Method fmt

src/repr/src/relation.rs:258–261

(&self, f: &mut fmt::Formatter<'_>)

impl fmt::Display for SqlColumnType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let nullable = if self.nullable { "Null" } else { "NotNull" };
        f.write_fmt(format_args!("{:?}:{}", self.scalar_type, nullable))
    }
}

/// The type of a relation.