Reply error on request with empty TxControl (SessionActor) KIKIMR-14982

ref:db0c294aa39cef56a1a5b7003f758669d9779af8

1 files changed, 3 insertions, 1 deletions

diff --git a/ydb/core/kqp/kqp_session_actor.cpp b/ydb/core/kqp/kqp_session_actor.cpp
index 9a2c5d0c4e6..e235ca3afe4 100644
--- a/ydb/core/kqp/kqp_session_actor.cpp
+++ b/ydb/core/kqp/kqp_session_actor.cpp
@@ -630,7 +630,9 @@ public:
                     break;
                }
                case Ydb::Table::TransactionControl::TX_SELECTOR_NOT_SET:
-                   YQL_ENSURE(false);
+                    ythrow TRequestFail(requestInfo, Ydb::StatusIds::BAD_REQUEST)
+                        << "wrong TxControl: tx_selector must be set";
+                    break;
             }
         } else {
             QueryState->TxCtx = MakeIntrusive<TKqpTransactionContext>(false);