Exclusion constraints in PostgreSQL and a tricky problem
Exclusion constraints are a feature that is not very well known, but can be used to implement highly sophisticated constraints. A few years ago, Hans wrote his blog post about EXCLUDE USING GIST… WITH. Recently we received a note from someone dealing with a very tricky problem concerning exclusion constraints: (many thanks to @necrotikS at […]
Reproducible builds: a PostgreSQL query optimization example
This post shows how to optimize a slow query that came out of the Reproducible Builds project. The Reproducible Builds initiative aims to make software compilation entirely deterministic, with no variation in the output when the build is run again. This makes software supply chain attacks much harder, but has also advantages for software quality […]