fix tests canonization and case withno CS object (#3277)

Author: ivanmorozov333

ydb/core/kqp/ut/olap/kqp_olap_ut.cpp

@@ -1675,7 +1675,7 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
                     ["some prefix xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"];
                     ["5"];
                     1000005u;
-                    ["uid_1000005"]
+                    "uid_1000005"
                     ]])");
             }
         };
@@ -6079,7 +6079,7 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
         UNIT_ASSERT_C(result.IsSuccess(), result.GetIssues().ToString());
         TString output = FormatResultSetYson(result.GetResultSet(0));
         Cout << output << Endl;
-        CompareYson(output, R"([[1000001u;["1"];["uid_1000001"];[1]]])");
+        CompareYson(output, R"([[1000001u;["1"];"uid_1000001";[1]]])");
     }
 
     Y_UNIT_TEST(OlapRead_GenericQuery) {

ydb/core/tx/columnshard/engines/changes/with_appended.cpp

@@ -17,7 +17,7 @@ void TChangesWithAppend::DoWriteIndexOnExecute(NColumnShard::TColumnShard* self,
     }
     const auto predRemoveDroppedTable = [self](const TPortionInfoWithBlobs& item) {
         auto& portionInfo = item.GetPortionInfo();
-        if (!self->TablesManager.HasTable(portionInfo.GetPathId()) || self->TablesManager.GetTable(portionInfo.GetPathId()).IsDropped()) {
+        if (!!self && (!self->TablesManager.HasTable(portionInfo.GetPathId()) || self->TablesManager.GetTable(portionInfo.GetPathId()).IsDropped())) {
             AFL_WARN(NKikimrServices::TX_COLUMNSHARD)("event", "skip_inserted_data")("reason", "table_removed")("path_id", portionInfo.GetPathId());
             return true;
         } else {