Enum Op

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pub enum Op {
Show 16 variants    Eq,
    Ne,
    Like,
    Gt,
    Lt,
    Gte,
    Lte,
    In,
    NotIn,
    Between,
    FindInSet,
    JsonContains,
    IsNull,
    IsNotNull,
    Exists,
    NotExists,
}

Expand description

支持的 SQL 操作符

Variants§

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Eq

等于 (=)

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Ne

不等于 (!=)

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Like

模糊匹配 (LIKE)

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Gt

大于 (>)

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Lt

小于 (<)

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Gte

大于等于 (>=)

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Lte

小于等于 (<=)

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In

包含在列表内 (IN)

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NotIn

不包含在列表内 (NOT IN)

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Between

在范围内 (BETWEEN)

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FindInSet

逗号分隔字符串查找 (FIND_IN_SET)

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JsonContains

JSON 包含 (JSON_CONTAINS)

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IsNull

为空 (IS NULL)

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IsNotNull

不为空 (IS NOT NULL)

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Exists

存在子查询 (EXISTS)

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NotExists

不存在子查询 (NOT EXISTS)

Trait Implementations§

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impl Debug for Op

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

Formats the value using the given formatter. Read more

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impl<'de> Deserialize<'de> for Op

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

Auto Trait Implementations§

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impl UnwindSafe for Op

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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