huaxingao commented on code in PR #14261:
URL: https://github.com/apache/iceberg/pull/14261#discussion_r2408665847
##########
parquet/src/test/java/org/apache/iceberg/parquet/TestPruneColumns.java:
##########
@@ -270,4 +273,64 @@ public void testStructElementName() {
MessageType actual = ParquetSchemaUtil.pruneColumns(fileSchema,
projection);
assertThat(actual).as("Pruned schema should be
matched").isEqualTo(expected);
}
+
+ @Test
+ public void testVariant() {
Review Comment:
Both variant fields are OPTIONAL and the expected pruned schema keeps it
OPTIONAL, so seems to me that null scenario is covered.
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