[−]Struct edit_server::db::schema::logs::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 star
impl Copy for star
impl Copy for star
impl Debug for star
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impl Debug for star
impl Expression for star
impl Expression for star
impl AppearsOnTable<table> for star
impl AppearsOnTable<table> for star
impl SelectableExpression<table> for star
impl SelectableExpression<table> for star
impl<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, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
impl<T> From for T
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impl<T> From for T
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
impl<T> IntoSql for T
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impl<T> IntoSql for T
fn 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
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> Erased for T
impl<T> Erased for T