pub enum Column {
    TitleSlug,
    Title,
    TitleCn,
    IsFavor,
    FrontendQuestionId,
    PaidOnly,
    Difficulty,
    Status,
    AcRate,
}
Expand description

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Variants§

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TitleSlug

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Title

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TitleCn

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IsFavor

Generated by sea-orm-macros

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FrontendQuestionId

Generated by sea-orm-macros

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PaidOnly

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Difficulty

Generated by sea-orm-macros

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Status

Generated by sea-orm-macros

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AcRate

Generated by sea-orm-macros

Trait Implementations§

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impl Clone for Column

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fn clone(&self) -> Column

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl ColumnTrait for Column

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type EntityName = Entity

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fn def(&self) -> ColumnDef

Define a column for an Entity
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fn select_as(&self, expr: Expr) -> SimpleExpr

Cast column expression used in select statement. It only cast database enum as text if it’s an enum column.
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fn save_as(&self, val: Expr) -> SimpleExpr

Cast value of a column into the correct type for database storage. It only cast text as enum type if it’s an enum column.
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fn entity_name(&self) -> SeaRc<dyn Iden>

Get the name of the entity the column belongs to
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fn as_column_ref(&self) -> (SeaRc<dyn Iden>, SeaRc<dyn Iden>)

get the name of the entity the column belongs to
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fn eq<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn ne<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn gt<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn gte<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn lt<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn lte<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

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fn between<V>(&self, a: V, b: V) -> SimpleExpr
where V: Into<Value>,

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fn not_between<V>(&self, a: V, b: V) -> SimpleExpr
where V: Into<Value>,

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fn like<T>(&self, s: T) -> SimpleExpr
where T: Into<String>,

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fn not_like<T>(&self, s: T) -> SimpleExpr
where T: Into<String>,

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fn starts_with<T>(&self, s: T) -> SimpleExpr
where T: Into<String>,

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fn ends_with<T>(&self, s: T) -> SimpleExpr
where T: Into<String>,

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fn contains<T>(&self, s: T) -> SimpleExpr
where T: Into<String>,

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fn max(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn min(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn sum(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn count(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn is_null(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn is_not_null(&self) -> SimpleExpr

See also SeaQuery’s method with same name.
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fn if_null<V>(&self, v: V) -> SimpleExpr
where V: Into<Value>,

Perform an operation if the column is null
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fn is_in<V, I>(&self, v: I) -> SimpleExpr
where V: Into<Value>, I: IntoIterator<Item = V>,

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fn is_not_in<V, I>(&self, v: I) -> SimpleExpr
where V: Into<Value>, I: IntoIterator<Item = V>,

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fn in_subquery(&self, s: SelectStatement) -> SimpleExpr

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fn not_in_subquery(&self, s: SelectStatement) -> SimpleExpr

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fn into_expr(self) -> Expr

Construct a SimpleExpr::Column wrapped in Expr.
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fn select_enum_as(&self, expr: Expr) -> SimpleExpr

Cast enum column as text; do nothing if self is not an enum.
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fn save_enum_as(&self, val: Expr) -> SimpleExpr

Cast value of an enum column as enum type; do nothing if self is not an enum. Will also transform Array(Vec<Json>) into Json(Vec<Json>) if the column type is Json.
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impl Debug for Column

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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 FromStr for Column

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type Err = ColumnFromStrErr

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Iden for Column

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fn unquoted(&self, s: &mut dyn Write)

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fn prepare(&self, s: &mut dyn Write, q: Quote)

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fn quoted(&self, q: Quote) -> String

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fn to_string(&self) -> String

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impl IdenStatic for Column

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fn as_str(&self) -> &str

Method to call to get the static string identity
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impl IntoEnumIterator for Column

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impl Copy for Column

Auto Trait Implementations§

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impl Freeze for Column

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impl RefUnwindSafe for Column

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impl Send for Column

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impl Sync for Column

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impl Unpin for Column

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impl UnwindSafe for Column

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<I> IdenList for I
where I: IntoIden,

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type IntoIter = Once<SeaRc<dyn Iden>>

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fn into_iter(self) -> <I as IdenList>::IntoIter

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impl<E, C> IdentityOf<E> for C
where E: EntityTrait<Column = C>, C: ColumnTrait,

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fn identity_of(self) -> Identity

Method to call to perform this check
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoColumnRef for T
where T: 'static + IntoIden,

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impl<T> IntoIden for T
where T: 'static + Iden,

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fn into_iden(self) -> SeaRc<dyn Iden>

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impl<T> IntoIdentity for T
where T: IdenStatic,

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fn into_identity(self) -> Identity

Method to perform the conversion
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impl<I> IntoIndexColumn for I
where I: IntoIden,

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impl<C> IntoSimpleExpr for C
where C: ColumnTrait,

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fn into_simple_expr(self) -> SimpleExpr

Method to perform the conversion
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impl<T> IntoTableRef for T
where T: 'static + IntoIden,

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impl<I> IntoTypeRef for I
where I: IntoIden,

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more