[fix][patch] Delete duplicate bins

erpnext/patches/v6_4/fix_duplicate_bins.py

@@ -0,0 +1,20 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+from erpnext.stock.stock_balance import repost_stock
+
+def execute():
+	bins = frappe.db.sql("""select item_code, warehouse, count(*) from `tabBin` 
+		group by item_code, warehouse having count(*) > 1""", as_dict=True)
+		
+	for d in bins:
+		try:
+			frappe.db.sql("delete from tabBin where item_code=%s and warehouse=%s", (d.item_code, d.warehouse))
+		
+			repost_stock(d.item_code, d.warehouse, allow_zero_rate=True, only_actual=False, only_bin=True)
+			
+			frappe.db.commit()
+		except:
+			frappe.db.rollback()