change to dates, add migration script

setup/migrate-venice.sql

@@ -0,0 +1,47 @@
+# MySQL script for migrating a Venice database to the Amsterdam schema.
+# Written by Amy Bowersox <amy@erbosoft.com>
+#---------------------------------------------------------------------------
+# Amsterdam Web Communities System
+# Copyright (c) 2025-2026 Erbosoft Metaverse Design Solutions, All Rights Reserved
+# 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+#
+
+ALTER TABLE globals RENAME COLUMN max_sig_mbr_page TO max_comm_mbr_page;
+ALTER TABLE globals RENAME COLUMN sig_create_lvl TO comm_create_lvl;
+
+ALTER TABLE audit RENAME COLUMN sigid TO commid;
+ALTER TABLE audit RENAME INDEX sig_view TO comm_view;
+
+ALTER TABLE contacts RENAME COLUMN owner_sigid TO owner_commid;
+
+ALTER TABLE sigs RENAME COLUMN sigid TO commid;
+ALTER TABLE sigs RENAME COLUMN signame TO commname;
+ALTER TABLE sigs RENAME AS communities;
+
+ALTER TABLE sigftrs RENAME COLUMN sigid TO commid;
+ALTER TABLE sigftrs RENAME AS commftrs;
+
+ALTER TABLE sigmember RENAME COLUMN sigid TO commid;
+ALTER TABLE sigmember RENAME AS commmember;
+
+ALTER TABLE sigban RENAME COLUMN sigid TO commid;
+ALTER TABLE sigban RENAME AS commban;
+
+ALTER TABLE sigtoconf RENAME COLUMN sigid TO commid;
+ALTER TABLE sigtoconf RENAME AS commtoconf;
+
+ALTER TABLE confhotlist RENAME COLUMN sigid TO commid;
+
+ALTER TABLE postpublish RENAME COLUMN sigid TO commid;
+
+ALTER TABLE ipban DROP INDEX by_mask;
+ALTER TABLE ipban DROP COLUMN address;
+ALTER TABLE ipban DROP COLUMN mask;
+ALTER TABLE ipban ADD COLUMN mask_hi BIGINT UNSIGNED NOT NULL AFTER id;
+ALTER TABLE ipban ADD COLUMN mask_lo BIGINT UNSIGNED NOT NULL AFTER id;
+ALTER TABLE ipban ADD COLUMN address_hi BIGINT UNSIGNED NOT NULL AFTER id;
+ALTER TABLE ipban ADD COLUMN address_lo BIGINT UNSIGNED NOT NULL AFTER id;
+ALTER TABLE ipban ADD INDEX by_mask (mask_hi, mask_lo);