morpheus

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Compute detailed relationship type from WHERE clause

2

https://github.com/opencypher/cypher-for-apache-spark/blob/3afbaabb55d6ec808e7b181f80911e332fef8aa1/src/test/scala/org/opencypher/caps/ir/impl/block/TypedMatchBlockTest.scala#L47

pstutz

https://github.com/opencypher/cypher-for-apache-spark/blob/52f228eb4ee53f0fcdab5eabce075de00e903d0e/spark-cypher/src/main/scala/org/opencypher/spark/impl/table/SparkTable.scala#L105-L114

pstutz

Implement index based list access for complex lists

1

Index base list access for complex lists (e.g. lists of relationships) needs to work differently than for simple lists. Essentially this becomes a projection of the list entry column and...

DarthMax

Add a few lines that show how to get the `schema.json` from a Neo4j DB. Could be commented-out because it's a bootstrap activity.

Mats-SX

If possible add logging that integrates with Spark logging/UI

1

- Use Spark logging instead of println for our existing debug flags - Tag/group Spark jobs with the CAPS operation that triggered them

pstutz

`UNION ALL` does not work when the same graph appears multiple times in the union

1

We use the QGN or the graph itself as they key to store retaggings, so we cannot have different retaggings for the same graph which would be required when doing...

pstutz

Loading a Graph with Cypher inserts

5

I'm trying to get this working, but all data I have is stored as a Cypher insert. So far as I can tell, there isn't a way to load data...

dboshardy

As a separate module, we can bundle Spark plus a shell implementation that automatically starts a `CAPSSession` similar to how `spark-shell` starts a `SparkSession`, allowing one to start registering sources...

Mats-SX

Is there any workaround to run cypher "path"

9

Morpheus does not support "path" (https://github.com/opencypher/morpheus/blob/master/documentation/asciidoc/cypher-cypher9-features.adoc), but I encountered a problem which requires "path", I'd like to know is there any workaround. ``` MATCH path = (start:Application {alias: "r1shsummaryv2"})-[:DependsOn*]->(end:Application {alias:...

ministat

Question about development on this project

5

Hello everybody, I am a researcher working on GQL and graph querying, both theoretical and practical issues. We have currently some funding to start a mini-project to see if we...

hidders