Processing CSV Flat Files With Records Of Number Of Fields
Mar 10, 2008
Hello I have some flat files that contain CSV records with different number of fields but the first 4 fields of each record type are the same of each re. eg there would be an entry of one record that has eight fields and another that has 6 fields. Which of the items in the toolbox can i use to filter the records based on the entry in the first 4 fields so i can process the filtered records.
Thank you
Kenalex
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Jul 13, 2007
Hi All,
I am totally new to SSIS and im in the learing phase. I have a requirement as below,
I have two flat files (mainframe files), the structure i have given below,
File1:
070113
12345johnk
23456james
1st row is header record which has got date in YYMMDD format and remaining rows have emp no and emp name
File2:
070113
070113
070113
070113
contains 4 records which are dates.
The requirement is to compare the header date in file1 with the 4 dates in file2, if they are equal then it should load all the records in file1 except the header into a table and if they donot match then it should log an err msg. Please could someone provide a lead on this.
The files have same record length and fixed field delimited.
Thanks in advance
raj
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Jun 23, 2015
I want to load flat files into a single table. But the flat files can have variable number of columns upto a maximum of 10 columns. The table in my database has 10 columns in it. So in case if I load a flat file having 6 columns then rest of the columns in the table will have nulls. I don't want to use script task for this as I am not good in writing C#code.
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Apr 20, 2007
what is the best way to uses ssis to deal with a CSV file that contains a number of records that contain a different number of fields ?
I could just load as a single column delimited by <CRLF> but then I would have to write the code to parse the line, effectively detokenising the columns myself but if that is the case then why uses ssis at all ?
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Mar 20, 2014
writing the query for the following, I need to collapse the continuity. If the termdate for an ID is one day less than the effdate of the next id (for the same ID) i need to collapse the records. See below example .....how should i write the query which will give me the desired output. i.e., get min(effdate) and max(termdate) if termdate is one day less than the effdate of next record.
ID effdate termdate
556868 1999-01-01 1999-06-30
556868 1999-07-01 1999-10-31
556869 2002-10-01 2004-01-31
556872 1999-02-01 2000-08-31
556872 2000-11-01 2004-01-31
556872 2004-02-01 2004-02-29
output should be ......
ID effdate termdate
556868 1999-01-01 1999-10-31
556869 2002-10-01 2004-01-31
556872 1999-02-01 2000-08-31
556872 2000-11-01 2004-02-29
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Sep 5, 2006
Hello,
How do I import data from a text file into columns (DB_table) that I have created in SQL server 2005?
Data in text file does not have any commas, semicolons, or spaces in between them.
Each instance in the text file consists of 109 characters (real numbers).
I also know that first 4 numbers go in particular field, next 4 go in another field, and next 6 are particular field, and so on.
I also have created columns in a table respectively.
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Sep 7, 2007
Hello,
I have a DTS package that copies data from a fixed width file and inserts it into a SQL Server 2000 table. These files are generated daily, and usually contain about 200k records.
Sometimes, the format of the file between two days can differ slightly. I can't tell if the problem lies with the length of the record string, or the string terminator. The record string is supposed to begin with 'D1'. One file (as viewed in Notepad) will contain the records each in its own row, and each row will start with 'D1'. Another file will show that the first record starts with 'D1', but then the next record does not begin on a new line. Instead the next record continues at the end of the previous record. In this case, 'D1' is preceded with an unrecognized character as if it to indicate a carriage return.
Anyway, in SSIS, when I configure the row width of the fixed width file in the flat file connection manager to 386, and the beginning of all the records are all on their own row, the data processes without a problem. When the records do not all begin on their own row, the data will process fine if I change the row width to 385.
I don't have to compensate for this in DTS. Between SSIS and DTS, both flat file connections are configured with a row delimiter of LF, and no text qualifier. Why will SSIS and DTS process these files differently?
Thank you for your help!
cdun2
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Apr 20, 2007
I cannot seem to get my flat file to write columns in error when inserting into a SQL table. I have tried a few examples from MS and did not get anything written to my flat file output. I have set the Source Error Output on this flat file and it uses a script task to created the error description and then write it to a Flat File Destination.
I am new to SSIS and have not had any formal training on it. However, I am very familiar with VS.Net/c# and SQL 2000 DTS - I need to get this working ASAP as there are 45 total flat files that need to be processed. Once I have this solved for one, the rest will follow suit.
If more details would help, I can provide them.
Kind Regards,
Ron
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Nov 30, 2015
I am facing one process related issue.
I have one task in which i have to collect lots of .txt file having ## delimiter my requirement is to convert the delimiter from ## to comma and save the new file with .dat extension in different folder.
I have done all required process and run the application which should flow like collect source .txt file do Script component processing and create new .dat file with processed data in Data Flow task, but in my Task the Source and Destination start on same time and process start after words which cause empty file or some time a.txt file data stored in b.dat file where as a.dat file is completely empty.
The process should flow in sequence but behavior is totally against the process, i am using Foreach Loop Container for pick up each file.
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Jul 25, 2007
In the code sample below, case eLABEL, eENGUNITS works ok. The target SQL field is defined as varchar(50).
The second section is not so happy. It is attempting to write to an SQL field defined as binary(2)
Executing an SQL script to excercise this line results in error:
System.Data.SqlClient.SqlException: Incorrect syntax near the keyword 'foreign'
where 'foreign' is the name (FieldDef.sFldName) of the SQL field being written.
The c# code composes the following command:
"UPDATE " + acPointType + " SET " + FieldDef.sFldName +
" = @data_params WHERE VEC = '" + acVECName +
"' and name = '" + acPointName + "';";
What is the proper syntax for the second case set?
Code Snippet
case vcidatatype.eLABEL:
case vcidatatype.eENGUNITS:
{
byte[] bbuff = new byte[512];
bbuff = rdr.ReadBytes(FieldDef.iLen);
vciSqlCommand.Parameters.Add(new SqlParameter("@data_params", SqlDbType.VarBinary));
vciSqlCommand.Parameters["@data_params"].Value = bbuff;
break;
}
case vcidatatype.eFIDADR:
case vcidatatype.eLANADR:
{
byte[] bbuf = new byte[512] ;
bbuf = rdr.ReadBytes(2);
vciSqlCommand.Parameters.Add(new SqlParameter("@data_params", SqlDbType.Binary));
vciSqlCommand.Parameters["@data_params"].Value = bbuf;
break;
}
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Sep 21, 2006
Hi,
I'm just starting to learn SSIS and would like some advice on how to handle something I encounter frequently. I often have to connect to a remote FTP site which contains a large number of files. Each day a number of files are added (old files are not purged). So each day I need to download all files which have been added since last time I checked, store on a file server, then load to a SQL database.
I've written a DataFlow using a script which generates a list of files and dumps to a raw file and doing the same for FTP directory listing wouldn't be too hard - I could then feed these into a third DataFlow to work out what the new files were, then a third to download the files to a temp directory etc.
But is there a cleaner way of doing this (I'm not adverse to scripting or even writing my own components - but for maintainability reasons I'd like to keep this as "out of box" as possible)? How are other people approaching this task?
Dave
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May 8, 2007
hi guys,
i have a unique problem here.i get four different type of flat files,which i need to pick up and process parallelly,this i am doing using four different foreach containers for the four load process as i can get multiple files ( i had other issues like rollback etc for using forecah containers).
my problem is,my input file names will have format like this
yyyymmdd_salesdataforproduct_yyyymmdd_hhmmss.txt
here the first date is bussiness date and the second one is the sysytem date..if i get multiple file i have to proceess considering the second date.but by default the foreach loop is considering the first date,what can i do to ensure that only second is used to process my files.
thanks in advance
srikanth
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Mar 1, 2006
Hi…all
I will just explain whole scenario what I m facing in tricky problem..
We have xml files coming at regular interval by some other source into sql server 2000…daily having records near @10000 to 70000…we have job scheduled to run it regular interval…we doing this by some filter criteria… suppose the flow is like staging table into secondary table and then final into primary table….
We design DTS package accordingly means take the records from staging table put into secondary table and then into primary table…(near @ 8 task involved in it…)
Suppose xml file came at 8:30 am and our DTS package will run at 9:00 am…and then 11:00 am and the 1:00 pm like that….what I observing from many days is that after running job at 9:00 am successfully some good data still pending in secondary table not processed into primary table. But when again job ran at 11:00 am it processed that pending good records into primary table…some times when I ran this job manually through DTS design level the good data that pending in secondary table processed!!!
My question is that why this job not processed all the good records in single shot????
T.I.A
Papillon
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Feb 26, 2008
The requirement is to process two zip files in turn.
Each zip will contain either 1 or 2 csv files, but both zips will contain the same number of csv files. The structure of the csvs inside the zips is identical.
I have set up a Foreach Loop container with a File Enumerator to look for *.zip files. The zip file name is successfully retrieved into my 'Zipfile' user variable, and I use this in an Execute Process task to unzip the zip file. So far so good.
However what I now need is to get hold of the name(s) of the csv file(s) that have been unzipped, and use those in my flat file connection strings.
I considered trying to use a nested foreach loop, the outer loop enumerating the zips, and the inner enumerating the csvs. However this is no good because if 2 csvs are present, I need them both available in the control flow at the same time as they need to be merged together.
I'm sure there's a way to do this in SSIS but I'm struggling to identify it. Anyone got any ideas at all?
Thanks guys
KO
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Apr 11, 2007
Hi,
I have built a package in which i use a derived column to create a new set of columns and then pass the same to another target transformation.
The issue now what I am facing is, the re are certain number of records coming from source(16 rows) and gets processed before the Derived Column transformation, but after that, no records gets processed after the derived column transformation.
The package status shows as Success, but there is no records being written in the target table.
Any idea what could be the issue here?
Thanks,
Manish
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Apr 30, 2007
Hello,
I am fairly new to SQL Server 2005 and was curious if this was possible.
In my VB applications I always used Begin Transaction, Commit and Rollback to process records. I just found out that I can perform the same functionality in a stored procedure.
So the question is, if I have an order record and four line item records is there anyway to pass all that to the stored procedure as a unit. I can pass the order record as individual parameters but it is the four (or however many) detail records that is the reason for my question. How can I pass the detail records at one time? Can I pass these as an array or a dataset or something else or am I just out of luck? SQL Server 2005 has impressed me a few times already with what you can do and I am really hoping this can be accomplished also.
Cheers,
Richard
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Feb 19, 2013
I have a large table of customers. I would like to add a column that contains an integer, unique to that customer. The trick is that this file contains many duplicate customers, so I want the duplicates to all have the same number between them.the numbers dont have to be sequential or anything, just like customers having the same one.
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Apr 29, 2008
I am running a pivot query on approx 13000 records. When I run it on the whole dataset it timesout after 30 seconds but when I run it on 6500 (half at a time) it completes in about 2 seconds.
Can someone please help!?
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Apr 29, 2008
I am running a pivot query on approx 13000 records. When I run it on the whole dataset it timesout after 30 seconds but when I run it on 6500 (half at a time) it completes in about 2 seconds.
(I am running SQL Server 2005 through the SQL Server Management Studio on Windows 2003 R2)
Please can someone help!
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Mar 12, 2008
We have a scenario to process last created/modified files from a location using SSIS package , eventhough the folder contains multiple files with same name and extension.
Kindly give respond to this if any one has worked on this.
Regards,
Sajesh
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Jul 6, 2015
I have been tasked with processing a large tabular cube using SQL AS 2014 (with latest CUs).The three Fact tables having 1.2 billion rows (in each table) have been divided into 30 vertical partitions to aid in parallel processing. So around 40 million rows per partition.
Using SQL Profiler to monitor the Row counts (IntegerData) of records processed seems to max out around 2 million rows per minute, then tapers down to about 200k /minute.
The processing is taking over 14 hours and I need to get it lower if possible. The server has 48 cores (2.66MHz) and over 1TB RAM installed. But I really don't ever see CPU exceed 20% having a maximum of 206 threads running on the instance msmdvr.exe
Available RAM is always at least 30% (or 300GB).
I have increased the Vertipaq MIN/MAX 60%/80%
I have increased the OLAP / Processing / Max Thread Pool Min 500 and Max to 1000.
The connection properties have been increased to allow 100 connections, the majority of the processing consumes about 92 connections for the 90 large partition views for the facts.
What can be done to increased the server resource utilization and decrease processing times?
I have increased both
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Dec 27, 2007
Here's a really annoying problem. Let's say you have a text file with 2 million rows.Delimiters all look good and rows are previewed well but the file has a missing row at say lin 1234567 - way deep in the file. When SSIS encounters the blank row, an error is raised and processing on the file STOPS! I verified this in by checking the SSIS log and have even developed an error routine to notify me via email when the error occurs (really cool if I do say so myself ). The main problem still remains - how to resume processing from the point of failure in the file? Any help is appreciated. Thanks.
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Jun 20, 2006
1. how to show page number & total page number in report body?
2. how to show total records number?
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Dec 5, 2000
I have some Large flat fiiles that I need to export to my SQL Server database. The file sizes range from 16 MB to 116 MB. I've tried to save the files to an excel sread sheet and then export them in that format, but that didn't work. does anyone have any suggestions?
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Apr 13, 2007
How can I export data from sql server 2005 table to fixed length flat file without using xp_cmdshell option from sql server stored procedure ?
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Feb 7, 2007
hi all
i using SSIS to import flat files and i need support
how can i import flat file from folder inculed many files and when finish start to next and next .....
if can i select from flat files to add condition
like Select * from.....where ......
thanks
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Jan 24, 2008
Hello Everyone.
I am a bit new to SQL Server but not to DBA or programming per se. I am having difficulties getting either an Excel or Text flat file to import properly.
I guess it would be best to ask, using either SSIS or BULK INSERT, what options need to be entered for a typical excel flat file?
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Oct 18, 2006
In my application I am allowing the users attach files. I found the data type "Image", Will this also allow regular file attachments?
Thanks,
Steve C.
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Jan 20, 2006
Please leave feedback for Microsoft regarding this problem at https://connect.microsoft.com/SQLServer/feedback/ViewFeedback.aspx?FeedbackID=126493
Ok I'm sure it just me, SSIS has been great so far....but how can you import a straight CSV file with and uneven column count.
For example: (assume CR LF row delimiter)
The,Quick,Brown,Fox,Jumps
Hello,World
This,is,a,test
"Normally" I'd expect this
| Col1 |
| Col2 |
| Col3 |
| Col4 |
| Col5 |
The
Quick
Brown
Fox
Jumps
Hello
World
NULL
NULL
NULL
This
is
a
test
NULL
Ok but what we get is the row delimiter is ignored in preference for the column delimiter and the row delimiter gets sucked into the column and the next row starts to get layed down.
So we get
| Col1 |
| Col2 |
| Col3 |
| Col4 |
| Col5 |
The
Quick
Brown
Fox
Jumps
Hello
World{CR}{LF}This
is
a
test
I'm I not seeing a tick box somewhere that says "over here if you want to terminate a row on the row delimiter even if all columns aren't full and we'll pad NULLs in rest of the row columns which you can fix in the flow transformations"
I'm sure it's there.....help!
(By the way SSIS team, great job on the package love using it)
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Apr 2, 2015
I'm trying to import a flat file source into a SQL Server table.
The flat file is pipe-delimited and text qualified with " (double-quotes).
The import job is failing because there is a "comments" field in the flat file and there are carriage returns within some records in the "comments" field. When SSIS encounters a record with a carriage return within that field, it sees the carriage return and assumes the end of the record, even though the field is text qualified with " ".
The actual error message I see is: "
Error 0xc0202055: Data Flow Task 1: The column delimiter for column "comments" was not found.
(SQL Server Import and Export Wizard)
Sample Record:
"418186"|"94"|"Staff Only-Minimum charge out of 3 hours
Plus travel & accommodation costs (if required) – at cost.
All trauma response services & associated fees/costs are required to be formally authorised by the Company prior to delivery."|""|"690"|""
I can't think of a way to get SSIS to ignore the carriage returns within the Comments field in the source flat file!
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Sep 25, 2005
How can I store flat files in SQL SERVER??
Actually I am planning to prepare a repository of different files like .xls, .pdf, .doc, .ppt etc and then i will have a web interface to access these files. Can anybody guide me, How can i store these flat files in datbase.
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Aug 1, 2006
I'm trying to input a few thousand flat files into a few thousand tables in a sql databaseim using integration services with a for each loop to read all the files in a directorythe problem is i can only insert the data from all the files into one tabledoes anyone know a way to do multiple tables? maybe using some sort of variable?
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Nov 3, 2006
Hello,
I have a package that contains 22 data flow tasks, one for each flat file that I need to process and import. I decided against making each import a seperate package because I am loading the package in an external application and calling it from there.
Now, everything works beautifully when all my text files are exported from a datasource beyond my control. I have an application that processes a series of files encoded using EBCDIC and I am not always gauranteed that all the flat files will be exported. (There may have not been any data for the day.)
I am looking for suggestions on how to handle files that do not exist. I have tried making a package level error handler (Script task) that checks the error code ("System::ErrorCode") and if it tells me that the file cannot be found, I return Dts.TaskResult = Dts.Results.Sucsess, but that is not working for me, the package still fails. I have also thought about progmatically disabling the tasks that do not have a corresponding flat file, but it seems like over kill.
So I guess my question is this; if the file does not exist, how can I either a) skip the task in the package, or b) quietly handle the error and move on without failing the package?
Thanks!
Lee.
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