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https://issues.apache.org/jira/browse/COUCHDB-801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12879273#action_12879273
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Sebastian Cohnen commented on COUCHDB-801:
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I don't feel like this should go into couchdb itself, since this is only
relevant for testing purposes. It also does not always make sense to "force" a
rereduce for testing e.g. if one key only has one value. you would have to make
sure, that you have enough documents too, in such cases.
For testing your map/reduce-funs, it is much easier and more flexible when you
use the js cli command and call your map and reduce funs in a unit-test
fashion. If you live in the ruby world you could have a look at couch_potato,
which has basic support for unit-testing map/reduce funs.
> Add 'ForceReReduce=true' option to views to ensure that reduce function is
> called
> ---------------------------------------------------------------------------------
>
> Key: COUCHDB-801
> URL: https://issues.apache.org/jira/browse/COUCHDB-801
> Project: CouchDB
> Issue Type: Improvement
> Environment: Any
> Reporter: Bryan White
> Priority: Minor
>
> AFAIK there is no way to force a Map Reduce with rereduce=true to happen,
> other than creating an arbitrary large number of documents. So any bugs in
> handling reduce calls with rereduce=true might not be discovered at
> development time.
> I propose something like a 'ForceReReduce=true' option which will call Reduce
> with rereduce=true (either once overall, or maybe once for each document) in
> order to shake any lurking bugs out of the tree.
> If there *is* such a feature, I apologise; I've looked but can't find it.
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