Store daily exchange rates in PostgreSQL with EUR/DKK cross rate. Seed rates atom from DB on startup so WebSocket works immediately even if Frankfurter is unreachable. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
8 lines
208 B
SQL
8 lines
208 B
SQL
CREATE TABLE currencies (
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rate_date DATE PRIMARY KEY,
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eur NUMERIC(12,6) NOT NULL,
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dkk NUMERIC(12,6) NOT NULL,
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eur_dkk NUMERIC(12,6) NOT NULL,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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