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AS/400, ODBC and bookmarks

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  #1  
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Caroline Miller
 
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Default AS/400, ODBC and bookmarks - 08-14-2003 , 03:02 PM






Hi experts,

I'm really not sure whether this is the right newsgroup
to ask this but maybe you can give me a hint where to
investigate in case it is not.

Problem:

We are using the IBM ODBC driver 5.1 to connect to our
AS/400 to access our databases. With default windows
applications, there is no problem.

When using a specialized windows application, we are
getting the error message (not exactly, just out of my
mind):

"the current record set does not support bookmarks,
this might be a limitation by the provider"

What are these bookmarks? Are AS/400 systems using these
bookmarks, while other databases are not (MySQL)?

Is there any option in the ODBC driver or on the AS/400
that would disable these bookmarks?

The problem is only relevant to this AS/400 system, not
to MySQL, PostresSQL or Microsoft SQL.

Any hint would be appreciated! If you think this is wrong
here, please advise where to ask this.

Sincerely,
Caroline



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  #2  
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programmer
 
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Default Re: AS/400, ODBC and bookmarks - 08-15-2003 , 05:17 AM







"Caroline Miller" <caro28_dr (AT) hotmail (DOT) com> wrote

Quote:
Hi experts,

I'm really not sure whether this is the right newsgroup
to ask this but maybe you can give me a hint where to
investigate in case it is not.

Problem:

We are using the IBM ODBC driver 5.1 to connect to our
AS/400 to access our databases. With default windows
applications, there is no problem.

When using a specialized windows application, we are
getting the error message (not exactly, just out of my
mind):

"the current record set does not support bookmarks,
this might be a limitation by the provider"

What are these bookmarks? Are AS/400 systems using these
bookmarks, while other databases are not (MySQL)?

Is there any option in the ODBC driver or on the AS/400
that would disable these bookmarks?

The problem is only relevant to this AS/400 system, not
to MySQL, PostresSQL or Microsoft SQL.

Any hint would be appreciated! If you think this is wrong
here, please advise where to ask this.

It sounds like the specialized windows application wants to read the data
returned by the query in a random order and revisit records already seen -
hence the bookmarks.

The recordset from the AS400 will be a forward-only recordset which means
that the data can only be read sequentially.





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  #3  
Old   
programmer
 
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Default Re: AS/400, ODBC and bookmarks - 08-18-2003 , 12:26 PM



Quote:
The recordset from the AS400 will be a forward-only recordset which
means
that the data can only be read sequentially.

That sounds interesting. What about the other databases, e.g. MySQL?
Do they support the random order/bookmarks "officially"? Is this a
documented feature?
I think it's more dependent on the ODBC driver than the database.






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