code: def result_processor(self, dialect, coltype):
      def process(value):
          return from_db(value)
  
      return process
  
file_path: pgvector-python/pgvector/sqlalchemy/__init__.py
imports: from sqlalchemy.dialects.postgresql.base import ischema_names
  from sqlalchemy.types import UserDefinedType, Float
  from ..utils import from_db, to_db
label_desc: Use image node_id 4 for calling the Vector obj's underlying member method code with example usage: obj.result_processor(dialect, coltype) and returns: process, from_db