Mercurial > urweb
comparison tests/agg.ur @ 1194:601a77af0477
'AS' clauses for expression columns may be omitted
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 25 Mar 2010 16:41:51 -0400 |
parents | ad9829c3c12c |
children |
comparison
equal
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1193:1da49fd79e20 | 1194:601a77af0477 |
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1 table t1 : {A : int, B : string, C : float} | 1 table t1 : {A : int, B : string, C : float} |
2 table t2 : {A : float, D : int, E : option string} | 2 table t2 : {A : float, D : int, E : option string} |
3 | 3 |
4 val q1 = (SELECT COUNT( * ) AS X FROM t1) | 4 val q1 : sql_query [] _ _ = (SELECT COUNT( * ) FROM t1) |
5 val q2 = (SELECT AVG(t1.A) AS X FROM t1) | 5 val q2 : sql_query [] _ _ = (SELECT AVG(t1.A) FROM t1) |
6 val q3 = (SELECT SUM(t1.C) AS X FROM t1) | 6 val q3 : sql_query [] _ _ = (SELECT SUM(t1.C) FROM t1) |
7 val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) | 7 val q4 : sql_query [] _ _ = (SELECT MIN(t1.B), MAX(t1.A) FROM t1) |
8 val q5 = (SELECT SUM(t1.A) AS X FROM t1 GROUP BY t1.B) | 8 val q5 : sql_query [] _ _ = (SELECT SUM(t1.A) FROM t1 GROUP BY t1.B) |
9 val q6 = (SELECT COUNT(t2.E) AS N FROM t2 GROUP BY t2.D) | 9 val q6 = (SELECT COUNT(t2.E) FROM t2 GROUP BY t2.D) |
10 | 10 |
11 fun main () : transaction page = | 11 fun main () : transaction page = |
12 xml <- queryX q6 (fn r => <xml>{[r.N]};</xml>); | 12 xml <- queryX q6 (fn r => <xml>{[r.1]};</xml>); |
13 return <xml><body>{xml}</body></xml> | 13 xml2 <- queryX q4 (fn r => <xml>{[r.1]}, {[r.2]};</xml>); |
14 return <xml><body>{xml}<br/>{xml2}</body></xml> |