ravipesala commented on a change in pull request #3177:
[CARBONDATA-3337][CARBONDATA-3306] Distributed index server
URL: https://github.com/apache/carbondata/pull/3177#discussion_r279641349
##########
File path:
core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapFactory.java
##########
@@ -315,33 +297,64 @@ public void clear(Segment segment) {
public synchronized void clear() {
if (segmentMap.size() > 0) {
for (String segmentId : segmentMap.keySet().toArray(new
String[segmentMap.size()])) {
- clear(new Segment(segmentId, null, null));
+ clear(segmentId);
}
}
}
- @Override
- public List<CoarseGrainDataMap> getDataMaps(DataMapDistributable
distributable)
+ @Override public List<String> getAllTableBlockletUniqueNames() {
+ List<String> indexFilePaths = new ArrayList<>();
+ for (Map.Entry<String, Set<TableBlockIndexUniqueIdentifier>> entry :
segmentMap.entrySet()) {
+ for (TableBlockIndexUniqueIdentifier tableBlockIndexUniqueIdentifier :
entry.getValue()) {
+
indexFilePaths.add(tableBlockIndexUniqueIdentifier.getUniqueTableSegmentIdentifier());
+ }
+ }
+ return indexFilePaths;
+ }
+
+ @Override public List<CoarseGrainDataMap> getDataMaps(DataMapDistributable
distributable)
throws IOException {
BlockletDataMapDistributable mapDistributable =
(BlockletDataMapDistributable) distributable;
List<TableBlockIndexUniqueIdentifierWrapper> identifiersWrapper = new
ArrayList<>();
- Path indexPath = new Path(mapDistributable.getFilePath());
String segmentNo = mapDistributable.getSegment().getSegmentNo();
- if (indexPath.getName().endsWith(CarbonTablePath.INDEX_FILE_EXT)) {
- String parent = indexPath.getParent().toString();
- identifiersWrapper.add(new TableBlockIndexUniqueIdentifierWrapper(
- new TableBlockIndexUniqueIdentifier(parent, indexPath.getName(),
null, segmentNo),
- this.getCarbonTable()));
- } else if
(indexPath.getName().endsWith(CarbonTablePath.MERGE_INDEX_FILE_EXT)) {
- SegmentIndexFileStore fileStore = new SegmentIndexFileStore();
- CarbonFile carbonFile = FileFactory.getCarbonFile(indexPath.toString());
- String parentPath = carbonFile.getParentFile().getAbsolutePath();
- List<String> indexFiles =
fileStore.getIndexFilesFromMergeFile(carbonFile.getAbsolutePath());
+ if (mapDistributable.getFilePath() == null) {
Review comment:
Better check for segment path and reuse the else condition code to read the
index file
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