Enum AlterTableOperation

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pub enum AlterTableOperation<'until_build, 'post_build> {
    RenameTo {
        name: String,
    },
    RenameColumnTo {
        column_name: String,
        new_column_name: String,
    },
    AddColumn {
        operation: CreateColumnImpl<'until_build, 'post_build>,
    },
    DropColumn {
        name: String,
    },
}
Expand description

Representation of operations to execute in the context of an ALTER TABLE statement.

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RenameTo

Use this operation to rename a table

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§name: String

New name of the table

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RenameColumnTo

Use this operation to rename a column within a table

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§column_name: String

Current column name

§new_column_name: String

New column name

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AddColumn

Use this operation to add a column to an existing table.

Fields

§operation: CreateColumnImpl<'until_build, 'post_build>

Operation to use for adding the column

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DropColumn

Use this operation to drop an existing column.

Fields

§name: String

Name of the column to drop

Trait Implementations§

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impl<'until_build, 'post_build> Debug for AlterTableOperation<'until_build, 'post_build>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'until_build, 'post_build> Freeze for AlterTableOperation<'until_build, 'post_build>

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impl<'until_build, 'post_build> RefUnwindSafe for AlterTableOperation<'until_build, 'post_build>

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impl<'until_build, 'post_build> Send for AlterTableOperation<'until_build, 'post_build>

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impl<'until_build, 'post_build> Sync for AlterTableOperation<'until_build, 'post_build>

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impl<'until_build, 'post_build> Unpin for AlterTableOperation<'until_build, 'post_build>

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impl<'until_build, 'post_build> !UnwindSafe for AlterTableOperation<'until_build, 'post_build>

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> 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, 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.