ISNULL - Type

Checks whether the attribute is of type null

Input parameters

Name	Type	Optional	Description
x	Any	False

Output

Bool: True/False depending on check

Usage

ISNULL(<x>)

Examples

Example 1

Input Document

[1,2]
{"doc":1}
1
"String"
true
null

Query

LOAD tmp
AS ('': ISNULL(''))

Result

false
false
false
false
false
true