Mercurial > urweb
annotate tests/limit.ur @ 1893:9a1097954188
compileC: Link libraries in the right order
This is needed, at least on recent Ubuntu, to fix this linker error
when compiling any Ur/Web application:
ld: /tmp/webapp.o: undefined reference to symbol 'uw_write'
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
src/compiler.sml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
author | Anders Kaseorg <andersk@mit.edu> |
---|---|
date | Thu, 21 Nov 2013 14:32:11 -0500 |
parents | 02e1870a0516 |
children |
rev | line source |
---|---|
adamc@231 | 1 table t : {A : int, B : string, C : float} |
adamc@231 | 2 |
adamc@231 | 3 val q1 = (SELECT * FROM t LIMIT 42) |
adamc@231 | 4 val q2 = fn n => (SELECT * FROM t LIMIT {n}) |
adamc@232 | 5 |
adamc@232 | 6 val q3 = (SELECT * FROM t OFFSET 3) |
adamc@232 | 7 val q4 = fn n => fn m => (SELECT * FROM t LIMIT {n} OFFSET {m}) |
adamc@262 | 8 |
adamc@262 | 9 |
adamc@262 | 10 datatype list a = Nil | Cons of a * list a |
adamc@262 | 11 |
adamc@262 | 12 val r1 : transaction (list {A : int, B : string, C : float}) = |
adamc@263 | 13 query (q4 3 7) |
adamc@262 | 14 (fn fs acc => return (Cons (fs.T, acc))) |
adamc@262 | 15 Nil |
adamc@262 | 16 |
adamc@262 | 17 val r2 : transaction string = |
adamc@262 | 18 ls <- r1; |
adamc@262 | 19 return (case ls of |
adamc@262 | 20 Nil => "Problem" |
adamc@262 | 21 | Cons ({B = b, ...}, _) => b) |
adamc@262 | 22 |
adamc@262 | 23 val main : unit -> transaction page = fn () => |
adamc@262 | 24 s <- r2; |
adamc@262 | 25 return <html><body> |
adamc@262 | 26 {cdata s} |
adamc@262 | 27 </body></html> |