Kairo-Jinkendo/backend/migrations/003_data_seeds_tracking.sql

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-- Tracking für idempotente Data-Seeds (Checksum-basiert, bei Änderung erneut ausführbar)
CREATE TABLE IF NOT EXISTS data_seeds (
seed_name VARCHAR(255) PRIMARY KEY,
checksum VARCHAR(64) NOT NULL,
executed_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
last_run_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);