ZENOTME commented on code in PR #79:
URL: https://github.com/apache/iceberg-rust/pull/79#discussion_r1419901970


##########
crates/iceberg/src/spec/manifest_list.rs:
##########
@@ -30,6 +30,9 @@ use self::{
 
 use super::{FormatVersion, StructType};
 
+/// The seq number when no added files are present.
+pub const UNASSIGNED_SEQ_NUMBER: i64 = -1;

Review Comment:
   It's for 
[min_sequence_number](https://iceberg.apache.org/spec/#manifests:~:text=516-,min_sequence_number,-long).
 Which means that all manifest entry is deleted. Actually, I am not sure 
whether it's the correct process way because there is not 
`UNASSIGNED_SEQ_NUMBER` mentioned in spec.🤔 Does pyiceberg use 
`UNASSIGNED_SEQ_NUMBER`? cc @Fokko 



##########
crates/iceberg/src/spec/manifest_list.rs:
##########
@@ -30,6 +30,9 @@ use self::{
 
 use super::{FormatVersion, StructType};
 
+/// The seq number when no added files are present.
+pub const UNASSIGNED_SEQ_NUMBER: i64 = -1;

Review Comment:
   It's for 
[min_sequence_number](https://iceberg.apache.org/spec/#manifests:~:text=516-,min_sequence_number,-long).
 Which means that all manifest entry is deleted. Actually, I am not sure 
whether it's the correct process way because there is not 
`UNASSIGNED_SEQ_NUMBER` mentioned in spec.🤔 Does pyiceberg use 
`UNASSIGNED_SEQ_NUMBER`? cc @Fokko 



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