35 lines
2.3 KiB
SQL
35 lines
2.3 KiB
SQL
SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;
|
||
|
||
-- 使用 utf8mb4 连接字符集，保证中文注释、中文名称和 emoji 在导入时不被降级。
|
||
|
||
CREATE DATABASE IF NOT EXISTS hyapp_notice
|
||
DEFAULT CHARACTER SET utf8mb4
|
||
DEFAULT COLLATE utf8mb4_unicode_ci;
|
||
|
||
USE hyapp_notice;
|
||
|
||
CREATE TABLE IF NOT EXISTS notice_delivery_events (
|
||
source_name VARCHAR(64) NOT NULL COMMENT '事件源服务或表名，例如钱包 outbox',
|
||
app_code VARCHAR(32) NOT NULL COMMENT '租户编码，必须和源 outbox 保持一致',
|
||
source_event_id VARCHAR(128) NOT NULL COMMENT '源事件幂等键',
|
||
channel VARCHAR(64) NOT NULL COMMENT '投递通道，例如腾讯云 IM 单聊',
|
||
notice_type VARCHAR(64) NOT NULL COMMENT '业务通知类型，例如钱包余额变更',
|
||
target_user_id BIGINT NOT NULL COMMENT '私有通知目标用户',
|
||
status VARCHAR(32) NOT NULL COMMENT '投递状态：投递中、已投递、可重试、失败',
|
||
retry_count INT NOT NULL DEFAULT 0 COMMENT '已尝试次数，达到上限后进入失败',
|
||
locked_by VARCHAR(128) NOT NULL DEFAULT '' COMMENT '当前抢占工作节点',
|
||
lock_until_ms BIGINT NOT NULL DEFAULT 0 COMMENT '抢占锁过期时间，UTC epoch ms',
|
||
next_retry_at_ms BIGINT NOT NULL DEFAULT 0 COMMENT '下一次允许重试时间，UTC epoch ms',
|
||
payload_json JSON NOT NULL COMMENT '发送给客户端的最终负载快照',
|
||
last_error TEXT NULL COMMENT '最后一次投递失败原因，限制在应用层截断',
|
||
delivered_at_ms BIGINT NOT NULL DEFAULT 0 COMMENT '成功投递时间，UTC epoch ms',
|
||
created_at_ms BIGINT NOT NULL COMMENT '通知位点创建时间，UTC epoch ms',
|
||
updated_at_ms BIGINT NOT NULL COMMENT '通知位点更新时间，UTC epoch ms',
|
||
PRIMARY KEY (source_name, app_code, source_event_id, channel),
|
||
KEY idx_notice_delivery_retry (source_name, app_code, channel, status, next_retry_at_ms, updated_at_ms),
|
||
KEY idx_notice_delivery_lock (source_name, app_code, channel, status, lock_until_ms, updated_at_ms),
|
||
KEY idx_notice_delivery_retention (app_code, status, updated_at_ms, source_name, source_event_id, channel),
|
||
KEY idx_notice_delivery_target (app_code, target_user_id, updated_at_ms)
|
||
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
|
||
COMMENT='通知服务外部通知投递位点和死信表';
|