Handle Scheme error

Author: vitalyisaev2

ydb/library/yql/providers/generic/connector/libcpp/error.cpp

@@ -37,7 +37,11 @@ namespace NYql::NConnector {
                 return NDqProto::StatusIds::StatusCode::StatusIds_StatusCode_UNSUPPORTED;
             case ::Ydb::StatusIds::StatusCode::StatusIds_StatusCode_NOT_FOUND:
                 return NDqProto::StatusIds::StatusCode::StatusIds_StatusCode_BAD_REQUEST;
+            case ::Ydb::StatusIds::StatusCode::StatusIds_StatusCode_SCHEME_ERROR:
+                return NDqProto::StatusIds::StatusCode::StatusIds_StatusCode_BAD_REQUEST;
             default:
+                // FIXME: remove me after debug
+                Cout << "CRAB: " << ::Ydb::StatusIds::StatusCode_Name(error.status()) << Endl;
                 ythrow yexception() << "Unexpected YDB status code: " << ::Ydb::StatusIds::StatusCode_Name(error.status());
         }
     }

ydb/library/yql/providers/generic/provider/yql_generic_dq_integration.cpp

@@ -269,12 +269,14 @@ namespace NYql {
                 const auto& clusterConfig = State_->Configuration->ClusterNamesToClusterConfigs[clusterName];
                 const auto& endpoint = clusterConfig.endpoint();
 
+                /*
                 // for backward compability full path can be used (cluster_name.`db_name.table`)
                 // TODO: simplify during https://st.yandex-team.ru/YQ-2494
                 TStringBuf db, dbTable;
                 if (!TStringBuf(table).TrySplit('.', db, dbTable)) {
                     dbTable = table;
                 }
+                */
 
                 YQL_CLOG(INFO, ProviderGeneric)
                     << "Filling lookup source settings"
@@ -288,7 +290,7 @@ namespace NYql {
                 }
 
                 Generic::TLookupSource source;
-                source.set_table(TString(dbTable));
+                source.set_table(table);
                 *source.mutable_data_source_instance() = tableMeta.value()->DataSourceInstance;
 
                 // Managed YDB supports access via IAM token.

ydb/library/yql/providers/generic/provider/yql_generic_load_meta.cpp

@@ -378,6 +378,7 @@ namespace NYql {
 
         void FillTablePath(NConnector::NApi::TDescribeTableRequest& request, const TGenericClusterConfig& clusterConfig,
                            const TString& tablePath) {
+            /*
             // for backward compability full path can be used (cluster_name.`db_name.table`)
             // TODO: simplify during https://st.yandex-team.ru/YQ-2494
             const auto dataSourceKind = clusterConfig.GetKind();
@@ -410,6 +411,9 @@ namespace NYql {
 
             request.mutable_data_source_instance()->set_database(TString(dbNameTarget));
             request.set_table(TString(tableName));
+            */
+            request.mutable_data_source_instance()->set_database(clusterConfig.GetDatabaseName());
+            request.set_table(tablePath);
         }
 
     private: