Enum barrel::TableChange[−][src]

pub enum TableChange {
    AddColumn(String, Type),
    ChangeColumn(String, Type, Rc<dyn Fn(&mut Type)>),
    RenameColumn(String, String),
    DropColumn(String),
    CustomLine(String),
}

Expand description

An enum set that represents a single change on a table

Variants

AddColumn(String, Type)

Add a column of a name and type

Tuple Fields of AddColumn

0: String1: Type

ChangeColumn(String, Type, Rc<dyn Fn(&mut Type)>)

Change an existing column

Tuple Fields of ChangeColumn

0: String1: Type2: Rc<dyn Fn(&mut Type)>

RenameColumn(String, String)

Simply rename a column

Tuple Fields of RenameColumn

0: String1: String

DropColumn(String)

Remove a column

Tuple Fields of DropColumn

0: String

CustomLine(String)

Add some custom SQL if all else fails

Tuple Fields of CustomLine

0: String

Trait Implementations

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impl Clone for TableChange

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fn clone(&self) -> TableChange

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 Debug for TableChange

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl !RefUnwindSafe for TableChange

impl !Send for TableChange

impl !Sync for TableChange

impl Unpin for TableChange

impl !UnwindSafe for TableChange

Blanket Implementations

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

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pub 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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pub 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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pub 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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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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

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

recently added

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum barrel::TableChange[−][src]

Variants

Tuple Fields of AddColumn

Tuple Fields of ChangeColumn

Tuple Fields of RenameColumn

Tuple Fields of DropColumn

Tuple Fields of CustomLine

Trait Implementations

impl Clone for TableChange

fn clone(&self) -> TableChange

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

impl Debug for TableChange

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

Auto Trait Implementations

impl !RefUnwindSafe for TableChange

impl !Send for TableChange

impl !Sync for TableChange

impl Unpin for TableChange

impl !UnwindSafe for TableChange

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

Enum barrel::TableChange[−][src]

Variants

Tuple Fields of AddColumn

Tuple Fields of ChangeColumn

Tuple Fields of RenameColumn

Tuple Fields of DropColumn

Tuple Fields of CustomLine

Trait Implementations

impl Clone for TableChange

fn clone(&self) -> TableChange

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

impl Debug for TableChange

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

Auto Trait Implementations

impl !RefUnwindSafe for TableChange

impl !Send for TableChange

impl !Sync for TableChange

impl Unpin for TableChange

impl !UnwindSafe for TableChange

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

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

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

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

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

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

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