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

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

1 files changed, 0 insertions, 268 deletions

diff --git a/yt/cpp/mapreduce/interface/job_statistics.h b/yt/cpp/mapreduce/interface/job_statistics.h
deleted file mode 100644
index 8af751604f..0000000000
--- a/yt/cpp/mapreduce/interface/job_statistics.h
+++ /dev/null
@@ -1,268 +0,0 @@
-#pragma once
-
-///
-/// @file yt/cpp/mapreduce/interface/job_statistics.h
-///
-/// Header containing classes and utility functions to work with
-/// [job statistics](https://docs.yandex-team.ru/yt/problems/jobstatistics).
-
-#include "fwd.h"
-
-#include <library/cpp/yson/node/node.h>
-
-#include <util/system/defaults.h>
-#include <util/generic/maybe.h>
-#include <util/generic/ptr.h>
-
-namespace NYT {
-
-////////////////////////////////////////////////////////////////////
-
-///
-/// @brief Convert i64 representation of statistics to other type.
-///
-/// Library defines this template for types TDuration and i64.
-/// Users may define it for their types.
-///
-/// @see @ref NYT::TJobStatistics::GetStatisticsAs method.
-template <typename T>
-T ConvertJobStatisticsEntry(i64 value);
-
-////////////////////////////////////////////////////////////////////
-
-/// Class representing a collection of job statistics.
-class TJobStatistics
-{
-public:
-    ///
-    /// Construct empty statistics.
-    TJobStatistics();
-
-    ///
-    /// Construct statistics from statistics node.
-    TJobStatistics(const NYT::TNode& statistics);
-
-    TJobStatistics(const TJobStatistics& jobStatistics);
-    TJobStatistics(TJobStatistics&& jobStatistics);
-
-    TJobStatistics& operator=(const TJobStatistics& jobStatistics);
-    TJobStatistics& operator=(TJobStatistics&& jobStatistics);
-
-    ~TJobStatistics();
-
-    ///
-    /// @brief Filter statistics by task name.
-    ///
-    /// @param taskNames What task names to include (empty means all).
-    TJobStatistics TaskName(TVector<TTaskName> taskNames) const;
-
-    ///
-    /// @brief Filter statistics by job state.
-    ///
-    /// @param filter What job states to include (empty means all).
-    ///
-    /// @note Default statistics include only (successfully) completed jobs.
-    TJobStatistics JobState(TVector<EJobState> filter) const;
-
-    ///
-    /// @brief Filter statistics by job type.
-    ///
-    /// @param filter What job types to include (empty means all).
-    ///
-    /// @deprecated Use @ref TJobStatistics::TaskName instead.
-    ///
-    /// @see https://yt.yandex-team.ru/docs/description/mr/jobs#obshaya-shema
-    TJobStatistics JobType(TVector<EJobType> filter) const;
-
-    ///
-    /// @brief Check that given statistics exist.
-    ///
-    /// @param name Slash separated statistics name, e.g. "time/total" (like it appears in web interface).
-    bool HasStatistics(TStringBuf name) const;
-
-    ///
-    /// @brief Get statistics by name.
-    ///
-    /// @param name Slash separated statistics name, e.g. "time/total" (like it appears in web interface).
-    ///
-    /// @note If statistics is missing an exception is thrown. If because of filters
-    /// no fields remain the returned value is empty (all fields are `Nothing`).
-    ///
-    /// @note We don't use `TMaybe<TJobStatisticsEntry>` here;
-    /// instead, @ref NYT::TJobStatisticsEntry methods return `TMaybe<i64>`,
-    /// so user easier use `.GetOrElse`:
-    /// ```
-    ///     jobStatistics.GetStatistics("some/statistics/name").Max().GetOrElse(0);
-    /// ```
-    TJobStatisticsEntry<i64> GetStatistics(TStringBuf name) const;
-
-    ///
-    /// @brief Get statistics by name.
-    ///
-    /// @param name Slash separated statistics name, e.g. "time/total" (like it appears in web interface).
-    ///
-    /// @note In order to use `GetStatisticsAs` method, @ref NYT::ConvertJobStatisticsEntry function must be defined
-    /// (the library defines it for `i64` and `TDuration`, user may define it for other types).
-    template <typename T>
-    TJobStatisticsEntry<T> GetStatisticsAs(TStringBuf name) const;
-
-    ///
-    /// Get (slash separated) names of statistics.
-    TVector<TString> GetStatisticsNames() const;
-
-    ///
-    /// @brief Check if given custom statistics exists.
-    ///
-    /// @param name Slash separated custom statistics name.
-    bool HasCustomStatistics(TStringBuf name) const;
-
-    ///
-    /// @brief Get custom statistics (those the user can write in job with @ref NYT::WriteCustomStatistics).
-    ///
-    /// @param name Slash separated custom statistics name.
-    TJobStatisticsEntry<i64> GetCustomStatistics(TStringBuf name) const;
-
-    ///
-    /// @brief Get custom statistics (those the user can write in job with @ref NYT::WriteCustomStatistics).
-    ///
-    /// @param name Slash separated custom statistics name.
-    template <typename T>
-    TJobStatisticsEntry<T> GetCustomStatisticsAs(TStringBuf name) const;
-
-    ///
-    /// Get names of all custom statistics.
-    TVector<TString> GetCustomStatisticsNames() const;
-
-private:
-    class TData;
-    struct TFilter;
-
-    struct TDataEntry {
-        i64 Max;
-        i64 Min;
-        i64 Sum;
-        i64 Count;
-    };
-
-    static const TString CustomStatisticsNamePrefix_;
-
-private:
-    TJobStatistics(::TIntrusivePtr<TData> data, ::TIntrusivePtr<TFilter> filter);
-
-    TMaybe<TDataEntry> GetStatisticsImpl(TStringBuf name) const;
-
-private:
-    ::TIntrusivePtr<TData> Data_;
-    ::TIntrusivePtr<TFilter> Filter_;
-
-private:
-    template<typename T>
-    friend class TJobStatisticsEntry;
-};
-
-////////////////////////////////////////////////////////////////////
-
-/// Class representing single statistic.
-template <typename T>
-class TJobStatisticsEntry
-{
-public:
-    TJobStatisticsEntry(TMaybe<TJobStatistics::TDataEntry> data)
-        : Data_(std::move(data))
-    { }
-
-    /// Sum of the statistic over all jobs.
-    TMaybe<T> Sum() const
-    {
-        if (Data_) {
-            return ConvertJobStatisticsEntry<T>(Data_->Sum);
-        }
-        return Nothing();
-    }
-
-    /// @brief Average of the statistic over all jobs.
-    ///
-    /// @note Only jobs that emitted statistics are taken into account.
-    TMaybe<T> Avg() const
-    {
-        if (Data_ && Data_->Count) {
-            return ConvertJobStatisticsEntry<T>(Data_->Sum / Data_->Count);
-        }
-        return Nothing();
-    }
-
-    /// @brief Number of jobs that emitted this statistic.
-    TMaybe<T> Count() const
-    {
-        if (Data_) {
-            return ConvertJobStatisticsEntry<T>(Data_->Count);
-        }
-        return Nothing();
-    }
-
-    /// @brief Maximum value of the statistic over all jobs.
-    TMaybe<T> Max() const
-    {
-        if (Data_) {
-            return ConvertJobStatisticsEntry<T>(Data_->Max);
-        }
-        return Nothing();
-    }
-
-    /// @brief Minimum value of the statistic over all jobs.
-    TMaybe<T> Min() const
-    {
-        if (Data_) {
-            return ConvertJobStatisticsEntry<T>(Data_->Min);
-        }
-        return Nothing();
-    }
-
-private:
-    TMaybe<TJobStatistics::TDataEntry> Data_;
-
-private:
-    friend class TJobStatistics;
-};
-
-////////////////////////////////////////////////////////////////////
-
-template <typename T>
-TJobStatisticsEntry<T> TJobStatistics::GetStatisticsAs(TStringBuf name) const
-{
-    return TJobStatisticsEntry<T>(GetStatisticsImpl(name));
-}
-
-template <typename T>
-TJobStatisticsEntry<T> TJobStatistics::GetCustomStatisticsAs(TStringBuf name) const
-{
-    return TJobStatisticsEntry<T>(GetStatisticsImpl(CustomStatisticsNamePrefix_ + name));
-}
-
-////////////////////////////////////////////////////////////////////
-
-///
-/// @brief Write [custom statistics](https://yt.yandex-team.ru/docs/description/mr/jobs#user_stats).
-///
-/// @param path Slash-separated path (length must not exceed 512 bytes).
-/// @param value Value of the statistic.
-///
-/// @note The function must be called in job.
-/// Total number of statistics (with different paths) must not exceed 128.
-void WriteCustomStatistics(TStringBuf path, i64 value);
-
-///
-/// @brief Write several [custom statistics](https://yt.yandex-team.ru/docs/description/mr/jobs#user_stats) at once.
-///
-/// @param statistics A tree of map nodes with leaves of type `i64`.
-///
-/// @note The call is equivalent to calling @ref NYT::WriteCustomStatistics(TStringBuf, i64) for every path in the given map.
-void WriteCustomStatistics(const TNode& statistics);
-
-///
-/// @brief Flush [custom statistics stream](https://yt.yandex-team.ru/docs/description/mr/jobs#user_stats)
-///
-void FlushCustomStatisticsStream();
-////////////////////////////////////////////////////////////////////
-
-} // namespace NYT