Joseph Niemiec created NIFI-5589:
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Summary: Clarify putMongo documentation
Key: NIFI-5589
URL: https://issues.apache.org/jira/browse/NIFI-5589
Project: Apache NiFi
Issue Type: Bug
Reporter: Joseph Niemiec
Assignee: Vijeta Hingorani
Today the putMongoDB documentation is very vugae and leads to alot of playing
around to understand exactly how it works. We would improve the documentation
so that others can immediately start to use this processor successfully.
My largest issues where around understanding how the UpdateQuery works, and the
expected content + operators that can be used when performing the update with
operators and not just replacing the entire document.
Here is a misc note I made on my experience doing this.
With the putMongo processor the updateQuery is like a find() in the mongo CLI,
all documents that match the find will be replaced with the flowfile content.
The update mode has 2 choices; whole document or with operators. If your
updating the entire document it expects the json to be properly formated. The
UpdateQuery will return to this processor the documents which need to be
completely replaced with the incoming FlowFile content. If your using this
with operators its expected that the FlowFile content ONLY be the operator part
you need is {$set: {"f1": "val1"} , $inc :{ "count" : 10}}, it doesnt not
support the find() portion that you would expect in the CLI, that part is the
'UpdateQuery'
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