<invoke name="query_sql"> <parameter name="sql">SELECT COUNT(*) AS total_rows, COUNT(*) - COUNT(_unnamed_0) AS _unnamed_0_nulls, COUNT(*) - COUNT(company_name) AS company_name_nulls, COUNT(*) - COUNT(stock_name) AS stock_name_nulls, COUNT(*) - COUNT(date) AS date_nulls, COUNT(*) - COUNT(open) AS open_nulls, COUNT(*) - COUNT(high) AS high_nulls, COUNT(*) - COUNT(low) AS low_nulls, COUNT(*) - COUNT(close) AS close_nulls, COUNT(*) - COUNT(volume) AS volume_nulls, COUNT(*) - COUNT(_ingestion_timestamp) AS ingestion_timestamp_nulls, COUNT(*) - COUNT(_batch_id) AS batch_id_nulls, COUNT(*) - COUNT(_source_file) AS source_file_nulls, COUNT(*) - COUNT(_source_system) AS source_system_nulls FROM raw.semi_conductor_se</parameter> <parameter name="purpose">Count nulls in every column of the table</parameter> </invoke>