dongjoon-hyun commented on code in PR #52693:
URL: https://github.com/apache/spark/pull/52693#discussion_r2456385435
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core/src/main/scala/org/apache/spark/SparkConf.scala:
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@@ -504,8 +503,16 @@ class SparkConf(loadDefaults: Boolean)
* Get all parameters that start with `prefix`
*/
def getAllWithPrefix(prefix: String): Array[(String, String)] = {
- getAll.filter { case (k, v) => k.startsWith(prefix) }
- .map { case (k, v) => (k.substring(prefix.length), v) }
+ val f = (k: String) => k.substring(prefix.length)
+ getAllWithPrefix(prefix, f)
+ }
+
+ /**
+ * Get all parameters that start with `prefix` and apply f.
+ */
+ def getAllWithPrefix[K](prefix: String, f: String => K): Array[(K, String)]
= {
Review Comment:
This new API looks good to me. Shall we add this simply without touching
other existing code?
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