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https://issues.apache.org/jira/browse/COUCHDB-3305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901995#comment-15901995
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ASF subversion and git services commented on COUCHDB-3305:
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Commit 1f152daaac23dc96132139fb532786f77becdd64 in couchdb-couch's branch
refs/heads/master from ILYA Khlopotov
[ https://git-wip-us.apache.org/repos/asf?p=couchdb-couch.git;h=1f152da ]
Fix initial accumulator value for builtin_sum_rows
This a fixup for https://github.com/apache/couchdb-couch/pull/229.
The initial value for accumulator suppose to be 0. Since the result of
sum and count is integer. The problem was discovered by dialyzer.
COUCHDB-3305
> don't crash with invalid input to built in reducer function
> -----------------------------------------------------------
>
> Key: COUCHDB-3305
> URL: https://issues.apache.org/jira/browse/COUCHDB-3305
> Project: CouchDB
> Issue Type: Improvement
> Components: Database Core
> Reporter: Tony Sun
> Assignee: Tony Sun
>
> When users use a built in reduce function such as _sum, and documents have
> invalid input, we currently crash and return a 500 with error message. This
> improvement will return an error row without crashing for better debugging.
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