<invoke name="query_sql"> <parameter name="sql">SELECT date_trunc('day', _ingestion_timestamp) AS ingest_day, _batch_id, COUNT(*) AS rows_loaded, MIN(_ingestion_timestamp) AS first_ts, MAX(_ingestion_timestamp) AS last_ts FROM raw.bedtime_screentime_sleep_debt GROUP BY 1, 2 ORDER BY 1, 2</parameter> <parameter name="purpose">Check whether the only timestamp (ingestion) shows any spikes, dips, or breaks</parameter> <parameter name="source">raw</parameter> </invoke> _result_placeholder_ignored