There are a lot of use cases and functionality that we did not cover in this lesson, such as schemaless changesets that you can use to validate any data or dealing with side-effects alongside the changeset ( prepare_changes/2) or working with associations and embeds. How do I convert the NaiveDatetime to the right format I've tried something like this: shiftedinsertedat mything.insertedat > omnaive ('Etc/UTC') > Timex.shift (days: 10) mything > (shiftedinsertedat: shiftedinsertedat) > Repo. schema/2 is typically used to map data from a persisted source, usually a database table, into Elixir structs and vice-versa. When to use change vs cast For internal data, use change. (The final argument of each is optional). The definition of the schema is possible through two main APIs: schema/2 and embeddedschema/1. Ecto has two nifty methods for working with associated records in a changeset. Watch on Topics: Ecto Beginner Changesets There are two ways of making an Ecto changeset. registration_changeset ( params ) |> Repo. An Ecto schema maps external data into Elixir structs. Let’s look at an empty %Changeset |> Friends.Person.
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