Struct Enum 

pub struct Enum {
    pub schema: Cow<'static, str>,
    pub name: Cow<'static, str>,
    pub values: Cow<'static, [Cow<'static, str>]>,
}

An enum, as stored in migration snapshots.

Fields

schema: Cow<'static, str>

Schema name

name: Cow<'static, str>

Enum name

values: Cow<'static, [Cow<'static, str>]>

Enum values

Implementations

impl Enum

pub fn new( schema: impl Into<Cow<'static, str>>, name: impl Into<Cow<'static, str>>, values: impl Into<Cow<'static, [Cow<'static, str>]>>, ) -> Self

Creates an enum.

pub fn from_strings(schema: String, name: String, values: Vec<String>) -> Self

Creates an enum from owned strings.

pub fn schema(&self) -> &str

Returns the schema name.

pub fn name(&self) -> &str

Returns the enum name.

impl Enum

pub fn create_enum_sql(&self) -> String

Renders CREATE TYPE ... AS ENUM (...);.

pub fn drop_enum_sql(&self) -> String

Renders DROP TYPE ...;.

pub fn add_value_sql(&self, value: &str, before: Option<&str>) -> String

Renders ALTER TYPE ... ADD VALUE 'value' [BEFORE 'before'];.

Trait Implementations

impl Clone for Enum

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Enum

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

Formats the value using the given formatter.

impl Default for Enum

fn default() -> Self

Returns the “default value” for a type.

impl Eq for Enum

impl From<EnumDef> for Enum

fn from(def: EnumDef) -> Self

Converts to this type from the input type.

impl PartialEq for Enum

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Enum