somandal commented on code in PR #9982:
URL: https://github.com/apache/pinot/pull/9982#discussion_r1048889338
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/index/loader/BaseIndexHandler.java:
##########
@@ -93,6 +100,24 @@ protected void
createForwardIndexIfNeeded(SegmentDirectory.Writer segmentWriter,
_tmpForwardIndexColumns.add(columnName);
}
+ // Update the segmentMetadata
+ File indexDir = _segmentMetadata.getIndexDir();
Review Comment:
That won't solve the issue where `_segmentMetadata` assigned inside the
class won't reflect the new object outside the class :(
The problem is even if I make your suggested change, I'll have to do the
following:
```
public static SegmentMetadata updateMetadataProperties(SegmentMetadata
segmentMetadata, Map<String,
String> metadataProperties, File indexDir, SegmentDirectory
segmentDirectory)
throws IOException {
PropertiesConfiguration propertiesConfiguration =
SegmentMetadataUtils.getPropertiesConfiguration(segmentMetadata);
for (Map.Entry<String, String> entry : metadataProperties.entrySet()) {
propertiesConfiguration.setProperty(entry.getKey(), entry.getValue());
}
SegmentMetadataUtils.savePropertiesConfiguration(propertiesConfiguration);
segmentMetadata = new SegmentMetadataImpl(indexDir);
segmentDirectory.reloadMetadata();
return segmentMetadata;
}
```
Since a new object is created and returned and we assign that like this:
`_segmentMetadata = updateMetadataProperties(...) `, it's still replacing the
local class object and not the object outside the class.
Don't know if it helps, but I am essentially running into the problem
discussed in this SO:
https://stackoverflow.com/questions/60125350/passing-object-in-java-and-try-to-change-them-in-many-ways
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