@@ -343,7 +343,7 @@ getChatsQ lim (.^) = select (
343343 (table #groupChats)
344344 (#groupChats ! #groupChatId .== #chats ! #messageGroupId)) &
345345 where_ (isNull (#groupChats ! #groupChatUsers) .||
346− isNotNull (#groupChats ! #groupChatUsers .-> param @2)) &
346+ (#groupChats ! #groupChatUsers .? param @2)) &
347347 where_ (isNotFalse $ #chats ! #messageId .^ param @3) &
348348 orderBy [#chats ! #messageId & Desc] &
349349 limit lim
@@ -414,7 +414,7 @@ getGroupChatForUserQ :: Query Schema (TuplePG (String, GroupChatId)) (RowPG Grou
414414getGroupChatForUserQ = selectStar $
415415 (from (table #groupChats)) &
416416 where_ (#groupChatId .== param @2) &
417− where_ (isNotNull $ #groupChatUsers .-> param @1)
417+ where_ (#groupChatUsers .? param @1)
418418
419419
420420-- MARK: FrontEnd Data Structures