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RuleAM01

Struct RuleAM01 

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pub struct RuleAM01;
Expand description

AM01: DISTINCT used with GROUP BY is redundant.

GROUP BY already produces unique rows for the grouped columns, so adding DISTINCT is ambiguous and potentially misleading.

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impl Debug for RuleAM01

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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 RuleAM01

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fn default() -> RuleAM01

Returns the “default value” for a type. Read more
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impl Rule for RuleAM01

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fn code(&self) -> &'static str

Rule code, e.g. “LT01”.
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fn name(&self) -> &'static str

Human-readable name, e.g. “layout.spacing”.
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fn description(&self) -> &'static str

One-line description.
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fn explanation(&self) -> &'static str

Multi-sentence explanation for AI consumers.
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fn groups(&self) -> &[RuleGroup]

Rule group.
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fn is_fixable(&self) -> bool

Can this rule auto-fix violations?
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fn crawl_type(&self) -> CrawlType

Which segments should be visited.
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fn eval(&self, ctx: &RuleContext<'_>) -> Vec<LintViolation>

Evaluate the rule at the given context, returning violations.
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fn configure(&mut self, _settings: &HashMap<String, String>)

Configure the rule with key-value settings from config. Default implementation is a no-op.

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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.