Revert "YT-19324: move YT provider to ydb/library/yql"

This reverts commit ca272f12fdd0e8d5c3e957fc87939148f1caaf72, reversing
changes made to 49f8acfc8b0b5c0071b804423bcf53fda26c7c12.

1 files changed, 0 insertions, 164 deletions

diff --git a/library/cpp/skiff/skiff_schema.cpp b/library/cpp/skiff/skiff_schema.cpp
deleted file mode 100644
index c762896ad0..0000000000
--- a/library/cpp/skiff/skiff_schema.cpp
+++ /dev/null
@@ -1,164 +0,0 @@
-#include "skiff_schema.h"
-
-#include "skiff.h"
-
-#include <util/generic/hash.h>
-
-namespace NSkiff {
-
-////////////////////////////////////////////////////////////////////////////////
-
-bool operator==(const TSkiffSchema& lhs, const TSkiffSchema& rhs)
-{
-    if (lhs.GetWireType() != rhs.GetWireType() || lhs.GetName() != rhs.GetName()) {
-        return false;
-    }
-    const auto& lhsChildren = lhs.GetChildren();
-    const auto& rhsChildren = rhs.GetChildren();
-    return std::equal(
-        std::begin(lhsChildren),
-        std::end(lhsChildren),
-        std::begin(rhsChildren),
-        std::end(rhsChildren),
-        TSkiffSchemaPtrEqual());
-}
-
-bool operator!=(const TSkiffSchema& lhs, const TSkiffSchema& rhs)
-{
-    return !(lhs == rhs);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-void PrintShortDebugString(const std::shared_ptr<const TSkiffSchema>& schema, IOutputStream* out)
-{
-    (*out) << ToString(schema->GetWireType());
-    if (!IsSimpleType(schema->GetWireType())) {
-        auto children = schema->GetChildren();
-        if (!children.empty()) {
-            (*out) << '<';
-            for (const auto& child : children) {
-                PrintShortDebugString(child, out);
-                (*out) << ';';
-            }
-            (*out) << '>';
-        }
-    }
-}
-
-TString GetShortDebugString(const std::shared_ptr<const TSkiffSchema>& schema)
-{
-    TStringStream out;
-    PrintShortDebugString(schema, &out);
-    return out.Str();
-}
-
-std::shared_ptr<TSimpleTypeSchema> CreateSimpleTypeSchema(EWireType type)
-{
-    return std::make_shared<TSimpleTypeSchema>(type);
-}
-
-static void VerifyNonemptyChildren(const TSkiffSchemaList& children, EWireType wireType)
-{
-    if (children.empty()) {
-        ythrow TSkiffException() << "\"" << ToString(wireType) << "\" must have at least one child";
-    }
-}
-
-std::shared_ptr<TTupleSchema> CreateTupleSchema(TSkiffSchemaList children)
-{
-    return std::make_shared<TTupleSchema>(std::move(children));
-}
-
-std::shared_ptr<TVariant8Schema> CreateVariant8Schema(TSkiffSchemaList children)
-{
-    VerifyNonemptyChildren(children, EWireType::Variant8);
-    return std::make_shared<TVariant8Schema>(std::move(children));
-}
-
-std::shared_ptr<TVariant16Schema> CreateVariant16Schema(TSkiffSchemaList children)
-{
-    VerifyNonemptyChildren(children, EWireType::Variant16);
-    return std::make_shared<TVariant16Schema>(std::move(children));
-}
-
-std::shared_ptr<TRepeatedVariant8Schema> CreateRepeatedVariant8Schema(TSkiffSchemaList children)
-{
-    VerifyNonemptyChildren(children, EWireType::RepeatedVariant8);
-    return std::make_shared<TRepeatedVariant8Schema>(std::move(children));
-}
-
-std::shared_ptr<TRepeatedVariant16Schema> CreateRepeatedVariant16Schema(TSkiffSchemaList children)
-{
-    VerifyNonemptyChildren(children, EWireType::RepeatedVariant16);
-    return std::make_shared<TRepeatedVariant16Schema>(std::move(children));
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-TSkiffSchema::TSkiffSchema(EWireType type)
-    : Type_(type)
-{ }
-
-EWireType TSkiffSchema::GetWireType() const
-{
-    return Type_;
-}
-
-std::shared_ptr<TSkiffSchema> TSkiffSchema::SetName(TString name)
-{
-    Name_ = std::move(name);
-    return shared_from_this();
-}
-
-const TString& TSkiffSchema::GetName() const
-{
-    return Name_;
-}
-
-const TSkiffSchemaList& TSkiffSchema::GetChildren() const
-{
-    static const TSkiffSchemaList children;
-    return children;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-TSimpleTypeSchema::TSimpleTypeSchema(EWireType type)
-    : TSkiffSchema(type)
-{
-    Y_VERIFY(IsSimpleType(type));
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-size_t TSkiffSchemaPtrHasher::operator()(const std::shared_ptr<TSkiffSchema>& schema) const
-{
-    return THash<NSkiff::TSkiffSchema>()(*schema);
-}
-
-size_t TSkiffSchemaPtrEqual::operator()(
-    const std::shared_ptr<TSkiffSchema>& lhs,
-    const std::shared_ptr<TSkiffSchema>& rhs) const
-{
-    return *lhs == *rhs;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-} // namespace NSkiff
-
-////////////////////////////////////////////////////////////////////////////////
-
-size_t THash<NSkiff::TSkiffSchema>::operator()(const NSkiff::TSkiffSchema &schema) const
-{
-    auto hash = CombineHashes(
-        THash<TString>()(schema.GetName()),
-        static_cast<size_t>(schema.GetWireType()));
-    for (const auto& child : schema.GetChildren()) {
-        hash = CombineHashes(hash, (*this)(*child));
-    }
-    return hash;
-}
-
-////////////////////////////////////////////////////////////////////////////////