INDIRECT LOADING FOR FLAT FILES

Suppose, you have 10 flat files of same structure. All the flat files have same number of columns and data type. Now we need to transfer all the 10 files to same target.

Names of files are say EMP1, EMP2 and so on.

Solution1:

1. Import one flat file definition and make the mapping as per need.

2. Now in session give the Source File name and Source File Directory location of one file.

3. Make workflow and run.

4. Now open session after workflow completes. Change the Filename and Directory to give information of second file. Run workflow again.

5. Do the above for all 10 files.

Solution2:

1. Import one flat file definition and make the mapping as per need.

2. Now in session give the Source Directory location of the files.

3. Now in Fieldname use $InputFileName. This is a session parameter.

4. Now make a parameter file and give the value of $InputFileName.

$InputFileName=EMP1.txt

5. Run the workflow

6. Now edit parameter file and give value of second file. Run workflow again.

7. Do same for remaining files.

Solution3:

1. Import one flat file definition and make the mapping as per need.

2. Now make a notepad file that contains the location and name of each 10 flat files.

Sample:

D:\EMP1.txt

E:\EMP2.txt

E:\FILES\DWH\EMP3.txt and so on

3. Now make a session and in Source file name and Source File Directory location fields, give the name and location of above created file.

4. In Source file type field, select Indirect.

5. Click Apply.

6. Validate Session

7. Make Workflow. Save it to repository and run.