Struct TableSchema 

pub struct TableSchema {
    pub name: String,
    pub columns: Vec<Column>,
}

表结构定义

Fields

name: String

columns: Vec<Column>

Implementations

impl TableSchema

pub fn new(name: impl Into<String>, columns: Vec<Column>) -> Self

pub fn column_index(&self, name: &str) -> Option<usize>

根据列名获取列索引

pub fn column(&self, name: &str) -> Option<&Column>

根据列名获取列定义

pub fn primary_key(&self) -> Option<&Column>

获取主键列

pub fn auto_increment_column(&self) -> Option<&Column>

获取自增列

pub fn fill_defaults(&self, row: &mut Row)

填充行的默认值 对于行中缺少的列，如果该列有默认值，则自动填充

pub fn validate(&self, values: &[(String, DbValue)]) -> Result<(), SchemaError>

验证行值是否与 schema 匹配

Trait Implementations

impl Clone for TableSchema

fn clone(&self) -> TableSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableSchema

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TableSchema

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TableSchema

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.