[
https://issues.apache.org/jira/browse/SOLR-8925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joel Bernstein updated SOLR-8925:
---------------------------------
Description:
The gatherNodes Streaming Expression is a flexible general purpose breadth
first graph traversal. It uses the same parallel join under the covers as
(SOLR-8888) but is much more generalized and can be used for a wide range of
use cases.
Sample syntax:
{code}
gatherNodes(
friends,
gatherNodes(
friends,
search(articles, q=“body:(query
1)”, fi=“author”),
from=“author”,
walk ="user->friend”),
from=“friend”,
walk=“user -> friend”,
scatter=“branches, leaves”
)
{code}
was:
The gatherNodes Streaming Expression is a flexible general purpose breadth
first graph traversal. It uses the same parallel join under the covers as
(SOLR-8888) but is much more generalized and can be used for a wide range of
use cases.
Sample syntax:
{code}
gatherNodes(friends,
gatherNodes(friends
search(articles, q=“body:(query
1)”, fi=“author”),
from=“author”,
walk ="user->friend”),
from=“friend”,
walk=“user -> friend”,
scatter=“branches, leaves”)
{code}
> Add gatherNodes Streaming Expression to support breadth first traversals
> ------------------------------------------------------------------------
>
> Key: SOLR-8925
> URL: https://issues.apache.org/jira/browse/SOLR-8925
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
>
> The gatherNodes Streaming Expression is a flexible general purpose breadth
> first graph traversal. It uses the same parallel join under the covers as
> (SOLR-8888) but is much more generalized and can be used for a wide range of
> use cases.
> Sample syntax:
> {code}
> gatherNodes(
> friends,
> gatherNodes(
> friends,
> search(articles, q=“body:(query
> 1)”, fi=“author”),
> from=“author”,
> walk ="user->friend”),
> from=“friend”,
> walk=“user -> friend”,
> scatter=“branches, leaves”
> )
> {code}
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