Double validation for a field

4 years 2 months ago #316067 by activha
Double validation for a field was created by activha
Hello

I need to validate a numeric field against a DB table only if this field is filled ie > 0

I tried to use
SELECT * FROM #__affiliate_tracker_accounts WHERE id = [value]
but of course it does not validate if the field is not filled

So how can I validate only when the field is above 0 ?

Can I make a code validation instead of a query validation such as
return ( ( (int) 'SELECT * FROM #__affiliate_tracker_accounts WHERE id = [value]' ) >= 0 );

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4 years 2 months ago #316068 by krileon
Replied by krileon on topic Double validation for a field
Validation is skipped if the query is empty. So you can surround the entire query with an IF substitution to condition it to execute in specific scenarios. Example as follows.

[cb:if value>"0"]SELECT * FROM `#__affiliate_tracker_accounts` WHERE `id` = '[value]'[/cb:if]


Kyle (Krileon)
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