12 lines
313 B
SQL
12 lines
313 B
SQL
CREATE TABLE IF NOT EXISTS document_versions (
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id TEXT PRIMARY KEY,
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document_id TEXT NOT NULL,
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hash TEXT NOT NULL,
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previous_hash TEXT,
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created_at TEXT NOT NULL,
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change_summary TEXT,
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UNIQUE(document_id, hash),
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FOREIGN KEY(document_id) REFERENCES documents(id) ON DELETE CASCADE
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);
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