Neo4j

SvenBarbarian · 09-22-2022

I have designed a Cypher query that: - checks if a parent node has a child node of certain relationship, if not creates child node- checks if the parent node has a child node where property does not match new data, if so it creates a new child node- ...

SvenBarbarian · 09-27-2022

At the time of running this query it is unknown if an existing link exists, it might be null or it might point to an existing rel/node (which it then needs to check if forMatchedId matches). Yes, there is a separate query that runs and sets the "curr...

SvenBarbarian · 09-26-2022

A linked list is another way to implement idempotent versioning but I don't think it's a solution to what I am experiencing. I initially considered a linked list but felt it was not needed, traversing a history of edits node by node did not seem impo...

SvenBarbarian · 09-25-2022

Thanks for the response, I made a typo for "rates" when simplifying the query for posting. My goal is to created an immutable record of changes ("version"'s), these are linked to the parent node by a "has" relationship (not important in this query), ...

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Cypher returning a node object when node should not exist

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