Subject | Re: Firebird newbie |
---|---|
Author | hee_cm18 |
Post date | 2003-05-27T05:53:50Z |
Hi Helen,
Very well-answered, Thanks.
Question now is how do I check the connection path string that is
fired by those tools.
regards,
Chee Ming
Very well-answered, Thanks.
Question now is how do I check the connection path string that is
fired by those tools.
regards,
Chee Ming
--- In ib-support@yahoogroups.com, Helen Borrie <helebor@t...> wrote:
> At 02:55 AM 27/05/2003 +0000, you wrote:
> >Hi,
> >
> >I am new to Firebird and have the following question:
> >
> >Once I have used IBConsole or InterBase PLANalyzer to connect to
> >Firebird database, I cannot use others (eg. isql, etx.) to connect
> >it. It will give me error:
> >
> >"Statement failed, SQLCODE=-902. The process cannot access the file
> >because it is being used by another process"
> >
> >Is it a feature of Firebird?
>
> Yes. If different client programs use different path formats in
their
> connection strings to connect to an InterBase database, serious
database
> corruption occurs. This is known affectionately as "The path
string
> bug". In Firebird, it was fixed a long time ago, by disallowing
any client
> to connect with a different path format to the one that was used
for the
> first connection, i.e the one that opened the database file.
>
> Here are two path strings that are incompatible in this context:
>
> C:\data\mydb.fdb <--- correct path format
> C:data\mydb.fdb <--- incorrect path format, but allowed by Windows
>
> >If so, how to I connect to a database
> >with different tools at one time, because during development, I
might
> >use a SQL Analyser tool and Admin tool.
>
> Just make sure that you use the *same* correct path string with all
> clients. Particularly watch out for paths that might have been set
> automatically by InterBase-specific tools such as the two you
mention, both
> of which use the IBX components. Because the bug hasn't been fixed
in
> InterBase, such tools are not likely to provide protection from it
in their
> internal parsing.
>
> heLen