Re: How to obtain the max length of a varchar(50) field.

Поиск
Список
Период
Сортировка
От Mauro Ziliani
Тема Re: How to obtain the max length of a varchar(50) field.
Дата
Msg-id 4DC2775E.2070402@faresoftware.it
обсуждение исходный текст
Ответ на Re: How to obtain the max length of a varchar(50) field.  (Simon Riggs <simon@2ndQuadrant.com>)
Список pgsql-novice
On 05/05/2011 11:03, Simon Riggs wrote:
> On Thu, May 5, 2011 at 9:50 AM, Mauro Ziliani<mauro@faresoftware.it>  wrote:
>> Hi all.
>> I'm working with Postgres 9.0 and wxWidgets.
>> I need to query the db about a field of a table.
>>
>> The table T has a field varchar(50).
>>
>> table: TAB0
>> customer: varchar(50)
>>
>> How can I get the max size of the field?
>>
>> The PQfsize function give me -1 because the field has dynamic size.
>>
>> Can you help me?
> Try PQfmod()
>
Ok I'll try it. Reading I skip this function.
Thank you.

MZ

В списке pgsql-novice по дате отправления:

Предыдущее
От: Andreas Kretschmer
Дата:
Сообщение: Re: How to obtain the max length of a varchar(50) field.
Следующее
От: Mauro Ziliani
Дата:
Сообщение: Re: How to obtain the max length of a varchar(50) field.