zizon commented on code in PR #12079:
URL: https://github.com/apache/iceberg/pull/12079#discussion_r1935008359
##########
parquet/src/test/java/org/apache/iceberg/parquet/TestParquet.java:
##########
@@ -219,6 +228,191 @@ public void testTwoLevelList() throws IOException {
assertThat(recordRead.get("topbytes")).isEqualTo(expectedBinary);
}
+ @Test
+ public void testStreamClosedProperly() throws IOException {
+ // test for input
+ {
+ class TestStreamClosedProperlyStream extends SeekableInputStream
+ implements DelegatingInputStream {
+ boolean thisClosed = false;
+ boolean delegateClosed = false;
+
+ {
+ reset();
+ }
+
+ @Override
+ public InputStream getDelegate() {
+ return new FSDataInputStream(
+ new InputStream() {
Review Comment:
It depends on the scope of fixing.
Any subtype of `DelegateStream` which delegate to a `FSDataStream` can be
leaked in `ParquetIO::stream`.
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