qlong commented on code in PR #15385:
URL: https://github.com/apache/iceberg/pull/15385#discussion_r3278511791


##########
spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/SparkV2Filters.java:
##########
@@ -354,7 +354,21 @@ private static <T> T childAtIndex(Predicate predicate, int 
index) {
 
   private static boolean canConvertToTerm(
       org.apache.spark.sql.connector.expressions.Expression expr) {
-    return isRef(expr) || isSystemFunc(expr);
+    return isRef(expr) || isSystemFunc(expr) || isVariantGetFunc(expr);
+  }
+
+  private static boolean isVariantGetFunc(
+      org.apache.spark.sql.connector.expressions.Expression expr) {

Review Comment:
   Actually I tried but think better to follow the existing  code (from 
spark4.0 or 3.5). it clashed with iceberg Expression. 



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