Skip to content

Instantly share code, notes, and snippets.

@codingbadger

codingbadger/PivotSql_selectonly.sql

Last active October 28, 2015 08:31
Download ZIP

Revisions

  1. codingbadger revised this gist Oct 28, 2015. 1 changed file with 29 additions and 13 deletions.
    42 changes: 29 additions & 13 deletions PivotSql_selectonly.sql
    View file
    Original file line number Diff line number Diff line change
    @@ -1,11 +1,14 @@

    /* SETUP */
    Declare @ProductInfo Table
    (
    ProductName varchar(10),
    DateOfSale datetime,
    SaleValue int
    );
    Declare @StartDate datetime, @EndDate DateTime

    Set @StartDate = '2011-05-01'
    Set @EndDate = '2011-06-30'

    Insert Into @ProductInfo
    Values ('a','2011-05-14',2),
    @@ -14,14 +17,25 @@ Values ('a','2011-05-14',2),
    ('a','2011-05-19',6),
    ('a','2011-05-24',4),
    ('a','2011-05-25',7),
    ('a','2011-05-29',6);
    ('a','2011-05-29',6),
    ('c','2011-06-19',6),
    ('d','2011-06-24',4),
    ('b','2011-06-25',7),
    ('b','2011-06-29',6);
    /* SETUP */


    Declare @StartDate datetime, @EndDate DateTime

    Set @StartDate = '2011-05-01'
    Set @EndDate = '2011-06-30'
    -- Generate temp cte to contain all the days within the range
    -- calculate the actual week number e.g. week 20, 21, 22,23
    -- Also calculate the week number within the range e.g. 1,2,3,4
    With Dates as (
    Select DATEADD(Day, number - 1, @StartDate) as [DateRow],
    DATEPART(WEEK, DATEADD(Day, number - 1, @StartDate)) as [WeekNumber],
    ((DateDiff(day, @StartDate, DATEADD(Day, number - 1, @StartDate)) / 7) + 1) as [WeekSequence]
    From (Select ROW_NUMBER() Over (Order By c.Object_Id) as number
    From sys.columns c
    )numbers
    Where number -1 <= DATEDIFF(Day, @StartDate, @EndDate)
    )

    Select ProductName,
    IsNull([1],0) as 'Week 1',
    @@ -36,14 +50,16 @@ Select ProductName,

    From
    (
    Select ProductName,
    DATEDIFF(week, DATEADD(MONTH, DATEDIFF(MONTH, 0, DateOfSale), 0), DateOfSale) +1 as [Weeks],
    SaleValue
    Select p.ProductName,
    d.WeekSequence as [Weeks],
    p.SaleValue

    From @ProductInfo
    From @ProductInfo p
    cross apply Dates d
    -- Only get rows where the date is the same as the DatePeriod
    -- i.e DatePeriod is 30th May 2011 then only the weeks of May will be calculated
    Where DateOfSale >= @StartDate
    And DateOfSale <= @EndDate
    Where p.DateOfSale = d.DateRow
    And p.DateOfSale >= @StartDate
    And p.DateOfSale <= @EndDate
    )p
    Pivot (Sum(SaleValue) for Weeks in ([1],[2],[3],[4],[5],[6],[7],[8],[9])) as pv
  2. codingbadger revised this gist Oct 23, 2015. 1 changed file with 32 additions and 7 deletions.
    39 changes: 32 additions & 7 deletions PivotSql_selectonly.sql
    View file
    Original file line number Diff line number Diff line change
    @@ -1,4 +1,24 @@
    Declare @DatePeriod datetime

    /* SETUP */
    Declare @ProductInfo Table
    (
    ProductName varchar(10),
    DateOfSale datetime,
    SaleValue int
    );

    Insert Into @ProductInfo
    Values ('a','2011-05-14',2),
    ('b','2011-05-14',4),
    ('c','2011-05-17',3),
    ('a','2011-05-19',6),
    ('a','2011-05-24',4),
    ('a','2011-05-25',7),
    ('a','2011-05-29',6);
    /* SETUP */


    Declare @StartDate datetime, @EndDate DateTime

    Set @StartDate = '2011-05-01'
    Set @EndDate = '2011-06-30'
    @@ -8,17 +28,22 @@ Select ProductName,
    IsNull([2],0) as 'Week 2',
    IsNull([3],0) as 'Week 3',
    IsNull([4],0) as 'Week 4',
    IsNull([5], 0) as 'Week 5'
    IsNull([5], 0) as 'Week 5',
    IsNull([6], 0) as 'Week 6',
    IsNull([7], 0) as 'Week 7',
    IsNull([8], 0) as 'Week 8',
    IsNull([9], 0) as 'Week 9'

    From
    (
    Select ProductName,
    DATEDIFF(week, DATEADD(MONTH, DATEDIFF(MONTH, 0, InputDate), 0), InputDate) +1 as [Weeks],
    Sale as 'Sale'
    DATEDIFF(week, DATEADD(MONTH, DATEDIFF(MONTH, 0, DateOfSale), 0), DateOfSale) +1 as [Weeks],
    SaleValue

    From dbo.YourTable
    From @ProductInfo
    -- Only get rows where the date is the same as the DatePeriod
    -- i.e DatePeriod is 30th May 2011 then only the weeks of May will be calculated
    Where DatePart(Month, InputDate)= DatePart(Month, @DatePeriod)
    Where DateOfSale >= @StartDate
    And DateOfSale <= @EndDate
    )p
    Pivot (Sum(Sale) for Weeks in ([1],[2],[3],[4],[5])) as pv
    Pivot (Sum(SaleValue) for Weeks in ([1],[2],[3],[4],[5],[6],[7],[8],[9])) as pv
  3. codingbadger created this gist Oct 23, 2015.
    24 changes: 24 additions & 0 deletions PivotSql_selectonly.sql
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,24 @@
    Declare @DatePeriod datetime

    Set @StartDate = '2011-05-01'
    Set @EndDate = '2011-06-30'

    Select ProductName,
    IsNull([1],0) as 'Week 1',
    IsNull([2],0) as 'Week 2',
    IsNull([3],0) as 'Week 3',
    IsNull([4],0) as 'Week 4',
    IsNull([5], 0) as 'Week 5'

    From
    (
    Select ProductName,
    DATEDIFF(week, DATEADD(MONTH, DATEDIFF(MONTH, 0, InputDate), 0), InputDate) +1 as [Weeks],
    Sale as 'Sale'

    From dbo.YourTable
    -- Only get rows where the date is the same as the DatePeriod
    -- i.e DatePeriod is 30th May 2011 then only the weeks of May will be calculated
    Where DatePart(Month, InputDate)= DatePart(Month, @DatePeriod)
    )p
    Pivot (Sum(Sale) for Weeks in ([1],[2],[3],[4],[5])) as pv