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
4 lines
212 B
SQL
4 lines
212 B
SQL
-- P2-2: 群组消息（教师→全班家长，fan-out on write）
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ALTER TABLE `messages` ADD COLUMN `group_message_id` varchar(128);
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CREATE INDEX `messages_group_message_idx` ON `messages`(`group_message_id`);
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