Mercurial > urweb
annotate tests/table.lac @ 219:5292c0113024
SQL comparison operators
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sat, 16 Aug 2008 17:18:00 -0400 |
| parents | cc68da3801bc |
| children | 79819a6346e2 |
| 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@205 | 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) |