When you use an arbitrary step to unify streams, the rows remain in the same order as they were in their original stream, but the streams are joined in any order. Take a look at the example's preview, the rows with new features and the rows with bugs remained sorted within their original group. However, you did not tell PDI to put the new features before or after the rows of the other stream. If you care about the order in which the union is made, there are some steps that can help you. Here are the options you have:
|
If you want to ... |
You can do this ... |
|
Append two or more streams and don't care about the order |
Use any step. The selected step will take all the incoming streams in any order ... |
