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01-24-2023 01:52 PM
Hi everyone,
i am currently using this query to mark all the nodes and relationships in my graph:
CALL apoc.periodic.iterate(
"
cypher runtime=slotted
MATCH (n)-[r]->(m)
RETURN n, r, m
",
"
SET n.fullLoadDelete = 1,
r.fullLoadDelete = 1,
m.fullLoadDelete = 1
", {batchSize: 10000, parallel: false}
);
Is there any apoc procedure to mark it in a faster way while using less memory? Only to add (mark) to all nodes and relationships a property. Then also to delete, the nodes and relationships, with this property. Thanks!
01-24-2023 02:19 PM
In your approach, you could be setting the same node multiple times, since it will show up multiple times if it has multiple relationships in/out. Since you are setting the same property name on nodes and relationships, you could use the following query. See if it is any faster.
CALL apoc.periodic.iterate(
"
match(n)
return n
union
match()-[n]-()
return n
",
"
SET n.fullLoadDelete = 1
", {batchSize: 10000, parallel: false}
);
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