@@ -142,7 +142,7 @@ instance (Table context a, Reifiable context, context ~ context') =>
142142
143143 toColumns MaybeTable {tag, just} = HMaybeTable
144144 { htag = hlabel $ HIdentity tag
145− , hjust = hlabel $ toColumns just
145+ , hjust = hlabel $ guard tag isJust isNonNull $ toColumns just
146146 }
147147
148148 fromColumns HMaybeTable {htag, hjust} = MaybeTable