xiaotianzhang01 commented on a change in pull request #3545:
URL: https://github.com/apache/iceberg/pull/3545#discussion_r753654805
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/Spark3Util.java
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@@ -301,7 +302,9 @@ public static Term toIcebergTerm(Expression expr) {
Transform transform = (Transform) expr;
Preconditions.checkArgument(transform.references().length == 1,
"Cannot convert transform with more than one column reference: %s",
transform);
- String colName = DOT.join(transform.references()[0].fieldNames());
+ List<String> fieldNames =
Arrays.stream(transform.references()[0].fieldNames())
+ .map(Spark3Util::toIcebergField).collect(Collectors.toList());
Review comment:
done
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