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https://issues.apache.org/jira/browse/SOLR-15789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17467309#comment-17467309
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Andy Lester commented on SOLR-15789:
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PR submitted.
> Explicitly say that "inc" in atomic updates can be negative
> -----------------------------------------------------------
>
> Key: SOLR-15789
> URL: https://issues.apache.org/jira/browse/SOLR-15789
> Project: Solr
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 8.10.1
> Reporter: Andy Lester
> Priority: Minor
> Labels: atomicupdate, documentation
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In [https://solr.apache.org/guide/8_10/updating-parts-of-documents.html] the
> docs say:
> "inc: Increments a numeric value by a specific amount. Must be specified as a
> single numeric value."
> I took this to be an analog to Redis's INCRBY, and I inferred from this that
> the amount could only be a positive integer. Since there was no DECRBY, I
> figured that the values could only increase.
> Of course, it turns out that I can decrement the value by passing inc a
> negative value. I think it would be good to explictly state that in the docs.
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