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Concerning the documentation files in the distribution : I need somebody to explain me how to easily edit the xml files used to generate these. It's some docbook format, but when I have to edit them using notepad, I refuse to do so. :evil: So if somebody can show me a good (free) tool to edit these...

So if I understand it correctly the issue seems to be related to caching (TZQuery caches data, TZReadOnlyQuery doesn't and on sorting there is a performance penalty when calling the mysql library). If the problem isn't fixable (maybe that's the way it is supposed to work) then we could at least ment...

Here is the attached test project (C++ Builder 6). It has a Readme.txt describing how to build it. Someone please test it and confirm the issue. Or just use the database and replicate the application in Delphi (it is very simple). OT: I'm using another user because I've just been locked out of the o...

OK, I prepared the test application (and simplified it in the process).
Compressed it's 29KB w/o libmysql41.dll and 483KB w/ libmysql41.dll.
It's a C++ Builder 6 application.

Now what do I do with it?

Yes the thread is old. I was browsing the forum looking the things that happened to me and possible fixes( after seeing gto 's thread with duplicate entries that fixed one of my oldest annoyances that I was too lazy to search/fix for myself - I'm mostly a C++ guy...). I have modified a test applicat...

Is there a performance difference between TZQuery and TZReadOnlyQuery? Or what makes TZReadOnlyQuey different in comparison with TZQuery, when handling results or requests? Yes there is if you sort the data using the query! I had an application using a TZReadOnlyQuery to populate a TDBLookupComboBo...

This also fixes a bug with a TDBLookupComboBox whose data comes from a TZQuery's dataset where scrolling up/down would - under some conditions - seem as if all entries are duplicates.

Thanks gto!

I'm using TZReadOnlyQuery.... I think it's faster because it's "read only". or not ? :oops: If you're using large SELECT s, TZQuery w/ RequestLive will be faster (my experience some time ago - maybe now it is different). And the explanation had something to do with the way qry.Next() and ...

I understand, but does the RequestLive option make a difference?

Try setting TZQuery's RequestLive option to TRUE (I assume you're using a TZQuery).

If it works (i.e. it takes less than 15'), I'll then tell you why :-)

see http://seegernet.koolhost.de/zeosforum/ ... c.php?t=77 (answer in another post).

C++ Builder troubleshooting FAQ - ToolsAPI (DesignIntf.dcu) - oledb.h & Zplaindblibdriver/Zplainado(DBROWCOUNT, ConnectionEventsVt, RecordsetEventsVt) - stdio.h & ADO (EOF) - include/lib paths 1. I get '[Pascal Fatal Error] ZPropertyEditor.pas(49): File not found: 'DesignIntf.dcu' under C++...