# HG changeset patch
# User Tom Gottfried <tom@intevation.de>
# Date 1585308048 -3600
# Node ID 7bd9c5161836389c1bda5d48bc38e205d53f2ebc
# Parent  2dcfab23dc86d1c469a4dee7371ca430e3fd3449
Handle deletion of non-existent sounding results gracefully

diff -r 2dcfab23dc86 -r 7bd9c5161836 pkg/imports/dsr.go
--- a/pkg/imports/dsr.go	Fri Mar 27 10:33:39 2020 +0100
+++ b/pkg/imports/dsr.go	Fri Mar 27 12:20:48 2020 +0100
@@ -112,8 +112,13 @@
 		dsr.BottleneckID, dsr.Date.Time)
 
 	var id int64
-	if err := tx.QueryRowContext(ctx, dsrFindSQL,
-		dsr.BottleneckID, dsr.Date.Time).Scan(&id); err != nil {
+	switch err := tx.QueryRowContext(ctx, dsrFindSQL,
+		dsr.BottleneckID, dsr.Date.Time).Scan(&id); err {
+	case sql.ErrNoRows:
+		return nil, UnchangedError("Sounding result does not exist")
+	case nil:
+		// Continue
+	default:
 		return nil, err
 	}