SelectDistinct

risingwave_meta_model_migration

Enum SelectDistinct 

pub enum SelectDistinct {
    All,
    Distinct,
    DistinctRow,
    DistinctOn(Vec<ColumnRef>),
}
Expand description

List of distinct keywords that can be used in select statement

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All

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Distinct

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DistinctRow

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DistinctOn(Vec<ColumnRef>)

Trait Implementations§

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impl Clone for SelectDistinct

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fn clone(&self) -> SelectDistinct

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for SelectDistinct

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

Formats the value using the given formatter. Read more
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impl PartialEq for SelectDistinct

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fn eq(&self, other: &SelectDistinct) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for SelectDistinct

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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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fn as_<T>(self) -> T
where T: CastFrom<U>,

Casts self to type T. The semantics of numeric casting with the as operator are followed, so <T as As>::as_::<U> can be used in the same way as T as U for numeric conversions. Read more
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impl<T> AsAny for T
where T: Any,

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fn as_any(&self) -> &(dyn Any + 'static)

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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

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Gets the type name of self
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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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Returns the argument unchanged.

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Converts to this type from a reference to the input type.
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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
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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
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Wrap the input message T in a tonic::Request
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more
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The resulting type after obtaining ownership.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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