Indhumathi27 commented on a change in pull request #3701: [CARBONDATA-3770]
Improve partition count star query performance
URL: https://github.com/apache/carbondata/pull/3701#discussion_r407351732
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File path:
core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java
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@@ -130,6 +136,19 @@ private DataMapStoreManager() {
return allDataMaps;
}
+ /**
+ * It gives all segment indexes, a map contains segment file name to
SegmentIndexMeta.
+ *
+ * @return
+ */
+ public Map<String, SegmentIndexMeta> getAllSegmentIndexes(String tableId) {
+ if (segmentIndexes.get(tableId) == null) {
+ Map<String, SegmentIndexMeta> segmentIndexMetaMap = new
ConcurrentHashMap<>();
+ segmentIndexes.putIfAbsent(tableId, segmentIndexMetaMap);
Review comment:
Looks like each time, we are adding new map to `segmentIndexes`. where we
actually add SegmentIndexMeta info to `segmentIndexes`?
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