rafapolo 606536fb4a Fix warm-up blocking: use LIMIT 1 instead of COUNT(*) ...

COUNT(*) on large tables (CNPJ, RAIS) held the lock for 30s+ each,
blocking all incoming queries during startup. LIMIT 1 warms the S3
file-listing cache in < 1s per table without reading all Parquet footers.

2026-05-17 11:35:58 +02:00

7.4 KiB

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