@raw_parsed = EXTRACT child_id int,
                nv_date_sk string,
	nv_item_sk string,
	nv_warehouse_sk string,
	nv_quantity_on_hand string,
	empty string
FROM "wasb://inventory@<blob storage account name>/{*}_{child_id}_100.dat"
USING Extractors.Text(delimiter: '|');

@filtered_results = SELECT nv_date_sk,
	nv_item_sk,
	nv_warehouse_sk,
	nv_quantity_on_hand
FROM @raw_parsed
WHERE child_id BETWEEN 26 AND 50;

OUTPUT @filtered_results
TO "/large_multiple/inventory_2.csv"
USING Outputters.Csv(outputHeader: true);