numeric_null

Description

Returns a null value of type numeric.

This is important because some functions, like case(), return more convenient outputs if all their arguments are of the same type.

Return type

numeric

Domain

This is a scalar function (calculates a single output value for a single input row.)

Categories

• Numeric

Usage

numeric_null()

Examples

make_col positive_or_null:case(x > 0, x, true, numeric_null())

Create a column ‘positive_or_null’ which is either a positive numeric, or the null numeric.