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JsTable

Struct JsTable 

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pub struct JsTable { /* private fields */ }
Expand description

JavaScript-friendly table reference.

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impl JsTable

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pub fn new(schema: Table) -> Self

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pub fn schema(&self) -> &Table

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impl JsTable

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pub fn name(&self) -> String

Returns the table name.

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pub fn col(&self, name: &str) -> Option<Column>

Returns a column reference.

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pub fn column_names(&self) -> Array

Returns the column names.

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pub fn column_count(&self) -> usize

Returns the number of columns.

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pub fn get_column_type(&self, name: &str) -> Option<JsDataType>

Returns the column data type.

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

Returns whether a column is nullable.

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pub fn primary_key_columns(&self) -> Array

Returns the primary key column names.

Trait Implementations§

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impl From<JsTable> for JsValue

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fn from(value: JsTable) -> Self

Converts to this type from the input type.
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impl FromWasmAbi for JsTable

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type Abi = u32

The Wasm ABI type that this converts from when coming back out from the ABI boundary.
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unsafe fn from_abi(js: u32) -> Self

Recover a Self from Self::Abi. Read more
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impl IntoWasmAbi for JsTable

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type Abi = u32

The Wasm ABI type that this converts into when crossing the ABI boundary.
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fn into_abi(self) -> u32

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.
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impl LongRefFromWasmAbi for JsTable

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type Abi = u32

Same as RefFromWasmAbi::Abi
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type Anchor = RcRef<JsTable>

Same as RefFromWasmAbi::Anchor
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unsafe fn long_ref_from_abi(js: Self::Abi) -> Self::Anchor

Same as RefFromWasmAbi::ref_from_abi
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impl OptionFromWasmAbi for JsTable

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fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a “none” instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi.
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impl OptionIntoWasmAbi for JsTable

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fn none() -> Self::Abi

Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more
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impl RefFromWasmAbi for JsTable

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type Abi = u32

The Wasm ABI type references to Self are recovered from.
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type Anchor = RcRef<JsTable>

The type that holds the reference to Self for the duration of the invocation of the function that has an &Self parameter. This is required to ensure that the lifetimes don’t persist beyond one function call, and so that they remain anonymous.
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unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor

Recover a Self::Anchor from Self::Abi. Read more
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impl RefMutFromWasmAbi for JsTable

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type Abi = u32

Same as RefFromWasmAbi::Abi
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type Anchor = RcRefMut<JsTable>

Same as RefFromWasmAbi::Anchor
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unsafe fn ref_mut_from_abi(js: Self::Abi) -> Self::Anchor

Same as RefFromWasmAbi::ref_from_abi
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impl TryFromJsValue for JsTable

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fn try_from_js_value(value: JsValue) -> Result<Self, JsValue>

Performs the conversion.
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fn try_from_js_value_ref(value: &JsValue) -> Option<Self>

Performs the conversion.
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impl VectorFromWasmAbi for JsTable

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type Abi = <Box<[JsValue]> as FromWasmAbi>::Abi

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unsafe fn vector_from_abi(js: Self::Abi) -> Box<[JsTable]>

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impl VectorIntoWasmAbi for JsTable

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impl WasmDescribe for JsTable

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impl WasmDescribeVector for JsTable

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impl SupportsConstructor for JsTable

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impl SupportsInstanceProperty for JsTable

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impl SupportsStaticProperty for JsTable

Auto Trait Implementations§

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> ReturnWasmAbi for T
where T: IntoWasmAbi,

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type Abi = <T as IntoWasmAbi>::Abi

Same as IntoWasmAbi::Abi
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fn return_abi(self) -> <T as ReturnWasmAbi>::Abi

Same as IntoWasmAbi::into_abi, except that it may throw and never return in the case of Err.
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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.