"Merge source" supporting prefilters
Not plannedIt would be useful if we could use prefilters in the "merge source" pipe, in the same way we use it for hops.
Use cases:
- Split entities based on rdf:type from the same dataset into different globals (Instead of creating new pipes).
- Merge entites based on rdf:type from a global dataset into a preparation pipe (So we don´t need to process the whole global and then filter out in the dtl).
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Official comment
The use cases are a bit too generic. Could you please provide a more concrete use case for each of the two?
Comment actions -
Split entities based on rdf:type from the same dataset into different globals (Instead of creating new pipes):
In Elvia we have some cases where we need to split data from one table into two globals (example: split into global-grid and global-meterpoint). Instead of having two intermediate pipes doing this, it would be nice to use "prefilters"/"subset" in the merge pipe directly.
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