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Posted to issues@lucene.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/01/25 18:35:00 UTC
[jira] [Commented] (SOLR-15078) ExpandComponent treats all docs
with '0' in a numeric collapse field the same as if null
[ https://issues.apache.org/jira/browse/SOLR-15078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17271597#comment-17271597 ]
ASF subversion and git services commented on SOLR-15078:
--------------------------------------------------------
Commit 47a89aca715e18402c183ed15a6076603c63ec52 in lucene-solr's branch refs/heads/master from Chris M. Hostetter
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=47a89ac ]
SOLR-15078: Fix ExpandComponent behavior when expanding on numeric fields to differentiate '0' group from null group
> ExpandComponent treats all docs with '0' in a numeric collapse field the same as if null
> ----------------------------------------------------------------------------------------
>
> Key: SOLR-15078
> URL: https://issues.apache.org/jira/browse/SOLR-15078
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Assignee: Chris M. Hostetter
> Priority: Major
> Attachments: SOLR-15078.patch
>
>
> ExpandComponent has an equivalent to the collapse qparser bug tracked in SOLR-15047...
> {quote}...has some very, _very_, old code/semantics in it that date back to when the {{FieldCache}} was incapable of differentiating between a document that contained '0' in the field being un-inverted, and a document that didn't have any value in that field.
> This limitation does not exist in DocValues (nor has it existed for a long time) but as the DocValues API has evolved, and as the [...] code has been updated to take advantage of the newer APIs that make it obvious when a document has no value in a field, the [...] code still explicitly equates "0" in a numeric field with the "null group"
> {quote}
>
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