Enum SelectImpl

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pub enum SelectImpl<'until_build, 'post_query> {
    SQLite(SelectData<'until_build, 'post_query>),
    MySQL(SelectData<'until_build, 'post_query>),
    Postgres(SelectData<'until_build, 'post_query>),
}
Expand description

Implementation of the Select trait for the different implementations.

Should only be constructed via DBImpl::select

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SQLite(SelectData<'until_build, 'post_query>)

Available on crate feature sqlite only.

SQLite representation of the SELECT operation.

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MySQL(SelectData<'until_build, 'post_query>)

Available on crate feature mysql only.

MySQL representation of the SELECT operation.

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Postgres(SelectData<'until_build, 'post_query>)

Available on crate feature postgres only.

Postgres representation of the SELECT operation.

Trait Implementations§

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impl<'until_build, 'post_query> Debug for SelectImpl<'until_build, 'post_query>

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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<'until_build, 'post_build> Select<'until_build, 'post_build> for SelectImpl<'until_build, 'post_build>

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fn limit_clause(self, limit: LimitClause) -> Self

Set a limit to the resulting rows.
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fn distinct(self) -> Self

Only retrieve distinct rows.
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fn where_clause( self, where_clause: &'until_build Condition<'post_build>, ) -> Self

Set a where clause to the query.
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fn build(self) -> (String, Vec<Value<'post_build>>)

Build the select query

Auto Trait Implementations§

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impl<'until_build, 'post_query> Freeze for SelectImpl<'until_build, 'post_query>

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impl<'until_build, 'post_query> RefUnwindSafe for SelectImpl<'until_build, 'post_query>

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impl<'until_build, 'post_query> Send for SelectImpl<'until_build, 'post_query>

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impl<'until_build, 'post_query> Sync for SelectImpl<'until_build, 'post_query>

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impl<'until_build, 'post_query> Unpin for SelectImpl<'until_build, 'post_query>

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impl<'until_build, 'post_query> UnwindSafe for SelectImpl<'until_build, 'post_query>

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, 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.