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I'm working on ETL with neo4j in Oracle on Spark right now.
The language is scala.
Just curious, I have two different tables.
However, when merging the two tables, I want to add only a relationship without creating a label or node on one side.
For example, we have tables table1 , table2 .
Table1 contains customer information, and table2 contains information about people I like.
To simplify this with a cypher statement:
match (a: tabel1. Customer_id),(b: table1.Customer_id) where a.customer_id =table2.Customer_id and table1.Customer_id =table2.follow_id
This will create only additional nodes that do not have a non-existent relationship.
How can I code this in spark in scala?
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