shounakmk219 commented on code in PR #10905:
URL: https://github.com/apache/pinot/pull/10905#discussion_r1245121270
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/startree/v2/builder/MultipleTreesBuilder.java:
##########
@@ -83,7 +86,11 @@ public MultipleTreesBuilder(List<StarTreeV2BuilderConfig>
builderConfigs, File i
_segmentDirectory = SegmentDirectoryPaths.findSegmentDirectory(indexDir);
_metadataProperties =
CommonsConfigurationUtils.fromFile(new File(_segmentDirectory,
V1Constants.MetadataKeys.METADATA_FILE_NAME));
-
Preconditions.checkState(!_metadataProperties.containsKey(MetadataKey.STAR_TREE_COUNT),
"Star-tree already exists");
+ _separator = getSeparator();
+ if (_separator != null) {
+ StarTreeBuilderUtils.removeStarTrees(indexDir);
+ _metadataProperties.reload();
Review Comment:
To ensure that the startree index props removed by
`StarTreeBuilderUtils.removeStarTrees` are reflected in the
`_metadataProperties`.
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