Mercurial > urweb
annotate tests/channelThief.ur @ 2204:01c8aceac480
Finishes initial prototype, caching parameterless pages with table-match-based invalidation. Still has problems parsing non-Postgres SQL dialects properly.
| author | Ziv Scully <ziv@mit.edu> |
|---|---|
| date | Tue, 27 May 2014 21:14:13 -0400 |
| parents | a671e5258a2c |
| children |
| rev | line source |
|---|---|
| adam@1942 | 1 table t : { Ch : channel string } |
| adam@1942 | 2 |
| adam@1942 | 3 fun go () = |
| adam@1942 | 4 let |
| adam@1942 | 5 fun overwrite () = |
| adam@1942 | 6 dml (DELETE FROM t WHERE TRUE); |
| adam@1942 | 7 ch <- channel; |
| adam@1942 | 8 dml (INSERT INTO t (Ch) VALUES ({[ch]})); |
| adam@1942 | 9 return ch |
| adam@1942 | 10 |
| adam@1942 | 11 fun retrieve () = |
| adam@1942 | 12 oneRowE1 (SELECT (t.Ch) FROM t) |
| adam@1942 | 13 |
| adam@1942 | 14 fun transmit () = |
| adam@1942 | 15 ch <- retrieve (); |
| adam@1942 | 16 send ch "Test" |
| adam@1942 | 17 |
| adam@1942 | 18 fun listenOn ch = |
| adam@1942 | 19 s <- recv ch; |
| adam@1942 | 20 alert s |
| adam@1942 | 21 in |
| adam@1942 | 22 ch <- overwrite (); |
| adam@1942 | 23 return <xml><body onload={listenOn ch}> |
| adam@1942 | 24 <button value="overwrite" onclick={fn _ => ch <- rpc (overwrite ()); listenOn ch}/> |
| adam@1942 | 25 <button value="retrieve" onclick={fn _ => ch <- rpc (retrieve ()); listenOn ch}/> |
| adam@1942 | 26 <button value="transmit" onclick={fn _ => rpc (transmit ())}/> |
| adam@1942 | 27 </body></xml> |
| adam@1942 | 28 end |
| adam@1942 | 29 |
| adam@1942 | 30 fun main () = return <xml><body> |
| adam@1942 | 31 <form><submit action={go}/></form> |
| adam@1942 | 32 </body></xml> |