WooCommerce - Order Tax Report By State / Date

gistfile1.txt

SELECT i.order_id as "Order #", pm4.meta_value as "Order Completed Date", tm.name as "Order Status", pm.meta_value as "Billing State", pm2.meta_value as "Order Total", pm3.meta_value as "Order Tax"
	FROM wp_woocommerce_order_items i
	INNER JOIN wp_postmeta pm 
		on pm.post_id = i.order_id
	INNER JOIN wp_postmeta pm2
		on pm2.post_id = i.order_id
	INNER JOIN wp_postmeta pm3
		on pm3.post_id = i.order_id
	INNER JOIN wp_postmeta pm4
		on pm4.post_id = i.order_id
	INNER JOIN wp_term_relationships tr 
		on tr.object_id = i.order_id
	INNER JOIN wp_terms tm 
	WHERE
		pm.meta_key = '_billing_state'
		AND
		pm.meta_value = 'XX'
		AND
		tm.term_id = tr.term_taxonomy_id
		AND
		pm2.meta_key = '_order_total'
		AND
		pm3.meta_key = '_order_tax'
		AND
		pm4.meta_key = '_completed_date'
		AND
		DATE(pm4.meta_value) >= '2015-01-01'

Chuck, this looks like exactly what I need on a new project. Did you create an entire plugin for this code or add it to an existing WC file?