ZENOTME commented on code in PR #82:
URL: https://github.com/apache/iceberg-rust/pull/82#discussion_r1390968160


##########
crates/iceberg/src/spec/values.rs:
##########
@@ -893,9 +925,9 @@ impl Literal {
                 PrimitiveLiteral::Binary(_) => 
Type::Primitive(PrimitiveType::Binary),
                 PrimitiveLiteral::String(_) => 
Type::Primitive(PrimitiveType::String),
                 PrimitiveLiteral::UUID(_) => 
Type::Primitive(PrimitiveType::Uuid),
-                PrimitiveLiteral::Decimal(dec) => 
Type::Primitive(PrimitiveType::Decimal {
-                    precision: 38,
-                    scale: dec.scale(),
+                PrimitiveLiteral::Decimal(_) => 
Type::Primitive(PrimitiveType::Decimal {
+                    precision: MAX_DECIMAL_PRECISION,
+                    scale: 0,

Review Comment:
   > I think inferring type from literal is not feasible?
   Sounds reasonable. In most of case we can get the type from the according 
schema. cc @JanKaul 



##########
crates/iceberg/src/spec/values.rs:
##########
@@ -893,9 +925,9 @@ impl Literal {
                 PrimitiveLiteral::Binary(_) => 
Type::Primitive(PrimitiveType::Binary),
                 PrimitiveLiteral::String(_) => 
Type::Primitive(PrimitiveType::String),
                 PrimitiveLiteral::UUID(_) => 
Type::Primitive(PrimitiveType::Uuid),
-                PrimitiveLiteral::Decimal(dec) => 
Type::Primitive(PrimitiveType::Decimal {
-                    precision: 38,
-                    scale: dec.scale(),
+                PrimitiveLiteral::Decimal(_) => 
Type::Primitive(PrimitiveType::Decimal {
+                    precision: MAX_DECIMAL_PRECISION,
+                    scale: 0,

Review Comment:
   > I think inferring type from literal is not feasible?
   
   Sounds reasonable. In most of case we can get the type from the according 
schema. cc @JanKaul 



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