Please drop your db: adding day of week as number.

Sophrinix · Jul 1, 2011 · fc0871f · fc0871f
1 parent ed40713
commit fc0871f
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diff --git a/etl/migrations/002_create_date_dimension.rb b/etl/migrations/002_create_date_dimension.rb
@@ -5,6 +5,7 @@ def self.up
       t.string :date
       t.string :month
       t.string :day_of_week
+      t.integer :day_of_week_as_number
       t.string :year
       t.string :year_and_month
       t.date :sql_date_stamp

diff --git a/lib/date_dimension_builder.rb b/lib/date_dimension_builder.rb
@@ -24,6 +24,7 @@ def build
       record[:date] = date.strftime("%Y-%m-%d")
       record[:month] = Date::MONTHNAMES[date.month].downcase
       record[:day_of_week] = Date::DAYNAMES[date.wday].downcase
+      record[:day_of_week_as_number] = date.wday
       record[:year] = date.year.to_s
       record[:year_and_month] = record[:year] + "-" + date.month.to_s.rjust(2,'0')
       record[:sql_date_stamp] = date

diff --git a/spec/date_dimension_builder_spec.rb b/spec/date_dimension_builder_spec.rb
@@ -40,6 +40,10 @@ def day(from, key=nil)
     days('2007-12-01', '2007-12-07', :day_of_week).should eql(%w(saturday sunday monday tuesday wednesday thursday friday))
   end
 
+  it "should return all the days of week as numbers starting by sunday as 0" do
+    days('2007-12-01', '2007-12-07', :day_of_week_as_number).should eql([6, 0, 1, 2, 3, 4, 5])
+  end
+
   it "should return a sql_date_stamp" do
     day('1991-1-1', :sql_date_stamp).should eql(Date.parse("1991-1-1"))
   end