CTTY commented on code in PR #1584:
URL: https://github.com/apache/iceberg-rust/pull/1584#discussion_r2289456231


##########
crates/catalog/glue/src/catalog.rs:
##########
@@ -635,10 +637,56 @@ impl Catalog for GlueCatalog {
         ))
     }
 
-    async fn update_table(&self, _commit: TableCommit) -> Result<Table> {
-        Err(Error::new(
-            ErrorKind::FeatureUnsupported,
-            "Updating a table is not supported yet",
-        ))
+    async fn update_table(&self, commit: TableCommit) -> Result<Table> {
+        let table_ident = commit.identifier().clone();
+        let table_namespace = validate_namespace(table_ident.namespace())?;
+        let current_table = self.load_table(&table_ident).await?;
+        let current_metadata_location = 
current_table.metadata_location_result()?.to_string();
+
+        let staged_table = commit.apply(current_table)?;
+        let staged_metadata_location = 
staged_table.metadata_location_result()?;
+
+        // Write new metadata
+        staged_table
+            .metadata()
+            .write_to(staged_table.file_io(), staged_metadata_location)
+            .await?;
+
+        // Persist staged table to Glue
+        let builder = self
+            .client
+            .0
+            .update_table()
+            .database_name(table_namespace)
+            .set_skip_archive(Some(true)) // todo make this configurable
+            .table_input(convert_to_glue_table(
+                table_ident.name(),
+                staged_metadata_location.to_string(),
+                staged_table.metadata(),
+                staged_table.metadata().properties(),
+                Some(current_metadata_location),
+            )?);
+        let builder = with_catalog_id!(builder, self.config);
+        let _ = builder.send().await.map_err(|e| {
+            let error = e.into_service_error();
+            match error {
+                UpdateTableError::EntityNotFoundException(_) => Error::new(
+                    ErrorKind::TableNotFound,
+                    format!("Table {table_ident} is not found"),
+                ),
+                UpdateTableError::ConcurrentModificationException(_) => 
Error::new(
+                    ErrorKind::CatalogCommitConflicts,
+                    format!("Commit failed for table: {table_ident}"),
+                )
+                .with_retryable(true),
+                _ => Error::new(
+                    ErrorKind::Unexpected,
+                    "Operation failed for hitting aws sdk error",

Review Comment:
   I think the current convention is to use lower case for aws sdk-related 
messaged across glue and s3table's implementations, and this should be fixed in 
a separate PR if needed 



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