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RequireLimitRule

sz_orm_sql_validator::sql_rules

Struct RequireLimitRule 

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pub struct RequireLimitRule;
Expand description

限制结果集行数规则

检测 SELECT 语句是否包含 LIMIT 子句，未包含则报告违规。 适用于防止全表扫描返回过大结果集的场景。

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impl Debug for RequireLimitRule

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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 Default for RequireLimitRule

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fn default() -> RequireLimitRule

Returns the “default value” for a type. Read more
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impl SqlRule for RequireLimitRule

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fn name(&self) -> &str

规则名称，需在引擎内唯一
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fn severity(&self) -> RuleSeverity

规则的默认严重级别
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fn check(&self, ctx: &RuleContext) -> Option<RuleViolation>

检查 SQL 上下文，返回 Some(violation) 表示违规，None 表示通过

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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, U> Into<U> 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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.