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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-11-06 15:37:38 -0500 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-11-06 15:37:38 -0500 |
| commit | 2b028daf3ff279b9c68301c031588ab042edddf5 (patch) | |
| tree | 3dc7245cbdb2c517bb9676d83860e4b48f64026a /tests/sql_option.ur | |
| parent | 27e3c3ba965513dcb3e447cccf6e77ce8c63e90d (diff) | |
Inserted a NULL value
Diffstat (limited to 'tests/sql_option.ur')
| -rw-r--r-- | tests/sql_option.ur | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/sql_option.ur b/tests/sql_option.ur new file mode 100644 index 00000000..257f8c55 --- /dev/null +++ b/tests/sql_option.ur @@ -0,0 +1,22 @@ +table t : { O : option int } + +fun addNull () = + dml (INSERT INTO t (O) VALUES (NULL)); + return <xml>Done</xml> + +(*fun add42 () = + dml (INSERT INTO t (O) VALUES (42)); + return <xml>Done</xml>*) + +fun main () : transaction page = + xml <- queryX (SELECT * FROM t) + (fn r => case r.T.O of + None => <xml>Nada<br/></xml> + | Some n => <xml>Num: {[n]}<br/></xml>); + return <xml><body> + {xml} + + <a link={addNull ()}>Add a null</a><br/> + </body></xml> + +(* <a link={add42 ()}>Add a 42</a><br/>*) |