Fix wasm32 build on version 46 (apache#15102)

* fix build

* try to install clang in ci

Author: XiangpengHao

.github/workflows/rust.yml

@@ -259,6 +259,10 @@ jobs:
         uses: ./.github/actions/setup-builder
         with:
           rust-version: stable
+      - name: Install dependencies
+        run: |
+          apt-get update -qq
+          apt-get install -y -qq clang
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
       - name: Build with wasm-pack

datafusion/datasource-parquet/Cargo.toml

@@ -52,7 +52,7 @@ object_store = { workspace = true }
 parking_lot = { workspace = true }
 parquet = { workspace = true }
 rand = { workspace = true }
-tokio = { workspace = true, features = ["fs"] }
+tokio = { workspace = true }
 
 [dev-dependencies]
 chrono = { workspace = true }

datafusion/datasource-parquet/src/file_format.rs

@@ -466,7 +466,6 @@ impl FileFormat for ParquetFormat {
 }
 
 /// Coerces the file schema if the table schema uses a view type.
-#[cfg(not(target_arch = "wasm32"))]
 pub fn coerce_file_schema_to_view_type(
     table_schema: &Schema,
     file_schema: &Schema,
@@ -516,7 +515,6 @@ pub fn coerce_file_schema_to_view_type(
 /// If the table schema uses a string type, coerce the file schema to use a string type.
 ///
 /// See [ParquetFormat::binary_as_string] for details
-#[cfg(not(target_arch = "wasm32"))]
 pub fn coerce_file_schema_to_string_type(
     table_schema: &Schema,
     file_schema: &Schema,

datafusion/wasmtest/Cargo.toml

@@ -45,7 +45,7 @@ chrono = { version = "0.4", features = ["wasmbind"] }
 # all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
 # code size when deploying.
 console_error_panic_hook = { version = "0.1.1", optional = true }
-datafusion = { workspace = true }
+datafusion = { workspace = true, features = ["parquet"] }
 datafusion-common = { workspace = true, default-features = true }
 datafusion-execution = { workspace = true }
 datafusion-expr = { workspace = true }