From 1519770cb0263c6e919c1be35f4dbb8b36095ed0 Mon Sep 17 00:00:00 2001
From: Pandiyan P <pandiyanpalani37@gmail.com>
Date: Fri, 14 Aug 2026 19:20:43 +0530
Subject: [PATCH] perf: filter stock projected qty bins by company in sql
 (#58173)

---
 .../stock_projected_qty.py                    | 19 ++++++++++---------
 .../test_stock_projected_qty.py               | 15 +++++++++++++++
 2 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/erpnext/stock/report/stock_projected_qty/stock_projected_qty.py b/erpnext/stock/report/stock_projected_qty/stock_projected_qty.py
index 23737e7c5a1..e02353a8b9b 100644
--- a/erpnext/stock/report/stock_projected_qty/stock_projected_qty.py
+++ b/erpnext/stock/report/stock_projected_qty/stock_projected_qty.py
@@ -27,7 +27,6 @@ def execute(filters=None):
 		item_groups.append(filters.item_group)
 		item_groups.extend(get_descendants_of("Item Group", filters.item_group))
 
-	warehouse_company = {}
 	data = []
 	conversion_factors = []
 	for bin in bin_list:
@@ -37,20 +36,12 @@ def execute(filters=None):
 			# likely an item that has reached its end of life
 			continue
 
-		# item = item_map.setdefault(bin.item_code, get_item(bin.item_code))
-		company = warehouse_company.setdefault(
-			bin.warehouse, frappe.db.get_value("Warehouse", bin.warehouse, "company")
-		)
-
 		if filters.brand and filters.brand != item.brand:
 			continue
 
 		elif item_groups and item.item_group not in item_groups:
 			continue
 
-		elif filters.company and filters.company != company:
-			continue
-
 		re_order_level = re_order_qty = 0
 
 		for d in item.get("reorder_levels"):
@@ -265,6 +256,16 @@ def get_bin_list(filters):
 	if filters.item_code:
 		query = query.where(bin.item_code == filters.item_code)
 
+	if filters.company:
+		wh = frappe.qb.DocType("Warehouse")
+		query = query.where(
+			ExistsCriterion(
+				frappe.qb.from_(wh)
+				.select(wh.name)
+				.where((wh.name == bin.warehouse) & (wh.company == filters.company))
+			)
+		)
+
 	if filters.warehouse:
 		warehouse_details = frappe.db.get_value("Warehouse", filters.warehouse, ["lft", "rgt"], as_dict=1)
 
diff --git a/erpnext/stock/report/stock_projected_qty/test_stock_projected_qty.py b/erpnext/stock/report/stock_projected_qty/test_stock_projected_qty.py
index d5c5c5a6587..8a16c99f28f 100644
--- a/erpnext/stock/report/stock_projected_qty/test_stock_projected_qty.py
+++ b/erpnext/stock/report/stock_projected_qty/test_stock_projected_qty.py
@@ -90,6 +90,21 @@ class TestStockProjectedQty(ERPNextTestSuite):
 		self.assertEqual(row["projected_qty"], 10)
 		self.assertEqual(row["shortage_qty"], 10)  # reorder level 20 - projected 10
 
+	def test_company_filter_excludes_other_company_warehouses(self):
+		item = "_Test Item"
+		make_stock_entry(item_code=item, qty=5, to_warehouse=WAREHOUSE, basic_rate=100)
+		make_stock_entry(
+			item_code=item,
+			qty=7,
+			to_warehouse="Stores - _TC1",
+			company="_Test Company 1",
+			basic_rate=100,
+		)
+
+		warehouses = {row["warehouse"] for row in self.run_report(item)}
+		self.assertIn(WAREHOUSE, warehouses)
+		self.assertNotIn("Stores - _TC1", warehouses)
+
 	def test_item_filter_returns_only_requested_item(self):
 		item_a = "_Test Item"
 		item_b = "_Test Item 2"