Re: [GENERAL] Is it possible to change a columns name

Поиск
Список
Период
Сортировка
От Pavel PaJaSoft Janousek
Тема Re: [GENERAL] Is it possible to change a columns name
Дата
Msg-id 004201be6bb0$8df655e0$2285d4c2@server.fonet2.cz
обсуждение исходный текст
Список pgsql-general
>>     It's good idea, but if I would change not the name, but properties for example :
>> create table pokus (col1 int, col2 varchar (20));
>>
>> and now I would col1 as col1 int default 5 and col2 varchar (20) not null.
>> or col2 varchar (30)...
>>
>> I search many MB of text about SQL etc., but I found only command for
>> adding column or for the renaming it, but what about remove some
>> column or change properties of column?
>
>I've run into this problem many times.. best answer I've found has been to
>dump the database, recreate the table making any necessary changes, than
>copy the data back in.


    Yes, I do this always too, but I prefer SQL syntax before manual editing dumped database....

    Have somebody any idea?

Pavel PaJaSoft Janousek
FoNet, spol. s r.o.

В списке pgsql-general по дате отправления:

Предыдущее
От: Ulf Mehlig
Дата:
Сообщение: Re: [GENERAL] dropping a table, leaving actual file in base/db/...
Следующее
От: "David O'Farrell"
Дата:
Сообщение: threads and libpq