ud-filter-python.md
The UDFilter API provides the following methods for extension by subclasses:
class PyUDFilter(vertica_sdk.UDFilter):
def __init__(self):
pass
def setup(self, srvInterface):
pass
def process(self, srvInterface, inputbuffer, outputbuffer, inputstate):
# User process data here, and put into outputbuffer.
return StreamState.DONE