Github user JohannesDaniel commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2199#discussion_r145408461
--- Diff:
nifi-nar-bundles/nifi-solr-bundle/nifi-solr-processors/src/test/resources/solr/testCollection/conf/schema.xml
---
@@ -16,6 +16,16 @@
<field name="marks" type="int" indexed="true" stored="true" />
<field name="test" type="string" indexed="true" stored="true" />
<field name="subject" type="string" indexed="true" stored="true" />
+
<field name="created" type="date" indexed="true" stored="true" />
+ <field name="id" type="string" indexed="true" stored="true" />
+ <field name="double_single" type="double" indexed="true" stored="true"
/>
+ <field name="integer_single" type="int" indexed="true" stored="true" />
+ <field name="integer_multi" type="int" indexed="true" stored="true"
multiValued="true"/>
+ <field name="string_single" type="string" indexed="true" stored="true"
/>
+ <field name="string_multi" type="string" indexed="true" stored="true"
multiValued="true"/>
+
+ <uniqueKey>id</uniqueKey>
--- End diff --
the uniqueKey field has to be part of the sorting. Well-configured Solr
indexes always include this kind of field as many things will not work properly
without this field. Actually, I have never seen a Solr index without this (and
I have seen a lot ... ;).
---
