Github user sun-rui commented on a diff in the pull request:
https://github.com/apache/spark/pull/9192#discussion_r42601678
--- Diff: R/pkg/R/SQLContext.R ---
@@ -17,6 +17,34 @@
# SQLcontext.R: SQLContext-driven functions
+#' Temporary function to reroute old S3 Method call to new
+#' We need to check the class of x to ensure it is SQLContext before
dispatching
+dispatchFunc <- function(newFuncSig, x, ...) {
+ funcName <- as.character(sys.call(sys.parent())[[1]])
+ f <- get0(paste0(funcName, ".default"))
+ # Strip sqlContext from list of parameters and then pass the rest along.
+ # In the following, if '&' is used instead of '&&', it warns about
+ # "the condition has length > 1 and only the first element will be used"
+ if (class(x) == "jobj" &&
+ grepl("org.apache.spark.sql.SQLContext", capture.output(show(x)))) {
--- End diff --
Could we add a getClassName method to the jobj class and use it here
instead of grepl?
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