fix: spread embeds failing when using the "count()" aggregate without a field - @laurenceisla

- Fixed "column reference <col> is ambiguous" error when selecting "?select=...table(col,count())"
- Fixed "column <json_aggregate>.<alias> does not exist" error when selecting "?select=...table(aias:count())"

src/PostgREST/Query/QueryBuilder.hs

@@ -206,7 +206,7 @@ callPlanToQuery (FunctionCall qi params arguments returnsScalar returnsSetOfScal
       KeyParams []    -> "FROM " <> callIt mempty
       KeyParams prms  -> case arguments of
         DirectArgs args -> "FROM " <> callIt (fmtArgs prms args)
-        JsonArgs json   -> fromJsonBodyF json ((\p -> CoercibleField (ppName p) mempty False (ppTypeMaxLength p) Nothing Nothing) <$> prms) False True False <> ", " <>
+        JsonArgs json   -> fromJsonBodyF json ((\p -> CoercibleField (ppName p) mempty False (ppTypeMaxLength p) Nothing Nothing False) <$> prms) False True False <> ", " <>
                          "LATERAL " <> callIt (fmtParams prms)
 
     callIt :: SQL.Snippet -> SQL.Snippet

src/PostgREST/Query/SqlFragment.hs

@@ -252,6 +252,7 @@ pgFmtCallUnary :: Text -> SQL.Snippet -> SQL.Snippet
 pgFmtCallUnary f x = SQL.sql (encodeUtf8 f) <> "(" <> x <> ")"
 
 pgFmtField :: QualifiedIdentifier -> CoercibleField -> SQL.Snippet
+pgFmtField table CoercibleField{cfFullRow=True}                                          = fromQi table
 pgFmtField table CoercibleField{cfName=fn, cfJsonPath=[]}                                = pgFmtColumn table fn
 pgFmtField table CoercibleField{cfName=fn, cfToJson=doToJson, cfJsonPath=jp} | doToJson  = "to_jsonb(" <> pgFmtColumn table fn <> ")" <> pgFmtJsonPath jp
                                                                              | otherwise = pgFmtColumn table fn <> pgFmtJsonPath jp