diesel::query_builder::bind_collector

Struct RawBytesBindCollector

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pub struct RawBytesBindCollector<DB: Backend + TypeMetadata> {
    pub metadata: Vec<DB::TypeMetadata>,
    pub binds: Vec<Option<Vec<u8>>>,
}
Expand description

A bind collector used by backends which transmit bind parameters as an opaque blob of bytes.

For most backends, this is the concrete implementation of BindCollector that should be used.

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§metadata: Vec<DB::TypeMetadata>

The metadata associated with each bind parameter.

This vec is guaranteed to be the same length as binds.

§binds: Vec<Option<Vec<u8>>>

The serialized bytes for each bind parameter.

This vec is guaranteed to be the same length as metadata.

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impl<DB: Backend + TypeMetadata> RawBytesBindCollector<DB>

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pub fn new() -> Self

Construct an empty RawBytesBindCollector

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impl<DB: Backend + TypeMetadata> BindCollector<DB> for RawBytesBindCollector<DB>

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fn push_bound_value<T, U>( &mut self, bind: &U, metadata_lookup: &DB::MetadataLookup, ) -> QueryResult<()>
where DB: HasSqlType<T>, U: ToSql<T, DB>,

Serializes the given bind value, and collects the result.
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impl<DB: Debug + Backend + TypeMetadata> Debug for RawBytesBindCollector<DB>
where DB::TypeMetadata: Debug,

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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<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> IntoSql for T

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fn into_sql<T>(self) -> AsExprOf<Self, T>
where Self: AsExpression<T> + Sized,

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T>
where &'a Self: AsExpression<T>,

Convert &self to an expression for Diesel’s query builder. 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.