Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17178#discussion_r105859422
--- Diff: R/pkg/R/functions.R ---
@@ -2452,11 +2453,18 @@ setMethod("date_format", signature(y = "Column", x
= "character"),
#'}
#' @note from_json since 2.2.0
setMethod("from_json", signature(x = "Column", schema = "structType"),
- function(x, schema, ...) {
+ function(x, schema, asArray = FALSE, ...) {
+ if (asArray) {
+ jschema <- callJStatic("org.apache.spark.sql.api.r.SQLUtils",
+ "createArrayType",
--- End diff --
It seems we'd better use
`DataTypes.createArrayType`
per
https://github.com/apache/spark/blob/04ee8cf633e17b6bf95225a8dd77bf2e06980eb3/sql/catalyst/src/main/scala/org/apache/spark/sql/types/ArrayType.scala#L49-L56
Let me remove that new wrapper and use the original one.
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