AlterOp

Enum AlterOp 

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pub enum AlterOp {
Show 13 variants AddColumn(Column), DropColumn { name: String, cascade: bool, }, RenameColumn { from: String, to: String, }, AlterType { column: String, new_type: ColumnType, using: Option<String>, }, SetNotNull(String), DropNotNull(String), SetDefault { column: String, expr: String, }, DropDefault(String), AddConstraint { name: String, constraint: TableConstraint, }, DropConstraint { name: String, cascade: bool, }, RenameTable(String), SetSchema(String), SetRowLevelSecurity(bool),
}
Expand description

ALTER TABLE operation

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AddColumn(Column)

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DropColumn

DROP COLUMN

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§name: String
§cascade: bool
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RenameColumn

RENAME COLUMN old TO new

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§from: String
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AlterType

ALTER COLUMN SET DATA TYPE

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§column: String
§new_type: ColumnType
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SetNotNull(String)

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DropNotNull(String)

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SetDefault

ALTER COLUMN SET DEFAULT

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§column: String
§expr: String
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DropDefault(String)

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AddConstraint

ADD CONSTRAINT

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§name: String
§constraint: TableConstraint
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DropConstraint

DROP CONSTRAINT

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§name: String
§cascade: bool
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RenameTable(String)

RENAME TO

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SetSchema(String)

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SetRowLevelSecurity(bool)

ENABLE/DISABLE ROW LEVEL SECURITY

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impl Clone for AlterOp

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fn clone(&self) -> AlterOp

Returns a duplicate 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 AlterOp

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

Formats the value using the given formatter. Read more

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Blanket Implementations§

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

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.