felixcheung commented on a change in pull request #23969: [SPARK-26920][R]
Deduplicate type checking across Arrow optimization in SparkR
URL: https://github.com/apache/spark/pull/23969#discussion_r263988908
##########
File path: R/pkg/R/types.R
##########
@@ -83,3 +83,38 @@ specialtypeshandle <- function(type) {
}
returntype
}
+
+# Helper function that checks supported types in Arrow.
+checkSchemaInArrow <- function(schema) {
+ stopifnot(inherits(schema, "structType"))
Review comment:
nit: this is kinda duplicated in the caller - yes but either we trust they
are calling it right or we double check here.
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