fix: Billed Qty and Qty to Bill Calculation in Purchase Order Analysi…

…s (backport #42100) (#42249)

fix: Billed Qty and Qty to Bill Calculation in Purchase Order Analysis (#42100)

(cherry picked from commit 0c76a8c)

Co-authored-by: Nihantra C. Patel <141945075+Nihantra-Patel@users.noreply.github.com>

erpnext/buying/report/purchase_order_analysis/purchase_order_analysis.py

@@ -39,13 +39,16 @@ def validate_filters(filters):
 def get_data(filters):
 	po = frappe.qb.DocType("Purchase Order")
 	po_item = frappe.qb.DocType("Purchase Order Item")
+	pi = frappe.qb.DocType("Purchase Invoice")
 	pi_item = frappe.qb.DocType("Purchase Invoice Item")
 
 	query = (
 		frappe.qb.from_(po)
 		.from_(po_item)
 		.left_join(pi_item)
 		.on(pi_item.po_detail == po_item.name)
+		.left_join(pi)
+		.on(pi.name == pi_item.parent)
 		.select(
 			po.transaction_date.as_("date"),
 			po_item.schedule_date.as_("required_date"),
@@ -69,6 +72,7 @@ def get_data(filters):
 			po_item.name,
 		)
 		.where((po_item.parent == po.name) & (po.status.notin(("Stopped", "Closed"))) & (po.docstatus == 1))
+		.where(pi.docstatus == 1)
 		.groupby(po_item.name)
 		.orderby(po.transaction_date)
 	)