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10-01-2020 10:18 AM
My intention is to create a csv file from one Neo4j machine in one pc and import such csv file into Neo4j in another machine so that I can copy the graph that exists in another DB.
The export runs fine with the following schema:
"_id","_labels","_start","_end","_type"
"0",":Person",,,
"1",":MOVIE",,,
,,"0","1","RELATION"
But when I try to load using apoc.import.csv
running the following lines
CALL apoc.import.csv(
[{fileName: 'file:/test.csv', labels: ['Person', 'MOVIE']}],
[{fileName: 'file:/test.csv', labels: ['RELATION']}],
{}
)
I recieve the following error:
Failed to invoke procedure apoc.import.csv: Caused by: java.util.NoSuchElementException: No value present
What I am doing wrong? Is there any other way to copy the full graph in one DB into another? Should have I exported two csv, one for nodes and another for relations?
10-01-2020 09:46 PM
Other option instead of CSVs, you could just take a backup of the database and then restore that back up onto the next computer.
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