", got: " << originalType->ToString()); | ||
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| return [targetType](const std::shared_ptr<arrow::Array>& value) { | ||
| auto res = arrow::compute::Cast(*value, targetType); | ||
| THROW_ARROW_NOT_OK(res.status()); | ||
| return std::move(res).ValueOrDie(); | ||
| }; | ||
| } | ||
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| } // namespace NYql::NDq |
15 changes: 15 additions & 0 deletions
15
ydb/library/yql/providers/s3/actors/yql_arrow_column_converters.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| #pragma once | ||
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| #include <ydb/library/yql/parser/pg_wrapper/interface/arrow.h> | ||
| #include <ydb/library/yql/udfs/common/clickhouse/client/src/Formats/FormatSettings.h> | ||
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| namespace NYql::NDq { | ||
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| TColumnConverter BuildColumnConverter( | ||
| const std::string& columnName, | ||
| const std::shared_ptr<arrow::DataType>& originalType, | ||
| const std::shared_ptr<arrow::DataType>& targetType, | ||
| NKikimr::NMiniKQL::TType* yqlType, | ||
| const NDB::FormatSettings& formatSettings); | ||
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| } // namespace NYql::NDq |
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