diesel::query_builder

Struct DebugQuery

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pub struct DebugQuery<'a, T: 'a, DB> { /* private fields */ }
Expand description

A struct that implements fmt::Display and fmt::Debug to show the SQL representation of a query.

The Display implementation will be the exact query sent to the server, plus a comment with the values of the bind parameters. The Debug implementation is more structured, and able to be pretty printed.

See debug_query for usage examples.

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impl<'a, T, V, QId, Op, O, const STATIC_QUERY_ID: bool> Debug for DebugQuery<'a, InsertStatement<T, BatchInsert<Vec<ValuesClause<V, T>>, T, QId, STATIC_QUERY_ID>, Op>, Sqlite>
where T: QuerySource, V: ContainsDefaultableValue<Out = O>, Self: DebugQueryHelper<O>,

Available on crate feature sqlite only.
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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<'a, T, DB> Debug for DebugQuery<'a, T, DB>
where DB: Backend + Default, DB::QueryBuilder: Default, T: QueryFragment<DB>,

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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<'a, T, V, QId, Op, O, const STATIC_QUERY_ID: bool> Display for DebugQuery<'a, InsertStatement<T, BatchInsert<Vec<ValuesClause<V, T>>, T, QId, STATIC_QUERY_ID>, Op>, Sqlite>
where T: QuerySource, V: ContainsDefaultableValue<Out = O>, Self: DebugQueryHelper<O>,

Available on crate feature sqlite only.
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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<'a, T, DB> Display for DebugQuery<'a, T, DB>
where DB: Backend + Default, DB::QueryBuilder: Default, T: QueryFragment<DB>,

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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, DB> DebugQuery for DebugQuery<'_, T, DB>
where Self: Debug + Display,

Auto Trait Implementations§

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impl<'a, T, DB> Freeze for DebugQuery<'a, T, DB>

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impl<'a, T, DB> RefUnwindSafe for DebugQuery<'a, T, DB>
where T: RefUnwindSafe, DB: RefUnwindSafe,

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impl<'a, T, DB> Send for DebugQuery<'a, T, DB>
where T: Sync, DB: Send,

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impl<'a, T, DB> Sync for DebugQuery<'a, T, DB>
where T: Sync, DB: Sync,

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impl<'a, T, DB> Unpin for DebugQuery<'a, T, DB>
where DB: Unpin,

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impl<'a, T, DB> UnwindSafe for DebugQuery<'a, T, DB>
where T: RefUnwindSafe, DB: UnwindSafe,

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> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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, T: SqlType + TypedExpressionType,

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>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. 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> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T