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Value

Enum Value 

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pub enum Value {
Show 21 variants Null, Bool(bool), Int64(i64), Float64(f64), Str(String), Bytes(Vec<u8>), Uuid(Uuid), Decimal(String), Duration { months: i32, days: i32, microseconds: i64, }, Date(i32), Time(i64), Timestamp(i64), Timestamptz(i64), Range(Box<Range>), Array(Vec<Value>), Tuple(Vec<Value>), Object(Object), Enum { type_name: String, value: String, }, Group(Box<Group>), VectorSearch { object: Box<Value>, distance: f64, }, FtsSearch { object: Box<Value>, score: f64, },
}
Expand description

A decoded query result value. One variant per ShapeNode/DecodedValue kind decode.rs knows how to produce — see that module for the walk that builds these.

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Null

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Bool(bool)

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Int64(i64)

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Float64(f64)

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Str(String)

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Bytes(Vec<u8>)

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Uuid(Uuid)

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Decimal(String)

Arbitrary-precision decimal, in its canonical string form — matches pylon_value::DecodedValue::Decimal’s own representation, since there’s no single obviously-correct native Rust decimal type to commit this generic client to.

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Duration

A PostgreSQL interval (std::duration / cal::relative_duration) — kept as its three raw wire components, same reasoning as DecodedValue::Interval.

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§months: i32
§days: i32
§microseconds: i64
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Date(i32)

Whole days since the PG epoch (2000-01-01). Backs cal::local_date.

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Time(i64)

Microseconds since midnight. Backs cal::local_time.

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Timestamp(i64)

Microseconds since the PG epoch, no timezone. Backs cal::local_datetime.

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Timestamptz(i64)

Microseconds since the PG epoch, UTC. Backs std::datetime.

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Range(Box<Range>)

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Array(Vec<Value>)

A genuine Postgres array.

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Tuple(Vec<Value>)

An anonymous positional tuple (tuple<...> with no member names).

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Object(Object)

A schema object or a free/named-tuple object — see Object.

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Enum

An enum value, hydrated to its qualified type name + variant label rather than a generated Rust enum (there’s no per-schema-type codegen on this client, matching the generic-Object design as a whole).

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§type_name: String
§value: String
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Group(Box<Group>)

Result of a group statement.

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VectorSearch

Result of a vector::search statement.

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§object: Box<Value>
§distance: f64
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FtsSearch

Result of an fts::search statement.

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§object: Box<Value>
§score: f64

Trait Implementations§

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impl Clone for Value

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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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 PartialEq for Value

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Queryable for Value

Decoding Value into itself — lets query::<Value, _>(...) (the untyped path every caller used before Queryable existed) go through the same generic method as a derived row struct.

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fn decode(value: &Value) -> Result<Self, DecodeError>

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impl StructuralPartialEq for Value

Auto Trait Implementations§

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impl Freeze for Value

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impl RefUnwindSafe for Value

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impl Send for Value

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impl Sync for Value

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impl Unpin for Value

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impl UnsafeUnpin for Value

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impl UnwindSafe for Value

Blanket Implementations§

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more