[−]Struct kubos_telemetry_db::telemetry::columns::star
Represents table_name.*, which is sometimes needed for
efficient count queries. It cannot be used in place of
all_columns, and has a SqlType of () to prevent it
being used that way
Trait Implementations
impl Clone for star
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impl Clone for starimpl Copy for star
impl Copy for starimpl Debug for star
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impl Debug for starimpl SelectableExpression<table> for star
impl SelectableExpression<table> for starimpl AppearsOnTable<table> for star
impl AppearsOnTable<table> for starimpl Expression for star
impl Expression for starimpl<DB: Backend> QueryFragment<DB> for star where
<table as QuerySource>::FromClause: QueryFragment<DB>,
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impl<DB: Backend> QueryFragment<DB> for star where
<table as QuerySource>::FromClause: QueryFragment<DB>, Auto Trait Implementations
Blanket Implementations
impl<T> From for T[src]
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impl<T> From for Timpl<T, U> Into for T where
U: From<T>, [src]
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impl<T, U> Into for T where
U: From<T>, impl<T> ToOwned for T where
T: Clone, [src]
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impl<T> ToOwned for T where
T: Clone, type Owned = T
fn to_owned(&self) -> T[src]
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fn to_owned(&self) -> TCreates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)[src]
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fn clone_into(&self, target: &mut T)🔬 This is a nightly-only experimental API. (toowned_clone_into)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T, U> TryFrom for T where
T: From<U>, [src]
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impl<T, U> TryFrom for T where
T: From<U>, type Error = !
try_from)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>try_from)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized, [src]
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impl<T> Borrow for T where
T: ?Sized, impl<T> BorrowMut for T where
T: ?Sized, [src]
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impl<T> BorrowMut for T where
T: ?Sized, fn borrow_mut(&mut self) -> &mut T[src]
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fn borrow_mut(&mut self) -> &mut TMutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
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impl<T, U> TryInto for T where
U: TryFrom<T>, type Error = <U as TryFrom<T>>::Error
try_from)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>try_from)Performs the conversion.
impl<T> Any for T where
T: 'static + ?Sized, [src]
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impl<T> Any for T where
T: 'static + ?Sized, fn get_type_id(&self) -> TypeId[src]
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fn get_type_id(&self) -> TypeId🔬 This is a nightly-only experimental API. (get_type_id)
this method will likely be replaced by an associated static
Gets the TypeId of self. Read more
impl<T> NullableExpressionMethods for T where
T: Expression,
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impl<T> NullableExpressionMethods for T where
T: Expression, fn nullable(self) -> Nullable<Self>
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fn nullable(self) -> Nullable<Self>Converts this potentially non-null expression into one which is treated as nullable. This method has no impact on the generated SQL, and is only used to allow certain comparisons that would otherwise fail to compile. Read more
impl<T> IntoSql for T
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impl<T> IntoSql for Tfn into_sql<T>(self) -> Self::Expression where
Self: AsExpression<T>,
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fn into_sql<T>(self) -> Self::Expression where
Self: AsExpression<T>, Convert self to an expression for Diesel's query builder. Read more
fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
&'a Self: AsExpression<T>,
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
&'a Self: AsExpression<T>, Convert &self to an expression for Diesel's query builder. Read more