29 lines
1.9 KiB
SQL
29 lines
1.9 KiB
SQL
CREATE DATABASE IF NOT EXISTS hyapp_notice
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DEFAULT CHARACTER SET utf8mb4
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DEFAULT COLLATE utf8mb4_unicode_ci;
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USE hyapp_notice;
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CREATE TABLE IF NOT EXISTS notice_delivery_events (
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source_name VARCHAR(64) NOT NULL COMMENT '事件源表或服务名，例如 wallet_outbox',
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app_code VARCHAR(32) NOT NULL COMMENT '租户编码，必须和源 outbox 保持一致',
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source_event_id VARCHAR(128) NOT NULL COMMENT '源事件幂等键',
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channel VARCHAR(64) NOT NULL COMMENT '投递通道，例如 tencent_im_c2c',
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notice_type VARCHAR(64) NOT NULL COMMENT '业务通知类型，例如 WalletBalanceChanged',
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target_user_id BIGINT NOT NULL COMMENT '私有通知目标用户',
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status VARCHAR(32) NOT NULL COMMENT 'delivering/delivered/retryable/failed',
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retry_count INT NOT NULL DEFAULT 0 COMMENT '已尝试次数，达到上限后进入 failed',
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locked_by VARCHAR(128) NOT NULL DEFAULT '' COMMENT '当前抢占 worker',
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lock_until_ms BIGINT NOT NULL DEFAULT 0 COMMENT '抢占锁过期时间，UTC epoch ms',
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next_retry_at_ms BIGINT NOT NULL DEFAULT 0 COMMENT '下一次允许重试时间，UTC epoch ms',
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payload_json JSON NOT NULL COMMENT '发送给客户端的最终负载快照',
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last_error TEXT NULL COMMENT '最后一次投递失败原因，限制在应用层截断',
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delivered_at_ms BIGINT NOT NULL DEFAULT 0 COMMENT '成功投递时间，UTC epoch ms',
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created_at_ms BIGINT NOT NULL COMMENT 'notice 位点创建时间，UTC epoch ms',
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updated_at_ms BIGINT NOT NULL COMMENT 'notice 位点更新时间，UTC epoch ms',
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PRIMARY KEY (source_name, app_code, source_event_id, channel),
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KEY idx_notice_delivery_pending (status, next_retry_at_ms, lock_until_ms, updated_at_ms),
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KEY idx_notice_delivery_target (app_code, target_user_id, updated_at_ms)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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COMMENT='notice-service 外部通知投递位点和死信表';
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