Struct query_structure::walkers::DefaultValueWalker

pub struct DefaultValueWalker<'db> { /* private fields */ }

An @default() attribute on a field.

Implementations

impl<'db> DefaultValueWalker<'db>

pub fn ast_attribute(self) -> &'db Attribute

The AST node of the attribute.

pub fn value(self) -> &'db Expression

The value expression in the @default attribute.

score Int @default(0)
                   ^

pub fn is_autoincrement(self) -> bool

Is this an @default(autoincrement())?

pub fn is_cuid(self) -> bool

Is this an @default(cuid())?

pub fn is_nanoid(self) -> bool

Is this an @default(nanoid())?

pub fn is_dbgenerated(self) -> bool

Is this an @default(dbgenerated())?

pub fn is_auto(self) -> bool

Is this an @default(auto())?

pub fn is_now(self) -> bool

Is this an @default(now())?

pub fn is_sequence(self) -> bool

Is this an @default(sequence())?

pub fn is_uuid(self) -> bool

Is this an @default(uuid())?

pub fn mapped_name(self) -> Option<&'db str>

The mapped name of the default value. Not applicable to all connectors. See crate docs for details on mapped names.

name String @default("george", map: "name_default_to_george")
                                    ^^^^^^^^^^^^^^^^^^^^^^^^

pub fn field(self) -> Walker<'db, ScalarFieldId>

The field carrying the default attribute.

name String @default("george")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Trait Implementations

impl<'db> Clone for DefaultValueWalker<'db>

fn clone(&self) -> DefaultValueWalker<'db>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'db> DefaultValueExt<'db> for DefaultValueWalker<'db>

fn constraint_name(self, connector: &dyn Connector) -> Cow<'db, str>

impl<'db> Copy for DefaultValueWalker<'db>