Mercurial > urweb

annotate tests/order_by.lac @ 236:f5732dc1316c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More aggregate functions
author Adam Chlipala <adamc@hcoop.net>
date Thu, 28 Aug 2008 12:56:08 -0400
parents 82409ef72019
children
rev   line source
adamc@230 1 table t1 : {A : int, B : string, C : float}
adamc@230 2 table t2 : {A : float, D : int}
adamc@230 3
adamc@230 4 val q1 = (SELECT * FROM t1 ORDER BY t1.A, t1.B)
adamc@230 5 val q2 = (SELECT * FROM t1 GROUP BY t1.A ORDER BY t1.A, t1.B)
adamc@230 6 val q3 = (SELECT t1.B FROM t1
adamc@230 7 UNION SELECT t1.B FROM t1
adamc@230 8 ORDER BY t1.B)
adamc@234 9
adamc@234 10 val q4 = (SELECT t1.A, t2.D, t1.A < t2.D AS Lt
adamc@234 11 FROM t1, t2
adamc@234 12 ORDER BY Lt)
adamc@234 13 val q5 = (SELECT t1.A, t2.D, t1.A < t2.D AS Lt
adamc@234 14 FROM t1, t2
adamc@234 15 ORDER BY t1.A, Lt, t2.D)