kfaraz commented on code in PR #12953:
URL: https://github.com/apache/druid/pull/12953#discussion_r955832089
##########
processing/src/main/java/org/apache/druid/segment/LongDimensionIndexer.java:
##########
@@ -47,7 +48,7 @@ public class LongDimensionIndexer implements
DimensionIndexer<Long, Long, Long>
public EncodedKeyComponent<Long>
processRowValsToUnsortedEncodedKeyComponent(@Nullable Object dimValues, boolean
reportParseExceptions)
{
if (dimValues instanceof List) {
- throw new UnsupportedOperationException("Numeric columns do not support
multivalue rows.");
+ throw new ParseException(null, "Numeric columns do not support
multivalue rows.");
}
Review Comment:
> we could even add a utility method that can translate a java type
classname to something more friendly (HashMap --> map). and then folks can use
it where they want.
I was thinking along similar lines but thought that it might be overkill.
Hopefully having some clean error messages/error codes soon will help in these
situations.
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