16 lines
787 B
MySQL
16 lines
787 B
MySQL
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-- Append-only version history for the code-bearing entities: route handlers,
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-- template content, and db libraries. Every content-changing save records a
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-- snapshot here (see recordVersion in db.js). The live rows in routes/templates/
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-- dbs remain the current version; this table is the "plumber's" undo trail.
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CREATE TABLE versions (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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entity_type TEXT NOT NULL CHECK(entity_type IN ('route', 'template', 'db')),
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entity_id INTEGER NOT NULL,
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structure_id INTEGER,
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snapshot TEXT NOT NULL, -- JSON of the versioned fields
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX idx_versions_entity ON versions (entity_type, entity_id, id);
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CREATE INDEX idx_versions_structure ON versions (structure_id, id);
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