only add not null substrat

NINAnor · Oct 24, 2023 · 6cdb107 · 6cdb107
1 parent 5266b20
commit 6cdb107
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/db/migrations/20231020130627_import_procedure.sql b/db/migrations/20231020130627_import_procedure.sql
@@ -153,8 +153,13 @@ declare
 begin
     select id into stasjon_id from stasjoner as st where st.vassdrag = data->>'Vassdragsnummer' and st.loknr = data->>'Loknr';
 
-    substrater := substrater || lower(data->>'Substrat_1')::substrat;
-    substrater := substrater || lower(data->>'Substrat_2')::substrat;
+    if data->>'Substrat_1' then
+        substrater := substrater || lower(data->>'Substrat_1')::substrat;
+    end if;
+
+    if data->>'Substrat_2' then
+        substrater := substrater || lower(data->>'Substrat_2')::substrat;
+    end if;
 
     insert into kantvegetasjon values (lower(data->>'Kantvegetasjon')) on conflict do nothing;