DT_14 And DT_wstr
Feb 28, 2008
Hi,
In excel file, I have one column CertNum. The Sqlserver destination column is CertNum of type int. I am using one data conversion to convert excel CertNum to integer datatype. I am getting the error like Potentila loss of data, truncation occurs. So Before doing the Data Conversion I included one Derived column with the expression
ISNULL([CertNum) || [CertNum] == "" ? 0 : [CertNum]. Then here I am getting error: The DT_14 and DT_WSTR are incomaptable datatypes.
How to avoid this error?
Thanks in advance
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Feb 25, 2007
Hi!
I have a Fact_data flow with several Lookups.
In one there's OLE Db source DT_14 (persons id's) which need to be compared to a column DT_18 from Dim_salesperson. Thats how I could collect the ID's from
Dim_salesperson into OLE DB Destination. How could I compare, DT_14 data with DT_18?
First converting DT_14 to character. Secondly char to DT_18?
I would be so grateful if someone could give an idea...
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Apr 14, 2008
Hello How can we convert DT_WSTR (Unicode) to DT_STR (Data string)
i cant use DATA CONVERSION transformation
Using SQL and SSIS
Please let me know
Thanks
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Jul 5, 2007
Hello, all.
Why is it that, despite what is said in the sketchy SQL Help content, it appears to be impossible to cast a string to an integer in the Expression Builder to generate a value for a variable? More specifically, why does the following expression cause an error?
(DT_UI4) (SUBSTRING(@[User::FullDataPath], LEN(@[User:ataPath]) + 1, 2))
I'm iterating over files and using the name of a given file as an ID for an operation. I simply want to grab a file name using the Foreach Loop Container and process that file, while at the same time use the name in another operation. The file name will be something like "2.txt" (full path something like "c:somethingsomething2.txt"). I can use string functions to return the file name, which is a number as a string, and it should be no problem to cast that number as a string to a number (an Int32). SQL Server 2005 help has a chart that indicates such a cast is legal.
Maybe it's a crazy thing to be doing. Maybe I have to go about this a completely different way, but casting from "2" to 2 should be possible in the Expression Builder.
Thanks for any help.
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May 15, 2008
(DT_DBTIMESTAMP)(TRIM("01-01-" + (DT_WSTR,4)(Year)))
Hello I want to know what is the significance of putting DT_DBTIMESTAMP and DT_WSTR in the above line,
Thanks
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May 2, 2007
Hi all,
Actually trying to add one month to current variables value so I can process per month data in for loop for that I have written the following statement in Assign Expression Part of For Loop
dateadd("Month",1,((DT_DBDATE)(@[User::_year]+"/"+@[User::_month]+"/"+"01"))) here I am getting the error message that error converting from data type dt_wstr to to datatype dt_dbdate
@[User::_year] contains year value like 2003 and @[User::_month] contains month value like 1 using these variables I want to add the month to the date created by using these both variables.
so this is the first part to add the month to date and other part is to assign new value to variables by using datepart function
any help and guidance related to this whether I am doing right or not if any other wayout to acheive this goal.
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Feb 6, 2006
Below is the error I get when trying to convert a Visual FoxPro memo field to a DT_WSTR (4000 ) in a SQL table. It does not let me convert a DT_TEXT to a DT_WSTR.
Thank in advance
TITLE: Editing Component
------------------------------
The component is not in a valid state. The validation errors are:
Error at NMF [Data Conversion [6328]]: Conversion from "DT_TEXT" to "DT_WSTR" is not supported.
Do you want the component to fix these errors automatically?
------------------------------
BUTTONS:
&Yes
&No
Cancel
------------------------------
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Oct 24, 2006
The IC column referenced in the script below is DT_NTEXT, so when I run it the output value column gets "Microsoft.SqlServer.DTS.Pipeline.BlobColumn" instead of the individual codes (separated by "*"). Also, there is only 1 output row per input row, instead of 1 output row per code.
I found some references to the GetBobData() method, but replacing Row.IC.ToString() with Row.IC.GetBlobData(0, CInt(Row.IC.Length)).ToString() puts "System.Byte[]" in the value output column. There is still only output row per input row.
So how do I convert the IC column to a String that can be Split()?Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Dim seq As Integer = 0
For Each code As String In Row.IC.ToString().Split("*"c)
'Add a row to the output buffer:
Output0Buffer.AddRow()
'Preserve columns from the input buffer:
Output0Buffer.itemid = Row.itemid
Output0Buffer.attributeid = Row.attributeid
'Output0Buffer.IC = Row.IC
'Add output columns:
Output0Buffer.seq = seq
Output0Buffer.value = code
seq += 1
Next
End Sub
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Sep 8, 2006
I'm using a Lookup component to add a DT_GUID column named cat_id to a data flow, which is used in a downstream Derived Column component to add a DT_WSTR column named value. The DC expression simply casts the uniqueidentifier to the desired type: (DT_WSTR, 434)cat_id
But when the values are persisted in the destination table's nvarchar(434) column, they have braces around them, e.g. {F475DB7F-5CB0-4EE1-9BF2-758C77D7A6D7}
What is introducing those braces, and what do I need to do to prevent it?
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Jun 23, 2006
I am building a data warehouse. Some of the data comes from an AS 400 EPR system. I used the OLEDB connector when first pulling the data into SQL Server doing simple import data from table option. That worked great for getting the initial data load into SQL Server and creating the base SQL Server tables although it was excruciatingly slow (that was probably due to the transport from the AS 400).
Now, I need to get new records that are added to the AS400 side of things on a daily basis. For that, I was trying to use the OLEDB AS400 connector. However, I found that the OLEDB connector wouldn't work when I was trying to specify an SQL Statement for what to get; i.e., a simple query like Select * from TWLDAT.STKT where BYSDAT >= '2005-01-27' would simply not work. Found articles here explaining that it is probably a problem on the AS400 side of things and where people recommended using an ADO ODBC data reader source for this type of thing. So, I'm trying to implement that. However, I have a huge problem with it.
The original tables that got created were mapped to use NVARCHAR fields for character data. When the ADO ODBC data reader source accesses the AS400 data, it insists on interpreting the string type fields as being unicode strings and giving it a data type of DT_WSTR when what I need it to have is a plain old DT_STR data type. When the strings are interpreted as unicode strings, they cannot be converted in a way that allows the NVARCHAR fields to be filled with the data. The exact error message I get for all the fields that should wind up being nvarchar fields is as follows:
Column "BYStOK" cannot convert between unicode and non-unicode string data types.
Okay, so I try to change the data types in the ADO ODBC data reader to be plain DT_STR data types and I cannot do so.
Does anyone have any idea why the ADO ODBC data reader source insists on interpreting the string data coming from the AS 400 as unicode string data or why it refuses to allow that to be changed to DT_STR data type?
Thanks in advance for any info. By the way, if there is a better way than the ADO ODBC data source to get at this data when I need to specify an SQL command, I would love to hear about it. Not wild about using ODBC in the OLEDB age.
Steve Wells
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