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Elixir

A collection of 2 posts

How to update multiple records with different values in Ecto.Repo.update_all

How to update multiple records with different values in Ecto.Repo.update_all

I recently ran into a problem where I wanted to update many database records with a single update_all/2. In this particular case, I was dealing with a table that leveraged parent_id to model a basic parent-child hierarchy. id parent_id name 1 NULL root 2 1 child

Detecting unused database columns using Ecto schemas

Detecting unused database columns using Ecto schemas

When building large database-backed Elixir applications using Ecto, it is inevitable for your database schema to evolve over time. As your database schema changes, it's possible for there to be discrepancies between the tables in the database and your local schema definitions. Tracking inconsistencies between the schema defined