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QueryFeature

helios_persistence::composite::analyzer

Enum QueryFeature 

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pub enum QueryFeature {

Show 22 variants    BasicSearch,
    IdLookup,
    StringSearch,
    TokenSearch,
    DateSearch,
    NumberSearch,
    QuantitySearch,
    ReferenceSearch,
    UriSearch,
    CompositeSearch,
    ChainedSearch,
    ReverseChaining,
    FullTextSearch,
    TerminologySearch,
    Include,
    Revinclude,
    IterateInclude,
    Sorting,
    CursorPagination,
    OffsetPagination,
    TotalCount,
    Summary,

}
Expand description

Features detected in a search query.

These features are used to route queries to appropriate backends.

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BasicSearch

Basic search with simple parameters.

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IdLookup

ID lookup (_id parameter).

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StringSearch

String parameter search.

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TokenSearch

Token parameter search.

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DateSearch

Date parameter search.

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NumberSearch

Number parameter search.

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QuantitySearch

Quantity parameter search.

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ReferenceSearch

Reference parameter search.

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UriSearch

URI parameter search.

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CompositeSearch

Composite parameter search.

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ChainedSearch

Chained parameter search (e.g., patient.name).

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ReverseChaining

Reverse chaining (_has parameter).

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FullTextSearch

Full-text search (_text, _content).

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TerminologySearch

Terminology expansion (:above, :below, :in, :not-in).

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Include

_include directive.

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Revinclude

_revinclude directive.

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IterateInclude

Iterate include (_include:iterate).

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Sorting

Sorting (_sort parameter).

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CursorPagination

Cursor-based pagination.

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OffsetPagination

Offset-based pagination.

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TotalCount

Total count requested.

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Summary

Summary mode requested.

Implementations§

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impl QueryFeature

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pub fn required_capability(&self) -> Option<BackendCapability>

Returns the backend capability required for this feature.

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pub fn prefers_specialized_backend(&self) -> bool

Returns true if this feature typically benefits from a specialized backend.

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impl Clone for QueryFeature

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fn clone(&self) -> QueryFeature

Returns a duplicate 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 QueryFeature

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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 QueryFeature

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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
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impl Hash for QueryFeature

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for QueryFeature

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

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for QueryFeature

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for QueryFeature

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impl Eq for QueryFeature

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impl StructuralPartialEq for QueryFeature

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. 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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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type Proj<U: 'src> = U

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where R: 'src,

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where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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where T: ?Sized,

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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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type Output = T

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type Item<'a> = &'a T where T: 'a

The item yielded by the iterator.
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Iterate over the elements of the container.
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fn contains(&self, val: &T) -> bool
where T: PartialEq,

Check whether an item is contained within this sequence.
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