Apply pipeline to a database with relop
# S4 method for ANY,rquery_db_info
apply_right_S4(pipe_left_arg,
pipe_right_arg, pipe_environment, left_arg_name, pipe_string,
right_arg_name)
relop operation tree
rquery_db_info
environment to evaluate in.
name, if not NULL name of left argument.
character, name of pipe operator.
name, if not NULL name of right argument.
result