Calcite might support this in 0.14. I know group by support was improved lately. It might be as simple as upgrading the dependency? A test case showing the NPE would be helpful. We are using MySQL dialect under the hood with Calcite.
Kevin Risden On Tue, Oct 17, 2017 at 8:09 AM, Joel Bernstein <joels...@gmail.com> wrote: > This would be a good jira to create at ( > https://issues.apache.org/jira/projects/SOLR) > > Interesting that the query works in MySQL. I'm assuming MySQL automatically > adds the group by field to the field list. We can look at doing this as > well. > > Joel Bernstein > http://joelsolr.blogspot.com/ > > On Tue, Oct 17, 2017 at 6:48 AM, Dmitry Gerasimov < > dgerasi...@kommunion.com> > wrote: > > > Joel, > > > > Thanks for the tip. That worked. I was confused since this query works > > just fine in MySQL. > > It would of course be very helpful if SOLR was responding with a > > proper error. What’s the process here? Where do I post this request? > > > > Dmitry > > > > > > > > > > > ---------- Forwarded message ---------- > > > From: Joel Bernstein <joels...@gmail.com> > > > To: solr-user@lucene.apache.org > > > Cc: > > > Bcc: > > > Date: Mon, 16 Oct 2017 11:16:28 -0400 > > > Subject: Re: Parallel SQL: GROUP BY throws exception > > > Ok, I just the read the query again. > > > > > > Try the failing query like this: > > > > > > SELECT people_person_id, sum(amount) as total FROM donation GROUP BY > > > people_person_id > > > > > > That is the correct syntax for the SQL group by aggregation. > > > > > > It looks like you found a null pointer though where a proper error > > message > > > is needed. > > > > > > > > > Joel Bernstein > > > http://joelsolr.blogspot.com/ > > > > > > On Mon, Oct 16, 2017 at 9:49 AM, Joel Bernstein <joels...@gmail.com> > > wrote: > > > > > > > Also what version are you using? > > > > > > > > Joel Bernstein > > > > http://joelsolr.blogspot.com/ > > > > > > > > On Mon, Oct 16, 2017 at 9:49 AM, Joel Bernstein <joels...@gmail.com> > > > > wrote: > > > > > > > >> Can you provide the stack trace? > > > >> > > > >> Are you in SolrCloud mode? > > > >> > > > >> > > > >> > > > >> Joel Bernstein > > > >> http://joelsolr.blogspot.com/ > > > >> > > > >> On Mon, Oct 16, 2017 at 9:20 AM, Dmitry Gerasimov < > > > >> dgerasi...@kommunion.com> wrote: > > > >> > > > >>> Hi all! > > > >>> > > > >>> This query works as expected: > > > >>> SELECT sum(amount) as total FROM donation > > > >>> > > > >>> Adding GROUP BY: > > > >>> SELECT sum(amount) as total FROM donation GROUP BY people_person_id > > > >>> > > > >>> Now I get response: > > > >>> { > > > >>> "result-set":{ > > > >>> "docs":[{ > > > >>> "EXCEPTION":"Failed to execute sqlQuery 'SELECT sum(amount) > > as > > > >>> total FROM donation GROUP BY people_person_id' against JDBC > > connection > > > >>> 'jdbc:calcitesolr:'.\nError while executing SQL \"SELECT > sum(amount) > > as > > > >>> total FROM donation GROUP BY people_person_id\": null", > > > >>> "EOF":true, > > > >>> "RESPONSE_TIME":279}]} > > > >>> } > > > >>> > > > >>> Any ideas on what is causing this? Or how to debug? > > > >>> > > > >>> > > > >>> Here is the collection structure: > > > >>> > > > >>> <field name="id" type="string" indexed="true" stored="true" > > > >>> required="true" > > > >>> multiValued="false"/> > > > >>> <field name="people_person_id" type="int" indexed="true" > > stored="true" > > > >>> required="true" multiValued="false" docValues="true"/> > > > >>> <field name="group_id" type="int" indexed="true" stored="false" > > > >>> required="true" multiValued="false"/> > > > >>> <field name=“amount" type="float" indexed="true" stored="true" > > > >>> multiValued="false" docValues="true"/> > > > >>> > > > >>> > > > >>> Thanks! > > > >>> > > > >> > > > >> > > > > > > > > > >
