mihaibudiu commented on code in PR #5262:
URL: https://github.com/apache/calcite/pull/5262#discussion_r4001156726
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core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java:
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@@ -1454,8 +1454,9 @@ private static Expression scaleValue(
final Pair<RexNode, @Nullable Type> key = Pair.of(inputRef,
currentStorageType);
// If the RexInputRef has been visited under current storage type already,
// it is not necessary to visit it again, just return the result.
- if (rexWithStorageTypeResultMap.containsKey(key)) {
- return rexWithStorageTypeResultMap.get(key);
+ final Result cached = rexWithStorageTypeResultMap.get(key);
Review Comment:
Some Java maps allow null keys. Have you checked that this one doesn't?
If it does, the semantics is not the same.
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