#2: add trading account type type and fix schema migrations machinery

brmbar3/schema/0002-trading-accounts.sql

@@ -0,0 +1,37 @@
+--
+-- 0002-trading-accounts.sql
+--
+-- #2 - add trading accounts to account type type
+--
+-- ISC License
+--
+-- Copyright 2023-2025 Brmlab, z.s.
+-- Dominik Pantůček <dominik.pantucek@trustica.cz>
+--
+-- Permission to use, copy, modify, and/or distribute this software
+-- for any purpose with or without fee is hereby granted, provided
+-- that the above copyright notice and this permission notice appear
+-- in all copies.
+-- 
+-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+-- CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+-- OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+-- NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+-- CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+--
+
+DO $upgrade_block$
+BEGIN
+
+IF brmbar_privileged.has_exact_schema_version(1) THEN
+
+  ALTER TYPE public.account_type ADD VALUE 'trading';
+  
+  PERFORM brmbar_privileged.upgrade_schema_version_to(2);
+END IF;
+
+END;
+$upgrade_block$;