Add nil guard to PG JSON example

2020-09-15 22:46:35 -07:00 · 2020-09-15 22:46:35 -07:00 · 84fe3ea1af
commit 84fe3ea1af
parent c736a63382
1 changed files with 2 additions and 1 deletions
--- a/doc/tips-and-tricks.md
+++ b/doc/tips-and-tricks.md
@ -241,7 +241,8 @@ containing JSON:
  (let [type  (.getType v)
        value (.getValue v)]
    (if (#{"jsonb" "json"} type)
-      (with-meta (<-json value) {:pgtype type})
+      (when value
+        (with-meta (<-json value) {:pgtype type}))
      value)))
 ```