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nanvl function

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Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime

Returns expr1 if it’s not NaN, or expr2 otherwise.

Syntax

nanvl(expr1, expr2)

Arguments

  • expr1: An expression that evaluates to a numeric.
  • expr2: An expression that evaluates to a numeric.

Returns

A DOUBLE.

Examples

> SELECT nanvl(cast('NaN' AS DOUBLE), 123);
 123.0