moved Venice migration script into embeds as well

database/base.go

@@ -38,6 +38,9 @@ var errMySQLNoColumn = &mysql.MySQLError{Number: 1054}
 //go:embed mysql-install.sql
 var installScriptMySQL string
 
+//go:embed mysql-convert.sql
+var convertScriptMySQL string
+
 // amdb is the reference to the Amsterdam database.
 var amdb *sqlx.DB
 
@@ -82,6 +85,16 @@ func databaseInstallScript() (string, error) {
 	}
 }
 
+// databaseConvertScript returns the script to convert a Venice database to Amsterdam.
+func databaseConvertScript() (string, error) {
+	switch config.GlobalComputedConfig.DatabaseDriver {
+	case "mysql":
+		return convertScriptMySQL, nil
+	default: // N.B.: Not to be implemented for any database type besides MySQL!
+		return "", fmt.Errorf("No conversion script for database driver: %s", config.GlobalComputedConfig.DatabaseDriver)
+	}
+}
+
 // prepareDB prepares the database if it's not yet been loaded.
 func prepareDB() (string, error) {
 	dsn := buildMysqlDSN(true)
@@ -106,14 +119,20 @@ func prepareDB() (string, error) {
 			if err != nil {
 				return "", fmt.Errorf("Failure of install script: %w", err)
 			}
-			version, err = databaseVersionNumber(db)
+		case classNeedConvert:
+			convertScript, err := databaseConvertScript()
 			if err != nil {
 				return "", err
 			}
-		case classNeedConvert:
-			// TODO
+			_, err = db.Exec(convertScript)
+			if err != nil {
+				return "", fmt.Errorf("Failure of conversion script: %w", err)
+			}
+		}
+		version, err = databaseVersionNumber(db)
+		if err != nil {
+			return "", err
 		}
-		err = nil // if get here, we are OK to go
 	}
 	// TODO: apply migration scripts
 	return version, err

database/mysql-convert.sql

@@ -0,0 +1,53 @@
+# 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/.
+#
+# SPDX-License-Identifier: 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);
+
+ALTER TABLE users MODIFY COLUMN email_confnum INT DEFAULT 0;
+
+DROP TABLE refaudit;
+
+ALTER TABLE globals ADD COLUMN version CHAR(10) FIRST;
+UPDATE globals SET version = '2026030501';
+ALTER TABLE globals MODIFY COLUMN version CHAR(10) NOT NULL;