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https://issues.apache.org/jira/browse/SOLR-9146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626102#comment-15626102
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Kevin Risden commented on SOLR-9146:
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Thanks [~ctargett]! I'll double check the ref guide page. There are some
caveats right now to the WHERE support (like one side needs to be a field.)
Both sides being constants (5 < 10) or being fields (fielda > fieldb) are not
supported. This hopefully gets addressed with SOLR-8593. I can add this to the
ref guide page. I'm pretty sure '!=' works (even though it is not standard sql
like <>) I'll double check.
> Parallel SQL engine should support >, >=, <, <=, <>, != syntax
> --------------------------------------------------------------
>
> Key: SOLR-9146
> URL: https://issues.apache.org/jira/browse/SOLR-9146
> Project: Solr
> Issue Type: New Feature
> Components: Parallel SQL
> Reporter: Timothy Potter
> Assignee: Kevin Risden
> Fix For: 6.3
>
> Attachments: SOLR-9146.patch, SOLR-9146.patch
>
>
> this gives expected result:
> {code}
> SELECT title_s, COUNT(*) as cnt
> FROM movielens
> WHERE genre_ss='action' AND rating_i='[4 TO 5]'
> GROUP BY title_s
> ORDER BY cnt desc
> LIMIT 5
> {code}
> but using >= 4 doesn't give same results (my ratings are 1-5):
> {code}
> SELECT title_s, COUNT(*) as cnt
> FROM movielens
> WHERE genre_ss='action' AND rating_i >= 4
> GROUP BY title_s
> ORDER BY cnt desc
> LIMIT 5
> {code}
> on the Solr side, I see queries forumlated as:
> {code}
> 2016-05-21 14:53:43.096 INFO (qtp1435804085-1419) [c:movielens
> s:shard1 r:core_node1 x:movielens_shard1_replica1] o.a.s.c.S.Request
> [movielens_shard1_replica1] webapp=/solr path=/export
> params={q=((genre_ss:"action")+AND+(rating_i:"4"))&distrib=false&fl=title_s&sort=title_s+desc&wt=json&version=2.2}
> hits=2044 status=0 QTime=0
> {code}
> which is obviously wrong ...
> In general, rather than crafting an incorrect query that gives the
> wrong results, we should throw an exception stating that the syntax is
> not supported.
> Also, the ref guide should be updated to contain a known limitations section
> so users don't have to guess at what SQL features are supported by Solr.
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