float function

Applies to: Databricks SQL Databricks Runtime

Casts the value expr to FLOAT. This function is a synonym for CAST(expr AS FLOAT). See cast function for details.

Syntax

float(expr)

Arguments

• expr: An expression that can be cast to FLOAT.

Returns

A FLOAT.

If expr is a STRING that cannot be parsed as a number, Azure Databricks raises a CAST_INVALID_INPUT error.

Common error conditions

• CAST_INVALID_INPUT

Examples

> SELECT float('5.2');
 5.2

> SELECT float('abc');
  Error: CAST_INVALID_INPUT

Related functions

• cast function