Jackie-Jiang commented on code in PR #16624:
URL: https://github.com/apache/pinot/pull/16624#discussion_r2285872946
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/recordtransformer/ComplexTypeTransformer.java:
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@@ -233,6 +241,14 @@ public List<GenericRow> transform(List<GenericRow>
records) {
}
}
}
+ if (_fieldsNeededForDownstreamTransformers != null) {
Review Comment:
On line 206, we keep a copy of the original values, and add them back to the
unnested records in the end. We can use the intersection of `_fieldsToUnnest`
and downstream columns to maintain the original values
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