Neo4j

FrankR85 · 12-14-2020

We want to store a simple graph: (p:Person {id: 5)-[:LIKES]->(s:Song) When we receive new information about the songs that a person likes, we want to first delete existing LIKE-relationships for this personcreate the new ones The last part is easy: f...

FrankR85 · 12-07-2020

Before we create a new customer we want to be sure to delete all possibly existing direct relationships. How can we do that? unwind $customers as customer CALL apoc.cypher.runMany( 'match (c:Customer {id: $myCustomer.id})-[]->(n) detach delete n; ...

FrankR85 · 08-31-2020

Location: Münster All details can be found here: https://www.lucke-edv.de/projekte/projekte-details/neo4j-spezialist-m-w-d.html?pos=3056

FrankR85 · 12-15-2020

Thank you! This query works fine! I don't know what you mean with the question about the driver. We use a Cypher-Template as Neo4j streams sink ingestion strategy.

FrankR85 · 12-14-2020

Thank you for your reply! We would split the statement if we could, but we are using Neo4j streams and we noticed a massive degrade in throughput when we used apoc.cypher.runMany. It is up to 10x slower than a plain Cypher query. That being said, I ...

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DELETE all relationships before creating new ones

DELETE and CREATE in one statement

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Re: DELETE all relationships before creating new ones

Re: DELETE all relationships before creating new ones