deniskuzZ commented on code in PR #9301:
URL: https://github.com/apache/iceberg/pull/9301#discussion_r1426947971
##########
orc/src/main/java/org/apache/iceberg/orc/OrcIterable.java:
##########
@@ -134,7 +134,13 @@ private static VectorizedRowBatchIterator newOrcIterator(
try {
return new VectorizedRowBatchIterator(
- file.location(), readerSchema, orcFileReader.rows(options),
recordsPerBatch);
+ file.location(), readerSchema, orcFileReader.rows(options),
recordsPerBatch) {
+ @Override
+ public void close() throws IOException {
Review Comment:
`OrcIterable` also extends `CloseableGroup` and adds orcFileReader to
closeable, but it never gets invoked (OrcIterable.close()). `MergeIterator` is
operating on a` CloseableIterator` that might have filter and transformation
and losses the closeable.
In case of `ParquetInterable` we close the reader.
````
public void close() throws IOException {
ParquetReader.close();
}
}
````
but that's not the case for `OrcIterable` that uses
`VectorizedRowBatchIterator`
````
@Override
public void close() throws IOException {
orcFileReader.rows(options).close();
}
````
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