365c36d97b
- 0011: RBAC role flags and seed data - 0012: diagnostic grade_id - 0013: message recall - 0014: message templates - 0015: group messages and message reports/blocks - 0016: invitation codes - 0017: draft device sync - 0018: attendance status reason - 0019: attendance warning thresholds - 0020: leave requests - 0021: attendance period
3 lines
107 B
SQL
3 lines
107 B
SQL
-- P2-4: 消息撤回功能（2 分钟窗口）
|
||
ALTER TABLE `messages` ADD COLUMN `recalled_at` timestamp;
|