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#include "yql_skiff_schema.h"
#include <yql/essentials/providers/common/schema/parser/yql_type_parser.h>
#include <yql/essentials/providers/common/codec/yql_codec_type_flags.h>
#include <yql/essentials/public/udf/udf_data_type.h>
#include <library/cpp/yson/node/node_io.h>
#include <util/generic/yexception.h>
namespace NYql {
namespace NCommon {
struct TSkiffTypeLoader {
typedef NYT::TNode TType;
TSkiffTypeLoader(ui64 nativeYTTypesFlags)
: NativeYTTypesFlags(nativeYTTypesFlags)
{
}
TMaybe<TType> LoadVoidType(ui32 /*level*/) {
return NYT::TNode()("wire_type", (NativeYTTypesFlags & NTCF_VOID) ? "nothing" : "yson32");
}
TMaybe<TType> LoadNullType(ui32 /*level*/) {
return NYT::TNode()("wire_type", (NativeYTTypesFlags & NTCF_NULL) ? "nothing" : "yson32");
}
TMaybe<TType> LoadUnitType(ui32 /*level*/) {
ythrow yexception() << "Unsupported type: Unit";
}
TMaybe<TType> LoadGenericType(ui32 /*level*/) {
ythrow yexception() << "Unsupported type: Generic";
}
TMaybe<TType> LoadEmptyListType(ui32 /*level*/) {
return NYT::TNode()("wire_type", (NativeYTTypesFlags & NTCF_COMPLEX) ? "nothing" : "yson32");
}
TMaybe<TType> LoadEmptyDictType(ui32 /*level*/) {
return NYT::TNode()("wire_type", (NativeYTTypesFlags & NTCF_COMPLEX) ? "nothing" : "yson32");
}
TMaybe<TType> LoadDataType(const TString& dataType, ui32 /*level*/) {
const auto slot = NUdf::FindDataSlot(dataType);
if (!slot) {
ythrow yexception() << "Unsupported data type: " << dataType;
}
switch (*slot) {
case NUdf::EDataSlot::Bool:
return NYT::TNode()("wire_type", "boolean");
case NUdf::EDataSlot::Int8:
case NUdf::EDataSlot::Int16:
case NUdf::EDataSlot::Int32:
case NUdf::EDataSlot::Int64:
case NUdf::EDataSlot::Interval:
case NUdf::EDataSlot::Date32:
case NUdf::EDataSlot::Datetime64:
case NUdf::EDataSlot::Timestamp64:
case NUdf::EDataSlot::Interval64:
return NYT::TNode()("wire_type", "int64");
case NUdf::EDataSlot::Uint8:
case NUdf::EDataSlot::Uint16:
case NUdf::EDataSlot::Uint32:
case NUdf::EDataSlot::Uint64:
case NUdf::EDataSlot::Date:
case NUdf::EDataSlot::Datetime:
case NUdf::EDataSlot::Timestamp:
return NYT::TNode()("wire_type", "uint64");
case NUdf::EDataSlot::String:
case NUdf::EDataSlot::Utf8:
case NUdf::EDataSlot::Json:
case NUdf::EDataSlot::Uuid:
case NUdf::EDataSlot::DyNumber:
case NUdf::EDataSlot::JsonDocument:
return NYT::TNode()("wire_type", "string32");
case NUdf::EDataSlot::Yson:
return NYT::TNode()("wire_type", "yson32");
case NUdf::EDataSlot::Float:
case NUdf::EDataSlot::Double:
return NYT::TNode()("wire_type", "double");
case NUdf::EDataSlot::TzDate:
case NUdf::EDataSlot::TzDatetime:
case NUdf::EDataSlot::TzTimestamp:
case NUdf::EDataSlot::TzDate32:
case NUdf::EDataSlot::TzDatetime64:
case NUdf::EDataSlot::TzTimestamp64:
return NYT::TNode()("wire_type", "string32");
case NUdf::EDataSlot::Decimal:
ythrow yexception() << "Decimal type without parameters.";
break;
}
ythrow yexception() << "Unsupported data type" << NUdf::GetDataTypeInfo(*slot).Name;
}
TMaybe<TType> LoadPgType(const TString& pgType, ui32 level) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX) && level > 1) {
return NYT::TNode()("wire_type", "yson32");
}
TType itemType;
if (pgType == "bool") {
itemType = NYT::TNode()("wire_type", "boolean");
} else if (pgType == "int2" || pgType == "int4" || pgType == "int8") {
itemType = NYT::TNode()("wire_type", "int64");
} else if (pgType == "float4" || pgType == "float8") {
itemType = NYT::TNode()("wire_type", "double");
} else {
itemType = NYT::TNode()("wire_type", "string32");
}
return NYT::TNode()
("wire_type", "variant8")
("children", NYT::TNode()
.Add(NYT::TNode()("wire_type", "nothing"))
.Add(std::move(itemType))
);
}
TMaybe<TType> LoadDataTypeParams(const TString& dataType, const TString& paramOne, const TString& /*paramTwo*/, ui32 /*level*/) {
const auto slot = NUdf::FindDataSlot(dataType);
if (!slot) {
ythrow yexception() << "Unsupported data type: " << dataType;
}
if (NUdf::EDataSlot::Decimal != slot) {
ythrow yexception() << "Unexpected parameters for type: " << dataType;
}
ui8 precision = 0;
if (!TryFromString(paramOne, precision) || !precision || precision > 35) {
ythrow yexception() << "Invalid decimal precision: " << paramOne;
}
if (NativeYTTypesFlags & NTCF_DECIMAL) {
if (precision < 10) {
return NYT::TNode()("wire_type", "int32");
} else if (precision < 19) {
return NYT::TNode()("wire_type", "int64");
} else {
return NYT::TNode()("wire_type", "int128");
}
}
return NYT::TNode()("wire_type", "string32");
}
TMaybe<TType> LoadResourceType(const TString& /*tag*/, ui32 /*level*/) {
ythrow yexception() << "Unsupported type: Resource";
}
TMaybe<TType> LoadTaggedType(TType baseType, const TString& /*tag*/, ui32 /*level*/) {
return baseType;
}
TMaybe<TType> LoadErrorType(ui32 /*row*/, ui32 /*column*/, const TString& /*file*/, const TString& msg, ui32 /*level*/) {
ythrow yexception() << msg;
}
TMaybe<TType> LoadStructType(const TVector<std::pair<TString, TType>>& members, ui32 level) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX) && level > 0) {
return NYT::TNode()("wire_type", "yson32");
}
auto children = NYT::TNode::CreateList();
for (auto& item: members) {
NYT::TNode innerNode = item.second;
innerNode["name"] = item.first;
children.Add(std::move(innerNode));
}
return NYT::TNode()
("wire_type", "tuple")
("children", std::move(children));
}
TMaybe<TType> LoadListType(TType itemType, ui32 /*level*/) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX)) {
return NYT::TNode()("wire_type", "yson32");
}
return NYT::TNode()
("wire_type", "repeated_variant8")
("children", NYT::TNode()
.Add(std::move(itemType))
);
}
TMaybe<TType> LoadStreamType(TType /*itemType*/, ui32 /*level*/) {
ythrow yexception() << "Unsupported type: Stream";
}
TMaybe<TType> LoadOptionalType(TType itemType, ui32 level) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX) && level > 1) {
return NYT::TNode()("wire_type", "yson32");
}
return NYT::TNode()
("wire_type", "variant8")
("children", NYT::TNode()
.Add(NYT::TNode()("wire_type", "nothing"))
.Add(std::move(itemType))
);
}
TMaybe<TType> LoadTupleType(const TVector<TType>& elements, ui32 /*level*/) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX)) {
return NYT::TNode()("wire_type", "yson32");
}
auto children = NYT::TNode::CreateList();
for (auto& inner: elements) {
children.Add(inner);
}
return NYT::TNode()
("wire_type", "tuple")
("children", std::move(children));
}
TMaybe<TType> LoadDictType(TType keyType, TType valType, ui32 /*level*/) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX)) {
return NYT::TNode()("wire_type", "yson32");
}
return NYT::TNode()
("wire_type", "repeated_variant8")
("children", NYT::TNode()
.Add(NYT::TNode()
("wire_type", "tuple")
("children", NYT::TNode()
.Add(std::move(keyType))
.Add(std::move(valType))
)
)
);
}
TMaybe<TType> LoadCallableType(TType /*returnType*/, const TVector<TType>& /*argTypes*/, const TVector<TString>& /*argNames*/,
const TVector<ui64>& /*argFlags*/, size_t /*optionalCount*/, const TString& /*payload*/, ui32 /*level*/) {
ythrow yexception() << "Unsupported type: Callable";
}
TMaybe<TType> LoadVariantType(TType underlyingType, ui32 /*level*/) {
if (!(NativeYTTypesFlags & NTCF_COMPLEX)) {
return NYT::TNode()("wire_type", "yson32");
}
if (!underlyingType.IsMap() || !underlyingType.HasKey("children") || !underlyingType["children"].IsList()) {
ythrow yexception() << "Bad variant underlying type: " << NYT::NodeToYsonString(underlyingType);
}
auto altCount = underlyingType["children"].AsList().size();
underlyingType["wire_type"] = altCount < 256 ? "variant8" : "variant16";
return underlyingType;
}
void Error(const TString& info) {
ythrow yexception() << info;
}
ui64 NativeYTTypesFlags;
};
NYT::TNode ParseSkiffTypeFromYson(const NYT::TNode& node, ui64 nativeYTTypesFlags) {
TSkiffTypeLoader loader(nativeYTTypesFlags);
return DoLoadTypeFromYson(loader, node, 0).GetOrElse(NYT::TNode());
}
} // namespace NCommon
} // namespace NYql
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