pub fn schema(&self) -> &Schema {
        self.projection
            .as_ref()
            .map(|x| &x.1)
            .unwrap_or(&self.metadata.schema)
    }
/// Return the schema of the file
Return the schema of the file
Return the schema of the file
pub fn schema(&self) -> &Schema {
        self.projection
            .as_ref()
            .map(|x| &x.1)
            .unwrap_or(&self.metadata.schema)
    }
pub fn schema ( & self ) -> & Schema { self . projection . as_ref ( ) . map ( | x | & x . 1 ) . unwrap_or ( & self . metadata . schema ) }
Return the schema of the file
Return the schema of the file
&self
&self