From a777721ce7d3144a39cbe0732835f85677937946 Mon Sep 17 00:00:00 2001
From: Hougang Liu <liuhgXA@gmail.com>
Date: Thu, 24 Jan 2019 09:16:26 +0800
Subject: [PATCH] only try to delete study info in db when in need (#342)

---
 pkg/controller/studyjob/katib_api_util.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/controller/studyjob/katib_api_util.go b/pkg/controller/studyjob/katib_api_util.go
index 87e3fc14947..bf7aedd2d31 100644
--- a/pkg/controller/studyjob/katib_api_util.go
+++ b/pkg/controller/studyjob/katib_api_util.go
@@ -138,6 +138,10 @@ func deleteStudy(instance *katibv1alpha1.StudyJob) error {
 	c := katibapi.NewManagerClient(conn)
 	ctx := context.Background()
 	studyID := instance.Status.StudyID
+	if studyID == "" {
+	// in case that information for a studyjob is not created in DB
+		return nil
+	}
 	deleteStudyreq := &katibapi.DeleteStudyRequest{
 		StudyId: studyID,
 	}