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https://issues.apache.org/jira/browse/SOLR-10682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024980#comment-16024980
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Joel Bernstein commented on SOLR-10682:
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The problem I see with overloading the function names is the following scenario:
{code}
select(timeseries(collection, q="*:*", start="...", end="...", gap="...",
var(fieldx)),
add(var(fieldx), 1) as outField))
{code}
In this scenario is var(fieldx) referring to the aggregation result or to the
var Stream Evaluator. I don't think there is an easy way to deal with issue. So
I think we should separate the Stream Evaluator function names from the
aggregation function names to avoid this situation.
[~dpgove], any thoughts on the example?
> Add variance Stream Evaluator
> -----------------------------
>
> Key: SOLR-10682
> URL: https://issues.apache.org/jira/browse/SOLR-10682
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
>
> The variance Stream Evaluator will calculate the variance of a vector of
> numbers.
> {code}
> v = var(colA)
> {code}
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