Fix wasm build

Author: alamb

datafusion/core/src/datasource/file_format/arrow.rs

@@ -144,6 +144,7 @@ impl FileFormat for ArrowFormat {
         for object in objects {
             let r = store.as_ref().get(&object.location).await?;
             let schema = match r.payload {
+                #[cfg(not(target_arch = "wasm32"))]
                 GetResultPayload::File(mut file, _) => {
                     let reader = FileReader::try_new(&mut file, None)?;
                     reader.schema()

datafusion/core/src/datasource/physical_plan/arrow_file.rs

@@ -273,6 +273,7 @@ impl FileOpener for ArrowOpener {
                 None => {
                     let r = object_store.get(file_meta.location()).await?;
                     match r.payload {
+                        #[cfg(not(target_arch = "wasm32"))]
                         GetResultPayload::File(file, _) => {
                             let arrow_reader = arrow::ipc::reader::FileReader::try_new(
                                 file, projection,

datafusion/datasource-csv/src/source.rs

@@ -704,6 +704,7 @@ impl FileOpener for CsvOpener {
             let result = store.get_opts(file_meta.location(), options).await?;
 
             match result.payload {
+                #[cfg(not(target_arch = "wasm32"))]
                 GetResultPayload::File(mut file, _) => {
                     let is_whole_file_scanned = file_meta.range.is_none();
                     let decoder = if is_whole_file_scanned {

datafusion/datasource-json/src/file_format.rs

@@ -209,6 +209,7 @@ impl FileFormat for JsonFormat {
 
             let r = store.as_ref().get(&object.location).await?;
             let schema = match r.payload {
+                #[cfg(not(target_arch = "wasm32"))]
                 GetResultPayload::File(file, _) => {
                     let decoder = file_compression_type.convert_read(file)?;
                     let mut reader = BufReader::new(decoder);

datafusion/datasource-json/src/source.rs

@@ -355,6 +355,7 @@ impl FileOpener for JsonOpener {
             let result = store.get_opts(file_meta.location(), options).await?;
 
             match result.payload {
+                #[cfg(not(target_arch = "wasm32"))]
                 GetResultPayload::File(mut file, _) => {
                     let bytes = match file_meta.range {
                         None => file_compression_type.convert_read(file)?,