jtuglu1 commented on code in PR #18953:
URL: https://github.com/apache/druid/pull/18953#discussion_r2734722206
##########
extensions-contrib/druid-iceberg-extensions/src/main/java/org/apache/druid/iceberg/input/IcebergCatalog.java:
##########
@@ -100,12 +127,47 @@ public List<String> extractSnapshotDataFiles(
tableScan = tableScan.caseSensitive(isCaseSensitive());
CloseableIterable<FileScanTask> tasks = tableScan.planFiles();
- CloseableIterable.transform(tasks, FileScanTask::file)
- .forEach(dataFile ->
dataFilePaths.add(dataFile.path().toString()));
+
+ Expression detectedResidual = null;
+ for (FileScanTask task : tasks) {
+ dataFilePaths.add(task.file().path().toString());
+
+ // Check for residual filters if mode is not IGNORE
+ if (effectiveMode != ResidualFilterMode.IGNORE && detectedResidual ==
null) {
+ Expression residual = task.residual();
+ if (residual != null && !residual.equals(Expressions.alwaysTrue())) {
Review Comment:
I don't think so. If you change partitions, etc. I think it can still be
non-null. Void transforms are another possibility.
##########
extensions-contrib/druid-iceberg-extensions/src/main/java/org/apache/druid/iceberg/input/IcebergCatalog.java:
##########
@@ -100,12 +127,47 @@ public List<String> extractSnapshotDataFiles(
tableScan = tableScan.caseSensitive(isCaseSensitive());
CloseableIterable<FileScanTask> tasks = tableScan.planFiles();
- CloseableIterable.transform(tasks, FileScanTask::file)
- .forEach(dataFile ->
dataFilePaths.add(dataFile.path().toString()));
+
+ Expression detectedResidual = null;
+ for (FileScanTask task : tasks) {
+ dataFilePaths.add(task.file().path().toString());
+
+ // Check for residual filters if mode is not IGNORE
+ if (effectiveMode != ResidualFilterMode.IGNORE && detectedResidual ==
null) {
+ Expression residual = task.residual();
+ if (residual != null && !residual.equals(Expressions.alwaysTrue())) {
Review Comment:
I don't think so. If you change partitions, etc. I think it can still be
non-null. Partitions created via void transforms are another possibility.
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