[jira] [Created] (SOLR-7247) sliceHash for compositeIdRouter is not coherent with routing

["Paolo Cappuccini (JIRA)" <ji...@apache.org>]

Paolo Cappuccini created SOLR-7247:
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             Summary: sliceHash for compositeIdRouter is not coherent with routing
                 Key: SOLR-7247
                 URL: https://issues.apache.org/jira/browse/SOLR-7247
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.10.3
            Reporter: Paolo Cappuccini


in CompositeIdRouter the function sliceHash check routeField configured for collection.
This make me to guess that intended behaviour is manage alternative field to  id field to hash documents.

But the signature of this method is very general ( can take id, doc or params) and it is used in different ways from different functionality.

If i configure routeField i noticed that is broken the DeleteCommand (this pass to sliceHash only "id" and "params" ) and SolrIndexSplitter ( this pass only "id" )

It should be forbidden to specify RouteField to compositeIdRouter or implements related functionality to make possible to hash documents based on RouteField.

in case of DeleteCommand command the workaround is to specify "_route_" param in request but in case of Index Splitting is not possible any workaround.

In this case it should be passed entire document during splitting ("doc" parameter") or build params with proper "_route_" field.



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