davisusanibar commented on a change in pull request #10883:
URL: https://github.com/apache/arrow/pull/10883#discussion_r751162888
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File path:
java/dataset/src/main/java/org/apache/arrow/dataset/jni/NativeScanTask.java
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@@ -35,7 +36,7 @@ public NativeScanTask(NativeScanner scanner) {
}
@Override
- public BatchIterator execute() {
+ public ArrowReader execute() {
Review comment:
Is there some numbers about to compare execution times for this change?
##########
File path:
java/dataset/src/test/java/org/apache/arrow/dataset/file/TestFileSystemDataset.java
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@@ -271,28 +281,34 @@ public void
testErrorThrownWhenIterateOnIteratorAfterTaskClose() throws Exceptio
NativeScanner scanner = dataset.newScan(options);
List<? extends NativeScanTask> tasks = collect(scanner.scan());
NativeScanTask task = tasks.get(0);
- ScanTask.BatchIterator iterator = task.execute();
+ ArrowReader reader = task.execute();
task.close();
- assertThrows(NativeInstanceReleasedException.class, iterator::hasNext);
+ assertThrows(NativeInstanceReleasedException.class, reader::loadNextBatch);
+ AutoCloseables.close(factory);
}
+ // After ARROW-7272: It's no longer possible to perform this check as we
pre-allocated
+ // container buffers in VectorSchemaRoot
+ @Ignore
Review comment:
Is there not coverage for file system dataset with this change?
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