Mercurial > urweb
annotate tests/timestamp.ur @ 2236:fab8c1f131a5
Major DNF-calculation performance decrapification.
author | Ziv Scully <ziv@mit.edu> |
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date | Tue, 30 Jun 2015 01:56:22 -0700 |
parents | 690638bd9fef |
children |
rev | line source |
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adam@1834 | 1 table t : { A : time } |
adam@1834 | 2 |
adam@1834 | 3 fun many ls = |
adam@1834 | 4 case ls of |
adam@1834 | 5 [] => (WHERE TRUE) |
adam@1834 | 6 | tm :: ls' => (WHERE t.A = {[tm]} AND {many ls'}) |
adam@1834 | 7 |
adam@1834 | 8 task initialize = fn () => |
adam@1834 | 9 tm <- now; |
adam@1834 | 10 dml (DELETE FROM t WHERE {many (tm :: [])}) |
adam@1834 | 11 |