first commit

target/classes/db/sys_user_role_add_enable.sql

@@ -0,0 +1,41 @@
+-- 用户角色关系增加启用状态，并按当前开启的教代会届次初始化历史数据。
+-- 脚本支持重复执行：字段已存在时不再重复修改表结构。
+SET @sys_user_role_enable_column_count = (
+    SELECT COUNT(*)
+    FROM information_schema.COLUMNS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'sys_user_role'
+      AND COLUMN_NAME = 'enable'
+);
+
+SET @sys_user_role_enable_ddl = IF(
+    @sys_user_role_enable_column_count = 0,
+    'ALTER TABLE sys_user_role ADD COLUMN enable TINYINT(1) NOT NULL DEFAULT 1 COMMENT ''是否启用：1启用，0禁用'' AFTER userId',
+    'SELECT 1'
+);
+
+PREPARE sys_user_role_enable_stmt FROM @sys_user_role_enable_ddl;
+EXECUTE sys_user_role_enable_stmt;
+DEALLOCATE PREPARE sys_user_role_enable_stmt;
+
+-- 普通角色不受教代会届次切换影响，历史数据统一保持启用。
+UPDATE sys_user_role
+SET enable = 1
+WHERE tcSessionId IS NULL OR tcSessionId = '';
+
+-- 历史教代会届次角色先全部禁用，再只启用当前开启的最新届次。
+UPDATE sys_user_role
+SET enable = 0
+WHERE tcSessionId IS NOT NULL AND tcSessionId <> '';
+
+SET @current_teacher_congress_session_id = (
+    SELECT id
+    FROM teacher_congress_session
+    WHERE enable = 1
+    ORDER BY startDate DESC, createdAt DESC, id DESC
+    LIMIT 1
+);
+
+UPDATE sys_user_role
+SET enable = 1
+WHERE tcSessionId = @current_teacher_congress_session_id;