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AshPostgres supports all capabilities of an Ash data layer, and it willmost likely stay that way, as postgres is the primary target/most maintaineddata layer.

Custom Predicates:

• AshPostgres.Predicates.Trigram

See the DSL documentation inAshPostgres.DataLayer for DSL documentation

First, ensure you've added ash_postgres to yourmix.exs file.

{:ash_postgres,"~> x.y.z"}

To use this data layer, you need to chage your Ecto Repo's fromuse Ecto.Repo,touse AshPostgres.Repo. because AshPostgres adds functionality to Ecto Repos.

Then, configure each of yourAsh.Resource resources by addinguse Ash.Resource, data_layer: AshPostgres.DataLayer like so:

defmoduleMyApp.SomeResourcedouseAsh.Resource,data_layer:AshPostgres.DataLayerpostgresdorepoMyApp.Repotable"table_name"endattributesdo# ... Attribute definitionsendend

See the documentation forMix.Tasks.AshPostgres.GenerateMigrations for how to generatemigrations from your resources