Allow for aggregate queries in Python MongoDBIO Read
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mongodb
new feature
P3
python
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- Java
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Description
Currently, MongoDBIO in the Python SDK only allows to use basic projections and filters (db.x.find(..)), but not aggregations (db.x.aggregate(..)).
As a pipeline creator, I would like to be able to use aggregations and more complicated queries as input to a beam pipeline. Example use cases are sampling data ($sample), joining foreign data ($lookup),
Imported from Jira [BEAM-8887](https://issues.apache.org/jira/browse/BEAM-8887). Original Jira may contain additional context.
Reported by: corvin.
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