refactor: get_deletes_for_data_file. Change tokio::spawn to crate::runtime::spawn. Add missing license

Author: sdd

crates/iceberg/src/delete_file_index.rs

@@ -1,10 +1,28 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
 use std::collections::HashMap;
 use std::sync::Arc;
 
 use futures::channel::mpsc;
 use futures::{StreamExt, TryStreamExt};
 use tokio::sync::watch;
 
+use crate::runtime::spawn;
 use crate::scan::{DeleteFileContext, FileScanTaskDeleteFile};
 use crate::spec::{DataContentType, DataFile, Struct};
 use crate::Result;
@@ -29,7 +47,7 @@ impl DeleteFileIndex {
         let (tx, rx) = watch::channel(None);
 
         let delete_file_stream = receiver.boxed();
-        tokio::spawn(async move {
+        spawn(async move {
             let delete_files = delete_file_stream.try_collect::<Vec<_>>().await;
             let delete_file_index = delete_files.map(DeleteFileIndex::from_delete_files);
             let delete_file_index = Arc::new(delete_file_index);
@@ -107,59 +125,36 @@ impl DeleteFileIndex {
         data_file: &DataFile,
         seq_num: Option<i64>,
     ) -> Vec<FileScanTaskDeleteFile> {
-        let mut results = vec![];
+        let mut deletes_queue = vec![];
 
         if let Some(deletes) = self.pos_deletes_by_path.get(data_file.file_path()) {
-            deletes
-                .iter()
-                .filter(|&delete| {
-                    seq_num
-                        .map(|seq_num| delete.manifest_entry.sequence_number() > Some(seq_num))
-                        .unwrap_or_else(|| true)
-                })
-                .for_each(|delete| {
-                    results.push(FileScanTaskDeleteFile {
-                        file_path: delete.manifest_entry.file_path().to_string(),
-                        file_type: delete.manifest_entry.content_type(),
-                        partition_spec_id: delete.partition_spec_id,
-                    })
-                });
+            deletes_queue.extend(deletes.iter());
         }
 
         if let Some(deletes) = self.pos_deletes_by_partition.get(data_file.partition()) {
-            deletes
-                .iter()
-                .filter(|&delete| {
-                    seq_num
-                        .map(|seq_num| delete.manifest_entry.sequence_number() > Some(seq_num))
-                        .unwrap_or_else(|| true)
-                })
-                .for_each(|delete| {
-                    results.push(FileScanTaskDeleteFile {
-                        file_path: delete.manifest_entry.file_path().to_string(),
-                        file_type: delete.manifest_entry.content_type(),
-                        partition_spec_id: delete.partition_spec_id,
-                    })
-                });
+            deletes_queue.extend(deletes.iter());
         }
 
         if let Some(deletes) = self.eq_deletes_by_partition.get(data_file.partition()) {
-            deletes
-                .iter()
-                .filter(|&delete| {
-                    seq_num
-                        .map(|seq_num| delete.manifest_entry.sequence_number() > Some(seq_num))
-                        .unwrap_or_else(|| true)
-                })
-                .for_each(|delete| {
-                    results.push(FileScanTaskDeleteFile {
-                        file_path: delete.manifest_entry.file_path().to_string(),
-                        file_type: delete.manifest_entry.content_type(),
-                        partition_spec_id: delete.partition_spec_id,
-                    })
-                });
+            deletes_queue.extend(deletes.iter());
         }
 
+        let mut results = vec![];
+        deletes_queue
+            .iter()
+            .filter(|&delete| {
+                seq_num
+                    .map(|seq_num| delete.manifest_entry.sequence_number() > Some(seq_num))
+                    .unwrap_or_else(|| true)
+            })
+            .for_each(|delete| {
+                results.push(FileScanTaskDeleteFile {
+                    file_path: delete.manifest_entry.file_path().to_string(),
+                    file_type: delete.manifest_entry.content_type(),
+                    partition_spec_id: delete.partition_spec_id,
+                })
+            });
+
         results
     }
 }