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#include <yql/essentials/public/udf/udf_value.h>
#include <yql/essentials/public/udf/udf_value_builder.h>
#include <yql/essentials/public/udf/udf_type_builder.h>
#include <yql/essentials/public/udf/udf_registrator.h>
#include <util/generic/yexception.h>
using namespace NKikimr;
using namespace NUdf;
namespace {
struct TRecordInfo
{
ui32 Key;
ui32 Subkey;
ui32 Value;
static constexpr ui32 FieldsCount = 3U;
};
//////////////////////////////////////////////////////////////////////////////
// TDummyLog
//////////////////////////////////////////////////////////////////////////////
class TDummyLog: public TBoxedValue
{
public:
explicit TDummyLog(
const TRecordInfo& fieldIndexes)
: RecordInfo_(fieldIndexes)
{
}
private:
TUnboxedValue Run(
const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override
{
auto keyData = args[0].GetElement(RecordInfo_.Key);
auto subkeyData = args[0].GetElement(RecordInfo_.Subkey);
auto valueData = args[0].GetElement(RecordInfo_.Value);
TString key = TString("Key: ") + keyData.AsStringRef();
TString subkey = TString("Subkey: ") + subkeyData.AsStringRef();
TString value = TString("Value: ") + valueData.AsStringRef();
TUnboxedValue* items = nullptr;
auto res = valueBuilder->NewArray(RecordInfo_.FieldsCount, items);
items[RecordInfo_.Key] = valueBuilder->NewString(key);
items[RecordInfo_.Subkey] = valueBuilder->NewString(subkey);
items[RecordInfo_.Value] = valueBuilder->NewString(value);
return res;
}
const TRecordInfo RecordInfo_;
};
class TDummyLog2 : public TBoxedValue
{
public:
class TFactory : public TBoxedValue {
public:
TFactory(const TRecordInfo& inputInfo, const TRecordInfo& outputInfo)
: InputInfo_(inputInfo)
, OutputInfo_(outputInfo)
{}
private:
TUnboxedValue Run(
const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override
{
Y_UNUSED(valueBuilder);
return TUnboxedValuePod(new TDummyLog2(args[0], InputInfo_, OutputInfo_));
}
const TRecordInfo InputInfo_;
const TRecordInfo OutputInfo_;
};
explicit TDummyLog2(
const TUnboxedValuePod& runConfig,
const TRecordInfo& inputInfo,
const TRecordInfo& outputInfo
)
: Prefix_(runConfig.AsStringRef())
, InputInfo_(inputInfo)
, OutputInfo_(outputInfo)
{
}
private:
TUnboxedValue Run(
const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override
{
auto keyData = args[0].GetElement(InputInfo_.Key);
auto valueData = args[0].GetElement(InputInfo_.Value);
TString key = Prefix_ + TString("Key: ") + keyData.AsStringRef();
TString value = Prefix_ + TString("Value: ") + valueData.AsStringRef();
TUnboxedValue* items = nullptr;
auto res = valueBuilder->NewArray(2U, items);
items[OutputInfo_.Key] = valueBuilder->NewString(key);
items[OutputInfo_.Value] = valueBuilder->NewString(value);
return res;
}
const TString Prefix_;
const TRecordInfo InputInfo_;
const TRecordInfo OutputInfo_;
};
//////////////////////////////////////////////////////////////////////////////
// TDummyLogModule
//////////////////////////////////////////////////////////////////////////////
class TDummyLogModule: public IUdfModule
{
public:
TStringRef Name() const {
return TStringRef::Of("DummyLog");
}
void CleanupOnTerminate() const final {}
void GetAllFunctions(IFunctionsSink& sink) const final {
sink.Add(TStringRef::Of("ReadRecord"));
sink.Add(TStringRef::Of("ReadRecord2"))->SetTypeAwareness();
}
void BuildFunctionTypeInfo(
const TStringRef& name,
TType* userType,
const TStringRef& typeConfig,
ui32 flags,
IFunctionTypeInfoBuilder& builder) const final
{
try {
Y_UNUSED(userType);
Y_UNUSED(typeConfig);
bool typesOnly = (flags & TFlags::TypesOnly);
if (TStringRef::Of("ReadRecord") == name) {
TRecordInfo recordInfo;
auto recordType = builder.Struct(recordInfo.FieldsCount)->
AddField<char*>("key", &recordInfo.Key)
.AddField<char*>("subkey", &recordInfo.Subkey)
.AddField<char*>("value", &recordInfo.Value)
.Build();
builder.Returns(recordType).Args()->Add(recordType).Done();
if (!typesOnly) {
builder.Implementation(new TDummyLog(recordInfo));
}
}
if (TStringRef::Of("ReadRecord2") == name) {
if (TStringBuf(typeConfig) != TStringBuf("AAA")) {
builder.SetError(TStringRef::Of("Only AAA is valid type config"));
}
TRecordInfo inputInfo;
auto inputType = builder.Struct(inputInfo.FieldsCount)->
AddField<char*>("key", &inputInfo.Key)
.AddField<char*>("subkey", &inputInfo.Subkey)
.AddField<char*>("value", &inputInfo.Value)
.Build();
TRecordInfo outputInfo;
auto outputType = builder.Struct(2U)->
AddField<char*>("key", &outputInfo.Key)
.AddField<char*>("value", &outputInfo.Value)
.Build();
builder.Returns(outputType).Args()->Add(inputType).Done();
builder.RunConfig<char*>();
if (!typesOnly) {
builder.Implementation(new TDummyLog2::TFactory(inputInfo, outputInfo));
}
}
} catch (const std::exception& e) {
builder.SetError(CurrentExceptionMessage());
}
}
};
} // namespace
REGISTER_MODULES(TDummyLogModule)
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