SchemaOperation

Enum SchemaOperation 

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pub enum SchemaOperation {
    CreateTable(TableSchema),
    DropTable(String),
    RenameTable {
        from: String,
        to: String,
    },
    AddColumn {
        table: String,
        column: ColumnSchema,
    },
    DropColumn {
        table: String,
        column: String,
    },
    RenameColumn {
        table: String,
        from: String,
        to: String,
    },
    AlterColumn {
        table: String,
        column: String,
        changes: ColumnChanges,
    },
    CreateIndex {
        table: String,
        index: IndexSchema,
    },
    DropIndex {
        table: String,
        name: String,
    },
    AddForeignKey {
        table: String,
        foreign_key: ForeignKeySchema,
    },
    DropForeignKey {
        table: String,
        name: String,
    },
}
Expand description

Operations that can be performed on a database schema

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CreateTable(TableSchema)

Create a new table

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DropTable(String)

Drop a table

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RenameTable

Rename a table

Fields

§from: String
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AddColumn

Add a column to a table

Fields

§table: String
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DropColumn

Drop a column from a table

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§table: String
§column: String
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RenameColumn

Rename a column

Fields

§table: String
§from: String
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AlterColumn

Alter a column (type, nullable, default, etc.)

Fields

§table: String
§column: String
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CreateIndex

Create an index

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§table: String
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DropIndex

Drop an index

Fields

§table: String
§name: String
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AddForeignKey

Add a foreign key constraint

Fields

§table: String
§foreign_key: ForeignKeySchema
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DropForeignKey

Drop a foreign key constraint

Fields

§table: String
§name: String

Trait Implementations§

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impl Clone for SchemaOperation

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fn clone(&self) -> SchemaOperation

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 SchemaOperation

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

Formats the value using the given formatter. Read more
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impl PartialEq for SchemaOperation

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fn eq(&self, other: &SchemaOperation) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for SchemaOperation

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impl StructuralPartialEq for SchemaOperation

Auto Trait Implementations§

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.