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IIF and FSIZE in SELECTs
Message
De
10/11/1998 16:28:15
 
 
À
10/11/1998 14:57:19
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00156319
Message ID:
00156396
Vues:
30
Bob ----

Check what you're doing carefully. I tried both code examples with a non-existant field and got SQL column 'myfield' not found in *both* cases.


>I want to create a cursor with known fields from one with unknown fields. Suppose cursor In does *not* have the field myField:
>
>When I try:
>SELECT IIF(FSIZE('MYFIELD','In')=0,'Default',In.myfield) AS outfield;
> FROM In INTO CURSOR Out
>
>I get "SQL field myfield not found"
>
>However, if I leave out the alias:
>SELECT IIF(FSIZE('MYFIELD','In')=0,'Default',myfield) AS outfield;
> FROM In INTO CURSOR Out
>
>...it works.
>
>I'm nervous about this. Is it robust to use the second technique?
------------------------------------------------
John Koziol, ex-MVP, ex-MS, ex-FoxTeam. Just call me "X"
"When the going gets weird, the weird turn pro" - Hunter Thompson (Gonzo) RIP 2/19/05
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