Struct mz_transform::notice::OptimizerNotice

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pub struct OptimizerNotice {
    pub id: GlobalId,
    pub kind: OptimizerNoticeKind,
    pub item_id: Option<GlobalId>,
    pub dependencies: BTreeSet<GlobalId>,
    pub message: String,
    pub hint: String,
    pub action: Action,
    pub message_redacted: Option<String>,
    pub hint_redacted: Option<String>,
    pub action_redacted: Option<Action>,
    pub created_at: u64,
}
Expand description

An long lived in-memory representation of a RawOptimizerNotice that is meant to be kept as part of the hydrated catalog state.

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§id: GlobalId

An id that uniquely identifies this notice in the mz_notices relation.

§kind: OptimizerNoticeKind

The notice kind.

§item_id: Option<GlobalId>

The ID of the catalog item associated with this notice.

This is None if the notice is scoped to the entire catalog.

§dependencies: BTreeSet<GlobalId>

A set of ids that need to exist for this notice to be considered valid. Removing any of the IDs in this set will result in the notice being asynchronously removed from the catalog state.

§message: String

A brief description of what concretely went wrong.

Details and context about situations in which this notice kind would be emitted should be reserved for the documentation page for this notice kind.

§hint: String

A high-level hint that tells the user what can be improved.

§action: Action

A recommended action. This is a more concrete version of the hint.

§message_redacted: Option<String>

A redacted version of the message field.

§hint_redacted: Option<String>

A redacted version of the hint field.

§action_redacted: Option<Action>

A redacted version of the action field.

§created_at: u64

The date at which this notice was last created.

Implementations§

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impl OptimizerNotice

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pub fn explain( notices: &Vec<Arc<Self>>, humanizer: &dyn ExprHumanizer, redacted: bool ) -> Result<Vec<String>, Error>

Turns a vector of notices into a vector of strings that can be used in EXPLAIN.

This method should be consistent with RawOptimizerNotice::explain.

Trait Implementations§

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impl Clone for OptimizerNotice

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fn clone(&self) -> OptimizerNotice

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for OptimizerNotice

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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 Ord for OptimizerNotice

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fn cmp(&self, other: &OptimizerNotice) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for OptimizerNotice

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fn eq(&self, other: &OptimizerNotice) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for OptimizerNotice

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fn partial_cmp(&self, other: &OptimizerNotice) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Eq for OptimizerNotice

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impl StructuralPartialEq for OptimizerNotice

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