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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2017/01/03 16:40:58 UTC
[jira] [Commented] (SOLR-9916) Add arithmetic operations for the
SelectStream
[ https://issues.apache.org/jira/browse/SOLR-9916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15795468#comment-15795468 ]
Joel Bernstein commented on SOLR-9916:
--------------------------------------
I think the implementation will not be difficult. The tricky part is going to be getting the syntax sorted out. I'll use the comments below to suggest some syntax options.
> Add arithmetic operations for the SelectStream
> ----------------------------------------------
>
> Key: SOLR-9916
> URL: https://issues.apache.org/jira/browse/SOLR-9916
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
>
> One of the things that will be needed as the SQL implementation matures is the ability to do arithmetic operations. For example:
> select (a+b) from x;
> select sum(a)+sum(b) from x;
> We will need to support arithmetic operations within the Streaming API to support these types of operations.
> It looks like adding arithmetic operations to the SelectStream is the best place to add this functionality.
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