Enum ExtensionChange 

pub enum ExtensionChange {
    Create(Extension),
    Drop(Identifier),
    AlterUpdate {
        name: Identifier,
        to_version: String,
    },
    ReplaceWithCascade(Extension),
    CommentOn {
        name: Identifier,
        comment: Option<String>,
    },
}

Change to one extension. Pair-by-name semantics.

Variants

Create(Extension)

Install a new extension.

Drop(Identifier)

Drop an extension by name. Emits DROP EXTENSION ... CASCADE.

AlterUpdate

Bump extension version: ALTER EXTENSION ... UPDATE TO 'v'.

Fields

name: Identifier

Extension name.

to_version: String

New version to update to.

ReplaceWithCascade(Extension)

Schema-changing replace (DROP CASCADE + CREATE).

CommentOn

Change the COMMENT ON EXTENSION text.

Fields

name: Identifier

Extension name.

comment: Option<String>

New comment value (None clears the comment).

Trait Implementations

impl Clone for ExtensionChange

fn clone(&self) -> ExtensionChange

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExtensionChange

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExtensionChange

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ExtensionChange

impl PartialEq for ExtensionChange

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

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

impl Serialize for ExtensionChange

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ExtensionChange