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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-09-07 15:12:47 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-09-07 15:12:47 -0400 |
| commit | b7606fcacfb9435651b6be6cbbb2e3a89414ef3a (patch) | |
| tree | 5712f7979a29c059e091b083efc28a66804d15e9 | |
| parent | 0ba7ae8dbfdaf703260e58f700ce6e2ccf1ce2e9 (diff) | |
First UPDATE works
| -rw-r--r-- | src/monoize.sml | 30 | ||||
| -rw-r--r-- | tests/update.ur | 2 |
2 files changed, 31 insertions, 1 deletions
diff --git a/src/monoize.sml b/src/monoize.sml index 449306ca..87aaaff5 100644 --- a/src/monoize.sml +++ b/src/monoize.sml @@ -600,6 +600,7 @@ fun monoExp (env, st, fm) (all as (e, loc)) = (L'.EDml (liftExpInExp 0 e), loc)), loc), fm) end + | L.ECApp ((L.EFfi ("Basis", "insert"), _), fields) => (case monoType env (L.TRecord fields, loc) of (L'.TRecord fields, _) => @@ -624,6 +625,35 @@ fun monoExp (env, st, fm) (all as (e, loc)) = end | _ => poly ()) + | L.ECApp ((L.ECApp ((L.EFfi ("Basis", "update"), _), changed), _), _) => + (case monoType env (L.TRecord changed, loc) of + (L'.TRecord changed, _) => + let + val s = (L'.TFfi ("Basis", "string"), loc) + val changed = map (fn (x, _) => (x, s)) changed + val rt = (L'.TRecord changed, loc) + fun sc s = (L'.EPrim (Prim.String s), loc) + in + ((L'.EAbs ("fs", rt, (L'.TFun (s, (L'.TFun (s, s), loc)), loc), + (L'.EAbs ("tab", s, (L'.TFun (s, s), loc), + (L'.EAbs ("e", s, s, + strcat loc [sc "UPDATE ", + (L'.ERel 1, loc), + sc " AS T SET ", + strcatComma loc (map (fn (x, _) => + strcat loc [sc ("lw_" ^ x + ^ " = "), + (L'.EField + ((L'.ERel 2, + loc), + x), loc)]) + changed), + sc " WHERE ", + (L'.ERel 0, loc)]), loc)), loc)), loc), + fm) + end + | _ => poly ()) + | L.ECApp ( (L.ECApp ( (L.ECApp ((L.EFfi ("Basis", "query"), _), (L.CRecord (_, tables), _)), _), diff --git a/tests/update.ur b/tests/update.ur index e58c10cb..49545cc7 100644 --- a/tests/update.ur +++ b/tests/update.ur @@ -1,5 +1,5 @@ table t1 : {A : int, B : string, C : float, D : bool} fun main () : transaction page = - () <- dml (UPDATE t1 SET B = '6', C = 7.0 WHERE T.A = 5); + () <- dml (UPDATE t1 SET B = 'Hi', C = 12.34 WHERE T.A = 5); return <html><body>Updated.</body></html> |