Mercurial > urweb
comparison tests/agg.lac @ 237:9182068c9d7c
Tested aggregate functions with GROUP BY
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Thu, 28 Aug 2008 12:58:11 -0400 |
parents | f5732dc1316c |
children |
comparison
equal
deleted
inserted
replaced
236:f5732dc1316c | 237:9182068c9d7c |
---|---|
3 | 3 |
4 val q1 = (SELECT COUNT( * ) AS X FROM t1) | 4 val q1 = (SELECT COUNT( * ) AS X FROM t1) |
5 val q2 = (SELECT AVG(t1.A) AS X FROM t1) | 5 val q2 = (SELECT AVG(t1.A) AS X FROM t1) |
6 val q3 = (SELECT SUM(t1.C) AS X FROM t1) | 6 val q3 = (SELECT SUM(t1.C) AS X FROM t1) |
7 val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) | 7 val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) |
8 | |
9 (*val q5 = (SELECT t1.A FROM t1 GROUP BY t1.B)*) | |
10 val q5 = (SELECT SUM(t1.A) AS X FROM t1 GROUP BY t1.B) |