Re: Error size varchar

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От Edwin Quijada
Тема Re: Error size varchar
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Msg-id BAY1-F898AWiZAtGYkN0001367f@hotmail.com
обсуждение исходный текст
Ответ на Error size varchar  ("Edwin Quijada" <listas_quijada@hotmail.com>)
Ответы Re: Error size varchar
Re: Error size varchar
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wHAT IS unconstrained varchar???



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*-Edwin Quijada
*-Developer DataBase
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*-809-747-2787
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>From: Tom Lane <tgl@sss.pgh.pa.us>
>To: "Edwin Quijada" <listas_quijada@hotmail.com>
>CC: pgsql-general@postgresql.org
>Subject: Re: [GENERAL] Error size varchar Date: Wed, 29 Oct 2003 11:28:23
>-0500
>
>"Edwin Quijada" <listas_quijada@hotmail.com> writes:
> > I got error about a length field varchar. I have a table with a field
>type
> > varchar(20) but if I try to set to this field more than 20 characters I
>got
> > error.
> > I did a function to control the length of data and put it on trigger but
> > when it ocurrs I got the error anyway and the trigger not works.
>
>The length constraint is checked before triggers are fired, I believe.
>If you want silent truncation rather than an error, use a text column
>(or unconstrained varchar) and put the truncation behavior into your
>trigger.
>
>            regards, tom lane

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