advancedxy commented on code in PR #3243:
URL: https://github.com/apache/iceberg-rust/pull/3243#discussion_r4244321704
##########
crates/iceberg/src/transform/truncate.rs:
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@@ -831,12 +860,52 @@ mod test {
#[test]
fn test_decimal_literal() {
- let input = Datum::decimal(decimal_new(1065, 0)).unwrap();
- let res = super::Truncate::new(50)
- .transform_literal(&input)
- .unwrap()
- .unwrap();
- assert_eq!(res, Datum::decimal(decimal_new(1050, 0)).unwrap(),);
+ for (precision, scale, value, expected) in [
+ (9, 0, 1065, 1050),
+ (9, 2, 1065, 1050),
+ (9, 2, -1065, -1100),
+ (9, 2, 1050, 1050),
+ (9, 2, 0, 0),
+ (9, 5, 1065, 1050),
+ (38, 2, 1065, 1050),
+ ] {
+ let data_type = Decimal { precision, scale };
+ let input = Datum::new(data_type.clone(),
PrimitiveLiteral::Int128(value));
+ let res = super::Truncate::new(50)
+ .transform_literal(&input)
+ .unwrap()
+ .unwrap();
+ assert_eq!(
+ res,
+ Datum::new(data_type, PrimitiveLiteral::Int128(expected)),
+ "input: {input:?}"
+ );
+ }
+ }
+
+ #[test]
+ fn test_binary_literal() {
Review Comment:
it's included in this pr as well.
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