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https://issues.apache.org/jira/browse/NIFI-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15352983#comment-15352983
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Thad Guidry commented on NIFI-2135:
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We might also want to look in more detail about .upsert(upsert)
The upsert option itself does a replace if NO MATCH
https://api.mongodb.com/java/3.2/com/mongodb/client/model/UpdateOptions.html
which basically prescribes to this kind of handling
https://docs.mongodb.com/manual/reference/method/db.collection.update/
I think PutMongo processor should have an option for the "upsert" with a
help tip ideally?
> PutMongo replacing document instead of updating document
> --------------------------------------------------------
>
> Key: NIFI-2135
> URL: https://issues.apache.org/jira/browse/NIFI-2135
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 0.6.1
> Reporter: Bryan Bende
> Priority: Minor
>
> How can I use put mongo processor to add a new key value pair to an existing
> document? The flow file contains the document object Id. I have set 'mode'
> property to 'update' and 'upsert' property to false and 'update query key'
> property to '_id'. Flow file content is something like this.
> {
> _id:ObjectId(577216f0154b943fe8068079)
> expired:true
> }
> Without inserting the 'expired:true', it replaces the whole document with the
> given one. So is there a way to insert the new key value pair to collection
> without replacing the whole collection in MongoDB using putmongo processor?
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