diff --git a/frappe/__version__.py b/frappe/__version__.py
index 9f9f645091..12cf0f14d4 100644
--- a/frappe/__version__.py
+++ b/frappe/__version__.py
@@ -1 +1 @@
-__version__ = "4.5.8"
+__version__ = "4.5.9"
diff --git a/frappe/core/doctype/custom_field/custom_field.py b/frappe/core/doctype/custom_field/custom_field.py
index 2c2adb92bf..e848481a6d 100644
--- a/frappe/core/doctype/custom_field/custom_field.py
+++ b/frappe/core/doctype/custom_field/custom_field.py
@@ -9,7 +9,6 @@ from frappe import _
 from frappe.model.document import Document
 
 class CustomField(Document):
-
 	def autoname(self):
 		self.set_fieldname()
 		self.name = self.dt + "-" + self.fieldname
@@ -40,9 +39,9 @@ class CustomField(Document):
 		self.create_property_setter()
 
 		# update the schema
-		if not frappe.flags.in_test:
-			from frappe.model.db_schema import updatedb
-			updatedb(self.dt)
+		# if not frappe.flags.in_test:
+		from frappe.model.db_schema import updatedb
+		updatedb(self.dt)
 
 	def on_trash(self):
 		# delete property setter entries
diff --git a/frappe/core/doctype/custom_field/test_custom_field.py b/frappe/core/doctype/custom_field/test_custom_field.py
index ad4def6175..41b0ac3a30 100644
--- a/frappe/core/doctype/custom_field/test_custom_field.py
+++ b/frappe/core/doctype/custom_field/test_custom_field.py
@@ -1,10 +1,16 @@
+#  -*- coding: utf-8 -*-
+
 # Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
 # See license.txt
 
+from __future__ import unicode_literals
+
 import frappe
 import unittest
 
 test_records = frappe.get_test_records('Custom Field')
 
+from frappe.model.db_schema import InvalidColumnName
+
 class TestCustomField(unittest.TestCase):
 	pass
diff --git a/frappe/database.py b/frappe/database.py
index d40bf90cb8..bb3085c038 100644
--- a/frappe/database.py
+++ b/frappe/database.py
@@ -556,4 +556,6 @@ class Database:
 			self._conn = None
 
 	def escape(self, s):
-		return unicode(MySQLdb.escape_string((s or "").encode("utf-8")), "utf-8")
+		if isinstance(s, unicode):
+			s = (s or "").encode("utf-8")
+		return unicode(MySQLdb.escape_string(s), "utf-8")
diff --git a/frappe/hooks.py b/frappe/hooks.py
index 704053f337..f632099952 100644
--- a/frappe/hooks.py
+++ b/frappe/hooks.py
@@ -3,7 +3,7 @@ app_title = "Frappe Framework"
 app_publisher = "Web Notes Technologies Pvt. Ltd."
 app_description = "Full Stack Web Application Framework in Python"
 app_icon = "assets/frappe/images/frappe.svg"
-app_version = "4.5.8"
+app_version = "4.5.9"
 app_color = "#3498db"
 app_email = "support@frappe.io"
 
diff --git a/frappe/model/db_schema.py b/frappe/model/db_schema.py
index 5c11f6f742..e4e370f4ab 100644
--- a/frappe/model/db_schema.py
+++ b/frappe/model/db_schema.py
@@ -13,6 +13,8 @@ import frappe
 from frappe import _
 from frappe.utils import cstr, cint
 
+class InvalidColumnName(frappe.ValidationError): pass
+
 type_map = {
 	'Currency':		('decimal', '18,6')
 	,'Int':			('int', '11')
@@ -373,7 +375,7 @@ def validate_column_name(n):
 	n = n.replace(' ','_').strip().lower()
 	import re
 	if re.search("[\W]", n):
-		frappe.throw(_("Fieldname {0} cannot contain letters, numbers or spaces").format(n))
+		frappe.throw(_("Fieldname {0} cannot contain letters, numbers or spaces").format(n), InvalidColumnName)
 	return n
 
 
diff --git a/frappe/public/js/frappe/views/reportview.js b/frappe/public/js/frappe/views/reportview.js
index 3e34258249..a849cf1e34 100644
--- a/frappe/public/js/frappe/views/reportview.js
+++ b/frappe/public/js/frappe/views/reportview.js
@@ -197,7 +197,7 @@ frappe.views.ReportView = frappe.ui.Listing.extend({
 	// get table_name.column_name
 	get_full_column_name: function(v) {
 		if(!v) return;
-		return (v[1] ? ('`tab' + v[1] + '`') : this.tab_name) + '.' + v[0];
+		return (v[1] ? ('`tab' + v[1] + '`') : this.tab_name) + '.`' + v[0] + '`';
 	},
 
 	// build columns for slickgrid
diff --git a/frappe/tests/test_db.py b/frappe/tests/test_db.py
index f7de01066e..be0e5fcca6 100644
--- a/frappe/tests/test_db.py
+++ b/frappe/tests/test_db.py
@@ -1,3 +1,5 @@
+#  -*- coding: utf-8 -*-
+
 # Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
 # MIT License. See license.txt
 
@@ -14,3 +16,6 @@ class TestDB(unittest.TestCase):
 		self.assertEquals(frappe.db.get_value("User", {"name": ["<=", "Administrator"]}), "Administrator")
 		self.assertEquals("test1@example.com", frappe.db.get_value("User", {"name": [">", "s"]}))
 		self.assertEquals("test1@example.com", frappe.db.get_value("User", {"name": [">=", "t"]}))
+
+	def test_escape(self):
+		frappe.db.escape("香港濟生堂製藥有限公司 - IT".encode("utf-8"))
diff --git a/frappe/utils/data.py b/frappe/utils/data.py
index 7d69f2bef4..952c6bf900 100644
--- a/frappe/utils/data.py
+++ b/frappe/utils/data.py
@@ -165,9 +165,12 @@ def formatdate(string_date=None, format_string=None):
 
 		out = frappe.local.user_format or "yyyy-mm-dd"
 
-		return out.replace("dd", date.strftime("%d"))\
-			.replace("mm", date.strftime("%m"))\
-			.replace("yyyy", date.strftime("%Y"))
+		try:
+			return out.replace("dd", date.strftime("%d"))\
+				.replace("mm", date.strftime("%m"))\
+				.replace("yyyy", date.strftime("%Y"))
+		except ValueError, e:
+			raise frappe.ValidationError, str(e)
 
 def global_date_format(date):
 	"""returns date as 1 January 2012"""
diff --git a/setup.py b/setup.py
index 72b4637a12..c8184c1a8e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 import os
 
-version = "4.5.8"
+version = "4.5.9"
 
 with open("requirements.txt", "r") as f:
 	install_requires = f.readlines()