twalthr commented on a change in pull request #11081: [FLINK-16033][table-api]
Introduced Java Table API Expression DSL
URL: https://github.com/apache/flink/pull/11081#discussion_r380080705
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/expressions/LookupCallExpression.java
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@@ -43,7 +42,10 @@
public LookupCallExpression(String unresolvedFunction, List<Expression>
args) {
this.unresolvedName =
Preconditions.checkNotNull(unresolvedFunction);
- this.args = Collections.unmodifiableList(new
ArrayList<>(Preconditions.checkNotNull(args)));
+ this.args = Preconditions.checkNotNull(args)
Review comment:
Can't we do this earlier? In `ApiExpressionUtils`?
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