Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/14613#discussion_r76170702
--- Diff: R/pkg/R/types.R ---
@@ -67,3 +67,27 @@ rToSQLTypes <- as.environment(list(
"double" = "double",
"character" = "string",
"logical" = "boolean"))
+
+# Helper function of coverting decimal type. When backend returns column
type in the
+# format of decimal(,) (e.g., decimal(10, 0)), this function coverts the
column type
+# as double type. This function converts backend returned types that are
not the key
+# of PRIMITIVE_TYPES, but should be treated as PRIMITIVE_TYPES.
+# @param A type returned from the JVM backend.
+# @return A type is the key of the PRIMITIVE_TYPES.
+specialtypeshandle <- function(type) {
+ if (!is.null(PRIMITIVE_TYPES[[type]])) {
--- End diff --
should it check this? It seems in both places this is called,
`PRIMITIVE_TYPES[[type]]` is already called right before that
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