Extracting Metadata from the Input File
Metadata is data describing the data structure.
You can extract metadata from your flat data file or create it by your own. We will show you, how to extract it from input file.
Right-click the first edge and select.
A wizard for metadata extraction opens. Use Browse button to open dialog to specify a file.
input.dat file in
data-in directory and click the OK button.
The Metadata Editor fills up:
Click Next to specify metadata fields.
As you can see, the wizard guessed that the records consisted of three fields and it also understood that the third field values were integer numbers.
You can replace the three default field names (
Field3) with more descriptive ones:
To do that, click the
Field1 item and enter the new field name.
Do the same with the other two field names. The result will look like this:
Now click Finish. This way you have created metadata. The metadata has been assigned to the edge.
You can extract metadata on edges and on input components.