Re: 1.4 ; db TABLEs invoice,orderitems ; drop field precision ?

[herman vierendeels <..hidden..>]

Hello Chris,

One last general question.

When a db-field can easily be calculated from another db-field, why
should we store it ?

Like in OE.pm:
decimalplaces is re-calculated from fetched sellprice. (not set from
also fetched precision)
($decimalplaces) = ( $ref->{sellprice} =~ /\.(\d+)/ );

Best Wishes,
Herman

2012/2/3 Chris Travers <..hidden..>:
>
>
> On Fri, Feb 3, 2012 at 3:36 AM, Chris Travers <..hidden..>
> wrote:
>>
>>
>>
>> On Fri, Feb 3, 2012 at 3:26 AM, herman vierendeels
>> <..hidden..> wrote:
>>>
>>> yes, i agree, the field precision is fetched from db;  but , as far as
>>> i can see, never used!
>>>
>> The old code is hard to follow but from there it goes onto the $ref
>> hashrefs that get pushed onto @{$form->{form_details}} and from there these
>> get expanded to $form->{...._$i} (i.e. $form->{"precision_$i"}.
>>
> BTW, this is an important reason to replace the old code.
>
> Best Wishes,
> Chris Travers
>
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