DbObject

Struct DbObject 

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pub struct DbObject {
    pub type_name: String,
    pub values: HashMap<String, Value>,
    pub elements: Vec<Value>,
    pub is_collection: bool,
}
Expand description

An instance of a database object

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§type_name: String

The object type

§values: HashMap<String, Value>

Attribute values (for object types)

§elements: Vec<Value>

Element values (for collections)

§is_collection: bool

Whether this is a collection

Implementations§

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impl DbObject

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pub fn new(type_name: impl Into<String>) -> Self

Create a new object instance

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pub fn collection(type_name: impl Into<String>) -> Self

Create a new collection instance

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pub fn set(&mut self, name: impl Into<String>, value: impl Into<Value>)

Set an attribute value

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pub fn get(&self, name: &str) -> Option<&Value>

Get an attribute value

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pub fn has(&self, name: &str) -> bool

Check if an attribute is set

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pub fn append(&mut self, value: impl Into<Value>)

Append an element to a collection

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pub fn get_elements(&self) -> &[Value]

Get collection elements

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pub fn len(&self) -> usize

Get collection length

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pub fn is_empty(&self) -> bool

Check if empty

Trait Implementations§

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impl Clone for DbObject

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fn clone(&self) -> DbObject

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 DbObject

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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 From<DbObject> for Value

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fn from(v: DbObject) -> Self

Converts to this type from the input type.

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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> 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> 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 = 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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