pvary commented on code in PR #13669:
URL: https://github.com/apache/iceberg/pull/13669#discussion_r2230739158


##########
flink/v2.0/flink/src/test/java/org/apache/iceberg/flink/maintenance/api/TestRewriteDataFiles.java:
##########
@@ -373,6 +374,44 @@ void testV2Table() throws Exception {
             .build());
   }
 
+  @Test
+  void testRewriteUnPartitionedWithFilter() throws Exception {
+    Table table = createTable();
+    insert(table, 1, "a");
+    insert(table, 2, "b");
+    insert(table, 3, "c");
+    insert(table, 4, "d");
+
+    assertFileNum(table, 4, 0);
+
+    appendRewriteDataFiles(
+        RewriteDataFiles.builder()
+            .parallelism(2)
+            .deleteFileThreshold(10)
+            .targetFileSizeBytes(1_000_000L)
+            .maxFileGroupSizeBytes(10_000_000L)
+            .maxFileSizeBytes(2_000_000L)
+            .minFileSizeBytes(500_000L)
+            .minInputFiles(2)
+            .filter(Expressions.in("id", 1, 2))
+            .partialProgressEnabled(true)
+            .partialProgressMaxCommits(1)
+            .maxRewriteBytes(100_000L)
+            .rewriteAll(false));
+
+    runAndWaitForSuccess(infra.env(), infra.source(), infra.sink());
+
+    assertFileNum(table, 3, 0);

Review Comment:
   Pls leave a comment why 3 is the expected result here



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