rdblue commented on a change in pull request #24094: [SPARK-27162][SQL] Add new
method getOriginalMap in CaseInsensitiveStringMap
URL: https://github.com/apache/spark/pull/24094#discussion_r266554539
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/util/CaseInsensitiveStringMap.java
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@@ -157,4 +170,11 @@ public double getDouble(String key, double defaultValue) {
String value = get(key);
return value == null ? defaultValue : Double.parseDouble(value);
}
+
+ /**
+ * Returns the original case-sensitive map.
+ */
+ public Map<String, String> asCaseSensitiveMap() {
+ return original;
Review comment:
This should return a read-only version of original. You can use
`Collections.unmodifiableMap`.
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