Hi, I want to use Bloom to clean up duplicates visually and via a UI. I have setup the following Scene Action under the name of "Merge Nodes" CALL apoc.refactor.mergeNodes($nodes,{ properties:"combine", mergeRels:true }) YIELD node return node When I select two nodes, and then click on "Scene…

Maybe scene action queries are read-only, which would make sense.

I am not sure that is the case. I notice in crafting scene actions there is a check box for "Write transaction". Additionally I have crafted some that do a write albeit a simple set property command. For writing scene actions the recommended flow is to use a match statement followed by a where cl…

Thank you Andy! I tried both variants: WITH head($nodes) as nodes CALL apoc.refactor.mergeNodes(nodes,{ properties:"combine", mergeRels:true }) YIELD node RETURN node; and Match (n) where id(n) in $nodes with collect(n) as nodes CALL apoc.refactor.mergeNodes(nodes,{ properties:"combine", …

Thanks. It is possible to both create and delete nodes, as well as to create relationships interactively in Bloom, so there is at least some support for mutating the graph - but if this is not a bug there should be some documentation on what kind of write operation is allowed and which isn't.

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Refactoring nodes in Bloom

Neo4j Graph Platform Neo4j Visualization Library (NVL)

cboulanger (Cboulanger) March 6, 2023, 6:50am 6

Maybe this is relevant: Change label of virtual node works in browser but not in bloom scene action - #2 by cboulanger - it is about mutating virtual nodes, but maybe "read access mode" is the key here.

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Help with Cypher using apoc on Bloom scene action Cypher bloom	6	135	March 13, 2025
"Scene Actions" stopped working in Bloom (AuraDB) Neo4j Graph Platform migrated	0	183	January 11, 2023
Bloom scene select all scene nodes like $nodes Neo4j Graph Platform bloom , migrated	0	173	November 26, 2022
Change label of virtual node works in browser but not in bloom scene action Neo4j Visualization Library (NVL) apoc , bloom	1	298	March 5, 2023
Search in Bloom scenes Neo4j Bloom	2	425	January 14, 2022

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Refactoring nodes in Bloom

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