signum function

Applies to: Databricks SQL 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

Related functions

• abs function
• sign function
• negative function
• positive function