Just a Theory

Sqitch on Oracle

I found myself with a little unexpected time at work recently, and since we use Oracle (for a few more months), I decided to port Sqitch. Last night, I released v0.970 with full support for Oracle. I did the development against an 11.2 VirtualBox VM, though I think it should work on 10g, as well.

Sqitch: Now with SQLite Support

This week I released Sqitch v0.961. There are a number of great new features v0.95x, including the beginning of two features I’ve had in mind since the beginning: VCS integration and support for multiple databases.

Sqitch on Windows (and Linux, Solaris, and OS X)

Thanks to the hard-working hamsters at the ActiveState PPM Index, Sqitch is available for installation on Windows. According to the Sqitch PPM Build Status, the latest version is now available for installation. All you have to do is:

Sqitch Homebrew Tap

If Sqitch is to succeed, it needs to get into the hands of as many people as possible. That means making it easy to install for people who are not Perl hackers and don’t want to deal with CPAN. The Sqitch Homebrew Tap is my first public stab at that. It provides a series of “Formulas” for Homebrew users to easily download, build, and install Sqitch and all of its dependencies.

Bootstrapping Bucardo Master/Master Replication

Let’s say you have a production database up and running and you want to set up a second database with Bucardo-powered replication between them. Getting a new master up and running without downtime for an existing master, and without losing any data, is a bit fiddly and under-documented. Having just figured out one way to do it with the forthcoming Bucardo 5 code base, I wanted to blog it as much for my own reference as for yours.

Sqitch: Trust, But Verify

New today: Sqitch v0.950. There are a few bug fixes, but the most interesting new feature in this release is the verify command, as well as the complementary --verify option to the deploy command. The add command has created test scripts since the beginning; they were renamed verify in v0.940. In v0.950 these scripts are actually made useful.

Sqitch Update: All Your Rebase Are…Never Mind

I’m pleased to announce the release of Sqitch v0.940. The focus of this release? Sanity.

New in PostgreSQL 9.2: format()

There’s a new feature in PostgreSQL 9.2 that I don’t recall seeing blogged about elsewhere: the format() function. From the docs:

Thinking about Changing Sqitch Change IDs

When Sqitch, (the database change management app I’ve been working on for the last several months) parses a deployment plan, it creates a unique ID for each change in the plan. This ID is a SHA1 hash generated from information about the change, which is a string that looks something like this:

Mocking Serialization Failures

I’ve been hacking on the forthcoming Bucardo 5 code base the last couple weeks, as we’re going to start using it pretty extensively at work, and it needed a little love to get it closer to release. The biggest issue I fixed was the handling of serialization failures.

Sqitch Symbolism

It has been a while since I last blogged about Sqitch. The silence is in part due to the fact that I’ve moved from full-time Sqitch development to actually putting it to use building databases at work. This is exciting, because it needs the real-world experience to grow up.

Sqitch: Depend On It!

Sqitch v0.90 dropped last week (updated to v0.902 today). The focus of this release of the “sane database change management” app was cross-project dependencies. Jim Nasby first put the idea for this feature into my head, and then I discovered that our first Sqitch-using project at work needs it, so blame them.

Sqitch v0.80: Now With More You

Last night, I uploaded Sqitch v0.80, the latest dev release of the simple database change management system I’ve been working on. I’m kind of stunned by the sheer number of changes in this release, given that the interface has not changed much. Mainly, there’s more you in this version. That is, like Git, the first thing you’ll want to do after installing Git is tell it who you are:

Sqitch’s Log

Just uploaded Sqitch v0.70 and v0.71. The big change is the introduction of the log command, which allows one to view the deployment history in a database. All events are logged and searchable, including deploys, failed deploys, and reverts. Unlike most other database migration systems, Sqitch has the whole history, so even if you revert back to the very beginning, there is still a record of everything that happened.

Sqitch Status: Add User Info?

Before I make a non-dev release of Sqitch, I want to make sure that the plan file format is nailed down. I’m pretty happy with where it is right now, but there are a couple of changes I’m considering making now, in anticipation of possibly having to make them later. And I want your help deciding what to change.