Method qualified_field

datafusion/common/src/dfschema.rs:377–379

Returns the qualifier (if any) and [`FieldRef`] for a column at specific index within the schema.

(&self, i: usize)

    /// Returns the qualifier (if any) and [`FieldRef`] for a column at specific
    /// index within the schema.
    pub fn qualified_field(&self, i: usize) -> (Option<&TableReference>, &FieldRef) {
        (self.field_qualifiers[i].as_ref(), self.field(i))
    }

    pub fn index_of_column_by_name(
        &self,