Github user sun-rui commented on a diff in the pull request:
https://github.com/apache/spark/pull/10580#discussion_r48807173
--- Diff: R/pkg/R/DataFrame.R ---
@@ -2005,13 +2005,18 @@ setMethod("saveDF",
#' saveAsTable(df, "myfile")
#' }
setMethod("saveAsTable",
- signature(df = "DataFrame", tableName = "character", source =
"character",
- mode = "character"),
+ signature(df = "DataFrame", tableName = "character"),
function(df, tableName, source = NULL, mode="error", ...){
if (is.null(source)) {
- sqlContext <- get(".sparkRSQLsc", envir = .sparkREnv)
--- End diff --
I think the same problem exists in write.df()? Could you extract the
following logic into a util function, and update write.df() also to use it?
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