42 lines
1.6 KiB
SQL
42 lines
1.6 KiB
SQL
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-- v3 达梦升级：为事实事务外的可靠日统计投影建立 Outbox 和消费幂等表。
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-- 仅在 01 预检通过后执行一次；不要重复执行。
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CREATE TABLE stats_projection_outbox (
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event_id VARCHAR2(64) NOT NULL,
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event_schema VARCHAR2(64) NOT NULL,
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payload CLOB NOT NULL,
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status VARCHAR2(16) DEFAULT 'PENDING' NOT NULL,
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attempt_count INT DEFAULT 0 NOT NULL,
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next_attempt_at TIMESTAMP DEFAULT SYSDATE,
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published_at TIMESTAMP,
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applied_at TIMESTAMP,
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last_error VARCHAR2(2000),
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created_at TIMESTAMP DEFAULT SYSDATE NOT NULL,
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updated_at TIMESTAMP DEFAULT SYSDATE NOT NULL,
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CONSTRAINT pk_stats_projection_outbox PRIMARY KEY(event_id),
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CONSTRAINT ck_stats_projection_outbox_status
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CHECK(status IN ('PENDING','FAILED','PUBLISHED','APPLIED'))
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);
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CREATE INDEX idx_stats_projection_outbox_due
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ON stats_projection_outbox(status,next_attempt_at,created_at);
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CREATE TABLE stats_projection_applied_event (
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event_id VARCHAR2(64) NOT NULL,
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event_schema VARCHAR2(64) NOT NULL,
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applied_at TIMESTAMP DEFAULT SYSDATE NOT NULL,
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CONSTRAINT pk_stats_projection_applied PRIMARY KEY(event_id)
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);
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CREATE INDEX idx_stats_projection_applied_time
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ON stats_projection_applied_event(applied_at);
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COMMENT ON TABLE stats_projection_outbox IS
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'事实批次统计 Outbox；Kafka 发布或消费失败时可持续恢复';
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COMMENT ON COLUMN stats_projection_outbox.status IS
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'PENDING/FAILED/PUBLISHED/APPLIED；只有 APPLIED 才允许到期清理';
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COMMENT ON TABLE stats_projection_applied_event IS
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'统计投影消费幂等标记；保留时间必须长于 STATS.PROJECTION Topic';
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COMMIT;
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