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	Merge pull request #21 from upstartmobile/sql-server - reportable - Fork of rep…
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	---
	commit 0e804fa4eb8a5092c1e4f0d04094c5828b2c3a93
	parent 5f29dfb16b4b34158a89f37283d31d2c42852f04
	Author: Martin Kvlr <[email protected]>
	Date: Wed, 9 Jan 2013 09:50:59 -0800

	Merge pull request #21 from upstartmobile/sql-server

	Add support for MS SQL Server
	Diffstat:
	M lib/saulabs/reportable/grouping.rb \| 25 +++++++++++++++++++++++++
	M spec/classes/grouping_spec.rb \| 49 +++++++++++++++++++++++++++++…

	2 files changed, 73 insertions(+), 1 deletion(-)
	---
	diff --git a/lib/saulabs/reportable/grouping.rb b/lib/saulabs/reportable/groupi…
	@@ -41,6 +41,8 @@ module Saulabs
	from_sqlite_db_string(db_string)
	when /postgres/i
	from_postgresql_db_string(db_string)
	+ when /mssql/i, /sqlserver/i
	+ from_sqlserver_db_string(db_string)
	end
	end

	@@ -57,6 +59,8 @@ module Saulabs
	sqlite_format(date_column)
	when /postgres/i
	postgresql_format(date_column)
	+ when /mssql/i, /sqlserver/i
	+ sqlserver_format(date_column)
	end
	end

	@@ -94,6 +98,14 @@ module Saulabs
	end
	end

	+ def from_sqlserver_db_string(db_string)
	+ if @identifier == :week
	+ parts = [db_string[0..3], db_string[5..6]].map(&:to_i)
	+ else
	+ db_string.split(/[- ]/).map(&:to_i)
	+ end
	+ end
	+
	def mysql_format(date_column)
	case @identifier
	when :hour
	@@ -133,6 +145,19 @@ module Saulabs
	end
	end

	+ def sqlserver_format(date_column)
	+ case @identifier
	+ when :hour
	+ "DATEADD(hh,DATEDIFF(hh,DATEADD(dd,DATEDIFF(dd,'1 Jan 1900',#{da…
	+ when :day
	+ "DATEADD(dd,DATEDIFF(dd,'1 Jan 1900',#{date_column}), '1 Jan 190…
	+ when :week
	+ "LEFT(CONVERT(varchar,#{date_column},120), 4) + '-' + CAST(DATEP…
	+ when :month
	+ "DATEADD(mm,DATEDIFF(mm,'1 Jan 1900',#{date_column}), '1 Jan 190…
	+ end
	+ end
	+
	end

	end
	diff --git a/spec/classes/grouping_spec.rb b/spec/classes/grouping_spec.rb
	@@ -76,6 +76,30 @@ describe Saulabs::Reportable::Grouping do

	end

	+ describe 'for MS SQL Server' do
	+
	+ before do
	+ ActiveRecord::Base.connection.stub!(:adapter_name).and_return('sqlserv…
	+ end
	+
	+ it 'should output a format of "YYYY-MM-DD HH:00:00.0" for grouping :hour…
	+ Saulabs::Reportable::Grouping.new(:hour).send(:to_sql, 'created_at').s…
	+ end
	+
	+ it 'should output a format of "YYYY-MM-DD" for grouping :day' do
	+ Saulabs::Reportable::Grouping.new(:day).send(:to_sql, 'created_at').sh…
	+ end
	+
	+ it 'should output a format of "YYYY-WW" for grouping :week' do
	+ Saulabs::Reportable::Grouping.new(:week).send(:to_sql, 'created_at').s…
	+ end
	+
	+ it 'should output a format of "YYYY-MM-01" for grouping :month' do
	+ Saulabs::Reportable::Grouping.new(:month).send(:to_sql, 'created_at').…
	+ end
	+
	+ end
	+
	end

	describe '#date_parts_from_db_string' do
	@@ -94,7 +118,7 @@ describe Saulabs::Reportable::Grouping do

	end

	- it 'should split the string with "-" and return teh calendar year and we…
	+ it 'should split the string with "-" and return the calendar year and we…
	db_string = '2008-2-1'
	expected = [2008, 5]

	@@ -150,6 +174,29 @@ describe Saulabs::Reportable::Grouping do

	end

	+ describe 'for MS SQL Server' do
	+
	+ before do
	+ ActiveRecord::Base.connection.stub!(:adapter_name).and_return('sqlserv…
	+ end
	+
	+ for grouping in [[:hour, '2008-12-31 12'], [:day, '2008-12-31'], [:month…
	+
	+ it "should split the string with '-' and ' ' for grouping :#{grouping[…
	+ Saulabs::Reportable::Grouping.new(grouping[0]).date_parts_from_db_st…
	+ end
	+
	+ end
	+
	+ it 'should use the first 4 numbers for the year and the last 2 numbers f…
	+ db_string = '2008-52'
	+ expected = [2008, 52]
	+
	+ Saulabs::Reportable::Grouping.new(:week).date_parts_from_db_string(db_…
	+ end
	+
	+ end
	+
	end

	end