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https://issues.apache.org/jira/browse/SOLR-5275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13778739#comment-13778739
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Varun Thacker edited comment on SOLR-5275 at 9/26/13 1:07 PM:
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{quote}
Your document is clear, but I have one question. Could I use any field to
indicate a parent document? For example, your example uses 'content_type' with
a string value, but could it just as easily be a boolean? If I use a different
field than your example, that is the field I would use in the <allParents> part
of the syntax example, correct?
{quote}
Yes any field can be used to indicate parent document
{quote}
The only additional thing that should be added is if there are any concerns for
performance, or other limitations, that users of this feature should be aware of
{quote}
I could find this -
http://blog.griddynamics.com/2012/08/block-join-query-performs.html
was (Author: varunthacker):
{quote}
Your document is clear, but I have one question. Could I use any field to
indicate a parent document? For example, your example uses 'content_type' with
a string value, but could it just as easily be a boolean? If I use a different
field than your example, that is the field I would use in the <allParents> part
of the syntax example, correct?
{quote}
Yes any field can be used to indicate parent document
{quote}
{quote}
http://blog.griddynamics.com/2012/08/block-join-query-performs.html
> Ref Guide should document BlockJoin support in Solr
> ----------------------------------------------------
>
> Key: SOLR-5275
> URL: https://issues.apache.org/jira/browse/SOLR-5275
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 4.5
> Reporter: Varun Thacker
> Assignee: Cassandra Targett
> Fix For: 4.5
>
> Attachments: SOLR-5275.patch
>
>
> We should add documentation for block join support in Solr.
> In the ref guide there is a section called "Other Parsers"
> (https://cwiki.apache.org/confluence/display/solr/Other+Parsers) . We should
> add BlockJoinChildQParser and BlockJoinParentQParser.
> Also we should add an example on how to index childDocs in XML to make use of
> BlockJoin in Solr.
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