Add ash framework

priv/repo/migrations/20250421101957_initialize_extensions_1.exs

@@ -0,0 +1,150 @@
+defmodule Mv.Repo.Migrations.InitializeExtensions1 do
+  @moduledoc """
+  Installs any extensions that are mentioned in the repo's `installed_extensions/0` callback
+
+  This file was autogenerated with `mix ash_postgres.generate_migrations`
+  """
+
+  use Ecto.Migration
+
+  def up do
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_elixir_or(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
+    AS $$ SELECT COALESCE(NULLIF($1, FALSE), $2) $$
+    LANGUAGE SQL
+    SET search_path = ''
+    IMMUTABLE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_elixir_or(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
+    AS $$ SELECT COALESCE($1, $2) $$
+    LANGUAGE SQL
+    SET search_path = ''
+    IMMUTABLE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_elixir_and(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
+      SELECT CASE
+        WHEN $1 IS TRUE THEN $2
+        ELSE $1
+      END $$
+    LANGUAGE SQL
+    SET search_path = ''
+    IMMUTABLE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_elixir_and(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
+      SELECT CASE
+        WHEN $1 IS NOT NULL THEN $2
+        ELSE $1
+      END $$
+    LANGUAGE SQL
+    SET search_path = ''
+    IMMUTABLE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_trim_whitespace(arr text[])
+    RETURNS text[] AS $$
+    DECLARE
+        start_index INT = 1;
+        end_index INT = array_length(arr, 1);
+    BEGIN
+        WHILE start_index <= end_index AND arr[start_index] = '' LOOP
+            start_index := start_index + 1;
+        END LOOP;
+
+        WHILE end_index >= start_index AND arr[end_index] = '' LOOP
+            end_index := end_index - 1;
+        END LOOP;
+
+        IF start_index > end_index THEN
+            RETURN ARRAY[]::text[];
+        ELSE
+            RETURN arr[start_index : end_index];
+        END IF;
+    END; $$
+    LANGUAGE plpgsql
+    SET search_path = ''
+    IMMUTABLE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_raise_error(json_data jsonb)
+    RETURNS BOOLEAN AS $$
+    BEGIN
+        -- Raise an error with the provided JSON data.
+        -- The JSON object is converted to text for inclusion in the error message.
+        RAISE EXCEPTION 'ash_error: %', json_data::text;
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql
+    STABLE
+    SET search_path = '';
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION ash_raise_error(json_data jsonb, type_signal ANYCOMPATIBLE)
+    RETURNS ANYCOMPATIBLE AS $$
+    BEGIN
+        -- Raise an error with the provided JSON data.
+        -- The JSON object is converted to text for inclusion in the error message.
+        RAISE EXCEPTION 'ash_error: %', json_data::text;
+        RETURN NULL;
+    END;
+    $$ LANGUAGE plpgsql
+    STABLE
+    SET search_path = '';
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION uuid_generate_v7()
+    RETURNS UUID
+    AS $$
+    DECLARE
+      timestamp    TIMESTAMPTZ;
+      microseconds INT;
+    BEGIN
+      timestamp    = clock_timestamp();
+      microseconds = (cast(extract(microseconds FROM timestamp)::INT - (floor(extract(milliseconds FROM timestamp))::INT * 1000) AS DOUBLE PRECISION) * 4.096)::INT;
+
+      RETURN encode(
+        set_byte(
+          set_byte(
+            overlay(uuid_send(gen_random_uuid()) placing substring(int8send(floor(extract(epoch FROM timestamp) * 1000)::BIGINT) FROM 3) FROM 1 FOR 6
+          ),
+          6, (b'0111' || (microseconds >> 8)::bit(4))::bit(8)::int
+        ),
+        7, microseconds::bit(8)::int
+      ),
+      'hex')::UUID;
+    END
+    $$
+    LANGUAGE PLPGSQL
+    SET search_path = ''
+    VOLATILE;
+    """)
+
+    execute("""
+    CREATE OR REPLACE FUNCTION timestamp_from_uuid_v7(_uuid uuid)
+    RETURNS TIMESTAMP WITHOUT TIME ZONE
+    AS $$
+      SELECT to_timestamp(('x0000' || substr(_uuid::TEXT, 1, 8) || substr(_uuid::TEXT, 10, 4))::BIT(64)::BIGINT::NUMERIC / 1000);
+    $$
+    LANGUAGE SQL
+    SET search_path = ''
+    IMMUTABLE PARALLEL SAFE STRICT;
+    """)
+  end
+
+  def down do
+    # Uncomment this if you actually want to uninstall the extensions
+    # when this migration is rolled back:
+    execute(
+      "DROP FUNCTION IF EXISTS uuid_generate_v7(), timestamp_from_uuid_v7(uuid), ash_raise_error(jsonb), ash_raise_error(jsonb, ANYCOMPATIBLE), ash_elixir_and(BOOLEAN, ANYCOMPATIBLE), ash_elixir_and(ANYCOMPATIBLE, ANYCOMPATIBLE), ash_elixir_or(ANYCOMPATIBLE, ANYCOMPATIBLE), ash_elixir_or(BOOLEAN, ANYCOMPATIBLE), ash_trim_whitespace(text[])"
+    )
+  end
+end