@raw_parsed = EXTRACT child_id int,
                _promo_sk string,
	_promo_id string,
	_start_date_sk string,
	_end_date_sk string,
	_item_sk string,
	_cost string,
	_response_target string,
	_promo_name string,
	_channel_dmail string,
	_channel_email string,
	_channel_catalog string,
	_channel_tv string,
	_channel_radio string,
	_channel_press string,
	_channel_event string,
	_channel_demo string,
	_channel_details string,
	_purpose string,
	_discount_active string,
	empty string
FROM "wasb://promotion@<blob storage account name>/{*}_{child_id}_100.dat"
USING Extractors.Text(delimiter: '|');

@filtered_results = SELECT _promo_sk,
	_promo_id,
	_start_date_sk,
	_end_date_sk,
	_item_sk,
	_cost,
	_response_target,
	_promo_name,
	_channel_dmail,
	_channel_email,
	_channel_catalog,
	_channel_tv,
	_channel_radio,
	_channel_press,
	_channel_event,
	_channel_demo,
	_channel_details,
	_purpose,
	_discount_active
FROM @raw_parsed
ORDER BY child_id ASC
FETCH 100 ROWS;

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