What is this feature called in new Phoenix/Ecto?

We don’t see this in our Phoenix project, but I do see it in a new project I spun up to play with some tech.

What is that little arrow that tells me where the SQL query is originating from?

It seems very useful and I would like to include it in our project.


Looks like it was this PR in Ecto:

Available in Ecto 3.8 onwards


Thanks! I’ll try updating our Ecto version so we get this niceness.

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I had to update Ecto in mix.exs:

{:ecto_sql, "~> 3.8"},

And modify my Repo config in dev.exs:

# Configure your database
config :gaming, Gaming.Repo,
  # snip
  stacktrace: true # <- Add this.