Re: CSV import / export - Mailing list pgadmin-hackers

From Guillaume Lelarge
Subject Re: CSV import / export
Date
Msg-id 492E5FC0.5050404@lelarge.info
Whole thread Raw
In response to Re: CSV import / export  (Quan Zongliang <quanzongliang@gmail.com>)
Responses Re: CSV import / export  ("Robins Tharakan" <tharakan@gmail.com>)
Re: CSV import / export  (Quan Zongliang <quanzongliang@gmail.com>)
List pgadmin-hackers
Quan Zongliang a écrit :
> [...]
> This item is already in my plan.
> I am thinking what function should be supported and got some idea.
>

You should work together.

> There are some commercial pruduct that coded in Java.
> Through the JDBC technology, they can support almost all database.
> We can reference their function to design our component.
>
> Import/Export should has themselves dialog. In future, they can be
> grouped into a sub-menu with Backup/Restore.
>
> The CSV(Comma-Separated Values) has itself standard "RFC 4180".
> Website: http://www.ietf.org/rfc/rfc4180.txt
>
> I plan to support it and some expansion.
>   --column delimiter can be comma(std), colon, semicolon or TAB;
>     (Text parser should accept any char or string to be delimiter, ideally.
> However, this will make the function too complicated. Juest be an idea
> now.)

length delimiter is also an option.

>   --text can be quoted in single or double(std) quotation;
>   --multi-format date, time, numberic
>   --user can adjust column order to correspond with CSV item.

This would be great.

>   --and so on
>
> wxWidgets has some class that support charset convertion.
>

Take a look at the pgloader tool in pgfoundry. It also deals with this
kind of problems. You should be able to get a complete list of issues
and ways to get over them.


--
Guillaume.
 http://www.postgresqlfr.org
 http://dalibo.com

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