Lab Notes: Extending Support for Scalar Subqueries
In this post, I will introduce scalar subqueries, explain what challenges we faced extending this feature in CrateDB, and then show you how we addressed those challenges.
Lab Notes: Implementing Non-Collapsable Subselects
CrateDB now supports non-collapsable subselects. Let us introduce you to the problem, and show you the steps Crate.io took to solve it.
Lab Notes: Query Execution Pipeline Overhaul
Engineering blog post explaining the CrateDB query processing pipeline and recent modifications to improve it.