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Since there is no IFNULL, ISNULL, or NVL function supported on Hive, I’m having trouble converting NULL to 0. I tried COALESCE(*column name*, 0) but received the below error message:
Argument type mismatch 0: The expressions after COALESCE should all
have the same type: “bigint” is expected but “int” is found
How to resolve this?
As Lamak pointed out in the comment,
COALESCE(column, CAST(0 AS BIGINT))resolves the error.