How to display data using sql table

Question

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Hi,
Below is my tables structure and data.

SQL

CREATE TABLE [dbo].[PM_Ledger](
    [Id] [int] IDENTITY(1,1) NOT NULL,
    [Year] [int] NULL,
    [Type] [varchar](5) NULL,
    [code] [int] NULL,
    [Quantity] [float] NULL,
 CONSTRAINT [PK_PM_Ledger] PRIMARY KEY CLUSTERED
(
    [Id] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
SET IDENTITY_INSERT [dbo].[PM_Ledger] ON
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (1, 2010, N'R', 1001, 2500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (3, 2010, N'R', 1002, 2800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (4, 2010, N'I', 1001, 2100)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (5, 2010, N'R', 1001, 2800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (6, 2010, N'I', 1002, 2500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (7, 2011, N'R', 1001, 2500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (8, 2011, N'I', 1001, 2800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (9, 2011, N'R', 1002, 2800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (10, 2011, N'I', 1002, 2500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (11, 2012, N'R', 1001, 2000)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (12, 2012, N'I', 1001, 1500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (13, 2012, N'R', 1002, 1800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (14, 2012, N'I', 1002, 1200)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (15, 2013, N'R', 1001, 1500)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (16, 2013, N'I', 1001, 1800)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (17, 2013, N'R', 1002, 1200)
INSERT [dbo].[PM_Ledger] ([Id], [Year], [Type], [code], [Quantity]) VALUES (18, 2013, N'I', 1002, 1450)
SET IDENTITY_INSERT [dbo].[PM_Ledger] OFF

I want the data in below format,

Opening Quantity is (Sum(Quantity) where Type='R' - Sum(Quantity) where Type='I') up to previous year(User entered Year -1)
Closing Qunatity is Opening Quantity is (Sum(Quantity) where Type='R' - Sum(Quantity) where Type='I') for User entered Year

If i enter 2010, i want the data in below format(before 2010 we have no data, thats why OpeningQuantity is 0)

Code   Year    OpeningQuantity  ClosingQuantity
1001   2010   0      3200
1002   2010   0      300

If i enter 2011, i want the data in below format

Code   YearOpeningQuantity   ClosingQuantity
1001   2011   3200      2900
1002   2011   300      600

i enter 2012, i want the data in below format

Code   Year   OpeningQuantity   ClosingQuantity
1001   2012   2900      3400
1002   2012   600      1200

If i enter 2013, i want the data in below format

Code   Year   OpeningQuantity   ClosingQuantity
1001   2013   3400      3100
1002   2013   600      950

Thanks

Posted 27-Sep-13 23:37pm

sampath1750

Updated 28-Sep-13 1:22am

v5

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**Zoltán Zörgő** · Accepted Answer · 2013-09-28T01:52:00

As you formulated your clauses really good (well, almost) - I am wondering what have you stopped in formulating it in sql.
Look here:

SQL

declare @year int;
set @year=2011;
SELECT distinct(code), @year,
 (select sum(Quantity) from PM_Ledger I where Type='R' and "Year" < @year and I.code=L.code) - (select sum(Quantity) from PM_Ledger I where Type='I' and "Year" < @year and I.code=L.code) as OpeningQuantity,
 (select sum(Quantity) from PM_Ledger I where Type='R' and "Year" <= @year and I.code=L.code) - (select sum(Quantity) from PM_Ledger I where Type='I' and "Year" <= @year and I.code=L.code) as ClosingQuantity
from PM_Ledger L