samuel ma created SOLR-15540:
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Summary: Duplicated add document when Solr7 upgrade to Solr8
Key: SOLR-15540
URL: https://issues.apache.org/jira/browse/SOLR-15540
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: update, UpdateRequestProcessors
Affects Versions: 8.8.2
Environment: SolrCloud Solr 8.8.2
Reporter: samuel ma
We upgrade Solr7.7.2 to Solr8.8.2, keep using the Solr 7 index data, the query
operation is fine. But when we try to add the doc (with the same doc id,
actually is an update operation) to Solr8, we actually see 2 doc with the same
id, which means the update did not remove the Solr7 doc.
Below is the schema.xml configuration:
{code:java}
<field name="id" type="string" indexed="true" stored="true" required="true"
multiValued="false" />
<field name="_root_" type="string" indexed="true" stored="false"/>
<uniqueKey>id</uniqueKey>
{code}
Also add nested in Solr8
{code:java}
<fieldType name="_nest_path_" class="solr.NestPathField" />{code}
Also I can see in Sol7 code
{code:java}
DirectUpdateHandler2.updateDocOrDocValues{code}
use the idTerm as updateTerm, but in this case Solr8 use rootTerm as the
updateTerm. is this an expected behavior?
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