English

The Python programming language is, I think, a fantastic tool. But there is two fucking thing that really makes me sad: packaging and dependency management. Today, my Linux distribution, Arch, decide that it was OK to migrate python 3.8. And it broke tons of shit on my machine. So I took a moment to re-install and harden stuff so that it doesn’t happen again. Pyenv To Have Multiple Version I use Pyenv with the plugin to handle virtualenv. I use to rely on pew. But pew rely on the system Python. So today I couldn’t use my virtualenv… pew is a great tool but I don’t know why it use a fork of pythonz to handle version management. Latest version that you can install with pew is 3.5. 3.5 was release in 2015 ...

I see a lot project using timestamp data type in there databases. I tend to think that this is a bad idea. Dev Is Not Prod Your local setup may have a timezone which reflect your physical location. This may not be the case of your server(s), which could have a specific timezone, or, UTC time. Which is better by the way (more on than later). So you will experience bug and issues if you do not pay attention to it. ...

I recently migrate a PostgreSQL DB from an ubuntu server VM to Azure PostgreSQL. If you use this DBaaS before, you may have noticed you need to add @<my_instance_name> after your login. For exemple if you create a test_azure_db, your url for this PostgreSQL instance is test_azure_db.postgres.database.azure.com. And imagine the name of your user is remi, to login you need to do psql -h test_azure_db.postgres.database.azure.com -U remi@test_azure. I don’t know what sort of magic Azure is doing, but it gave me an idea. You are a software editor company. Every company now have a SaaS product. But then you have this client, that have special needs, so you create a db for him. And then, Sales sell access to the db (or a replica) “for BI purpose” they say. But, hey, in PostgreSQL there are no way to limit the db a user can see. Plus this client want to be superuser, you know, reasons. ...

Recently I though about (re)starting a blog, but didn’t find subject to fill it. Then I got a new job with tons of news subject to learn and I need a place to store it, maybe it will help some. Enjoy. Right Management in Postgresql @Fibrea we use postgresql a lot, it’s the heart of our system. Operating this DB day to day is quite challenging some time. So here is what I understand from my experience and reading on right management in postgresql. ...