记录重复投递 payload 差异
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-- M001 SourceMessage Inbox:重复投递 payload 差异明细表,只在幂等命中且 payload 内容变化时追加保存。
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CREATE TABLE platform_source_message_payload_duplicate (
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id BIGINT NOT NULL COMMENT '重复投递 payload 明细 ID',
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inbox_id BIGINT NOT NULL COMMENT '所属 SourceMessage Inbox 记录 ID,关联首次保存的来源消息',
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original_payload_sha256 CHAR(64) NOT NULL COMMENT '首次保存 payload 的 SHA-256 哈希,用于和重复投递 payload 对比',
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duplicate_payload_sha256 CHAR(64) NOT NULL COMMENT '本次重复投递 payload 的 SHA-256 哈希',
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payload_json LONGTEXT NOT NULL COMMENT '本次重复投递的 AgentBus 规范 JSON 原始载荷,普通查询接口不得返回',
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provider_frame_id VARCHAR(128) NULL COMMENT '本次重复投递的 AgentBus frame ID,仅用于排查推送帧',
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provider_session_id VARCHAR(128) NULL COMMENT '本次重复投递的 AgentBus session ID,仅用于排查连接会话',
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schema_version VARCHAR(64) NULL COMMENT '本次重复投递 payload 结构版本,AgentBus 有提供则保存',
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received_at DATETIME(6) NOT NULL COMMENT '本项目收到本次重复投递的 UTC 时间',
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created_at DATETIME(6) NOT NULL COMMENT '记录创建 UTC 时间',
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PRIMARY KEY (id),
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KEY idx_source_message_payload_duplicate_inbox_time (inbox_id, received_at),
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KEY idx_source_message_payload_duplicate_hash (duplicate_payload_sha256),
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KEY idx_source_message_payload_duplicate_frame (provider_frame_id)
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) COMMENT='SourceMessage 重复投递 payload 差异明细表,用于排查同一外部邮件 ID 的重复投递内容变化';
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