Stored Procedure in SQL Server to Create A Stored Procedure for 'INSERT' , 'UPDATE' , 'DELETE' , 'SELECT' values into/from a Table

Conditions
1) Table Should Have A Primary Key

User Defined Function in Support to the Real Stored Procedure....
1) fnCleanDefaultValue
2) fnColumnDefault
3) fnIsColumnPrimaryKey
4) fnTableColumnInfo
5) fnTableHasPrimaryKey




SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE FUNCTION dbo.fnCleanDefaultValue
(@sDefaultValue varchar(4000))
RETURNS varchar(4000)
AS
BEGIN
RETURN SubString(@sDefaultValue, 2, DataLength(@sDefaultValue)-2)
END


CREATE FUNCTION dbo.fnColumnDefault
(@sTableName varchar(128),
@sColumnName varchar(128))
RETURNS varchar(4000)
AS
BEGIN
DECLARE @sDefaultValue varchar(4000)
SELECT @sDefaultValue = dbo.fnCleanDefaultValue(COLUMN_DEFAULT) FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = @sTableName AND COLUMN_NAME = @sColumnName
RETURN @sDefaultValue
END

CREATE FUNCTION dbo.fnIsColumnPrimaryKey
(@sTableName varchar(128),
@nColumnName varchar(128))
RETURNS bit
AS
BEGIN
DECLARE @nTableID int,
@nIndexID int,
@i int
SET @nTableID = OBJECT_ID(@sTableName)
SELECT @nIndexID = indid
FROM sysindexes
WHERE id = @nTableID AND indid BETWEEN 1 And 254 AND (status & 2048) = 2048
IF @nIndexID IsNull
RETURN 0
IF @nColumnName IN
(SELECT sc.[name] FROM sysindexkeys sik
INNER JOIN syscolumns sc ON sik.id = sc.id AND sik.colid = sc.colid
WHERE sik.id = @nTableID AND sik.indid = @nIndexID)
BEGIN
RETURN 1
END
RETURN 0
END


CREATE FUNCTION dbo.fnTableColumnInfo
(@sTableName varchar(128))
RETURNS TABLE
AS
BEGIN
RETURN
SELECT c.name AS sColumnName,
c.colid AS nColumnID,
dbo.fnIsColumnPrimaryKey(@sTableName, c.name) AS bPrimaryKeyColumn,
CASE
WHEN t.name IN ('char', 'varchar', 'binary', 'varbinary', 'nchar', 'nvarchar') THEN 1
WHEN t.name IN ('decimal', 'numeric') THEN 2
ELSE 0
END AS nAlternateType,
c.length AS nColumnLength,
c.prec AS nColumnPrecision,
c.scale AS nColumnScale,
c.IsNullable,
SIGN(c.status & 128) AS IsIdentity,
t.name as sTypeName,
dbo.fnColumnDefault(@sTableName, c.name) AS sDefaultValue
FROM syscolumns c
INNER JOIN systypes t ON c.xtype = t.xtype and c.usertype = t.usertype
WHERE c.id = OBJECT_ID(@sTableName)
END



CREATE FUNCTION dbo.fnTableHasPrimaryKey
(@sTableName varchar(128))
RETURNS bit
AS
BEGIN
DECLARE @nTableID int,
@nIndexID int
SET @nTableID = OBJECT_ID(@sTableName)
SELECT @nIndexID = indid
FROM sysindexes
WHERE id = @nTableID AND indid BETWEEN 1 And 254 AND (status & 2048) = 2048
IF @nIndexID ISNOTNull
RETURN 1
RETURN 0
END

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO


SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROC pr__SYS_MakeDeleteRecordProc
@sTableName varchar(128),
@bExecute bit = 0
AS
BEGIN
IF dbo.fnTableHasPrimaryKey(@sTableName) = 0
BEGIN
RAISERROR ('Procedure cannot be created on a table with no primary key.', 10, 1)
RETURN
END

DECLARE @sProcText varchar(8000),
@sKeyFields varchar(2000),
@sWhereClause varchar(2000),
@sColumnName varchar(128),
@nColumnID smallint,
@bPrimaryKeyColumn bit,
@nAlternateType int,
@nColumnLength int,
@nColumnPrecision int,
@nColumnScale int,
@IsNullable bit,
@IsIdentity int,
@sTypeName varchar(128),
@sDefaultValue varchar(4000),
@sCRLF char(2),
@sTAB char(1)

SET @sTAB = char(9)
SET @sCRLF = char(13) + char(10)

SET @sProcText = ''
SET @sKeyFields = ''
SET @sWhereClause = ''

SET @sProcText = @sProcText + 'IF EXISTS(SELECT * FROM sysobjects WHERE name = ''sp_Delete_' + @sTableName + ''')' + @sCRLF
SET @sProcText = @sProcText + @sTAB + 'DROP PROC sp_Delete_' + @sTableName + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF

SET @sProcText = @sProcText + @sCRLF

PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)

SET @sProcText = ''
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + '-- Delete a single record from ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + 'CREATE PROC sp_Delete_' + @sTableName + @sCRLF

DECLARE crKeyFields cursor for
SELECT *
FROM dbo.fnTableColumnInfo(@sTableName)
ORDER BY 2

OPEN crKeyFields

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue

WHILE (@@FETCH_STATUS = 0)
BEGIN

IF (@bPrimaryKeyColumn = 1)
BEGIN
IF (@sKeyFields <> '')
SET @sKeyFields = @sKeyFields + ',' + @sCRLF

SET @sKeyFields = @sKeyFields + @sTAB + '@' + @sColumnName + ' ' + @sTypeName

IF (@nAlternateType = 2) --decimal, numeric
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnPrecision AS varchar(3)) + ', '
+ CAST(@nColumnScale AS varchar(3)) + ')'

ELSE IF (@nAlternateType = 1) --character and binary
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnLength AS varchar(4)) + ')'

IF (@sWhereClause = '')
SET @sWhereClause = @sWhereClause + 'WHERE '
ELSE
SET @sWhereClause = @sWhereClause + ' AND '

SET @sWhereClause = @sWhereClause + @sTAB + @sColumnName + ' = @' + @sColumnName + @sCRLF
END

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue
END

CLOSE crKeyFields
DEALLOCATE crKeyFields

SET @sProcText = @sProcText + @sKeyFields + @sCRLF
SET @sProcText = @sProcText + 'AS' + @sCRLF
SET @sProcText = @sProcText + @sCRLF
SET @sProcText = @sProcText + 'DELETE ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + @sWhereClause
SET @sProcText = @sProcText + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF


PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROC pr__SYS_MakeInsertRecordProc
@sTableName varchar(128),
@bExecute bit = 0
AS

IF dbo.fnTableHasPrimaryKey(@sTableName) = 0
BEGIN
RAISERROR ('Procedure cannot be created on a table with no primary key.', 10, 1)
RETURN
END

DECLARE @sProcText varchar(8000),
@sKeyFields varchar(2000),
@sAllFields varchar(2000),
@sAllParams varchar(2000),
@sWhereClause varchar(2000),
@sColumnName varchar(128),
@nColumnID smallint,
@bPrimaryKeyColumn bit,
@nAlternateType int,
@nColumnLength int,
@nColumnPrecision int,
@nColumnScale int,
@IsNullable bit,
@IsIdentity int,
@HasIdentity int,
@sTypeName varchar(128),
@sDefaultValue varchar(4000),
@sCRLF char(2),
@sTAB char(1)

SET @HasIdentity = 0
SET @sTAB = char(9)
SET @sCRLF = char(13) + char(10)
SET @sProcText = ''
SET @sKeyFields = ''
SET @sAllFields = ''
SET @sWhereClause = ''
SET @sAllParams = ''

SET @sProcText = @sProcText + 'IF EXISTS(SELECT * FROM sysobjects WHERE name = ''sp_Add_' + @sTableName + ''')' + @sCRLF
SET @sProcText = @sProcText + @sTAB + 'DROP PROC sp_Add_' + @sTableName + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF

SET @sProcText = @sProcText + @sCRLF

PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)

SET @sProcText = ''
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + '-- Insert a single record into ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + 'CREATE PROC sp_Add_' + @sTableName + @sCRLF

DECLARE crKeyFields cursor for
SELECT *
FROM dbo.fnTableColumnInfo(@sTableName)
ORDER BY 2

OPEN crKeyFields


FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue

WHILE (@@FETCH_STATUS = 0)
BEGIN
IF (@IsIdentity = 0)
BEGIN
IF (@sKeyFields <> '')
SET @sKeyFields = @sKeyFields + ',' + @sCRLF

SET @sKeyFields = @sKeyFields + @sTAB + '@' + @sColumnName + ' ' + @sTypeName

IF (@sAllFields <> '')
BEGIN
SET @sAllParams = @sAllParams + ', '
SET @sAllFields = @sAllFields + ', '
END

IF (@sTypeName = 'timestamp')
SET @sAllParams = @sAllParams + 'NULL'
ELSE IF (@sDefaultValue IS NOT NULL)
SET @sAllParams = @sAllParams + 'COALESCE(@' + @sColumnName + ', ' + @sDefaultValue + ')'
ELSE
SET @sAllParams = @sAllParams + '@' + @sColumnName

SET @sAllFields = @sAllFields + @sColumnName

END
ELSE
BEGIN
SET @HasIdentity = 1
END

IF (@nAlternateType = 2) --decimal, numeric
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnPrecision AS varchar(3)) + ', '
+ CAST(@nColumnScale AS varchar(3)) + ')'

ELSE IF (@nAlternateType = 1) --character and binary
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnLength AS varchar(4)) + ')'

IF (@IsIdentity = 0)
BEGIN
IF (@sDefaultValue IS NOT NULL) OR (@IsNullable = 1) OR (@sTypeName = 'timestamp')
SET @sKeyFields = @sKeyFields + ' = NULL'
END

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue
END

CLOSE crKeyFields
DEALLOCATE crKeyFields

SET @sProcText = @sProcText + @sKeyFields + @sCRLF
SET @sProcText = @sProcText + 'AS' + @sCRLF
SET @sProcText = @sProcText + @sCRLF
SET @sProcText = @sProcText + 'INSERT ' + @sTableName + '(' + @sAllFields + ')' + @sCRLF
SET @sProcText = @sProcText + 'VALUES (' + @sAllParams + ')' + @sCRLF
SET @sProcText = @sProcText + @sCRLF

IF (@HasIdentity = 1)
BEGIN
SET @sProcText = @sProcText + 'RETURN SCOPE_IDENTITY()' + @sCRLF
SET @sProcText = @sProcText + @sCRLF
END

IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF


PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)








GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROC pr__SYS_MakeSelectRecordProc
@sTableName varchar(128),
@bExecute bit = 0
AS

IF dbo.fnTableHasPrimaryKey(@sTableName) = 0
BEGIN
RAISERROR ('Procedure cannot be created on a table with no primary key.', 10, 1)
RETURN
END

DECLARE @sProcText varchar(8000),
@sKeyFields varchar(2000),
@sSelectClause varchar(2000),
@sWhereClause varchar(2000),
@sColumnName varchar(128),
@nColumnID smallint,
@bPrimaryKeyColumn bit,
@nAlternateType int,
@nColumnLength int,
@nColumnPrecision int,
@nColumnScale int,
@IsNullable bit,
@IsIdentity int,
@sTypeName varchar(128),
@sDefaultValue varchar(4000),
@sCRLF char(2),
@sTAB char(1)

SET @sTAB = char(9)
SET @sCRLF = char(13) + char(10)

SET @sProcText = ''
SET @sKeyFields = ''
SET @sSelectClause = ''
SET @sWhereClause = ''

SET @sProcText = @sProcText + 'IF EXISTS(SELECT * FROM sysobjects WHERE name = ''sp_Select_' + @sTableName +''')' + @sCRLF
SET @sProcText = @sProcText + @sTAB + 'DROP PROC sp_Select_' + @sTableName + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF

SET @sProcText = @sProcText + @sCRLF

PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)

SET @sProcText = ''
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + '-- Select a single record from ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + 'CREATE PROC sp_Select_' + @sTableName + @sCRLF

DECLARE crKeyFields cursor for
SELECT *
FROM dbo.fnTableColumnInfo(@sTableName)
ORDER BY 2

OPEN crKeyFields

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue

WHILE (@@FETCH_STATUS = 0)
BEGIN
IF (@bPrimaryKeyColumn = 1)
BEGIN
IF (@sKeyFields <> '')
SET @sKeyFields = @sKeyFields + ',' + @sCRLF

SET @sKeyFields = @sKeyFields + @sTAB + '@' + @sColumnName + ' ' + @sTypeName

IF (@nAlternateType = 2) --decimal, numeric
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnPrecision AS varchar(3)) + ', '
+ CAST(@nColumnScale AS varchar(3)) + ')'

ELSE IF (@nAlternateType = 1) --character and binary
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnLength AS varchar(4)) + ')'

IF (@sWhereClause = '')
SET @sWhereClause = @sWhereClause + 'WHERE '
ELSE
SET @sWhereClause = @sWhereClause + ' AND '

SET @sWhereClause = @sWhereClause + @sTAB + @sColumnName + ' = @' + @sColumnName + @sCRLF
END

IF (@sSelectClause = '')
SET @sSelectClause = @sSelectClause + 'SELECT'
ELSE
SET @sSelectClause = @sSelectClause + ',' + @sCRLF

SET @sSelectClause = @sSelectClause + @sTAB + @sColumnName

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue
END

CLOSE crKeyFields
DEALLOCATE crKeyFields

SET @sSelectClause = @sSelectClause + @sCRLF

SET @sProcText = @sProcText + @sKeyFields + @sCRLF
SET @sProcText = @sProcText + 'AS' + @sCRLF
SET @sProcText = @sProcText + @sCRLF
SET @sProcText = @sProcText + @sSelectClause
SET @sProcText = @sProcText + 'FROM ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + @sWhereClause
SET @sProcText = @sProcText + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF


PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)










GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROC pr__SYS_MakeUpdateRecordProc
@sTableName varchar(128),
@bExecute bit = 0
AS

IF dbo.fnTableHasPrimaryKey(@sTableName) = 0
BEGIN
RAISERROR ('Procedure cannot be created on a table with no primary key.', 10, 1)
RETURN
END

DECLARE @sProcText varchar(8000),
@sKeyFields varchar(2000),
@sSetClause varchar(2000),
@sWhereClause varchar(2000),
@sColumnName varchar(128),
@nColumnID smallint,
@bPrimaryKeyColumn bit,
@nAlternateType int,
@nColumnLength int,
@nColumnPrecision int,
@nColumnScale int,
@IsNullable bit,
@IsIdentity int,
@sTypeName varchar(128),
@sDefaultValue varchar(4000),
@sCRLF char(2),
@sTAB char(1)

SET @sTAB = char(9)
SET @sCRLF = char(13) + char(10)

SET @sProcText = ''
SET @sKeyFields = ''
SET @sSetClause = ''
SET @sWhereClause = ''

SET @sProcText = @sProcText + 'IF EXISTS(SELECT * FROM sysobjects WHERE name = ''sp_Update_' + @sTableName +''')' + @sCRLF
SET @sProcText = @sProcText + @sTAB + 'DROP PROC sp_Update_' + @sTableName + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF

SET @sProcText = @sProcText + @sCRLF

PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)

SET @sProcText = ''
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + '-- Update a single record in ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + '----------------------------------------------------------------------------' + @sCRLF
SET @sProcText = @sProcText + 'CREATE PROC sp_Update_' + @sTableName + @sCRLF

DECLARE crKeyFields cursor for
SELECT *
FROM dbo.fnTableColumnInfo(@sTableName)
ORDER BY 2

OPEN crKeyFields


FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue

WHILE (@@FETCH_STATUS = 0)
BEGIN
IF (@sKeyFields <> '')
SET @sKeyFields = @sKeyFields + ',' + @sCRLF

SET @sKeyFields = @sKeyFields + @sTAB + '@' + @sColumnName + ' ' + @sTypeName

IF (@nAlternateType = 2) --decimal, numeric
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnPrecision AS varchar(3)) + ', '
+ CAST(@nColumnScale AS varchar(3)) + ')'

ELSE IF (@nAlternateType = 1) --character and binary
SET @sKeyFields = @sKeyFields + '(' + CAST(@nColumnLength AS varchar(4)) + ')'

IF (@bPrimaryKeyColumn = 1)
BEGIN
IF (@sWhereClause = '')
SET @sWhereClause = @sWhereClause + 'WHERE '
ELSE
SET @sWhereClause = @sWhereClause + ' AND '

SET @sWhereClause = @sWhereClause + @sTAB + @sColumnName + ' = @' + @sColumnName + @sCRLF
END
ELSE
IF (@IsIdentity = 0)
BEGIN
IF (@sSetClause = '')
SET @sSetClause = @sSetClause + 'SET'
ELSE
SET @sSetClause = @sSetClause + ',' + @sCRLF
SET @sSetClause = @sSetClause + @sTAB + @sColumnName + ' = '
IF (@sTypeName = 'timestamp')
SET @sSetClause = @sSetClause + 'NULL'
ELSE IF (@sDefaultValue IS NOT NULL)
SET @sSetClause = @sSetClause + 'COALESCE(@' + @sColumnName + ', ' + @sDefaultValue + ')'
ELSE
SET @sSetClause = @sSetClause + '@' + @sColumnName
END

IF (@IsIdentity = 0)
BEGIN
IF (@IsNullable = 1) OR (@sTypeName = 'timestamp')
SET @sKeyFields = @sKeyFields + ' = NULL'
END

FETCH NEXT
FROM crKeyFields
INTO @sColumnName, @nColumnID, @bPrimaryKeyColumn, @nAlternateType,
@nColumnLength, @nColumnPrecision, @nColumnScale, @IsNullable,
@IsIdentity, @sTypeName, @sDefaultValue
END

CLOSE crKeyFields
DEALLOCATE crKeyFields

SET @sSetClause = @sSetClause + @sCRLF

SET @sProcText = @sProcText + @sKeyFields + @sCRLF
SET @sProcText = @sProcText + 'AS' + @sCRLF
SET @sProcText = @sProcText + @sCRLF
SET @sProcText = @sProcText + 'UPDATE ' + @sTableName + @sCRLF
SET @sProcText = @sProcText + @sSetClause
SET @sProcText = @sProcText + @sWhereClause
SET @sProcText = @sProcText + @sCRLF
IF @bExecute = 0
SET @sProcText = @sProcText + 'GO' + @sCRLF


PRINT @sProcText

IF @bExecute = 1
EXEC (@sProcText)


GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO