ZENOTME commented on code in PR #406:
URL: https://github.com/apache/iceberg-rust/pull/406#discussion_r1641888209
##########
crates/iceberg/src/spec/values.rs:
##########
@@ -105,6 +108,115 @@ pub struct Datum {
literal: PrimitiveLiteral,
}
+impl Serialize for Datum {
+ fn serialize<S: serde::Serializer>(
+ &self,
+ serializer: S,
+ ) -> std::result::Result<S::Ok, S::Error> {
+ let mut strucet_ser = serializer
+ .serialize_struct("Datum", 2)
+ .map_err(serde::ser::Error::custom)?;
+ strucet_ser
+ .serialize_field("type", &self.r#type)
+ .map_err(serde::ser::Error::custom)?;
+ strucet_ser
+ .serialize_field(
+ "literal",
+ &RawLiteral::try_from(
Review Comment:
But we need the type info to convert to/from RawLiteral. For serialize in
PrimitiveLiteral, we don't need the type info. But for deserialize, even in
PrimitiveLiteral, we need the type info. e.g.
https://github.com/apache/iceberg-rust/blob/7f286b56031b1ed9a9fb7d18aeb83abd736e44c4/crates/iceberg/src/spec/values.rs#L2440.
That's why we can't implement Ser/De for Literal directly.
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