In a recent post we extolled the virtues of creating your own brand new operators in PostgreSQL. SELECT =^_^= FROM happycats; That’s well and good, but the output was a little lacklustre, returning “meow” for every tuple. We’d like to make it more interesting, and one way to add interesting functionality to Postgres is to […]
Perhaps you’ve thought I wish I had more cats in my Postgres database before. We certainly have. Just the other day we were lamenting some of the differences between MySQL and PostgreSQL, particularly the way that MySQL has case-insensitive matching using the LIKE operator, while Postgres has LIKE and ILIKE. This got us thinking, it’d […]
We came across this interesting article recently, it’s about how an attacker can perform a denial-of-service attack by feeding perverse input to a system that uses weak hashing algorithms. This is referred to as a Hash DoS, and the specific target mentioned in the article is btrfs. btrfs is a next-gen filesystem that’s expected to […]
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