xubo245 commented on a change in pull request #3834:
URL: https://github.com/apache/carbondata/pull/3834#discussion_r460359320
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File path:
hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java
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@@ -260,7 +265,50 @@ public boolean accept(CarbonFile file) {
getDataBlocksOfSegment(job, carbonTable, indexFilter, validSegments,
new ArrayList<Segment>(), new ArrayList<String>());
numBlocks = dataBlocksOfSegment.size();
- result.addAll(dataBlocksOfSegment);
- return result;
+ List<String> allDeleteDeltaFiles =
getAllDeleteDeltaFiles(carbonTable.getTablePath());
+ if(allDeleteDeltaFiles.size() > 0) {
+ for (CarbonInputSplit split : dataBlocksOfSegment) {
+ split.setDeleteDeltaFiles(getDeleteDeltaFiles(split.getFilePath(),
allDeleteDeltaFiles));
+ }
+ }
+ return new LinkedList<>(dataBlocksOfSegment);
+ }
+
+ private List<String> getAllDeleteDeltaFiles(String path) {
+ List<String> deltaFiles = null;
+ try (Stream<Path> walk = Files.walk(Paths.get(path))) {
+ deltaFiles = walk.map(x -> x.toString())
+ .filter(f -> f.endsWith(CarbonCommonConstants.DELETE_DELTA_FILE_EXT))
+ .collect(Collectors.toList());
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ return deltaFiles;
+ }
+
+ private String[] getDeleteDeltaFiles(String segmentPath, List<String>
allDeleteDeltaFiles) {
+ ArrayList<String> deleteDeltaFiles = new ArrayList<>();
+ String[] pathElements =
segmentPath.split(CarbonCommonConstants.FILE_SEPARATOR);
+ String segmentFileName = pathElements[pathElements.length - 1];
Review comment:
Please conside windows path
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