chore: enforce lint rule clippy::needless_pass_by_value to datafusion-datasource-avro (#18641)

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- Closes #18612.

## Rationale for this change

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- Enforce lint rule `clippy::needless_pass_by_value` to
`datafusion-datasource-avro`.

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Signed-off-by: Alan Tang <[email protected]>

Author: Standing-Man

datafusion/datasource-avro/src/avro_to_arrow/reader.rs

@@ -113,7 +113,7 @@ impl ReaderBuilder {
             None => Arc::new(super::read_avro_schema_from_reader(&mut source)?),
         };
         source.rewind()?;
-        Reader::try_new(source, schema, self.batch_size, self.projection)
+        Reader::try_new(source, &schema, self.batch_size, self.projection.as_ref())
     }
 }
 
@@ -135,12 +135,12 @@ impl<R: Read> Reader<'_, R> {
     /// useful if plucking values from a struct, e.g. getting `a.b.c.e` from `a.b.c.{d, e}`.
     pub fn try_new(
         reader: R,
-        schema: SchemaRef,
+        schema: &SchemaRef,
         batch_size: usize,
-        projection: Option<Vec<String>>,
+        projection: Option<&Vec<String>>,
     ) -> Result<Self> {
         let projected_schema = projection.as_ref().filter(|p| !p.is_empty()).map_or_else(
-            || Arc::clone(&schema),
+            || Arc::clone(schema),
             |proj| {
                 Arc::new(arrow::datatypes::Schema::new(
                     proj.iter()

datafusion/datasource-avro/src/mod.rs

@@ -23,6 +23,8 @@
 // Make sure fast / cheap clones on Arc are explicit:
 // https://github.com/apache/datafusion/issues/11143
 #![cfg_attr(not(test), deny(clippy::clone_on_ref_ptr))]
+#![deny(clippy::needless_pass_by_value)]
+#![cfg_attr(test, allow(clippy::needless_pass_by_value))]
 
 //! An [Avro](https://avro.apache.org/) based [`FileSource`](datafusion_datasource::file::FileSource) implementation and related functionality.
 

datafusion/datasource-avro/src/source.rs

@@ -61,9 +61,9 @@ impl AvroSource {
     fn open<R: std::io::Read>(&self, reader: R) -> Result<AvroReader<'static, R>> {
         AvroReader::try_new(
             reader,
-            Arc::clone(self.table_schema.file_schema()),
+            &Arc::clone(self.table_schema.file_schema()),
             self.batch_size.expect("Batch size must set before open"),
-            self.projection.clone(),
+            self.projection.clone().as_ref(),
         )
     }
 }