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https://issues.apache.org/jira/browse/COUCHDB-3418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joan Touzet resolved COUCHDB-3418.
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Resolution: Not A Problem
> _changes returns a single item that says a doc is deleted
> ---------------------------------------------------------
>
> Key: COUCHDB-3418
> URL: https://issues.apache.org/jira/browse/COUCHDB-3418
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Reporter: Paul Kuruvilla
>
> I discovered this while working on maintaining a replica of the npm registry
> (https://replicate.npmjs.com) for Gratipay (https://gratipay.com).
> When I hit the {{/registry/_changes}} endpoint with a filter for {{doc_id =
> 'adam-test'}}, I get back a single change which says that the doc was
> deleted. This looks like a bug, because I'd expect that every 'deleted'
> change would have a corresponding change for when the doc was created.
> (Please correct me if my understanding is wrong)
> Here is a cURL command to replicate the issue:
> {code}
> curl -XPOST -H "Content-Type: application/json"
> https://replicate.npmjs.com/registry/_changes\?limit\=10\&filter\=_doc_ids -d
> '{"doc_ids": ["adam-test"]}'
> {code}
> The output I receive is:
> {code}
> {
> "results": [
> {"seq":1908160,"id":"adam-test","changes":[{"rev":"2-a543a8082c03a641a098fbe39e58afed"}],"deleted":true}
> ],
> "last_seq":1916520
> }
> {code}
> This was the first such occurrence we hit in the ~ 4 million changes that
> we've processed.
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