23 lines
1.1 KiB
SQL
23 lines
1.1 KiB
SQL
-- ============================================================
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-- 表7：system_causal_chains（Layer 1 · 因果链表）
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-- 用途：存储从冰朔原话到工程落点的完整推导链
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-- 每条决策都有从冰朔原话到工程落点的完整因果链条
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-- ============================================================
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CREATE TABLE IF NOT EXISTS system_causal_chains (
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chain_id VARCHAR(32) PRIMARY KEY,
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title VARCHAR(256) NOT NULL,
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description TEXT,
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ice_original TEXT NOT NULL, -- 冰朔原话
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engineering_path TEXT NOT NULL, -- 工程落点
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verification TEXT, -- 验证方式
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status VARCHAR(16) NOT NULL DEFAULT 'active'
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CHECK (status IN ('active', 'deprecated')),
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version VARCHAR(16) NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_scc_status ON system_causal_chains(status);
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CREATE INDEX IF NOT EXISTS idx_scc_version ON system_causal_chains(version);
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