Merge pull request #56192 from mihir-kandoi/pg-purchase-receipt

refactor(stock): port Purchase Receipt + LCV raw SQL to qb/ORM + #39 GROUP-BY fixes (Postgres)

erpnext/stock/doctype/landed_cost_voucher/landed_cost_voucher.py

@@ -9,7 +9,7 @@ from frappe import _
 from frappe.model.document import Document
 from frappe.model.meta import get_field_precision
 from frappe.query_builder.custom import ConstantColumn
-from frappe.query_builder.functions import Sum
+from frappe.query_builder.functions import Max, Sum
 from frappe.utils import cint, flt
 
 import erpnext
@@ -395,12 +395,12 @@ class LandedCostVoucher(Document):
 			if not item.is_fixed_asset and item.serial_no:
 				serial_nos = get_serial_nos(item.serial_no)
 				if serial_nos:
-					frappe.db.sql(
-						"update `tabSerial No` set purchase_rate=%s where name in ({})".format(
-							", ".join(["%s"] * len(serial_nos))
-						),
-						tuple([item.valuation_rate, *serial_nos]),
-					)
+					serial_no = frappe.qb.DocType("Serial No")
+					(
+						frappe.qb.update(serial_no)
+						.set(serial_no.purchase_rate, item.valuation_rate)
+						.where(serial_no.name.isin(serial_nos))
+					).run()
 
 	@frappe.whitelist()
 	def get_vendor_invoice_amount(self, vendor_invoice: str):
@@ -532,7 +532,7 @@ def set_landed_cost_voucher_amount(doc):
 		lcv_item = frappe.qb.DocType("Landed Cost Item")
 		query = (
 			frappe.qb.from_(lcv_item)
-			.select(Sum(lcv_item.applicable_charges), lcv_item.cost_center)
+			.select(Sum(lcv_item.applicable_charges), Max(lcv_item.cost_center))
 			.where((lcv_item.docstatus == 1) & (lcv_item.receipt_document == doc.name))
 		)
 

erpnext/stock/doctype/purchase_receipt/mapper.py

@@ -21,18 +21,15 @@ from erpnext.stock.serial_batch_bundle import (
 
 def get_invoiced_qty_map(purchase_receipt: str) -> dict:
 	"""returns a map: {pr_detail: invoiced_qty}"""
-	invoiced_qty_map = {}
+	pi_item = frappe.qb.DocType("Purchase Invoice Item")
+	query = (
+		frappe.qb.from_(pi_item)
+		.select(pi_item.pr_detail, Sum(pi_item.qty).as_("qty"))
+		.where((pi_item.purchase_receipt == purchase_receipt) & (pi_item.docstatus == 1))
+		.groupby(pi_item.pr_detail)
+	).run(as_list=1)
 
-	for pr_detail, qty in frappe.db.sql(
-		"""select pr_detail, qty from `tabPurchase Invoice Item`
-		where purchase_receipt=%s and docstatus=1""",
-		purchase_receipt,
-	):
-		if not invoiced_qty_map.get(pr_detail):
-			invoiced_qty_map[pr_detail] = 0
-		invoiced_qty_map[pr_detail] += qty
-
-	return invoiced_qty_map
+	return frappe._dict(query) if query else frappe._dict()
 
 
 def get_returned_qty_map(purchase_receipt: str) -> dict:

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -339,14 +339,17 @@ class PurchaseReceipt(BuyingController):
 					frappe.throw(_(msg))
 
 	def get_already_received_qty(self, po, po_detail):
-		qty = frappe.db.sql(
-			"""select sum(qty) from `tabPurchase Receipt Item`
-			where purchase_order_item = %s and docstatus = 1
-			and purchase_order=%s
-			and parent != %s""",
-			(po_detail, po, self.name),
+		qty = frappe.get_all(
+			"Purchase Receipt Item",
+			filters={
+				"purchase_order_item": po_detail,
+				"docstatus": 1,
+				"purchase_order": po,
+				"parent": ["!=", self.name],
+			},
+			fields=[{"SUM": "qty", "as": "qty"}],
 		)
-		return qty and flt(qty[0][0]) or 0.0
+		return flt(qty[0].qty) if qty and qty[0].qty else 0.0
 
 	def get_po_qty_and_warehouse(self, po_detail):
 		po_qty, po_warehouse = frappe.db.get_value("Purchase Order Item", po_detail, ["qty", "warehouse"])
@@ -415,25 +418,27 @@ class PurchaseReceipt(BuyingController):
 					)
 
 	def check_next_docstatus(self):
-		submit_rv = frappe.db.sql(
-			"""select t1.name
-			from `tabPurchase Invoice` t1,`tabPurchase Invoice Item` t2
-			where t1.name = t2.parent and t2.purchase_receipt = %s and t1.docstatus = 1""",
-			(self.name),
+		submit_rv = frappe.get_all(
+			"Purchase Invoice Item",
+			filters={"purchase_receipt": self.name, "docstatus": 1},
+			fields=["parent"],
+			as_list=True,
+			limit=1,
 		)
 		if submit_rv:
-			frappe.throw(_("Purchase Invoice {0} is already submitted").format(self.submit_rv[0][0]))
+			frappe.throw(_("Purchase Invoice {0} is already submitted").format(submit_rv[0][0]))
 
 	def on_cancel(self):
 		super().on_cancel()
 
 		self.check_for_on_hold_or_closed_status("Purchase Order", "purchase_order")
 		# Check if Purchase Invoice has been submitted against current Purchase Order
-		submitted = frappe.db.sql(
-			"""select t1.name
-			from `tabPurchase Invoice` t1,`tabPurchase Invoice Item` t2
-			where t1.name = t2.parent and t2.purchase_receipt = %s and t1.docstatus = 1""",
-			self.name,
+		submitted = frappe.get_all(
+			"Purchase Invoice Item",
+			filters={"purchase_receipt": self.name, "docstatus": 1},
+			fields=["parent"],
+			as_list=True,
+			limit=1,
 		)
 		if submitted:
 			frappe.throw(_("Purchase Invoice {0} is already submitted").format(submitted[0][0]))

erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py

@@ -6011,6 +6011,35 @@ class TestPurchaseReceipt(ERPNextTestSuite):
 		srbnb_credit = sum(flt(row.credit) for row in gl_entries if row.account == srbnb_account)
 		self.assertAlmostEqual(srbnb_credit, pi_base_net_amount, places=2)
 
+	def test_get_already_received_qty(self):
+		"""get_already_received_qty sums prior submitted PR Item qty against the same PO line,
+		excluding the current PR — covers the converted SUM with `parent != self.name`."""
+		from erpnext.buying.doctype.purchase_order.test_purchase_order import (
+			create_purchase_order,
+			make_pr_against_po,
+		)
+
+		po = create_purchase_order(qty=10)
+		po_detail = po.items[0].name
+
+		make_pr_against_po(po.name, 4)  # PR1 receives 4
+		pr2 = make_pr_against_po(po.name, 2)  # PR2 receives 2
+
+		# already received against this PO line, excluding pr2 itself, is pr1's 4
+		self.assertEqual(pr2.get_already_received_qty(po.name, po_detail), 4.0)
+
+	def test_check_next_docstatus_blocks_with_submitted_invoice(self):
+		"""check_next_docstatus must flag a submitted Purchase Invoice drawn from the receipt —
+		covers the converted child-table get_all (Purchase Invoice Item, docstatus=1)."""
+		pr = make_purchase_receipt()
+		pi = make_purchase_invoice(pr.name)
+		pi.insert()
+		pi.submit()
+
+		with self.assertRaises(frappe.ValidationError) as cm:
+			pr.check_next_docstatus()
+		self.assertIn("is already submitted", str(cm.exception))
+
 
 def create_asset_category_for_pr_test():
 	category_name = "Test Asset Category for PR"

erpnext/stock/stock_ledger.py

@@ -381,7 +381,16 @@ def get_items_to_be_repost(voucher_type=None, voucher_no=None, doc=None, reposti
 		items_to_be_repost = frappe.db.get_all(
 			"Stock Ledger Entry",
 			filters={"voucher_type": voucher_type, "voucher_no": voucher_no},
-			fields=["item_code", "warehouse", "posting_date", "posting_time", "creation", "posting_datetime"],
+			fields=[
+				"item_code",
+				"warehouse",
+				# aggregate the non-grouped columns (earliest row per item+warehouse) so the GROUP BY
+				# is valid on Postgres; a single voucher's entries share posting_date/time per group
+				{"MIN": "posting_date", "as": "posting_date"},
+				{"MIN": "posting_time", "as": "posting_time"},
+				{"MIN": "creation", "as": "creation"},
+				{"MIN": "posting_datetime", "as": "posting_datetime"},
+			],
 			order_by="creation asc",
 			group_by="item_code, warehouse",
 		)