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

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

1 files changed, 0 insertions, 91 deletions

diff --git a/yt/cpp/mapreduce/io/node_table_reader.h b/yt/cpp/mapreduce/io/node_table_reader.h
deleted file mode 100644
index 4fe839eeb6b..00000000000
--- a/yt/cpp/mapreduce/io/node_table_reader.h
+++ /dev/null
@@ -1,91 +0,0 @@
-#pragma once
-
-#include "counting_raw_reader.h"
-
-#include <yt/cpp/mapreduce/interface/io.h>
-
-#include <library/cpp/yson/public.h>
-
-#include <util/stream/input.h>
-#include <util/generic/buffer.h>
-#include <util/system/event.h>
-#include <util/system/thread.h>
-
-#include <atomic>
-
-namespace NYT {
-
-class TRawTableReader;
-class TRowBuilder;
-
-////////////////////////////////////////////////////////////////////////////////
-
-struct TRowElement
-{
-    TNode Node;
-    size_t Size = 0;
-
-    void Reset()
-    {
-        Node = TNode();
-        Size = 0;
-    }
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-class TNodeTableReader
-    : public INodeReaderImpl
-{
-public:
-    explicit TNodeTableReader(::TIntrusivePtr<TRawTableReader> input);
-    ~TNodeTableReader() override;
-
-    const TNode& GetRow() const override;
-    void MoveRow(TNode* result) override;
-
-    bool IsValid() const override;
-    void Next() override;
-    ui32 GetTableIndex() const override;
-    ui32 GetRangeIndex() const override;
-    ui64 GetRowIndex() const override;
-    i64 GetTabletIndex() const override;
-    void NextKey() override;
-    TMaybe<size_t> GetReadByteCount() const override;
-    bool IsEndOfStream() const override;
-    bool IsRawReaderExhausted() const override;
-
-private:
-    void NextImpl();
-    void OnStreamError(std::exception_ptr exception, TString error);
-    void CheckValidity() const;
-    void PrepareParsing();
-    void ParseListFragmentItem();
-    void ParseFirstListFragmentItem();
-
-private:
-    NDetail::TCountingRawTableReader Input_;
-
-    bool Valid_ = true;
-    bool Finished_ = false;
-    ui32 TableIndex_ = 0;
-    TMaybe<ui64> RowIndex_;
-    TMaybe<ui32> RangeIndex_;
-    TMaybe<i64> TabletIndex_;
-    bool IsEndOfStream_ = false;
-    bool AtStart_ = true;
-
-    TMaybe<TRowElement> Row_;
-    TMaybe<TRowElement> NextRow_;
-
-    THolder<TRowBuilder> Builder_;
-    THolder<::NYson::TYsonListParser> Parser_;
-
-    std::exception_ptr Exception_;
-    bool NeedParseFirst_ = true;
-    bool IsLast_ = false;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-} // namespace NYT