risingwave_meta_model::table

Enum Column

pub enum Column {
Show 29 variants    TableId,
    Name,
    OptionalAssociatedSourceId,
    TableType,
    BelongsToJobId,
    Columns,
    Pk,
    DistributionKey,
    StreamKey,
    AppendOnly,
    FragmentId,
    VnodeColIndex,
    RowIdIndex,
    ValueIndices,
    Definition,
    HandlePkConflictBehavior,
    VersionColumnIndex,
    ReadPrefixLenHint,
    WatermarkIndices,
    DistKeyInPk,
    DmlFragmentId,
    Cardinality,
    CleanedByWatermark,
    Description,
    Version,
    RetentionSeconds,
    IncomingSinks,
    CdcTableId,
    VnodeCount,
}

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Variants§

TableId

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Name

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OptionalAssociatedSourceId

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TableType

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BelongsToJobId

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Columns

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Pk

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DistributionKey

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StreamKey

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AppendOnly

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FragmentId

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VnodeColIndex

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RowIdIndex

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ValueIndices

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Definition

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HandlePkConflictBehavior

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VersionColumnIndex

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ReadPrefixLenHint

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WatermarkIndices

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DistKeyInPk

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DmlFragmentId

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Cardinality

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CleanedByWatermark

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Description

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Version

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RetentionSeconds

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IncomingSinks

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CdcTableId

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VnodeCount

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Implementations§

impl Column

fn default_as_str(&self) -> &str

Trait Implementations§

impl Clone for Column

fn clone(&self) -> Column

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl ColumnTrait for Column

type EntityName = Entity

fn def(&self) -> ColumnDef

Define a column for an Entity

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.

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.

fn entity_name(&self) -> SeaRc<dyn Iden>

Get the name of the entity the column belongs to

fn as_column_ref(&self) -> (SeaRc<dyn Iden>, SeaRc<dyn Iden>)

get the name of the entity the column belongs to

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

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

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

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

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

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

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

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

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

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

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

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

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

fn max(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

fn min(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

fn sum(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

fn count(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

fn is_null(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

fn is_not_null(&self) -> SimpleExpr

See also SeaQuery’s method with same name.

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

Perform an operation if the column is null

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

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

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

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

fn into_expr(self) -> Expr

Construct a [SimpleExpr::Column] wrapped in [Expr].

fn into_returning_expr(self, db_backend: DatabaseBackend) -> Expr

Construct a returning [Expr].

fn select_enum_as(&self, expr: Expr) -> SimpleExpr

Cast enum column as text; do nothing if self is not an enum.

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.

impl Debug for Column

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl FromStr for Column

type Err = ColumnFromStrErr

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more

impl Iden for Column

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

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

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

fn to_string(&self) -> String

impl IdenStatic for Column

fn as_str(&self) -> &str

Method to call to get the static string identity

impl IntoEnumIterator for Column

type Iterator = ColumnIter

fn iter() -> ColumnIter ⓘ

impl Copy for Column

Auto Trait Implementations§

impl Freeze for Column

impl RefUnwindSafe for Column

impl Send for Column

impl Sync for Column

impl Unpin for Column

impl UnwindSafe for Column

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromRef<T> for T
where T: Clone,

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

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

type IntoIter = Once<SeaRc<dyn Iden>>

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

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

fn identity_of(self) -> Identity

Method to call to perform this check

impl<T> Instrument for T

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

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

fn into_column_ref(self) -> ColumnRef

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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

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

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

fn into_identity(self) -> Identity

Method to perform the conversion

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

fn into_index_column(self) -> IndexColumn

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

impl<T> IntoResult<T> for T

type Err = Infallible

fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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

fn into_simple_expr(self) -> SimpleExpr

Method to perform the conversion

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

fn into_table_ref(self) -> TableRef

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

fn into_type_ref(self) -> TypeRef

impl<M> MetricVecRelabelExt for M

fn relabel( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level.

fn relabel_n( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, relabel_num: usize, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n.

fn relabel_debug_1( self, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n with metric_level set to MetricLevel::Debug and relabel_num set to 1.

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

impl<T> DevConfig for T
where T: Send + Sync + 'static + Debug,

impl<T> LruValue for T
where T: Send + Sync,

impl<T> Value for T
where T: Send + Sync + 'static,