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2008-11-19

How-to generate insert statements from a table without including the Primary Key's

-- ORIGINAL SOURCE:
-- Generating INSERT statements in SQL Server - BY Sumit Amar
- I just turned it into stored procedure and added the meta data query to not include the PK's
-- Thanks to Sumit Amar and Enjoy !!!

create PROCEDURE [dbo].[procUtils_InsertGenerator]
(
@domain_user varchar(50),
@tableName varchar(100)
)


as

--Declare a cursor to retrieve column specific information for the specified table
DECLARE cursCol CURSOR FAST_FORWARD FOR


--old takes the PK's SELECT column_name,data_type FROM information_schema.columns WHERE table_name = @tableName

/* NEW without PK's */
select object_name(c.object_id) "TABLE_NAME", c.name "COLUMN_NAME", s.name "DATA_TYPE"
from sys.columns c
join sys.systypes s on (s.xtype = c.system_type_id)
where object_name(c.object_id) in (select name from sys.tables where name not like 'sysdiagrams')
AND object_name(c.object_id) in (select name from sys.tables where [name]=@tableName ) and c.is_identity=0




OPEN cursCol
DECLARE @string nvarchar(3000) --for storing the first half of INSERT statement
DECLARE @stringData nvarchar(3000) --for storing the data (VALUES) related statement
DECLARE @dataType nvarchar(1000) --data types returned for respective columns
DECLARE @IDENTITY_STRING nvarchar ( 100 )
SET @IDENTITY_STRING = ' '
select @IDENTITY_STRING
SET @string='INSERT '+@tableName+'('
SET @stringData=''

DECLARE @colName nvarchar(50)

FETCH NEXT FROM cursCol INTO @tableName , @colName,@dataType

IF @@fetch_status<>0
begin
print 'Table '+@tableName+' not found, processing skipped.'
close curscol
deallocate curscol
return
END

WHILE @@FETCH_STATUS=0
BEGIN
IF @dataType in ('varchar','char','nchar','nvarchar')
BEGIN
--SET @stringData=@stringData+'''''''''+isnull('+@colName+','''')+'''''',''+'
SET @stringData=@stringData+''''+'''+isnull('''''+'''''+'+@colName+'+'''''+''''',''NULL'')+'',''+'
END
ELSE
if @dataType in ('text','ntext') --if the datatype is text or something else
BEGIN
SET @stringData=@stringData+'''''''''+isnull(cast('+@colName+' as varchar(2000)),'''')+'''''',''+'
END
ELSE
IF @dataType = 'money' --because money doesn't get converted from varchar implicitly
BEGIN
SET @stringData=@stringData+'''convert(money,''''''+isnull(cast('+@colName+' as varchar(200)),''0.0000'')+''''''),''+'
END
ELSE
IF @dataType='datetime'
BEGIN
--SET @stringData=@stringData+'''convert(datetime,''''''+isnull(cast('+@colName+' as varchar(200)),''0'')+''''''),''+'
--SELECT 'INSERT Authorizations(StatusDate) VALUES('+'convert(datetime,'+isnull(''''+convert(varchar(200),StatusDate,121)+'''','NULL')+',121),)' FROM Authorizations
--SET @stringData=@stringData+'''convert(money,''''''+isnull(cast('+@colName+' as varchar(200)),''0.0000'')+''''''),''+'
SET @stringData=@stringData+'''convert(datetime,'+'''+isnull('''''+'''''+convert(varchar(200),'+@colName+',121)+'''''+''''',''NULL'')+'',121),''+'
-- 'convert(datetime,'+isnull(''''+convert(varchar(200),StatusDate,121)+'''','NULL')+',121),)' FROM Authorizations
END
ELSE
IF @dataType='image'
BEGIN
SET @stringData=@stringData+'''''''''+isnull(cast(convert(varbinary,'+@colName+') as varchar(6)),''0'')+'''''',''+'
END
ELSE --presuming the data type is int,bit,numeric,decimal
BEGIN
--SET @stringData=@stringData+'''''''''+isnull(cast('+@colName+' as varchar(200)),''0'')+'''''',''+'
--SET @stringData=@stringData+'''convert(datetime,'+'''+isnull('''''+'''''+convert(varchar(200),'+@colName+',121)+'''''+''''',''NULL'')+'',121),''+'
SET @stringData=@stringData+''''+'''+isnull('''''+'''''+convert(varchar(200),'+@colName+')+'''''+''''',''NULL'')+'',''+'
END

SET @string=@string+@colName+','

FETCH NEXT FROM cursCol INTO @tableName , @colName,@dataType
END
DECLARE @Query nvarchar(4000)

SET @query ='SELECT '''+substring(@string,0,len(@string)) + ') VALUES(''+ ' + substring(@stringData,0,len(@stringData)-2)+'''+'')'' FROM '+@tableName
exec sp_executesql @query
--select @query

CLOSE cursCol
DEALLOCATE cursCol


/*

use MyDataBase
go

DECLARE @RC int
DECLARE @domain_user varchar(50)
DECLARE @tableName varchar(100)

-- TODO: Set parameter values here.
set @domain_user='myDomainUser'
set @tableName = 'MyTableName'

EXECUTE @RC = [POC].[dbo].[procUtils_InsertGenerator]
@domain_user
,@tableName

*/

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