Indhumathi27 commented on a change in pull request #3216: [CARBONDATA-3387] Support Partition with MV datamap & Show DataMap Status
URL:
https://github.com/apache/carbondata/pull/3216#discussion_r285709756
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File path: core/src/main/java/org/apache/carbondata/core/datamap/DataMapProvider.java
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@@ -264,23 +264,52 @@ private boolean getSpecificSegmentsTobeLoaded(Map<String, List<String>> segmentM
} else {
for (RelationIdentifier relationIdentifier : relationIdentifiers) {
List<String> dataMapTableSegmentList = new ArrayList<>();
+ // Get all segments for parent relationIdentifier
+ List<String> mainTableSegmentList =
+ DataMapUtil.getMainTableValidSegmentList(relationIdentifier);
+ boolean ifTableStatusUpdateRequired = false;
for (LoadMetadataDetails loadMetaDetail : listOfLoadFolderDetails) {
if (loadMetaDetail.getSegmentStatus() == SegmentStatus.SUCCESS
|| loadMetaDetail.getSegmentStatus() == SegmentStatus.INSERT_IN_PROGRESS) {
Map<String, List<String>> segmentMaps =
DataMapSegmentStatusUtil.getSegmentMap(loadMetaDetail.getExtraInfo());
+ for (String segmentId : mainTableSegmentList) {
+ // In case if dataMap segment(0) is mapped to mainTable segments{0,1,2} and if
+ // {0,1,2} segments of mainTable are compacted to 0.1. Then,
+ // on next rebuild/load to dataMap, no need to load segment(0.1) again. Update the
+ // segmentMapping of dataMap segment from {0,1,2} to {0.1}
+ if (!checkIfSegmentsToBeReloaded(relationIdentifier, segmentMaps.get(
+ relationIdentifier.getDatabaseName() + CarbonCommonConstants.POINT
+ + relationIdentifier.getTableName()), segmentId)) {
Review comment:
done
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