YT-19210: expose YQL shared library for YT.

After this, a new target libyqlplugin.so appears. in open-source cmake build.
Diff in open-source YDB repo looks like the following: https://paste.yandex-team.ru/f302bdb4-7ef2-4362-91c7-6ca45f329264

1 files changed, 146 insertions, 0 deletions

diff --git a/yt/cpp/mapreduce/client/structured_table_formats.h b/yt/cpp/mapreduce/client/structured_table_formats.h
new file mode 100644
index 0000000000..27d980c587
--- /dev/null
+++ b/yt/cpp/mapreduce/client/structured_table_formats.h
@@ -0,0 +1,146 @@
+#pragma once
+
+#include <yt/cpp/mapreduce/interface/fwd.h>
+
+#include <yt/cpp/mapreduce/interface/config.h>
+#include <yt/cpp/mapreduce/interface/operation.h>
+
+#include <yt/cpp/mapreduce/common/fwd.h>
+
+#include <yt/cpp/mapreduce/http/context.h>
+#include <yt/cpp/mapreduce/http/requests.h>
+
+#include <utility>
+
+namespace NYT {
+
+////////////////////////////////////////////////////////////////////////////////
+
+TMaybe<TNode> GetCommonTableFormat(
+    const TVector<TMaybe<TNode>>& formats);
+
+TMaybe<TNode> GetTableFormat(
+    const IClientRetryPolicyPtr& clientRetryPolicy,
+    const TClientContext& context,
+    const TTransactionId& transactionId,
+    const TRichYPath& path);
+
+TMaybe<TNode> GetTableFormats(
+    const IClientRetryPolicyPtr& clientRetryPolicy,
+    const TClientContext& context,
+    const TTransactionId& transactionId,
+    const TVector<TRichYPath>& paths);
+
+////////////////////////////////////////////////////////////////////////////////
+
+namespace NDetail {
+
+////////////////////////////////////////////////////////////////////////////////
+
+enum class EIODirection
+{
+    Input,
+    Output,
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+struct TSmallJobFile
+{
+    TString FileName;
+    TString Data;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+// Table that is used while preparing operation formats. Can be real table or intermediate
+struct TStructuredJobTable
+{
+    TTableStructure Description;
+    // Might be null for intermediate tables in MapReduce operation
+    TMaybe<TRichYPath> RichYPath;
+
+    static TStructuredJobTable Intermediate(TTableStructure description)
+    {
+        return TStructuredJobTable{std::move(description), Nothing()};
+    }
+};
+using TStructuredJobTableList = TVector<TStructuredJobTable>;
+TString JobTablePathString(const TStructuredJobTable& jobTable);
+TStructuredJobTableList ToStructuredJobTableList(const TVector<TStructuredTablePath>& tableList);
+
+TStructuredJobTableList CanonizeStructuredTableList(const TClientContext& context, const TVector<TStructuredTablePath>& tableList);
+TVector<TRichYPath> GetPathList(
+    const TStructuredJobTableList& tableList,
+    const TMaybe<TVector<TTableSchema>>& schemaInferenceResult,
+    bool inferSchema);
+
+////////////////////////////////////////////////////////////////////////////////
+
+class TFormatBuilder
+{
+private:
+    struct TFormatSwitcher;
+
+public:
+    TFormatBuilder(
+        IClientRetryPolicyPtr clientRetryPolicy,
+        TClientContext context,
+        TTransactionId transactionId,
+        TOperationOptions operationOptions);
+
+    std::pair<TFormat, TMaybe<TSmallJobFile>> CreateFormat(
+        const IStructuredJob& job,
+        const EIODirection& direction,
+        const TStructuredJobTableList& structuredTableList,
+        const TMaybe<TFormatHints>& formatHints,
+        ENodeReaderFormat nodeReaderFormat,
+        bool allowFormatFromTableAttribute);
+
+    std::pair<TFormat, TMaybe<TSmallJobFile>> CreateVoidFormat(
+        const IStructuredJob& job,
+        const EIODirection& direction,
+        const TStructuredJobTableList& structuredTableList,
+        const TMaybe<TFormatHints>& formatHints,
+        ENodeReaderFormat nodeReaderFormat,
+        bool allowFormatFromTableAttribute);
+
+    std::pair<TFormat, TMaybe<TSmallJobFile>> CreateYamrFormat(
+        const IStructuredJob& job,
+        const EIODirection& direction,
+        const TStructuredJobTableList& structuredTableList,
+        const TMaybe<TFormatHints>& formatHints,
+        ENodeReaderFormat nodeReaderFormat,
+        bool allowFormatFromTableAttribute);
+
+    std::pair<TFormat, TMaybe<TSmallJobFile>> CreateNodeFormat(
+        const IStructuredJob& job,
+        const EIODirection& direction,
+        const TStructuredJobTableList& structuredTableList,
+        const TMaybe<TFormatHints>& formatHints,
+        ENodeReaderFormat nodeReaderFormat,
+        bool allowFormatFromTableAttribute);
+
+    std::pair<TFormat, TMaybe<TSmallJobFile>> CreateProtobufFormat(
+        const IStructuredJob& job,
+        const EIODirection& direction,
+        const TStructuredJobTableList& structuredTableList,
+        const TMaybe<TFormatHints>& formatHints,
+        ENodeReaderFormat nodeReaderFormat,
+        bool allowFormatFromTableAttribute);
+
+private:
+    const IClientRetryPolicyPtr ClientRetryPolicy_;
+    const TClientContext Context_;
+    const TTransactionId TransactionId_;
+    const TOperationOptions OperationOptions_;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+TMaybe<TTableSchema> GetTableSchema(const TTableStructure& tableStructure);
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NDetail
+} // namespace NYT