Mercurial > urweb
annotate tests/agg.lac @ 236:f5732dc1316c
More aggregate functions
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 28 Aug 2008 12:56:08 -0400 |
parents | 0608a0cfd32a |
children | 9182068c9d7c |
rev | line source |
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adamc@235 | 1 table t1 : {A : int, B : string, C : float} |
adamc@235 | 2 table t2 : {A : float, D : int} |
adamc@235 | 3 |
adamc@236 | 4 val q1 = (SELECT COUNT( * ) AS X FROM t1) |
adamc@236 | 5 val q2 = (SELECT AVG(t1.A) AS X FROM t1) |
adamc@236 | 6 val q3 = (SELECT SUM(t1.C) AS X FROM t1) |
adamc@236 | 7 val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) |