avoid verify in empty span on resolve errors (#14016)

Author: adameat

ydb/core/kqp/executer_actor/kqp_executer_impl.h

@@ -208,12 +208,16 @@ class TKqpExecuterBase : public TActor<TDerived> {
         KqpTableResolverId = {};
 
         if (reply.Status != Ydb::StatusIds::SUCCESS) {
-            ExecuterStateSpan.EndError(TStringBuilder() << Ydb::StatusIds_StatusCode_Name(reply.Status));
+            if (ExecuterStateSpan) {
+                ExecuterStateSpan.EndError(TStringBuilder() << Ydb::StatusIds_StatusCode_Name(reply.Status));
+            }
             ReplyErrorAndDie(reply.Status, reply.Issues);
             return false;
         }
 
-        ExecuterStateSpan.EndOk();
+        if (ExecuterStateSpan) {
+            ExecuterStateSpan.EndOk();
+        }
 
         return true;
     }
@@ -227,14 +231,18 @@ class TKqpExecuterBase : public TActor<TDerived> {
         // TODO: count resolve time in CpuTime
 
         if (reply.Status != Ydb::StatusIds::SUCCESS) {
-            ExecuterStateSpan.EndError(Ydb::StatusIds_StatusCode_Name(reply.Status));
+            if (ExecuterStateSpan) {
+                ExecuterStateSpan.EndError(Ydb::StatusIds_StatusCode_Name(reply.Status));
+            }
 
             LOG_W("Shards nodes resolve failed, status: " << Ydb::StatusIds_StatusCode_Name(reply.Status)
                 << ", issues: " << reply.Issues.ToString());
             ReplyErrorAndDie(reply.Status, reply.Issues);
             return false;
         }
-        ExecuterStateSpan.EndOk();
+        if (ExecuterStateSpan) {
+            ExecuterStateSpan.EndOk();
+        }
 
         LOG_D("Shards nodes resolved, success: " << reply.ShardNodes.size() << ", failed: " << reply.Unresolved);
 
@@ -970,7 +978,7 @@ class TKqpExecuterBase : public TActor<TDerived> {
                 settings.MutableMvccSnapshot()->SetTxId(GetSnapshot().TxId);
             }
             if (!settings.GetInconsistentTx() && TasksGraph.GetMeta().LockMode) {
-                settings.SetLockMode(*TasksGraph.GetMeta().LockMode);   
+                settings.SetLockMode(*TasksGraph.GetMeta().LockMode);
             }
 
             output.SinkSettings.ConstructInPlace();
@@ -1858,8 +1866,12 @@ class TKqpExecuterBase : public TActor<TDerived> {
 
         LWTRACK(KqpBaseExecuterReplyErrorAndDie, ResponseEv->Orbit, TxId);
 
-        ExecuterSpan.EndError(response.DebugString());
-        ExecuterStateSpan.EndError(response.DebugString());
+        if (ExecuterSpan) {
+            ExecuterSpan.EndError(response.DebugString());
+        }
+        if (ExecuterStateSpan) {
+            ExecuterStateSpan.EndError(response.DebugString());
+        }
 
         this->Shutdown();
     }