exclude snapshots from templates

Author: dobrac

packages/db/queries/get_template_by_id.sql

@@ -1,7 +1,12 @@
 -- name: GetTemplateByID :one
 SELECT t.*
 FROM "public"."envs" t
-WHERE t.id = $1;
+WHERE t.id = $1
+  AND NOT EXISTS (
+    SELECT 1
+    FROM public.snapshots AS s
+    WHERE s.env_id = t.id
+  );
 
 -- name: GetTemplateByIDWithAliases :one
 SELECT e.*, al.aliases
@@ -11,4 +16,9 @@ CROSS JOIN LATERAL (
     FROM public.env_aliases
     WHERE env_id = e.id
 ) AS al
-WHERE e.id = $1;
+WHERE e.id = $1
+  AND NOT EXISTS (
+    SELECT 1
+    FROM public.snapshots AS s
+    WHERE s.env_id = e.id
+  );