amogh-jahagirdar commented on code in PR #11775:
URL: https://github.com/apache/iceberg/pull/11775#discussion_r2113087795
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api/src/main/java/org/apache/iceberg/expressions/Literals.java:
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@@ -300,8 +300,7 @@ public <T> Literal<T> to(Type type) {
case TIMESTAMP:
return (Literal<T>) new TimestampLiteral(value());
case TIMESTAMP_NANO:
- // assume micros and convert to nanos to match the behavior in the
timestamp case above
- return new TimestampLiteral(value()).to(type);
+ return (Literal<T>) new TimestampNanoLiteral(value());
Review Comment:
@stevenzwu imo I think that the fix as it is, is good as is. I'm not
entirely sure I get why we need to keep this behavior because the case where
there's a chance for a correctness issue about is Spark microsecond values
being interpreted as nanoseconds for a timestamp_nano type. However, spark
doesn't even support this data type yet so this situation doesn't seem possible
yet so it feels like the right thing to do is to invalidate this assumption
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