Re: parsing column info

Поиск
Список
Период
Сортировка
От Don Isgitt
Тема Re: parsing column info
Дата
Msg-id 3D7E2E8C.7060007@soundenergy.com
обсуждение исходный текст
Ответ на parsing column info  ("Johnson, Shaunn" <SJohnson6@bcbsm.com>)
Список pgsql-general
Hi Shaunn,

It is not aesthetically pleasing, but you could use substr and strpos to
extract up to the unwanted character, similarly to extract from the
unwanted character, and then concatenate the two strings.

Don

Johnson, Shaunn wrote:

> Running PostgreSQL 7.2.1 on RedHat Linux 2.4.7-10.
>
> This might wind up being a perl hack, but I'll ask ...
>
> I have a table that has been imported from someplace
> (probably MS Access).  The columns on the table has
> been defined as character varying(50).  One of the
> columns is "supposed" to be defined as having a decimal.
>
> I no longer want the decimals in that column.  Is there
> a way to parse out the decimals when copying this into
> a new table?  I was thinking that I can just create the
> new table schema, select * from t_table and somewhere
> figure out how to parse out the silly '.' from the column
> (perhaps in a case statement?).
>
> Any ideas?
>
> Thanks!
>
> -X
>
>



В списке pgsql-general по дате отправления:

Предыдущее
От: "Johnson, Shaunn"
Дата:
Сообщение: parsing column info
Следующее
От: Alvaro Herrera
Дата:
Сообщение: Re: Psql regex is NFA or DFA?