old_contents: # 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
  
  def execute():
  	item_list = frappe.db.sql("""select name from tabItem""", as_dict=1)
  	for d in item_list:
  		count_stock_entries = frappe.db.sql("""select count(name) from `tabStock Entry Detail` where item_code= %s""",d.get("name"))[0][0]
  		
  		count_batch_entries = frappe.db.sql("""select count(name) from `tabStock Entry Detail` where \
  			item_code= %s and batch_no = '' """,d.get("name"))[0][0]
  		
  		if count_stock_entries > 0:
  			if count_stock_entries == count_batch_entries:
  				frappe.db.sql("""update `tabItem` set has_batch_no = 'Yes' where name = %s""",d.get("name"))
  				
  			if count_batch_entries == 0:
  				frappe.db.sql("""update `tabItem` set has_batch_no = 'No' where name = %s""",d.get("name"))
  
new_contents: # 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
  
  def execute():
  	frappe.db.sql("update tabItem set has_batch_no = 'No' where ifnull(has_batch_no, '') = ''")
  	frappe.db.sql("update tabItem set has_serial_no = 'No' where ifnull(has_serial_no, '') = ''")
  	
  	item_list = frappe.db.sql("""select name, has_batch_no, has_serial_no from tabItem 
  		where ifnull(is_stock_item, 'No') = 'Yes'""", as_dict=1)
  		
  	sle_count = get_sle_count()
  	sle_with_batch = get_sle_with_batch()
  	sle_with_serial = get_sle_with_serial()
  	
  	batch_items = get_items_with_batch()
  	serialized_items = get_items_with_serial()
  		
  	for d in item_list:	
  		if d.has_batch_no == 'Yes':
  			if d.name not in batch_items and sle_count.get(d.name) and sle_count.get(d.name) != sle_with_batch.get(d.name):
  					frappe.db.set_value("Item", d.name, "has_batch_no", "No")
  		else:
  			if d.name in batch_items or (sle_count.get(d.name) and sle_count.get(d.name) == sle_with_batch.get(d.name)):
  				frappe.db.set_value("Item", d.name, "has_batch_no", "Yes")
  		
  		if d.has_serial_no == 'Yes':
  			if d.name not in serialized_items and sle_count.get(d.name) and sle_count.get(d.name) != sle_with_serial.get(d.name):
  				frappe.db.set_value("Item", d.name, "has_serial_no", "No")
  		else:
  			if d.name in serialized_items or (sle_count.get(d.name) and sle_count.get(d.name) == sle_with_serial.get(d.name)):
  				frappe.db.set_value("Item", d.name, "has_serial_no", "Yes")
  		
  				
  def get_sle_count():
  	sle_count = {}
  	for d in frappe.db.sql("""select item_code, count(name) as cnt from `tabStock Ledger Entry` group by item_code""", as_dict=1):
  		sle_count.setdefault(d.item_code, d.cnt)
  		
  	return sle_count
  	
  def get_sle_with_batch():
  	sle_with_batch = {}
  	for d in frappe.db.sql("""select item_code, count(name) as cnt from `tabStock Ledger Entry` 
  		where batch_no != '' group by item_code""", as_dict=1):
  			sle_with_batch.setdefault(d.item_code, d.cnt)
  		
  	return sle_with_batch
  	
  
  def get_sle_with_serial():
  	sle_with_serial = {}
  	for d in frappe.db.sql("""select item_code, count(name) as cnt from `tabStock Ledger Entry` 
  		where serial_no != '' group by item_code""", as_dict=1):
  			sle_with_serial.setdefault(d.item_code, d.cnt)
  	
  	return sle_with_serial
  	
  def get_items_with_batch():
  	return frappe.db.sql_list("select item from tabBatch")
  	
  def get_items_with_serial():
  	return frappe.db.sql_list("select item_code from `tabSerial No`")
subject: patch fix