json.JSONWriter.setNullValue
Sets the null value of a JSONWriter object.
Syntax
setNullValue()
Usage
Use this method to set a null value of a JSONWriter object.
In case of error, the method throws an exception and sets the
status
variable. Depending on the error, a human-readable description of the
problem is available in the sqlca.sqlerrm
register. See Error handling in GWS calls (status).