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Content Tagged with Technical + developer

He doubled his performance by just switching the firebird client : We’ve just built and tested ‘libfbclient.so’ from the head branch and tested it against the release version 2.0.3. In other words, we only switched out the client library, and left the database server itself intact at version 2.0.3. The performance improvement is huge: fbclient-head: 6% processing time spent in ‘futex’ fbclient-2.0.3: [...]

A bunch of major changes has just been committed into HEAD. This message is intended to explain the details.

I modified fb_embedded2.pas originally written for Delphi by Fikret Hasovic. Now it works with Lazarus! [See remaining text…]  fb_embedded2.pas is a Pascal unit that can be included in a Lazarus project to enable embedding of [...]

The Firebird Reference Documentation Sub-Project has the goal to create a comprehensive Reference Documentation for the Firebird SQL Database. PS: Anyone can pick a topic and write a piece of documentation for it. It’s small pieces on a per-keyword-basis, with no markups, just plain text with a very basic structure skeleton - so no skills in [...]

After many lunchtimes of testing and documenting, and with a little (!) help from Paul in the Limbo Transactions testing, I have checked in the gfix manual. Onwards to other things now - gpre! Cheers, Norman.

you can read the article translated here La gestion des transactions dans Firebird Présentation du concept de transaction et du modèle transactionnel de Firebird, comparaison par rapport à d’autres SGBD. Avantages et inconvénients, bonnes pratiques de conception et de programmation. Via http://firebird-fr.eu.org/doku.php?id=wiki:rendez-vous2007

The Docbuilding Howto and Docwriting Guide have been updated. The most important modifications are: [See remaining text…]  Docbuilding Howto Section “Improving the PDF” has been thoroughly reworked to reflect the changes since we moved to FOP 0.93-patched. [...]

I was doing some coding today and couldn’t find some routines I’ve used often in the past. Since I had to search for them, obeying my rule, they get posted here. Maybe they can be of use to others.

This is the complete issue containing Python User Group highlights, interviews, more on coding idioms, and an academic paper on the Firebird Database. (Revision 2) [See remaining text…]  This paper presents a simple data dump and load [...]

Devrace have published a new article “Devrace FIBPlus: Optimization of network traffic in Delphi and C++ Builder applications”. From it you will get to know: Caching metadata. Using poRefreshAfterPost option in TpFIBDataSet Options. Recurrent use of queries. Client BLOB-filters. «Transparent» packing of BLOB-fields, etc.

There’s a new Null Guide beta at http://www.firebirdsql.org/devel/doc/manual/temp/nullguide/nullguide.html The following things have been added since the previous beta: New section “Predicates”, with IN, ANY, SOME, ALL, EXISTS, SINGULAR (IN was already present but has undergone some changes) http://www.firebirdsql.org/devel/doc/manual/temp/nullguide/nullguide-predicates.html - Added to section “Aggregate functions”: Counting frequencies http://www.firebirdsql.org/devel/doc/manual/temp/nullguide/nullguide-aggrfunc.html#d0e14798 The HAVING [...]

Dmitry Yemanov today posted to the Firebird-devel list his proposals for merging the Firebird 2 code with the Vulcan code. If you are interested in how it will be done and who will be doing it, subscribe to the list and watch the thread entitled “Merge Proposal”.

You can watch the powerpc porting thread on sf.net devel mailing list UPDATE:firebird started on powerpc (make passed create_db stage so first database was correctly created on that platform) It seems that, despite the public beliefs, today is my lucky day. create_db passed on a DEV_BUILD.

This is a great presentation, Jim throws in a lot of database history and insight into working with MySQL