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Replacing Null Fields
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Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01467343
Message ID:
01467347
Vues:
59
>>If I do a select Left Outer join, I end up with Nulls in the fields where no match exists in the Joined Table.
>>Is there any VFP setting where I can default these to zero (if numeric) or spaces(if Character) rather then Null.
>>I know I can post process the table and do an if Isnull() , but my prererence is to avoid having to do this if it can be done.
>>Thanks in advance
>>
>>Gerard
>
>You could do this in your select:
>
>SELECT MainTable.SomeField,;
>       NVL(LeftJoinedTable.NumericField, 0000000.00) AS NumericField,;
>       NVL(LeftJoinedTable.CharField, SPACE(??))            AS CharField;
>FROM ....
>
Or use CAST instead.

select cast(NVL(LeftTable, charfield,'') as C(100)) as CharField.
If it's not broken, fix it until it is.


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