Enum TypeAlterOpt

pub enum TypeAlterOpt {
    Add {
        value: DynIden,
        placement: Option<TypeAlterAddOpt>,
        if_not_exists: bool,
    },
    Rename(DynIden),
    RenameValue(DynIden, DynIden),
}

Available on crate feature backend-postgres only.

Variants

Add

Fields

value: DynIden

placement: Option<TypeAlterAddOpt>

if_not_exists: bool

Rename(DynIden)

RenameValue(DynIden, DynIden)

Implementations

impl TypeAlterOpt

pub fn before<T>(self, value: T) -> Self

where T: IntoIden,

Changes only ADD VALUE x options into ADD VALUE x BEFORE options, does nothing otherwise

pub fn after<T>(self, value: T) -> Self

where T: IntoIden,

Changes only ADD VALUE x options into ADD VALUE x AFTER options, does nothing otherwise

pub fn if_not_exists(self) -> Self

Changes only ADD VALUE x options into ADD VALUE IF NOT EXISTS x options, does nothing otherwise

Trait Implementations

impl Clone for TypeAlterOpt

fn clone(&self) -> TypeAlterOpt

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TypeAlterOpt

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

Formats the value using the given formatter.