ash_postgres v0.40.9 AshPostgres.Repo behaviour View Source

Resources that use the AshPostgres data layer use a Repo to access the database.

This repo is a slightly modified version of an Ecto.Repo.

You can use Ecto.Repo's init/2 to configure your repo like normal, but instead of returning {:ok, config}, use super(config) to pass the configuration to the AshPostgres.Repo implementation.

Installed Extensions

To configure your list of installed extensions, define installed_extensions/0

Extensions that are relevant to ash_postgres:

"uuid-ossp" - Sets UUID primary keys defaults in the migration generator
"pg_trgm" - Makes the AshPostgres.Predicates.Trigram custom predicate available
"citext" - Allows case insensitive fields to be used

def installed_extensions() do
  ["pg_trgm", "uuid-ossp"]
end

Link to this section Summary

Callbacks

all_tenants()

Return a list of all schema names (only relevant for a multitenant implementation)

default_prefix()

The default prefix(postgres schema) to use when building queries

installed_extensions()

Use this to inform the data layer about what extensions are installed

migrations_path()

The path where your migrations are stored

tenant_migrations_path()

The path where your tenant migrations are stored (only relevant for a multitenant implementation)

Link to this section Callbacks

all_tenants()

Specs

all_tenants() :: [String.t()]

Return a list of all schema names (only relevant for a multitenant implementation)

default_prefix()

Specs

default_prefix() :: String.t()

The default prefix(postgres schema) to use when building queries

installed_extensions()

Specs

installed_extensions() :: [String.t()]

Use this to inform the data layer about what extensions are installed

migrations_path()

Specs

migrations_path() :: String.t()

The path where your migrations are stored

tenant_migrations_path()

Specs

tenant_migrations_path() :: String.t()

The path where your tenant migrations are stored (only relevant for a multitenant implementation)