ostinru commented on code in PR #61:
URL: https://github.com/apache/cloudberry-pxf/pull/61#discussion_r2795094954
##########
server/pxf-service/src/main/java/org/apache/cloudberry/pxf/service/controller/ReadServiceImpl.java:
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@@ -78,11 +82,26 @@ private OperationResult writeStream(RequestContext context,
OutputStream outputS
OperationStats queryStats = new
OperationStats(OperationStats.Operation.READ, metricsReporter, context);
OperationResult queryResult = new OperationResult();
- // dataStream (and outputStream as the result) will close
automatically at the end of the try block
+ // dataStream (and outputStream as the result) will close
automatically at the
+ // end of the try block
CountingOutputStream countingOutputStream = new
CountingOutputStream(outputStream);
String sourceName = null;
try {
- List<Fragment> fragments =
fragmenterService.getFragmentsForSegment(context);
+ List<Fragment> fragments;
+
+ // Check if a specific fragment index was requested (parallel
execution mode)
+ if (context.hasSpecificFragment()) {
+ // Parallel mode: only process the specified fragment
+ Fragment specificFragment =
fragmenterService.getFragmentByIndex(
+ context, context.getSpecificFragmentIndex());
+ fragments =
java.util.Collections.singletonList(specificFragment);
Review Comment:
NIT: `import java.util.Collections`?
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