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MATCH (a:person)-[e1:knows]->(b:person), (a)-[e2:meets]->(b) WHERE a.age > 0 RETURN a.fName, b.fName
This is because e2 is a column extend and thus both keys "a" and "b" are in the same data chunk. However, our join hash table seems to unable to differentiate whether "a" and "b" are in the same chunk or not and thus always taking a Cartesian product.
The text was updated successfully, but these errors were encountered:
The following query will output incorrect result
This is because e2 is a column extend and thus both keys "a" and "b" are in the same data chunk. However, our join hash table seems to unable to differentiate whether "a" and "b" are in the same chunk or not and thus always taking a Cartesian product.
The text was updated successfully, but these errors were encountered: