Added user name history beginnings.

database/2025_02_09_005714_created_user_name_history_table.php

@@ -0,0 +1,28 @@
+<?php
+use Index\Db\DbConnection;
+use Index\Db\Migration\DbMigration;
+
+final class CreatedUserNameHistoryTable_20250209_005714 implements DbMigration {
+    public function migrate(DbConnection $conn): void {
+        $conn->execute(<<<SQL
+            CREATE TABLE msz_users_names_history (
+                history_id          INT(10) UNSIGNED    NOT NULL AUTO_INCREMENT,
+                user_id             INT(10) UNSIGNED        NULL DEFAULT NULL,
+                history_name_before VARCHAR(255)        NOT NULL COLLATE 'utf8mb4_unicode_520_ci',
+                history_name_after  VARCHAR(255)        NOT NULL COLLATE 'utf8mb4_unicode_520_ci',
+                history_private     TINYINT(3) UNSIGNED NOT NULL DEFAULT '0',
+                history_created     TIMESTAMP           NOT NULL DEFAULT current_timestamp(),
+                PRIMARY KEY (history_id),
+                INDEX users_names_history_users_foreign (user_id),
+                INDEX users_names_history_name_before_index (history_name_before),
+                INDEX users_names_history_created_index (history_created),
+                INDEX users_names_history_private_index (history_private),
+                CONSTRAINT users_names_history_users_foreign
+                    FOREIGN KEY (user_id)
+                    REFERENCES msz_users (user_id)
+                    ON UPDATE CASCADE
+                    ON DELETE SET NULL
+            ) COLLATE='utf8mb4_bin';
+        SQL);
+    }
+}