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https://issues.apache.org/jira/browse/SPARK-27303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881022#comment-16881022
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Martin Junghanns commented on SPARK-27303:
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As discussed offline with [~mengxr], we merge
https://issues.apache.org/jira/browse/SPARK-27304 and
https://issues.apache.org/jira/browse/SPARK-27305 into this issue.
> Spark Graph API (Scala/Java)
> ----------------------------
>
> Key: SPARK-27303
> URL: https://issues.apache.org/jira/browse/SPARK-27303
> Project: Spark
> Issue Type: Story
> Components: Graph
> Affects Versions: 3.0.0
> Reporter: Xiangrui Meng
> Priority: Major
>
> (1) As a user, I can construct a PropertyGraph and view its nodes and
> relationships as DataFrames.
> Required:
> * Scala API to construct a PropertyGraph.
> * Scala API to view nodes and relationships as DataFrames.
> * Scala/Java test suites.
> (2) As a user, I can save a PropertyGraph after construction to a persist
> storage. Later I can load it back using PropertyGraph APIs with all future
> Spark versions.
> Required:
> * Save/load.
> * Scala/Java test suite.
> (3) As a user, I can query a PropertyGraph using Cypher language. I learned
> the syntax from Cypher V9 language reference
> ([https://s3.amazonaws.com/artifacts.opencypher.org/openCypher9.pdf]) and in
> the API doc I can see what features are (not) supported.
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