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Displaying posts with tag: Drizzle Tools (reset)

First version of Drizzle Tools for MySQL servers released
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Today marks the first release of Drizzle Tools for MySQL servers.  Drizzle Tools aims to be a collection of useful utilities to use with MySQL servers based around the work on the Libdrizzle Redux project.

In this first version there is one utility in the tree called 'drizzle-binlogs'.  If you've seen me talk about this tool before it is because it used to be included in the Libdrizzle 5.1 source but has now been moved here to be developed independently.  For those who haven't 'drizzle-binlogs' is a tool which connects to a MySQL server as a slave, retrieves the …

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Using the Libdrizzle Binlog API
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Now that we have frozen the 5.1 API of Libdrizzle I can blog about how to use parts of the API.

In this blog post I will cover connecting to a MySQL server and retrieving the binary logs.

First of all we need to connect to the MySQL server

#include <libdrizzle-5.1/libdrizzle.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <inttypes.h>

int main(void)
{
  drizzle_st *con;
  drizzle_binlog_st *binlog;
  drizzle_return_t ret;
 
  con= …

















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Libdrizzle 5.1.3 released
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A couple of days ago we released Libdrizzle 5.1.3.  With this release of the C connector for MySQL servers we are freezing the 5.1 API and declaring it stable.  This is also one of our biggest releases after incorporating code from a Seattle developer day.  The diff since 5.1.2 is over 6000 lines long and around 180KBytes, incorporating many bug fixes and improvements.

The most notable changes in this release are:

  • the drizzle_binlogs tool has been removed, it is now in the Drizzle Tools tree which will have its first release soon.
  • the …



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Developing Libdrizzle
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This weekend I am supposed to be giving a talk at FOSDEM on Libdrizzle.  Unfortunately my kids and I all fell ill on Thursday (my wife appears to be immune) so I had to cancel my plans (infecting 5000 people didn't seem wise :)

Instead I am writing this blog post about Libdrizzle and my part in it which covers some of what I was going to talk about.

History of LibdrizzleLibdrizzle started out as a from-scratch C connector for Drizzle and MySQL originally created by Eric Day.  It was designed to be high performance and use common standards to make it easy to work …



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Introducing Drizzle Tools
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As part of the Libdrizzle Redux project I created an example tool which was bundled with it which will connect to a MySQL server as a slave and download the binary logs to local files.  This was developed as a quick example of what can be done with the new binlog API.

Two things quickly became apparent:

  1. We shouldn't really be distributing applications in a library
  2. I am going to be developing more useful tools around libdrizzle and they certainly shouldn't be in the same package
  3. BSD is a fantastic license for a library, but I personally prefer GPLv2 for applications

With this in mind …




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