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signum function

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

Returns -1.0, 0.0, or 1.0 as expr is negative, 0, or positive. This function is a synonym for sign function.

Syntax

signum(expr)

Arguments

  • expr: An expression that evaluates to a numeric or interval.

Interval is supported since: Databricks Runtime 10.1)

Returns

A DOUBLE.

Examples

> SELECT signum(40);
 1.0

> SELECT signum(INTERVAL'-1' DAY)
 -1.0