Can A Data Flow Task Mimic Bulk Insert?
May 31, 2006
Hi Guys,
The way I understand a Data Flow Task is that it inserts the rows from the source to destination one by one. Is there a way to make it act like a bulk insert task? We have been experiencing performance issues when inserting a lot of rows from one table to another. If there's no way to actually do it, can a bulk insert task functionality be scripted? Coz what I need is a table to table insert, and the bulk insert task only accepts data files as sources.
Thanks!
Kervy
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May 31, 2007
I have an SSIS Package which is designed to import log files. Basically, it loops through a directory, parses text from the log files, and dumps it to the database. The issue I'm having is not with the package reading the files, but when it attempts to write the information to the db. What I'm seeing is that it will hit a file, read 3000 some lines, convert them (using the Data Conversion component), and then "hang" when it tries to write it to the db.
I've run the SQL Server Profiler, and had originally thought that the issue had to do with the collation. I was seeing every char column with the word "collate" next to it. On the other hand, while looking at the Windows performance monitor, I see that the disk queue is maxed at 100% for about a minute after importing just one log file.
I'm not sure if this is due to the size of the db, and having to update a clustered index, or not.
The machine where this is all taking place has 2 arrays- both RAID 10. Each array is 600 GB, and consists of 8 disks. The SSIS package is being executed locally using BIDS.
Your help is appreciated!
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Nov 2, 2006
I'm importing a large csv file two different ways - one with Bulk Import Task and the other way with the Data Flow Task (flat file source -> OLE DB destination).
With the Bulk Import Task I'm putting all the csv rows in one column. With the Data Flow Task I'm mapping each csv value to it's own column in the SQL table.
I used two different flat file sources and got the following:
Flat file 1: Bulk Import Task = 12,649,499 rows; Data Flow Task = 4,215,817 rows
Flat file 2: Bulk Import Task = 3,403,254 rows; Data Flow Task = 1,134,359 rows
Anyone have any guess as to why this is happening?
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Mar 12, 2008
I am using SQL 2005 SSIS. I am joining several large tables and then the move result into another table in the same database.
I would like know which method is faster:
Use Execute SQL Task to insert the result set to the target table
Use the Data Flow Task to insert the result set to the target table. (Use OLE DB source to execute SQL command and then use the SQL destination)
Could you tell me why then other is slower?
Thanks.
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Sep 28, 2007
I have created an SSIS Package that takes data in an excel file and writes it to an Oracle Database. The excel file has 5 columns, but the database tabls has many additional columns. I would like to default some of these other columns for this job. For instance, I want to set the created and updated times to the time when the job ran, and set some other fields to values that will be consistent for every row in the job.
How do I accomplish this?
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Jan 29, 2008
I need to call a stored procedure to insert data into a table in SQL Server from SSIS data flow task.
I am currently trying to use OLe Db Destination, but I am not sure how to map inputs to OLE DB Destination to my stored procedure insert.
Thanks
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Apr 18, 2008
Hello,
I'm just learning SSIS and I've hit my first bump. I am doing a bulk import from a tab delimited text file to an empty sql table that has a Idendity column defined. How do I tell the bulk insert task to skip that column when inserting from the text file. If I remove the identity column it imports the data fine, but I want to create the indentity column in the table too.
Thanks.
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Apr 8, 2008
I receive the following error message when I try to use the Bulk Insert Task to load BCP data into a table:
Error: 0xC002F304 at Bulk Insert Task, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 4. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (overflow) for row 1, column 1 (rowno).".
Task failed: Bulk Insert Task
In SSMS I am able to issue the following command and the data loads into a TableName table with no error messages:
BULK INSERT TableName
FROM 'C:DataDbTableName.bcp'
WITH (DATAFILETYPE='widenative');
What configuration is required for the Bulk Insert Task in SSIS to make the data load? BTW - the TableName.bcp file is bulk copy file as bcp widenative data type. The properties of the Bulk Insert Task are the following:
DataFileType: DTSBulkInsert_DataFileType_WideNative
RowTerminator: {CR}{LF}
Any help getting the bcp file to load would be appreciated. Let me know if you require any other information, thanks for all your help.
Paul
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Dec 28, 2007
Hi,
I'm trying to implement an incremental data pull (Oracle to SQL) based on Andy's blog:
http://sqlblog.com/blogs/andy_leonard/archive/2007/07/09/ssis-design-pattern-incremental-loads.aspx
My development machine is decent: 1.86 GHz, Intel core 2 CPU, 3 GB of RAM.
However it seems the data flow task gets hung whenever I test the package against the ~6 million row source, as can be seen from these screenshots. I have no memory limitations on the lookup transformation. After the rows have been cached nothing happens. Memory for the dtsdebug process hovers around 1.8 GB and it uses 1-6 percent of CPU resources continuously. I am not using fast load to insert new records into my sql target table. (I am right clicking Sequence Container 3 and executing this container NOT the entire package in the screenshots)
http://i248.photobucket.com/albums/gg168/boston_sql92/1.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/2.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/3.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/4.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/5.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/6.jpg
The same package works fine against a similar test table with 150k rows.
http://i248.photobucket.com/albums/gg168/boston_sql92/7.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/8.jpg
The weird thing is it only takes 24 minutes for a full refresh of the entire source table from Oracle to the SQL target table.
Any hints,advice would be appreciated.
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Nov 2, 2007
Does anyone know how to do a bulk insert using just the script task? I've been searching everyehere but can't seem to find a sample.
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Aug 6, 2007
HI,
I have been trying to solve the locking problem from past couple of days. Please help mee!!
Scenario:
--------------
I have a SSIS package in which 2 data flow tasks. 1st data flow task deletes records from a 5 tables and the 2nd data flow task should insert records into 1 of the five tables after the success of 1st data flow task. This scenario runs in Transacation.
The above scenrio in the 2nd data flow task hangs in runtime. It does not complete. with sp_who2 command i could see that there is an intent share lock(LK_M_IS) on the table and the status is SUSPENDED.
I dont know how to come out of this locking. Please help.
Thanks ,
Sunil
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Jul 6, 2006
I am trying to use the Bulk Insert Task to load from a csv file. My final column is a bit that is nullable. My file is an ID column that is int, a date column that is mm/dd/yyy, then 20 columns that are real, and a final column that is bit. I've tried various combinations of codepage and datafiletype on my task component. When I have RAW with Char, I get the error included below. If I change to RAW/Native or codepage 1252, I don't have an issue with the bit; however, errors start generating on the ID and date columns.
I have tried various data type settings on my flat file connection, too. I have tried DT_BOOL and the integer datatypes. Nothing seems to work.
I hope someone can help me work through this.
Thanks in advance,
SK
SSIS package "Package3.dtsx" starting.
Error: 0xC002F304 at Bulk Insert Task, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Error: 0xC002F304 at Bulk Insert Task 1, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Task failed: Bulk Insert Task 1
Task failed: Bulk Insert Task
Warning: 0x80019002 at Package3: The Execution method succeeded, but the number of errors raised (2) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "Package3.dtsx" finished: Failure.
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May 4, 2006
Hi,
I am trying to create a simple BI Application for SSIS. In Visual Studio 2005 I just get a Data Flow Task from the toolbar and add it to the project. When I double click it I get the following error:
The task with the name "Data Flow Task" and the creation name "DTS.Pipeline.1" is not registered for use on this computer.
Then when I try to delete it it gives this other error:
Cannot remove the specified item because it was not found in the specified Collection.
I am creating this application in an administrator account in this computer, so I doubt the problem is related to permissions. I am running SQL Server 2005 and Visual Studio 2005 in WinXP Tablet PC Edition.
Any suggestions why this is happening and how to fix it?
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Oct 2, 2007
I have a stored procedure that is executed via a sql script task that returns a full result set. I map this result set to a variable or object type. Is there a way to use this variable as a data source in a subsequent data flow task?
A.
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Jan 12, 2001
I am using the Bulk Insert task object in DTS and I am using a format file as well to import data from a text file. I was able to insert data into my SQL table fine when I did not have a identity column defined in my table; however, I added a identity field and now the bulk insert will not work. Anyone had a similiar problem?
The error msg box that pops up says:
The statement has been terminated.
string or binary data would be truncated.
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Jan 17, 2008
Im having some issues with bulk insert.
This is the table:
CREATE TABLE [dbo].[tmp_GA_status](
[GA_recno] [int] NOT NULL,
[GA_desc] [varchar](40) NULL
)
This is the file (unicode):
1|"test1"
2|"test2"
3|"test3"
4|"test4"
5|"test5"
6|"test6"
7|"test7"
8|"test8"
and this is the sql:
bulk insert tmp_GA_status from 'C: empTextDumpGA_status.dta'
with (CODEPAGE='RAW', FIELDTERMINATOR='|', ROWTERMINATOR='
', DATAFILETYPE='widechar')
so yeah, pretty simple. But whatever I do I get this;
Msg 4864, Level 16, State 1, Line 1
Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 2 (GA_desc).
So what am I doing wrong ?
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Dec 20, 2007
Hi,
I'm trying to get a record count out of a databse using OLE DB Source and row count tasks but keep getting an error. I set up a variable as int32 and select the variable name in the row count task and when I go to the Input Columns tab to select a field to count, it gives me this error:
Error at Data Flow Task[Row Count[505]]: The component "Row Count" (505) has forbidden the requested use of the input column with lineage ID 32.
I don't even know what this means?
thanks,
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Aug 23, 2007
I want to check sorted data option for bulk insert task on DTS Package. I want to sort data on 1st column. How can I put order by clause on sorted data option? I put ORDER (SSNo) but I am getting error.
Thanks
ss
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Jan 18, 2008
I am doing heavy Bulk insert task to one Database.When i checked the Activity Monitor I saw it was suspended and Wait type:PAGEIOLATCH_EX
So it stopped itself.Do any experts have good idea about what is going on?
Appreciate for help
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Jun 5, 2007
Dear All,
For ex:
In SQL Server 2005 when we create table with 3 columns which has allow nulls option is disabled. Then we try to insert record with blank to any one of the column SQL server throws error, coz column name is NOT Null without inserting data it won't saves the record.
When we try to import a csv data file has 3 columns & has null data. If we use BULK INSERT TASK option, it easily inserts the data, without throwing error.
My question is how can we restrict null data without inserting it into the table using BULK INSERT TASK using SQL Server 2005.
Please suggest me to solve this issue.
Thanks in advance
Karna
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Jan 25, 2007
Hi,
I am using the Bulk Insert Task to bulk copy data from a flat file to a SQL Server 2005 table. The flat file contains pipe ( | ) delimited columns and several thousand records which are {CR}{LF} delimited. The file also contains a header record and trailer record, which contain several words but also contains a ( | ) symbol among those words.
E.g.:
HEDR | yadi yadi yada500 | Data Data | More Data | 600460 | Datum | More More | 705550 | Data | Data | 603FOOTR | yadi yadi yada
I need to ignore the header and trailer records and just pickup the proper records. But even though I manually set the First Row property to 2 and the Last Row property to 4, It does not pickup the first true record i.e. the record which begins with 500, and if I set the First Row to 1, it throws me an error citing 'truncation error' or similar. I think it is taking the first record (i.e. header row along with the first row as one, and since there are now more pipes ( | ) the error is thrown)
I've tried setting different values for these properties but to no avail... Any help will be deeply appreciated...
Thanks
Gogula
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Sep 19, 2006
i need to do a bulk insert for every csv file from a particular folder & i wish to do this programatically.
i hav tried a "foreach" loop & using variables for the filenames but it doesnot seem to be working & i just cant figure out why !!
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Aug 28, 2006
hi,
i have a bulk insert task and i want to transfer to the source connection each time a different
text file name. how do i transfer to the connection source field a parameter with a new name
each time. the name will b excepted as a parameter to the package. can i do it in a bulk insert
task?
thx,
Tomer
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Feb 23, 2007
Hi,
I created a package with SQL 2005. The package gets the Access DB and then inserts it into SQL Server.
If I open the package in .NET, I can see the SQL Task and Data Flow Task. The SQL Task has a property sqlstatementsource, which has the necxessary SQL code to create the tables.
How can I tell the SQL Task to recompile the SQL code if I give it another DB name, because the tables differ and don't map in the Data Flow Task
Thanks
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Mar 16, 2004
Really Don't understand this and have run out of hair to pull out.
DTS package whihc has a Bulk Insert Task. The task is populated with its source filename dynamically. It has a format file which is stored locally to the box its running on.
The output file is from a unix box pipe delimited. Great dandy. All works a treat as long as I treat everything as either an INT or CHAR. But I have a couple of columns that are DATES in the format 13/02/2004.
I want these inserted into smalldatetime columns. Will settle for datetime columns though.
I get an error on every row Bulk Insert data conversion error (type mismatch) for Row X Column 11 (PostingDate) which happens to be the first date column.
Tried loading it as CHAR, SQLDATETIME and SQLDATETIM4 in the format file all to no avail. TRied it with columns in the dest table as DATETIME and SMALLDATETIME
Anyone have any ideas?
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Oct 11, 2007
Using BCP or BULK INSERT you can specify an Error File (-e and ERRORFILE). However this does not seem to be exposed in SSIS via the Bulk Insert Task.
Does anyone know if I'm missing something and the Property is called something else or if can be accessed via script?
Cheers,
-Ryan
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Jan 28, 2008
Hi,
I use a "Bulk Insert Task" inside of a "ForEach Container" and set the ConnectionString-Property of the "FlatFile-ConnectionManager" with an expression, pulling from a variable.
The packages works fine, but I get an Error-Message in the Output-Window:
Fehler: 0xC001401E bei Package, Verbindungs-Manager 'FlatFile': Der in der Verbindung angegebene Dateiname 'c:old.txt' war ungültig.
Translation:
Error: 0xC001401E at Package, Connection-Manager 'FlatFile': Cannot open the file 'c:old.txt'.
(Sorry, in this office is the no english version available).
'C:old.txt' is the initial value of the variable.
The new value is 'C:ew.txt' and I can see the new value in the Debugger or in a Scripttask.
Before the execution of the "Bulk Insert Task" starts, SSIS makes a validation. I have tried to stop the validation on setting the property "DelayValidation" = True (Package,ForEach-Container,BulkInsert-Task,FlatFile-ConnectionManager), but it is not possible to stop the validation and the error-message.
After printing the error-message, the variable is evaluated and the package works fine. After the first loop, there is no more error-message.
The error-message is a problem, because the operators look at the error-output.
As a workaround I can set the property in a Scriptatsk. Is there another solution????
Dan has a blog to this problem, but no solution:
http://www.developerdotstar.com/community/node/347
Thanks
Berthold Neumann
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Oct 5, 2006
I would like to get the rowcount from a bulk insert task to validate that all the data is being inserted correctly. So far the only way that I can see this being done is through a trigger on the target tables. I would like to have this information inside the DTS package. Can anyone help me?
Thanks
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Apr 15, 2008
Hi, ALL
I have a confusion with Bulk Insert task for several days.
Here is what Books Online say, which i totally understand---
"The source file that the Bulk Insert task loads can be on the same server as the SQL Server database into which data is inserted, or on a remote server. If the file is on a remote server, you must specify the file name using the Universal Naming Convention (UNC) name in the path."
Now, If my Bulk Insert task (within a package) is on one server, say ETL ( so when i run the package, it will run from ETL server); but, My destination table where data will be inserted, is in another server, say PROD. So, My OLEDB connection will be pointing to a remote server .Now, If my text file is on ETL server, do i have to give UNC path?..Or If i have text file on the same server as my destination ( here PROD) do i Have to Give UNC naming?. I found in several places that Bulk insert Task runs on that server where its connections points to.
My scnerio: I have multiple SSIS packages. Now These packages will be on ETL server, but all the databases will be hosted on PROD server. Now for my Bulk Insert , I asked them to keep all flat file on ETL server(where packages will be ). Looks like this will give me a problem later, since all my Destination will be on PROD server, during bulk insert , sql server will go and look for those files on PROD server rather than ETL server? Or i AM confused here?......
Say package.dtsx is On SER1which useses bulk insert tasks..
My OLEDB connection is SERV2 database B and Table T
Now my flat file connection is D:myfilefile.txt
Now when i run this task where does these txt file will be pulled from. Does it pulls from local server (SER1) or does it goes to SERV2 looking for txt file.
I tried several combinations of moving files to different servers, yet i have no conclusions.
Thanks, Kumar
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Apr 2, 2007
hi
with my ssis-package i have to read several flatfiles. this files are stored in different folders on a unix machine. in my loop-task i have first a script, that checks whether the file exists. it does, so i set the path to a variable. in the connection-manager for the flat-file i have set source for the file to that variable. the bulk-insert-task starts, read the file and everithing is cool. but, sometimes, the package fails with this message:
[Bulk Insert Task] Error: An error occurred with the following error message:
"Cannot bulk load because the file "\Owpu0kas 0 0 5
eceivedw000005.090"
could not be opened. Operating system error code 53(error not found)."
i stop the degugging-mode, restart debuging and what happens? it runs ... maybe for the next one, two or three files and the error comes again, but never on the same file. i'm going crazy, what can i do?
thanks for your help.
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Mar 23, 2006
i got some bulk insert tasks in SSIS inserting into some tables with identity set ON....
in 1 column. Can the bulk insert task go smoothly?
PS: i cannot find anywhere in the bulk insert task that can set the ignore identity columns...........
now my steps are prepare database -> create database -> bulk insert into tables
working on my previous problem, Jamie.
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Feb 10, 2015
I starting getting random LCK_M_SCH_M locks with huge wait time, which hung my etl proccess.
The ssis package runs like this:
I have 4 containers that run in parallel and do the same thing:
-Convert a tab delimited file from unicode->utf8
-Truncate the table (within a foreach loop)
-Bulk insert the data
Also transaction option is set to Not Supported.
What could be causing the lock?
All for each loops do not overlap regarding tables/files.
Do they contest somehow?
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