uros-b commented on code in PR #56825:
URL: https://github.com/apache/spark/pull/56825#discussion_r3485846893
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sql/core/src/main/scala/org/apache/spark/sql/avro/AvroDeserializer.scala:
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@@ -213,6 +213,28 @@ private[sql] class AvroDeserializer(
s"Avro logical type $other cannot be converted to SQL type
${TimeType().sql}.")
}
+ case (LONG, t: TimestampLTZNanosType) => avroType.getLogicalType match {
+ // The timestamp-nanos logical type stores epoch-nanoseconds (Long),
while the value is
+ // represented internally as (epochMicros, nanosWithinMicro). Floor
semantics keep
+ // nanosWithinMicro in [0, 999] for pre-epoch values. Nanos timestamps
are always proleptic
+ // Gregorian, so they are exempt from datetime rebasing.
+ case _: LogicalTypes.TimestampNanos => (updater, ordinal, value) =>
Review Comment:
Do we really need to use fully qualified names in these cases? Same for
AvroSerializer?
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