Struct Mapping 

pub struct Mapping {
    pub property: String,
    pub column: String,
    pub type_handler: Option<String>,
}

单字段映射规则（property <-> column）

Fields

property: String

目标属性名（Rust 字段名）

column: String

数据库列名

type_handler: Option<String>

可选 TypeHandler 名称（用于自定义类型转换）

Implementations

impl Mapping

pub fn new(property: impl Into<String>, column: impl Into<String>) -> Self

创建字段映射

pub fn with_handler( property: impl Into<String>, column: impl Into<String>, handler: impl Into<String>, ) -> Self

创建带 TypeHandler 的字段映射

Trait Implementations

impl Clone for Mapping

fn clone(&self) -> Mapping

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Mapping

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

Formats the value using the given formatter.

impl Eq for Mapping

impl PartialEq for Mapping

fn eq(&self, other: &Mapping) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Mapping