R/dbR6_deep_clone.R

In leandroroser/dbR6: Databases Manipulation with the dbR6 Class

#' deep_clone
#' @name deep_clone
#'@keywords internal

dbR6_deep_clone <- function(...) {
  # With x$clone(deep=TRUE) is called, the deep_clone gets invoked once for
  # each field, with the name and value.
  head_env <- new.env(parent = emptyenv(), hash = FALSE)
  if (name == "where") {
    return(list2env(as.list.environment(value, all.names = TRUE), envir = head_env))
  } else if(name == "metadata") {
    return(list2env(as.list.environment(value, all.names = TRUE), parent = head_env, hash = FALSE))
  } else {
    # For all other fields, just return the value
    return(value)
  }
}