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

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

1 files changed, 0 insertions, 121 deletions

diff --git a/library/cpp/skiff/skiff_schema.h b/library/cpp/skiff/skiff_schema.h
deleted file mode 100644
index 8952a84bac..0000000000
--- a/library/cpp/skiff/skiff_schema.h
+++ /dev/null
@@ -1,121 +0,0 @@
-#pragma once
-
-#include "public.h"
-
-#include <util/generic/string.h>
-#include <util/string/cast.h>
-
-#include <vector>
-
-namespace NSkiff {
-
-////////////////////////////////////////////////////////////////////////////////
-
-template <EWireType WireType>
-class TComplexSchema;
-
-using TTupleSchema = TComplexSchema<EWireType::Tuple>;
-using TVariant8Schema = TComplexSchema<EWireType::Variant8>;
-using TVariant16Schema = TComplexSchema<EWireType::Variant16>;
-using TRepeatedVariant8Schema = TComplexSchema<EWireType::RepeatedVariant8>;
-using TRepeatedVariant16Schema = TComplexSchema<EWireType::RepeatedVariant16>;
-
-using TTupleSchemaPtr = std::shared_ptr<TTupleSchema>;
-using TVariant8SchemaPtr = std::shared_ptr<TVariant8Schema>;
-using TVariant16SchemaPtr = std::shared_ptr<TVariant16Schema>;
-using TRepeatedVariant8SchemaPtr = std::shared_ptr<TRepeatedVariant8Schema>;
-using TRepeatedVariant16SchemaPtr = std::shared_ptr<TRepeatedVariant16Schema>;
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-
-class TSkiffSchema
-    : public std::enable_shared_from_this<TSkiffSchema>
-{
-public:
-    virtual ~TSkiffSchema() = default;
-
-    EWireType GetWireType() const;
-    std::shared_ptr<TSkiffSchema> SetName(TString name);
-    const TString& GetName() const;
-
-    virtual const TSkiffSchemaList& GetChildren() const;
-
-protected:
-    explicit TSkiffSchema(EWireType type);
-
-private:
-    const EWireType Type_;
-    TString Name_;
-};
-
-bool operator==(const TSkiffSchema& lhs, const TSkiffSchema& rhs);
-bool operator!=(const TSkiffSchema& lhs, const TSkiffSchema& rhs);
-
-////////////////////////////////////////////////////////////////////////////////
-
-class TSimpleTypeSchema
-    : public TSkiffSchema
-{
-public:
-    explicit TSimpleTypeSchema(EWireType type);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-template <EWireType WireType>
-class TComplexSchema
-    : public TSkiffSchema
-{
-public:
-    explicit TComplexSchema(TSkiffSchemaList elements);
-
-    virtual const TSkiffSchemaList& GetChildren() const override;
-
-private:
-    const TSkiffSchemaList Elements_;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-bool IsSimpleType(EWireType type);
-TString GetShortDebugString(const std::shared_ptr<const TSkiffSchema>& schema);
-void PrintShortDebugString(const std::shared_ptr<const TSkiffSchema>& schema, IOutputStream* out);
-
-std::shared_ptr<TSimpleTypeSchema> CreateSimpleTypeSchema(EWireType type);
-std::shared_ptr<TTupleSchema> CreateTupleSchema(TSkiffSchemaList children);
-std::shared_ptr<TVariant8Schema> CreateVariant8Schema(TSkiffSchemaList children);
-std::shared_ptr<TVariant16Schema> CreateVariant16Schema(TSkiffSchemaList children);
-std::shared_ptr<TRepeatedVariant8Schema> CreateRepeatedVariant8Schema(TSkiffSchemaList children);
-std::shared_ptr<TRepeatedVariant16Schema> CreateRepeatedVariant16Schema(TSkiffSchemaList children);
-
-////////////////////////////////////////////////////////////////////////////////
-
-struct TSkiffSchemaPtrHasher
-{
-    size_t operator()(const std::shared_ptr<TSkiffSchema>& schema) const;
-};
-
-struct TSkiffSchemaPtrEqual
-{
-    size_t operator()(
-        const std::shared_ptr<TSkiffSchema>& lhs,
-        const std::shared_ptr<TSkiffSchema>& rhs) const;
-};
-
-} // namespace NSkiff
-
-////////////////////////////////////////////////////////////////////////////////
-
-template <>
-struct THash<NSkiff::TSkiffSchema>
-{
-    size_t operator()(const NSkiff::TSkiffSchema& schema) const;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-#define SKIFF_SCHEMA_H
-#include "skiff_schema-inl.h"
-#undef SKIFF_SCHEMA_H