Fokko commented on code in PR #615:
URL: https://github.com/apache/iceberg-rust/pull/615#discussion_r1749313279
##########
crates/iceberg/src/spec/schema.rs:
##########
@@ -86,6 +87,16 @@ impl SchemaBuilder {
self
}
+ /// Reassign all field-ids (nested) on build.
+ /// If `start_from` is provided, it will start reassigning from that id
(inclusive).
+ /// If not provided, it will start from 0.
+ ///
+ /// All specified aliases and identifier fields will be updated to the new
field-ids.
+ pub fn with_reassigned_field_ids(mut self, start_from: Option<i32>) ->
Self {
+ self.reassign_field_ids_from = Some(start_from.unwrap_or(0));
Review Comment:
Typically you would pass in `last-column-id` from the table metadata. In the
case of a `CREATE TABLE` this will be zero, in the case of a `REPLACE TABLE` it
will be `last-column-id` where all columns get a new ID and you ensure they are
not used before.
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