Aww never mind. I think i see where. I used to be able to use
new.fieldname to store values and use them as variables even if they
were not getting updated. I guess I can't do this anymore.

Dmitry Yemanov wrote:

> "Chris Meelhuysen" <chris@...> wrote:
>> update invoiceheader
>> set paymentduedate =cast((:ptCalcDate + (:ptDays *
>> :ptBeforeOrAfter)) as date)
>> where invoiceheaderid = new.invoiceid;
>>
>> it receives this message
>>
>> General SQL error.attempted update of read-only column.
>
> Table "invoiceheader" has a before update trigger which assigns to the OLD
> context or an after update trigger that assigns to the NEW context.
>
>
> Dmitry
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