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| Field | Description | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| From Offset | The offset applied to the start of the collection period, relative to the period in the output stream that requires populating. | ||||||||||||||||
| To Offset | The offset applied to the end of the collection period, relative to the period in the output stream that requires populating. | ||||||||||||||||
| Max Stream Sets | In almost all cases this specifies the number of stream sets to be retrieved from the input stream. However, if this is a push pipe with positive offsets this value indicates the maximum number of stream sets that can be created i.e. the maximum number of cycles this pipe can initiate. | ||||||||||||||||
| Only collect from same run | Every time the analysis engine runs, all of the stream sets that are created by all of the streams affected by that analysis run are given the same Run ID. If this flag is ticked then the pipe will only collect stream sets from the input stream that have the same Run ID as the stream set currently being created by the output stream. You should only use this flag is both the input and output streams are transactional. | ||||||||||||||||
| Historied | If ticked, the pipe will collect data from the input stream by period. So if the from and to offsets are both 0.0, and the output stream requires stream generation for the period 17/10/07 - 18/10/07, data will be collected from the input stream for the period 17/10/07 - 18/10/07. If not ticked, all data will be collected from the input stream, regardless of period. In this case, the offsets are still used to determine whether the required data periods in the input stream exist before the stream calculation can be carried out. | ||||||||||||||||
| Read Future Data | If you are running a transactional stream then it is possible that while your analysis run is taking place, other analysis runs which started after yours may have managed to complete before yours, generating additional stream sets on the input stream. These additional stream sets will then have a future data relative to the date of the Use this option to exclude or include input streams sets that have future dates relative to the stream set you are generating. However, for transactional streams it is possible to tell the pipe to include future stream sets by ticking this box. This field is only available if the input stream is transactional and:
or Data To Read = AllFor details about how future stream sets occur, see Managing Future Stream Sets, above.
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Advanced section
The following fields are configured in the Advanced section:
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