Struct mz_transform::attribute::AttributeStore

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pub struct AttributeStore<'c> { /* private fields */ }
Expand description

A store of attribute derivation algorithms.

Values of Some(attribute) in the individual fields represent attributes that should be derived.

The definition order of the fields must respect dependencies (the first attribute cannot have dependencies, the second can only depend on the first, and so forth).

Trait Implementations§

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impl<'c> AttributeContainer<Arity> for AttributeStore<'c>

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fn push_attribute(&mut self, value: Arity)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<Arity>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&Arity>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut Arity>

Get a mutable reference to the attribute.
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impl<'c> AttributeContainer<Cardinality> for AttributeStore<'c>

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fn push_attribute(&mut self, value: Cardinality)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<Cardinality>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&Cardinality>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut Cardinality>

Get a mutable reference to the attribute.
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impl<'a> AttributeContainer<ColumnNames<'a>> for AttributeStore<'a>

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fn push_attribute(&mut self, value: ColumnNames<'a>)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<ColumnNames<'a>>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&ColumnNames<'a>>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut ColumnNames<'a>>

Get a mutable reference to the attribute.
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impl<'c> AttributeContainer<NonNegative> for AttributeStore<'c>

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fn push_attribute(&mut self, value: NonNegative)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<NonNegative>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&NonNegative>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut NonNegative>

Get a mutable reference to the attribute.
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impl<'c> AttributeContainer<RelationType> for AttributeStore<'c>

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fn push_attribute(&mut self, value: RelationType)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<RelationType>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&RelationType>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut RelationType>

Get a mutable reference to the attribute.
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impl<'c> AttributeContainer<SubtreeSize> for AttributeStore<'c>

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fn push_attribute(&mut self, value: SubtreeSize)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<SubtreeSize>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&SubtreeSize>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut SubtreeSize>

Get a mutable reference to the attribute.
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impl<'c> AttributeContainer<UniqueKeys> for AttributeStore<'c>

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fn push_attribute(&mut self, value: UniqueKeys)

Push the attribute to the store.
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fn take_attribute(&mut self) -> Option<UniqueKeys>

Take the attribute from the store, leaving its slot empty.
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fn attribute_is_enabled(&self) -> bool

Check if the attribute is enabled.
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fn get_attribute(&self) -> Option<&UniqueKeys>

Get an immutable reference to the attribute.
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fn get_mut_attribute(&mut self) -> Option<&mut UniqueKeys>

Get a mutable reference to the attribute.
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impl<'c> Default for AttributeStore<'c>

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fn default() -> AttributeStore<'c>

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

Auto Trait Implementations§

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impl<'c> Freeze for AttributeStore<'c>

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impl<'c> !RefUnwindSafe for AttributeStore<'c>

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impl<'c> !Send for AttributeStore<'c>

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impl<'c> !Sync for AttributeStore<'c>

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impl<'c> Unpin for AttributeStore<'c>

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impl<'c> !UnwindSafe for AttributeStore<'c>

Blanket Implementations§

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impl<T> Any for T
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Gets the TypeId of self. Read more
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