Type Alias sql_schema_describer::walkers::DefaultValueWalker

pub type DefaultValueWalker<'a> = Walker<'a, Either<TableDefaultValueId, ViewDefaultValueId>>;

Traverse default value.

Aliased Type

struct DefaultValueWalker<'a> {
    pub id: Either<TableDefaultValueId, ViewDefaultValueId>,
    pub schema: &'a SqlSchema,
}

Fields

id: Either<TableDefaultValueId, ViewDefaultValueId>

The identifier.

schema: &'a SqlSchema

The schema for which the identifier is valid.

Implementations

impl<'a> DefaultValueWalker<'a>

pub fn refine( self ) -> Either<TableDefaultValueWalker<'a>, ViewDefaultValueWalker<'a>>

Refines the walker to either as a table or as a view column default.

pub fn as_value(self) -> Option<&'a PrismaValue>

Return a value if a constant.

pub fn as_sequence(self) -> Option<&'a str>

If the value is a squence, return it

pub fn is_value(&self) -> bool

True if a constant value

pub fn is_now(&self) -> bool

True if now()

pub fn is_sequence(&self) -> bool

True if referencing a sequence

pub fn is_db_generated(&self) -> bool

True if value generation is handled in the database

pub fn kind(self) -> &'a DefaultKind

The value kind enumerator

pub fn constraint_name(self) -> Option<&'a str>

The name of the default value constraint.

pub fn value(self) -> &'a DefaultValue

The default value data