jeffreyliu34 commented on a change in pull request #8273:
URL: https://github.com/apache/pinot/pull/8273#discussion_r824959663
##########
File path:
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/recordtransformer/ComplexTypeTransformer.java
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@@ -279,6 +295,28 @@ protected void flattenMap(GenericRow record, List<String>
columns) {
}
}
+ /**
+ * Loops through all columns and renames the column's prefix with the
corresponding replacement if the prefix matches.
+ */
+ @VisibleForTesting
+ protected void renamePrefixes(GenericRow record) {
+ List<String> fields = new
ArrayList<>(record.getFieldToValueMap().keySet());
+ for (String field : fields) {
+ for (String prefix : _prefixesToRename.keySet()) {
+ if (field.startsWith(prefix)) {
+ Object value = record.removeValue(field);
+ String remainingColumnName = field.substring(prefix.length());
+ String newName = _prefixesToRename.get(prefix) + remainingColumnName;
Review comment:
yep good point. updated to handle this case as well
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