Allow describing indexImplTable via public api

2 files changed, 15 insertions, 3 deletions

diff --git a/ydb/core/grpc_services/rpc_describe_table.cpp b/ydb/core/grpc_services/rpc_describe_table.cpp
index cb499db8ed..9517aac63e 100644
--- a/ydb/core/grpc_services/rpc_describe_table.cpp
+++ b/ydb/core/grpc_services/rpc_describe_table.cpp
@@ -131,12 +131,13 @@ private:
 
     void SendProposeRequest(const TActorContext &ctx) {
         const auto req = GetProtoRequest();
+        const TString path = req->path();
 
         std::unique_ptr<TEvTxUserProxy::TEvNavigate> navigateRequest(new TEvTxUserProxy::TEvNavigate());
         SetAuthToken(navigateRequest, *Request_);
         SetDatabase(navigateRequest.get(), *Request_);
         NKikimrSchemeOp::TDescribePath* record = navigateRequest->Record.MutableDescribePath();
-        record->SetPath(req->path());
+        record->SetPath(path);
         if (req->include_shard_key_bounds()) {
             record->MutableOptions()->SetReturnBoundaries(true);
         }
@@ -145,7 +146,7 @@ private:
             record->MutableOptions()->SetReturnPartitionStats(true);
         }
 
-        if (AppData(ctx)->AllowPrivateTableDescribeForTest) {
+        if (AppData(ctx)->AllowPrivateTableDescribeForTest || path.EndsWith("/indexImplTable")) {
             record->MutableOptions()->SetShowPrivateTable(true);
         }
 
diff --git a/ydb/core/kqp/ut/indexes/kqp_indexes_ut.cpp b/ydb/core/kqp/ut/indexes/kqp_indexes_ut.cpp
index 82c0ff8e13..0b5f577a7d 100644
--- a/ydb/core/kqp/ut/indexes/kqp_indexes_ut.cpp
+++ b/ydb/core/kqp/ut/indexes/kqp_indexes_ut.cpp
@@ -986,7 +986,18 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
 
         {
             auto result = session.DescribeTable("/Root/TestTable/Index/indexImplTable").ExtractValueSync();
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), NYdb::EStatus::SUCCESS);
+
+            const THashMap<std::string_view, std::string_view> columnTypes = {
+                {"Key", "String?"},
+                {"Index2", "String?"}
+            };
+
+            const auto& columns = result.GetTableDescription().GetTableColumns();
+            UNIT_ASSERT_VALUES_EQUAL(columns.size(), columnTypes.size());
+            for (const auto& column : columns) {
+                UNIT_ASSERT_VALUES_EQUAL_C(column.Type.ToString(), columnTypes.at(column.Name), column.Name);
+            }
         }
 
         {