snleee commented on code in PR #9642:
URL: https://github.com/apache/pinot/pull/9642#discussion_r1022117878
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/recordtransformer/DataTypeTransformer.java:
##########
@@ -92,6 +92,13 @@ public GenericRow transform(GenericRow record) {
// Single-value column
source = PinotDataType.getSingleValueType(value.getClass());
}
+
+ if (source == PinotDataType.BYTES && dest == PinotDataType.STRING &&
value instanceof byte[]) {
Review Comment:
@Jackie-Jiang I briefly met with Sajjad and he mentioned that this type
change code won't be needed for new tables. But, he wants to keep the backward
compatibility for the existing tables (where the input data is Avro's Fixed
type column and Pinot is configured with `string`column ) since he cannot
afford the backfill right away.
@sajjad-moradi Can you provide more context to Jackie?
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