Function
nullif — returns a null value if values are equal
Synopsis
nullif(val1: any, val2: any) -> any
Description
The nullif function returns a null value if its first argument val1 is
equal to its second argument val2, otherwise it returns val1.
Examples
# spq
nullif(1, 1)
# input
# expected output
null::int64
# spq
nullif("foo", "bar")
# input
# expected output
"foo"