fix: compile error with lifetime issues on optimize (#1843)

crates/deltalake-core/src/operations/optimize.rs

@@ -432,7 +432,7 @@ impl MergePlan {
             Some(task_parameters.input_parameters.target_size as usize),
             None,
         )?;
-        let mut writer = PartitionWriter::try_with_config(object_store.clone(), writer_config)?;
+        let mut writer = PartitionWriter::try_with_config(object_store, writer_config)?;
 
         let mut read_stream = read_stream.await?;
 
@@ -478,19 +478,7 @@ impl MergePlan {
 
         let object_store_ref = context.object_store.clone();
         // Read all batches into a vec
-        let batches: Vec<RecordBatch> = futures::stream::iter(files.clone())
-            .then(|file| {
-                let object_store_ref = object_store_ref.clone();
-                async move {
-                    let file_reader = ParquetObjectReader::new(object_store_ref.clone(), file);
-                    ParquetRecordBatchStreamBuilder::new(file_reader)
-                        .await?
-                        .build()
-                }
-            })
-            .try_flatten()
-            .try_collect::<Vec<_>>()
-            .await?;
+        let batches = zorder::collect_batches(object_store_ref, files).await?;
 
         // For each batch, compute the zorder key
         let zorder_keys: Vec<ArrayRef> =
@@ -608,7 +596,7 @@ impl MergePlan {
                     for file in files.iter() {
                         debug!("  file {}", file.location);
                     }
-                    let object_store_ref = log_store.object_store().clone();
+                    let object_store_ref = log_store.object_store();
                     let batch_stream = futures::stream::iter(files.clone())
                         .then(move |file| {
                             let object_store_ref = object_store_ref.clone();
@@ -636,14 +624,13 @@ impl MergePlan {
                 #[cfg(not(feature = "datafusion"))]
                 let exec_context = Arc::new(zorder::ZOrderExecContext::new(
                     zorder_columns,
-                    log_store.object_store().clone(),
+                    log_store.object_store(),
                     // If there aren't enough bins to use all threads, then instead
                     // use threads within the bins. This is important for the case where
                     // the table is un-partitioned, in which case the entire table is just
                     // one big bin.
                     bins.len() <= num_cpus::get(),
                 ));
-                let object_store = log_store.object_store().clone();
 
                 #[cfg(feature = "datafusion")]
                 let exec_context = Arc::new(zorder::ZOrderExecContext::new(
@@ -652,17 +639,15 @@ impl MergePlan {
                     max_spill_size,
                 )?);
                 let task_parameters = self.task_parameters.clone();
+                let log_store = log_store.clone();
                 futures::stream::iter(bins)
                     .map(move |(partition, files)| {
                         let batch_stream = Self::read_zorder(files.clone(), exec_context.clone());
-
-                        let object_store = object_store.clone();
-
                         let rewrite_result = tokio::task::spawn(Self::rewrite_files(
                             task_parameters.clone(),
                             partition,
                             files,
-                            object_store,
+                            log_store.object_store(),
                             batch_stream,
                         ));
                         util::flatten_join_error(rewrite_result)
@@ -1107,6 +1092,26 @@ pub(super) mod zorder {
         }
     }
 
+    // #[cfg(not(feature = "datafusion"))]
+    /// Read all batches into a vec - is an async function in disguise
+    pub(super) fn collect_batches(
+        object_store: ObjectStoreRef,
+        files: MergeBin,
+    ) -> impl Future<Output = Result<Vec<RecordBatch>, ParquetError>> {
+        futures::stream::iter(files.clone())
+            .then(move |file| {
+                let object_store = object_store.clone();
+                async move {
+                    let file_reader = ParquetObjectReader::new(object_store.clone(), file);
+                    ParquetRecordBatchStreamBuilder::new(file_reader)
+                        .await?
+                        .build()
+                }
+            })
+            .try_flatten()
+            .try_collect::<Vec<_>>()
+    }
+
     #[cfg(feature = "datafusion")]
     pub use self::datafusion::ZOrderExecContext;