{"database": "bger_database", "table": "processed_files", "rows": [["CH_BGE_001_BGE-121-I-138_1995-04-19.json", "2026-05-01"]], "columns": ["filename", "processed_at"], "primary_keys": ["filename"], "primary_key_values": ["CH_BGE_001_BGE-121-I-138_1995-04-19.json"], "units": {}, "query_ms": 0.8520599803887308}