diff options
Diffstat (limited to 'src/monoize.sml')
| -rw-r--r-- | src/monoize.sml | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/monoize.sml b/src/monoize.sml index 7344c22f..5341ab99 100644 --- a/src/monoize.sml +++ b/src/monoize.sml @@ -614,7 +614,24 @@ fun monoExp (env, st, fm) (all as (e, loc)) = strcatComma loc (map (fn (x, _) => strcat loc [(L'.EField (gf "From", x), loc), sc (" AS " ^ x)]) tables), sc " WHERE ", - gf "Where" + gf "Where", + if List.all (fn (x, xts) => + case List.find (fn (x', _) => x' = x) grouped of + NONE => List.null xts + | SOME (_, xts') => + List.all (fn (x, _) => + List.exists (fn (x', _) => x' = x) + xts') xts) tables then + sc "" + else + strcat loc [ + sc " GROUP BY ", + strcatComma loc (map (fn (x, xts) => + strcatComma loc + (map (fn (x', _) => + sc (x ^ "." ^ x')) + xts)) grouped) + ] ]), loc), fm) | _ => poly () |