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AlterOperation

hematite::parser::ast

Enum AlterOperation

pub enum AlterOperation {
    RenameTo(String),
    RenameColumn {
        old_name: String,
        new_name: String,
    },
    AddColumn(ColumnDefinition),
    AddConstraint(TableConstraint),
    DropColumn(String),
    DropConstraint(String),
    AlterColumnSetDefault {
        column_name: String,
        default_value: LiteralValue,
    },
    AlterColumnDropDefault {
        column_name: String,
    },
    AlterColumnSetNotNull {
        column_name: String,
    },
    AlterColumnDropNotNull {
        column_name: String,
    },
}

Variants§

RenameTo(String)

RenameColumn

Fields

§old_name: String

§new_name: String

AddColumn(ColumnDefinition)

AddConstraint(TableConstraint)

DropColumn(String)

DropConstraint(String)

AlterColumnSetDefault

Fields

§column_name: String

§default_value: LiteralValue

AlterColumnDropDefault

Fields

§column_name: String

AlterColumnSetNotNull

Fields

§column_name: String

AlterColumnDropNotNull

Fields

§column_name: String

Trait Implementations§

impl Clone for AlterOperation

fn clone(&self) -> AlterOperation

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

impl Debug for AlterOperation

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for AlterOperation

impl RefUnwindSafe for AlterOperation

impl Send for AlterOperation

impl Sync for AlterOperation

impl Unpin for AlterOperation

impl UnsafeUnpin for AlterOperation

impl UnwindSafe for AlterOperation

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, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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> 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.