Method name_for_alias

datafusion/expr/src/expr.rs:1770–1772

Return the name to use for the specific Expr

(&self)

    /// Return the name to use for the specific Expr
    pub fn name_for_alias(&self) -> Result<String> {
        Ok(self.schema_name().to_string())
    }

    /// Ensure `expr` has the name as `original_name` by adding an
    /// alias if necessary.