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https://issues.apache.org/jira/browse/SOLR-12685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601188#comment-16601188
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mosh commented on SOLR-12685:
-----------------------------
{quote}Perhaps there is a need though to only get that specific doc, and not
the whole block, even though the document is in the block, perhaps in place
update(I am not very familiar with those features, just to make sure)?
{quote}
Now that SOLR-12519 was committed to master, ChildDocTransformer requires
SolrIndexSearcher.
This requirement causes documents to skip transaction log lookup, instead
using a SolrIndexSearcher for docId lookup.
{code:java}
// true in any situation where we have to use a realtime searcher rather then
returning docs
// directly from the UpdateLog
final boolean mustUseRealtimeSearcher =
// if we have filters, we need to check those against the indexed form of
the doc
(rb.getFilters() != null)
|| ((null != transformer) && transformer.needsSolrIndexSearcher());
{code}
{code:java}
if (mustUseRealtimeSearcher) {
// close handles to current searchers & result context
searcherInfo.clear();
resultContext = null;
ulog.openRealtimeSearcher(); // force open a new realtime searcher
o = null; // pretend we never found this record and fall through to use
the searcher
break;
}{code}
I am not quite sure of the performance implications of this requirement.
In case these implications are not deemed as a limiting factor, the trigger
for block lookups could be determined purely by
IndexSchema#isUsableForChildDocs,
removing the need for an additional flag.
[~dsmiley],
your insights would be of the highest of aids.
> RTG should return the whole block if schema is nested
> -----------------------------------------------------
>
> Key: SOLR-12685
> URL: https://issues.apache.org/jira/browse/SOLR-12685
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: mosh
> Priority: Major
> Attachments: SOLR-12638-no-commit.patch
>
>
> Currently Solr's RealTimeGet component return the document if provided a
> docId when consulting the index. For AtomicUpdates for child documents, RTG
> should return the whole block when dealing with a nested schema.
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