Struct WhereCondition 

pub struct WhereCondition {
    pub field: String,
    pub op: WhereOp,
    pub value: Value,
    pub extra_values: Vec<Value>,
}

查询条件

Fields

field: String

op: WhereOp

value: Value

extra_values: Vec<Value>

For Between / In / NotIn，副值列表

Implementations

impl WhereCondition

pub fn new(field: impl Into<String>, op: WhereOp, value: Value) -> Self

创建单值条件（Eq/Ne/Gt/Ge/Lt/Le/Like）

pub fn null_check(field: impl Into<String>, op: WhereOp) -> Self

创建 IsNull / IsNotNull 条件

pub fn in_op(field: impl Into<String>, op: WhereOp, values: Vec<Value>) -> Self

创建 In / NotIn 条件

pub fn between(field: impl Into<String>, low: Value, high: Value) -> Self

创建 Between 条件

Trait Implementations

impl Clone for WhereCondition

fn clone(&self) -> WhereCondition

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WhereCondition

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

Formats the value using the given formatter.