fix clippy

Author: dantengsky

src/query/storages/fuse/src/io/read/block/parquet/mod.rs

@@ -118,7 +118,7 @@ impl BlockReader {
                 //         corresponding field, and a default value has been declared for
                 //         the corresponding field.
                 //
-                //  Yes, it is too obscure, we need to polish it later.
+                //  Yes, it is too obscure, we need to polish it SOON.
 
                 let value = match column_chunks.get(&field.column_id) {
                     Some(DataItem::RawData(data)) => {

src/query/storages/fuse/src/operations/read/parquet_data_source_deserializer.rs

@@ -117,7 +117,7 @@ impl DeserializeDataTransform {
         let output_schema: DataSchema = (&output_schema).into();
         let (need_reserve_block_info, _) = need_reserve_block_info(ctx.clone(), plan.table_index);
 
-        let batch_size = ctx.get_settings().get_fuse_parquet_read_batch_size()? as usize;
+        let batch_size = ctx.get_settings().get_fuse_parquet_read_batch_size()?;
         Ok(ProcessorPtr::create(Box::new(DeserializeDataTransform {
             ctx,
             table_index: plan.table_index,