annotate tests/table.ur @ 1168:69f1d39d3f2d
Use COALESCE to hide NULL results of aggregate functions; fix bug with improper ordering of query result columns
| author |
Adam Chlipala <adamc@hcoop.net> |
| date |
Thu, 25 Feb 2010 14:55:35 -0500 |
| parents |
71bafe66dbe1 |
| children |
|
| rev |
line source |
|
adamc@205
|
1 table t1 : {A : int, B : string, C : float}
|
|
adamc@207
|
2 table t2 : {A : float, D : int}
|
|
adamc@204
|
3
|
|
adamc@205
|
4 val q1 = (SELECT * FROM t1)
|
|
adamc@205
|
5
|
|
adamc@205
|
6 val q2 = (SELECT * FROM t1, t2)
|
|
adamc@205
|
7
|
|
adamc@205
|
8 (*val q3 = (SELECT * FROM t1, t1)*)
|
|
adamc@205
|
9 val q3 = (SELECT * FROM t1, t1 AS T2)
|
|
adamc@205
|
10
|
|
adamc@221
|
11 val q4 = (SELECT * FROM {{t1}} AS T, t1 AS T2)
|
|
adamc@207
|
12
|
|
adamc@207
|
13 val q5 = (SELECT t1.A FROM t1)
|
|
adamc@207
|
14 val q6 = (SELECT t1.B, t1.C, t1.A FROM t1)
|
|
adamc@207
|
15
|
|
adamc@207
|
16 val q7 = (SELECT t1.A, t2.A FROM t1, t2)
|
