Mercurial > urweb
annotate tests/limit.ur @ 2246:4769b27aa436
Merge.
author | Ziv Scully <ziv@mit.edu> |
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date | Sun, 02 Aug 2015 18:26:44 -0700 |
parents | 02e1870a0516 |
children |
rev | line source |
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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> |