Enum mz_repr::relation::PropRelationDescDiff

pub enum PropRelationDescDiff {
    AddColumn {
        name: ColumnName,
        typ: ColumnType,
    },
    DropColumn {
        name: ColumnName,
    },
    ToggleNullability {
        name: ColumnName,
    },
    ChangeType {
        name: ColumnName,
        typ: ColumnType,
    },
}

Expand description

Diffs that can be generated proptest and applied to a RelationDesc to exercise schema migrations.

Variants§

AddColumn

Fields

§name: ColumnName

§typ: ColumnType

DropColumn

Fields

§name: ColumnName

ToggleNullability

Fields

§name: ColumnName

ChangeType

Fields

§name: ColumnName

§typ: ColumnType

Implementations§

impl PropRelationDescDiff

pub fn apply(self, desc: &mut RelationDesc)

Trait Implementations§

impl Debug for PropRelationDescDiff

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for PropRelationDescDiff

impl RefUnwindSafe for PropRelationDescDiff

impl Send for PropRelationDescDiff

impl Sync for PropRelationDescDiff

impl Unpin for PropRelationDescDiff

impl UnwindSafe for PropRelationDescDiff

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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The alignment of pointer.

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

Initializes a with the given initializer. Read more

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Dereferences the given pointer. Read more

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

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The method of std::ops::AddAssign, for types that do not implement AddAssign.

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where U: TryFrom<T>,

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