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titleManaging Future Stream Sets

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future
In some circumstances the input stream may have stream sets that have dates in the future relative to the stream set being generated for the output stream. This may happen, for example, if:

  1. you roll-back some stream sets on the output stream
  2. but do not roll-back the corresponding stream sets on the input stream
  3. and then request that the output stream is brought up to date.

Some of the stream sets on the input stream will have dates in the future relative to some of the stream sets you are rebuilding.

By default, pipes will ignore any stream sets with dates in the future relative to the stream set you are generating. You want to ignore future stream sets when you rebuild an old stream set, because you want the pipe to retrieve the same data on the rerun as it retrieved when the stream set was first built.

Similarly, when you run analysis on a stream with a transactional period, it is possible that as your analysis is still running, a different run can start and complete. This run can generate additional stream sets on the input stream with a future data relative to the date of the stream set you are generating. For transactional input streams, you want the pipe to use these future streams. To do this, tick the Read Future Data checkbox, which is available when Data To Read is All (or Custom).

Note

From version 8.0.6 onwards, the Read Future Data checkbox is always available. This means you can control whether or not PhixFlow processes future stream sets in the input stream for:

  • streams → Basic Settings → Period: any option
  • pipe → Basic Settings → Data To Read: any option


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