add pack lot number to search

priv/repo/migrations/20230415033450_add_pack_lot_number_to_search.exs

@@ -0,0 +1,34 @@
+defmodule Cannery.Repo.Migrations.AddPackLotNumberToSearch do
+  use Ecto.Migration
+
+  def up do
+    execute "ALTER TABLE packs DROP COLUMN search"
+
+    execute """
+    ALTER TABLE packs
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("notes", '')), 'A') ||
+        setweight(to_tsvector('english', coalesce("lot_number", '')), 'A') ||
+        setweight(to_tsvector('english', immutable_to_string("price_paid", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("purchased_on", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("count", '')), 'C')
+      ) STORED
+    """
+  end
+
+  def down do
+    execute "ALTER TABLE packs DROP COLUMN search"
+
+    execute """
+    ALTER TABLE packs
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("notes", '')), 'A') ||
+        setweight(to_tsvector('english', immutable_to_string("price_paid", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("purchased_on", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("count", '')), 'C')
+      ) STORED
+    """
+  end
+end