is_null¶

Description¶

Return true if the argument has the null value.

bool

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

is_null(arg)

Argument	Type	Optional	Repeatable	Restrictions
arg	scalar	no	no	none

filter not is_null(path)

This filters a dataset to remove any lines where path is null.

isnull (deprecated)