Use the gcharts manager as the default manager

README.md

@@ -103,12 +103,8 @@ Register the GChartsManager to the model you'd like to draw charts from
 
     class MyModel(models.Model):
             
-        # when using multiple managers, we need to specify the default 'objects' manager as well
-        # NOTE: Make sure to specify the default manager first, else wierd stuff can happen!
-        # See #Issue3
-        objects = models.Manager()
-        # register the GChartsManager as a manager for this model
-        gcharts = GChartsManager()
+        # register the GChartsManager as default manager for this model.
+        objects = GChartsManager()
         
         my_field = models.CharField(....)
         my_other_field = models.IntegerField()
@@ -127,8 +123,7 @@ Spam Inc. needs to chart how much spam they sell.
 
     class Spam(models.Model):
 
-        objects = models.Manager()
-        gcharts = GChartsManager()
+        objects = GChartsManager()
 
         name = models.Charfield(max_length=10)
         ...
@@ -156,7 +151,7 @@ Spam Inc. needs to chart how much spam they sell.
             #  - values() to extract fields of interest
             #  - annotate() to group aggregate Count into 'id__count'
             #  - order_by() to make the aggregate work
-            qset = Spam.gcharts.filter(cdt__gt=series_age).extra(select={"date": "cdt::date"}) \
+            qset = Spam.objects.filter(cdt__gt=series_age).extra(select={"date": "cdt::date"}) \
                                        .values("date").annotate(Count("id")).order_by()
 
             # Call the qset.to_json() method to output the data in json

demosite/models.py

@@ -6,10 +6,9 @@ class GeoData(models.Model):
     """
     A model which contains data for the GeoChart
     """
-
-    gcharts = GChartsManager()
-    objects = models.Manager()
-
+
+    objects = GChartsManager()
+
     country_name = models.CharField(max_length=100)
     country_code = models.CharField(max_length=2)
     population = models.PositiveIntegerField()
@@ -20,12 +19,10 @@ class OtherData(models.Model):
     """
     A model which contains some other random data
     """
-
-    gcharts = GChartsManager()
-    objects = models.Manager()
-
+
+    objects = GChartsManager()
+
     name = models.CharField(max_length=20)
     number1 = models.IntegerField()
     number2 = models.IntegerField()
     date = models.DateField()
-

demosite/views.py

@@ -14,7 +14,7 @@ def home(request):
     if request.method == "GET":
 
         # GeoChart demo
-        geo_qset = GeoData.gcharts.order_by("-population").all()[:100]
+        geo_qset = GeoData.objects.order_by("-population").all()[:100]
         geo_data = geo_qset.values("country_name", "population", "fertility_rate") \
                     .to_json(labels={"country_name": "Country",
                                      "population": "Population",
@@ -25,7 +25,7 @@ def home(request):
 
         # AreaChart
         area_series_age = datetime.today() - relativedelta(months=1)
-        area_qset = OtherData.gcharts.filter(date__gte=area_series_age) \
+        area_qset = OtherData.objects.filter(date__gte=area_series_age) \
                         .values("date").annotate(Sum("number1")) \
                         .annotate(Sum("number2")).order_by()
         area_data = area_qset.order_by("-date").to_json(order=("date", "number1__sum",
@@ -34,7 +34,7 @@ def home(request):
                                                                 "number2__sum": "Another number"})
 
         # PieChart
-        pie_qset = OtherData.gcharts.values("name").annotate(Sum("number1")).order_by()
+        pie_qset = OtherData.objects.values("name").annotate(Sum("number1")).order_by()
         pie_data = pie_qset.order_by("name").to_json(order=("name", "number1__sum"),
                              formatting={"number1__sum": "{0:d} Sum total"})
 
@@ -43,7 +43,7 @@ def home(request):
 
         # Table
         table_series_age = datetime.today() - relativedelta(months=3)
-        table_qset = OtherData.gcharts.filter(date__gte=table_series_age) \
+        table_qset = OtherData.objects.filter(date__gte=table_series_age) \
                 .values("date").annotate(num_baked=Sum("number1")) \
                 .annotate(num_eaten=Sum("number2")).order_by("-date")
         table_data = table_qset.to_json(labels={"date": "Date",