Re: Delphi - Developers start develop Access components for Postgres?

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От Daniel Schuchardt
Тема Re: Delphi - Developers start develop Access components for Postgres?
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Msg-id d5qp82$ije$1@news.hub.org
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Ответ на Re: Delphi - Developers start develop Access components for Postgres?  ("Zlatko Matic" <zlatko.matic1@sb.t-com.hr>)
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Me not.

The problem with lazarus is that they don't support many third party
components. We use havily Teechart and Developer Express in our software
so Lazarus isn't a choice for us.

Daniel

Zlatko Matic schrieb:

> What about Lazarus Has anybody tried working with Lazarus?
>
> ----- Original Message ----- From: "Daniel Schuchardt"
> <daniel_schuchardt@web.de>
> To: <pgsql-general@postgresql.org>
> Sent: Tuesday, May 10, 2005 2:27 PM
> Subject: [GENERAL] Delphi - Developers start develop Access components
> for Postgres?
>
>
>> Hy,
>>
>> in thread "Adventures in Quest for GUI RAD" there awnsered some
>> Delphi - Developers.
>> We actually use Delphi to access PostgreSQL too. But with some problems:
>>
>> The older Versions of microolab postgresql dac are absolutely trash.
>> I haven't tried the newer ones.
>> ODBC / Delphi BDE is ripped out by Borland.
>> ADO is Microsoft and we look for a not Microsoft dependend product
>> because are application also runs on unix (with Kylix).
>> dbexpress is really hard to handle; I dont have extended experience
>> with DBExpress and vitavoom - dbexpress driver. (www.vitavoom.com).
>>
>> we use zeos but the older version because of we found many problems
>> in 6.X - Versions. I have fixed up many bugs in zeos 5.4 so it now
>> works fine with postgres.(7.3-8 running) All in all i have to say
>> Zeos works but i'm not really happy with zeos because it seems not
>> clear if it has a future.
>>
>> Components are very inefficient, every time you open a table all
>> configuration / table meta data is fetched. No internal caching or
>> sth like this. (they are still faster than dbexpress / odbc / Zeos6.X)
>> Fields with unknown length are mapped wrong.
>> and so on-
>>
>> With Zeos 6.X you cannot use Postgresql - search path because 6.X
>> Versions always wrote schema name before table name. 6.X does not
>> support Cursor Fetch. 6.X isn't speacially for postgres, they try to
>> support all bigger databases.
>>
>> Has anyone tried .net - pgsql - driver with Delphi 2005?
>>
>> All in all my opinion is that there is no really good solution to
>> access Postgres from Delphi.
>>
>> Perhaps we should start a project at pgfoundry "PostgreSQL - Access
>> for Delphi".
>>
>> Opinions?
>>
>> Daniel.
>>
>> ---------------------------(end of broadcast)---------------------------
>> TIP 4: Don't 'kill -9' the postmaster
>>
>
>
> ---------------------------(end of broadcast)---------------------------
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>
>               http://archives.postgresql.org
>

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