gengliangwang 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_r266309313
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File path:
sql/catalyst/src/main/java/org/apache/spark/sql/util/CaseInsensitiveStringMap.java
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@@ -78,24 +83,22 @@ public String get(Object key) {
@Override
public String put(String key, String value) {
- return delegate.put(toLowerCase(key), value);
+ throw new UnsupportedOperationException();
Review comment:
This is following `UnmodifiableMap`.
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