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

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

1 files changed, 0 insertions, 126 deletions

diff --git a/yt/cpp/mapreduce/common/helpers.cpp b/yt/cpp/mapreduce/common/helpers.cpp
deleted file mode 100644
index 95924d812c9..00000000000
--- a/yt/cpp/mapreduce/common/helpers.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
-#include "helpers.h"
-
-#include <yt/cpp/mapreduce/interface/config.h>
-#include <yt/cpp/mapreduce/interface/serialize.h>
-#include <yt/cpp/mapreduce/interface/fluent.h>
-
-#include <library/cpp/yson/node/node_builder.h>
-#include <library/cpp/yson/node/node_visitor.h>
-
-#include <library/cpp/yson/parser.h>
-#include <library/cpp/yson/writer.h>
-
-#include <library/cpp/json/json_reader.h>
-#include <library/cpp/json/json_value.h>
-
-#include <util/stream/input.h>
-#include <util/stream/output.h>
-#include <util/stream/str.h>
-
-namespace NYT {
-
-////////////////////////////////////////////////////////////////////////////////
-
-TString NodeListToYsonString(const TNode::TListType& nodes)
-{
-    TStringStream stream;
-    ::NYson::TYsonWriter writer(&stream, NYson::EYsonFormat::Binary, ::NYson::EYsonType::ListFragment);
-    auto list = BuildYsonListFluently(&writer);
-    for (const auto& node : nodes) {
-        list.Item().Value(node);
-    }
-    return stream.Str();
-}
-
-TNode PathToNode(const TRichYPath& path)
-{
-    TNode result;
-    TNodeBuilder builder(&result);
-    Serialize(path, &builder);
-    return result;
-}
-
-TNode PathToParamNode(const TRichYPath& path)
-{
-    return TNode()("path", PathToNode(path));
-}
-
-TString AttributesToYsonString(const TNode& node)
-{
-    return BuildYsonStringFluently().BeginMap()
-        .Item("attributes").Value(node)
-    .EndMap();
-}
-
-TString AttributeFilterToYsonString(const TAttributeFilter& filter)
-{
-    return BuildYsonStringFluently().BeginMap()
-        .Item("attributes").Value(filter)
-    .EndMap();
-}
-
-TNode NodeFromTableSchema(const TTableSchema& schema)
-{
-    TNode result;
-    TNodeBuilder builder(&result);
-    Serialize(schema, &builder);
-    return result;
-}
-
-void MergeNodes(TNode& dst, const TNode& src)
-{
-    if (dst.IsMap() && src.IsMap()) {
-        auto& dstMap = dst.AsMap();
-        const auto& srcMap = src.AsMap();
-        for (const auto& srcItem : srcMap) {
-            const auto& key = srcItem.first;
-            auto dstItem = dstMap.find(key);
-            if (dstItem != dstMap.end()) {
-                MergeNodes(dstItem->second, srcItem.second);
-            } else {
-                dstMap[key] = srcItem.second;
-            }
-        }
-    } else {
-        if (dst.GetType() == src.GetType() && src.HasAttributes()) {
-            auto attributes = dst.GetAttributes();
-            MergeNodes(attributes, src.GetAttributes());
-            dst = src;
-            dst.Attributes() = attributes;
-        } else {
-            dst = src;
-        }
-    }
-}
-
-TYPath AddPathPrefix(const TYPath& path, const TString& pathPrefix)
-{
-    if (path.StartsWith("//") || path.StartsWith("#")) {
-        return path;
-    }
-    return pathPrefix + path;
-}
-
-TString GetWriteTableCommand(const TString& apiVersion)
-{
-    return apiVersion == "v2" ? "write" : "write_table";
-}
-
-TString GetReadTableCommand(const TString& apiVersion)
-{
-    return apiVersion == "v2" ? "read" : "read_table";
-}
-
-TString GetWriteFileCommand(const TString& apiVersion)
-{
-    return apiVersion == "v2" ? "upload" : "write_file";
-}
-
-TString GetReadFileCommand(const TString& apiVersion)
-{
-    return apiVersion == "v2" ? "download" : "read_file";
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-} // namespace NYT