How To Create A Dynamic SQL Command For OLE DB Source
Mar 21, 2008
Hi All,
I have a requirement to create a dynamic SQL Command in an OLE DB Source due to the fact that I need to read data from another database based on a date range. For example, the SQL command would look like
SELECT * FROM Table1 WHERE DateField BETWEEN '17/03/2008' and '21/03/2008'
and I need to change the dates - '17/03/2008' and '21/03/2008' to different dates when the package is deployed in production, how do I do that ?
Regards
Ash
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Apr 15, 2008
I have a requirment which i have partly accomplished , but could not get through completely
i have a file which comes in a standard format ending with date and seq number ,
suppose , the file name is abc_yyyymmdd_01 , for first copy , if it is copied more then once the sequence number changes to 02 and 03 and keep going on .
then i need to transform those in to new file comma delimited destination file with a name abc_yyyymmdd,txt and others counting file counting record abc_count_yyyymmdd.txt. and move it to a designated folder. and the source file is then moved to archived folder
what i have taken apprach is
script task select source file --------------------> data flow task------------------------------------------> script task to destination file
dataflow task -------------------------> does count and copy in delimited format
what is happening here is i can accomlish a regular source file convert it to delimited destination file --------> and move it to destination folder with script task .
but cannot work the dynamic pick of a source file.
please advise with your comments or solution you have
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Jul 20, 2005
Can I dynamically (from a stored procedure) generatea create table script of all tables in a given database (with defaults etc)a create view script of all viewsa create function script of all functionsa create index script of all indexes.(The result will be 4 scripts)Arno de Jong,The Netherlands.
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May 3, 2006
Hi,
I am trying to set the OLE DB Source Editor. I am using the following option for Data Access mode
SQL Command from a variable and uses my sqlQuery variable.
sqlQuery variable contains a sql statement but I am getting the following error
ox80040E0C, Command text was not set for command object,
Additional information HRESULT 0xC0202009
Does it mean I have to give the variable name containing the stored procedure?
Please Guide
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Feb 22, 2008
Hi. I get problem when I convert DateTime to literal value. It didn't match sql syntax. ALTER PROCEDURE dbo.Search
(
@Table nvarchar(50),
@Field nvarchar(50),
@BeginDate DateTime,
@EndDate DateTime
)
AS
DECLARE @Sql nvarchar(1000)
SET @Sql = 'SELECT ' + @Table + '.* FROM ' + @Table + ' WHERE ' + @Field + ' BETWEEN ' + convert(nvarchar(20), @BeginDate) + ' AND ' + convert(nvarchar(20), @EndDate)
EXEC sp_executesql @Sql
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Apr 15, 2008
I read several posts on this topic and I would like to confirm my understanding.
This question has to do with parameterizing the select statement in the OLE DB Source editor. Initially, I thought I could use Data access mode: SQL command, and somehow use a user variable in there to build my Select statement.
But in researching further, it looks like I need to store the entire SQL command in a one long string variable (let's call it A), where A is built off of another variable that has my parameter. I then use A in Data access mode: SQL command from variable.
Am I correct? And is there not a way to accomplish the samething with only one variable that is your parameter value?
It seems a bit clumsy to store the entire SQL expression in a string variable.
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Apr 10, 2008
Using Jamie's, John's and Rafae post i have got this far.
My scenario demands me to do an incremental load. So i have followed your article and have created a one variable 'vDate' (Dataflow Task, Datetime, 3/3/2008) and another variable SourceSQL (Dataflow Task, String). I have set this SourceSQL evaluation to True and have added this;
"select * from stagingperfdata where startdatetime = "+ (DT_WSTR,10) @[vDate].
I want to call this within a OLE DB source, so i select the data access method to SQL command from variable. My variable name is visible and i am able to select it and then save and debug. I also have a derived column transformation to increment the variable vDate by one day.
The flow is successful but there is no records written to the target.
I tried the same query (available in the variable's value column) in SSMS and it is retrieving 12 records.
I went back to the Ole Db source and wanted to preview the data, but i get "Query timeout expired (Microsoft SQL Native Client)" error.
Am i missing something fundamental?
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Jul 20, 2007
I have a GridView (that uses SqlDataSource1) and a Dropdownlist. Depending upon the value selected on the DropDownList I need to select different stored procedures for the gridview. The problem is that I can do it without taking SqlDataSource1 by using DataSet or DataTable. But, I need to Use SQLDataSource1 for easy way of Header SORTING. So, is there any way to change the SQLDatasource1.SELECT Command dynamically. So that, I can use different queries for the Single DataGrid. I have attached the sample code of the SqlDataSource1 I'm using. I need to change the Command i.e. SelectCommand="usp_reports_shortages" to "usp_reports_shortagesbyID" and "usp_reports_shortagesbyDate" depending on the value selected in the dropdownlist. So, is there any way to do this????<asp:SqlDataSource ID="SqlDataSource1"
runat="server"
ConnectionString="<%$
ConnectionStrings:TESTDrivercommunication %>"
SelectCommand="usp_reports_shortages" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:ControlParameter ControlID="lblDriver" Name="date1" PropertyName="Text" Type="DateTime" />
<asp:ControlParameter ControlID="lblTODate" Name="date2" PropertyName="Text" Type="DateTime" />
<asp:ControlParameter ControlID="DDlDriver" Name="driver" PropertyName="SelectedValue"
Type="Int32" />
<asp:SessionParameter Name="week" SessionField="s_week" Type="DateTime" />
</SelectParameters>
</asp:SqlDataSource>
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Apr 25, 2008
I am trying to implement an "advanced search" feature on my ASP.NET 2.0 web form. I have a GridView control and a SqlDataSource. The SqlDataSource control successfully retrieves data when the SelectCommand attribute is set in the aspx page. I need to make it so when a user clicks on a button, it can take a value from a text box and use it in the WHERE clause. I have tried setting the SelectCommand programmatically and then DataBinding but it never accepts the new SelectCommand. What can I do to fix this?
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Nov 15, 2007
Hi all,
I want to pass a parameter into my OLE DB source. For eg, I want to set the condition
SELECT * FROM "tablename" where ID = parameter <-----------------
I do not know how to do this? can it be done by using package variable?
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Oct 10, 2007
I created a Stored Proc to compute all the data I need to export to a CSV file.
I use the provider MS OLE DB Provider for SQL Server.
It's a very simple package with a single Data Flow Task.
This flow task is using an OLE DB Source to call a simple SQL Command : Exec MyStoredProc.
There are no params.
This Stored Proc is using table variables to compute the data.
It takes about 10 seconds to return anything.
The problem is that the mapping doesn't work with the OLE DB Source.
There are no fields at all shown in the mapping screen.
I tried to replace the Stored Proc by a version which only returns fields and no data.
Then the mapping would work just fine.
The package is then compiling and working fine.
But everytime I put back the real stored proc, even without changing the SQL Command, the SSIS execution breaks at execution.
It keeps saying :
"Error: 0xC0202005 at Data Flow Task, OLE DB Source [477]: Column "RecordType" cannot be found at the datasource."
My guess is that SSIS doesn't wait the 10 secs and thinks the Stored Proc is not returning anything.
What can I do to make this work ?
Thanks,
Vincent
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Apr 30, 2008
I have a source file name which changes every day , basically the filename like 9500 , the next file would come is 9501 , then next could be anything may be 1000Q. I need the source connection to pick dynamicallly those file name. is their any way i could achieve this in SSIS.
I would not know what is the name of the file i would expect
please advise
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Feb 14, 2006
I got a package with data flow task. Within the data flow task I have flat file with Fiscal Calendar defined. I got another data source within the data flow task, which is OLE DB Source. I want to use SQL Command as data access mode. SQL similar to one the below is in there.
----------------------------------------------------------------------------------------------------
DECLARE @startdate DATETIME
DECLARE @enddate DATETIME
DECLARE @date DATETIME
DECLARE @id INT
SET @startdate = '1993-09-26' --Change these to
SET @enddate = '2010-09-25' --whatever you want
SET @id = 1
SET @date = DATEADD(dd, @id, @startdate)
WHILE @date <= @enddate
BEGIN
select @date CalendarDate,
DATEPART(dd, @date) CalendarDayMonth,
DATEPART(dy, @date) CalendarDayYear,
DATEPART(dw, @date) CalendarDayWeek,
DATENAME(dw, @date) CalendarDayName
SET @id = @id + 1
SET @date = DATEADD(dd, @id, @startdate)
END
----------------------------------------------------------------------------------------------------
This SQL works fine in SSMS and returns around 6000 rows. But when I plug the same SQL in OLE DB Source it returns only the first record. It is not going through the WHILE loop.
Has anyone came across this?
Thanks
Sutha
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Jan 2, 2008
Happy new year everyone!!!
Ok, now for my not so happy new year problem ... here's the scenario:
I have a simple task of exporting data retrieved by a parameterized stored procedure to a delimited text file ... task done in 30 mins max using dataflow task from OLE DB Source with SQL Command to Text File Destination ... thank you very much SSIS!
But the problem is the OLE DB Source executed the SP MULTIPLE TIMES (3 to be exact)
Actually configuration is:
1. OLE DB Source
2. SQL Command access mode
3. The following command written in the command text box:
SET FMTONLY OFF;
exec sp_SampleSP @param1=?, @param2=?
4. Configured parameter mapping.
The stored procedure logs to a database table everytime it is executed to report how many rows were selected (please don't crucify me with this method, i'm re-using procs from old system). The log shows that during execution of this package the SP was executed on 3 times.
Help anyone? Please ...
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Jul 20, 2005
I'm looking for a way to transform the contents of n source tablesinto a single destination table. This by itself is no problem.However, the name of the source tables change, so I'll need to basethe transform task on a global variable that I can update via externalcode. Not sure how to do that. I'm ok with executing the package 10times if there's 10 source tables.The last unknown piece is modifying the query used for the transform.There are 10 columns in the source table, but there are 12 columns inthe destination table. I must provide the 2 missing columns. They willsimply contain a year and month, ie. 05 2003.I'm taking a bunch of source tables (for a given month and year) androlling them together into one destination table, and carrying overthe month and year. I assume the month and year would also be globals.But I'm not sure how to incorporate them into the transform task sinceit wants strict SQL syntax.Any help is appreciated, thanks in advance!
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Mar 27, 2007
Hi,
I am building SSIS for 3 different files that have identical
schema and mapping logic.
In my OLE DB Source (object name - "OLEDBSource_SourceTable")
Data Access mode is "Variable name".
As soon as I swithced to this Data Acces mode
it started to give me an error:
[OLEDBSource_SourceTable [1]] Warning: The external metadata column collection is out of synchronization
with the data source columns.
The column "DEAL_NUM" needs to be updated in the external metadata column collection.
The "external metadata column "DEAL_NUM_Flag" (34529)" needs to be removed
from the external metadata column collection.
The "external metadata column "recordID" (33740)"
needs to be removed from the external metadata column collection.
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Jun 6, 2005
Sorry if this is a pretty basic question.. but my team here is working on SQL Reporting app for the first time.
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Sep 12, 2006
Hi,
I have to read data from an MDB file into SQL Server. Simple, but I need to place a literal into every row. In my OLE DB Source I would use:
SELECT '001' AS col1, foo, bar FROM Table1
But the problem is that I pass my value for col1 into the package from C# using Managed DTS.
So I set up my OLE DB Source using "SQL command from variable." And I have two variables one to receive the value of for col1 (col1) and one that is an evaluated expression that has a dynamic sql statement (dynSql).
col1 is a String as is dynSql. dynSql looks like this:
"SELECT " + @[col1] + " as col1, foo, bar FROM Table1"
Now as long as I set the value of col1 to '001' that should work. Right? Well not exactly. The destination for col1 in SQL Server is a char( 3 ). But the package makes the col1 column from the source a DT_WSTR. Which causes the famed: "Text was truncated or one or more characters had no match in the target code page.".
Is there a better solution?
Thanks. Kenneth.
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Jul 14, 2006
I want to be able to programmatically set the schema location for an XML source. I first thought it would be a simple task using expressions and variables but it doesn't appear to allow anything in the way of setting it at runtime. Is this possible?
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May 2, 2006
Hi,
I am building a data warehouse for a customer who has systems located in two different countries.
I need to import that data from four seperate databases, which all share the same structure.
To do this i have created 20 packages to import that data from the source database. What i would like to do, is at run time set which database the SSIS package should get its data from.
In sql 2k this was easy with a global variable that was set, then use a dynamic properties task to set the data source.
How can i achieve the same result in SSIS? the data source is an ODBC connection, with the four ODBC connections having similar names, eg ABC_NZ, ABC_AU
Thanks in Advance!
Truby
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Jan 2, 2008
Dear Friends,
I currently have my excel source dynamic for the connectionstring. Using a global variable with the filename and using the expressions of this control to dynamically have the connecttionstring. My problem is that i need tto read always the first workseet and the name changes frequently and generates an erro in SSIS.
how can I set the excel source to goes only for the first sheet independently of the worksheet name?!
Regards!!
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Aug 8, 2007
Hello,
What I'm trying to accomplish is to have a variable names "SourceTable" and "DestinationTable". So for each SourceTable, the DestinationTable will have the same columns. All I need is to auto-map these columns between source and destination via code?
Is this possible?
Thanks,
awiora
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Aug 6, 2015
I'm using following command to populate my OLE DB Source. I have two of those in each Data Flow in my package. One of the OLE DB Sources points to my source database the other to the destination. In order to limit the number of rows I use the WHERE clause below. The [EnergyMiserFSRLive] being the the name of the source database. The Connection manager points to the destination database.
I would like an elegant way to replace [EnergyMiserFSRLive] with a parameter which I can reuse in each of my many data flows rather than use this hard coded value [EnergyMiserFSRLive].In particular I'm after the syntax of the below query that uses the parameter for [EnergyMiserFSRLive].
SELECT [SitesId]
,[SiteName]
,[FilePrefix]
,[City]
,[StateProv]
,[Country]
FROM [Sites]
WHERE SitesId >= (SELECT MIN(SitesId) FROM [DBNameFSRLive].[dbo].[Sites])
ORDER BY [SitesId]
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Apr 11, 2008
I have CSV file as source for SSIS package every time the filename will be changing like trd_1990M1_1990M12.csv,trd_1991M1_1991M12.csv , trd_1992M1_1992M12.csv etc.,
so it will vary as per user selection . i need to run the same SSIS package to execute the different file name with the same structure.
Please let me know the solution for that how to pass the file name dynamically to SSIS package.
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Nov 21, 2006
I'm using SSIS to import data from a table (SQL) containing varchar fields. The problem is, that those varchar fields are changing over time (sometimes shrinking and sometimes expanding). I.e. from varchar(16) to varchar(20).
When I create my SSIS package, the package seem to store information about the length of each source-field. At runtime, if the field-length is larger then what the package expects an error is thown.
Is there anyway around this problem?
Oh, yeah... My destination fields are a lot wider then the source fields, so the problem is not that the varchar values doesn't fit in my destination table, but that the package expects the source to be smaller...
Regards Andreas
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Sep 11, 2006
hi everyone,
joy mundy alluded in her webcast that it is possible to dynamically specify a table name in a parameterized ole db source query. is this true? if so, how can it be done?
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Feb 21, 2006
Hello,
I have an OLEDB Source component with a Oracle OLEDB connection manager.
In my SQL statement I must do something like this ...
SELECT * FROM OracleTable
WHERE convert(datetime, OracleDate) = parameter
I've dynamicaly build the statement like this : http://blogs.conchango.com/jamiethomson/archive/2005/12/09/2480.aspx
Unfortunately this doesn't work because the variable is a datetime value and not a string.
Maybe another way is to store the date in a table in my SQL database and include it in my Oracle SQL statement ? This would mean that there are multiple connection managers being used in one SQL statement ... I have no idea if this would be possible ...
Any other options ?
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Oct 20, 2007
I have created an SSIS package that is designed to move data from SQL Server 2000 to an Access db. I have set the package up to accept four parameters. They are:
the name of the SQL Server Database, which is used in an expression to provide the source connection manager connection string;
the full path to the Access db destination database which is used like #1 above.
the SELECT statement used in an OLE DB Source object to get the data from the source table
the table name which is used by an OLE DB Destination object.
I know that the source and destination tables have exactly the same structure and do not require a transformation.
In order to change variables 3 and 4 from above and have it work, I go through the following steps:
I change the variables to appropriate values.
Go to the Advanced Editor for the OLE DB Source object and click on "Refresh". This produces an error in the OLE DB Destination object that is something like "Validation error. Data Flow Task: DTS.Pipeline: input column "strRECTYPESUFFIX" (301) has lineage ID 17 that was not previously used in the Data Flow task.
Go to the Advanced Editor for the OLE DB Destination which brings up the "Restore Invalid Column Reference Editor". I mark all the columns that show up with the option to <Delete invalid column reference> and click OK
I then reopen the Advanced Editor for the OLE DB Destination, go to the 'Column Mappings' tab click 'Refresh', then in the upper pane where the input and output columns list appear I right click and choose "Map Items by Matching Names"
At this point I no longer have the error and the package will execute without any problems.
I am doing this so that I can load the SSIS package in VB.NET (2.0) so that I can then set these variables programmatically and then execute the package. The problem is that this actually performs steps 1 and 4 above. 2 and 3 are left out and the package fails miserably.
I have found some information that would be helpful if I could get my hands on the appropriate object. I realize that the data flow component would return VS_NEEDSNEWMETADATA from the Validate method, and that could be repaired with the ReinitializeMetaData method of the data flow component ( I assume that is the object to be using in this case). But I do not know how to grab the "Data Flow Component" as an object based upon the "Package" object I have loaded so that I can check if it is valid and manipulate it if necessary.
Thank you in advance for your help.
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May 1, 2008
I have a problem while creating a dynamic source connection.
i have four files while which comes with different extension , apparently the name of the files are same for example.
9500.txt, the other one is 9500. rtf, 9500.dat, 9500.map, They are all text file but with different formats. I have problem selecting a dynamic source connection for each of this files.
when i create variable for input file name the file connection gets confused and throws me error with input file.
please help
Thank you
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Aug 23, 2006
Hi,
I've seen a number of posts similar to this but i still cannot figure out what i need to do to get it working. So here goes with a couple of newbie questions.
Question 1:
Once created how do i go about executing a SSIS package. I want to be able to call it from a C# application from which i pass in a couple of parameters?
Question 2:
How do i go about setting the file path of my Excel source to a dynamic value passed at runtime. I want to be able to loop through a number of Excel files and do some processing on them. I've set up a variable (which i think i need to do) after that i get stuck however. Some other posts suggest configuration packages but i cannot get my head around how they work?
Any help on this matter would be gratefully recieved.
Thanks in advance,
Grant
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Apr 14, 2008
Hi all,
I am able to set dynamic source for the text file(flat file) but i want to set the connection string (file name) to excel source dynamicaly. I have tryied lots of time by taking a variable in foreachloop container . Variable is itself able to pick the file name dynamicaly but whern i am tying to set connectionstring to excel source it gives error.
Steps that i have done: -
1) Drag foreachloop container
2) set directory,FileNameRetrieval,FileSpec
3) Made VariableMapping
4) Now drag a dataflow task in the foreachloop container
5) select excel source
6) When i am selecting varaible as connectin string from properties of excel connectin manager, i am getting this error : -
TITLE: Microsoft Visual Studio
------------------------------
Error at Package3 [Connection manager "Excel Connection Manager 2"]: An OLE DB error has occurred. Error code: 0x80040E4D.
Error at Data Flow Task [Excel Source [1]]: The AcquireConnection method call to the connection manager "Excel Connection Manager 2" failed with error code 0xC0202009.
------------------------------
ADDITIONAL INFORMATION:
Exception from HRESULT: 0xC020801C (Microsoft.SqlServer.DTSPipelineWrap)
------------------------------
BUTTONS:
OK
------------------------------
Please help me, whats the problem? can i set connectionstring via variable to excel source
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Apr 14, 2008
Hello,
Kindly give me the solution ASAP how to do Dyanmic Connection in ExcelConnection manager.
Thanks
Thiru
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Apr 14, 2008
Hi SSIsians,
I have a package with Excel Destination with dynamic connection.
I did ExcelFilePath = [@user::VarSourceFolder]+[@user::VarSourceFileName]
then i changed the Delayvalidation = True.
When i try to run the package in BIDS it gives the error.
ERROR:
[Excel Source [30501]] Error: An OLE DB error has occurred. Error code: 0x80040E37.
[Excel Source [30501]] Error: Opening a rowset for "DailySheet" failed. Check that the object exists in the database.
It saying there is no sheet in the name of "DailySheet" but when i removed the expression in connection manager property it is working fine.
Please let me know what is the problem OR how to configure the dynamic connection in ExcelSource.
Thanks
Thiru
SE - SSIS
Chennai
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