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https://issues.apache.org/jira/browse/SOLR-10303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958565#comment-15958565
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ASF GitHub Bot commented on SOLR-10303:
---------------------------------------
Github user covolution commented on a diff in the pull request:
https://github.com/apache/lucene-solr/pull/171#discussion_r110107074
--- Diff: solr/core/src/java/org/apache/solr/handler/StreamHandler.java ---
@@ -199,10 +200,16 @@ public void inform(SolrCore core) {
.withFunctionName("mult", MultiplyEvaluator.class)
.withFunctionName("sub", SubtractEvaluator.class)
.withFunctionName("log", NaturalLogEvaluator.class)
+
// Conditional Stream Evaluators
.withFunctionName("if", IfThenElseEvaluator.class)
;
+ // Date evaluators
--- End diff --
I figured using one class (< 170 lines) to implement 11 date functions was
preferable to lots of little classes. Now I know there's an assumption that 1
class = 1 function, I can re-factor to add all the extra classes.
> Add date/time Stream Evaluators
> -------------------------------
>
> Key: SOLR-10303
> URL: https://issues.apache.org/jira/browse/SOLR-10303
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Attachments: SOLR-10303.patch
>
>
> This ticket will add Stream Evaluators that extract date/time values from a
> Solr date field. The following Evaluators will be supported:
> hour (date)
> minute (date)
> month (date)
> monthname(date)
> quarter(date)
> second (date)
> year(date)
> Syntax:
> {code}
> select(id,
> year(recdate) as year,
> month(recdate) as month,
> day(recdate) as day,
> search(logs, q="blah", fl="id, recdate", sort="recdate asc",
> qt="/export"))
> {code}
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