Method clone

src/sql/src/session/vars/constraints.rs:66–72

(&self)

impl Clone for ValueConstraint {
    fn clone(&self) -> Self {
        match self {
            ValueConstraint::Fixed => ValueConstraint::Fixed,
            ValueConstraint::ReadOnly => ValueConstraint::ReadOnly,
            ValueConstraint::Domain(c) => ValueConstraint::Domain(*c),
        }
    }
}

/// A type erased version of [`DomainConstraint`] that we can reference on a [`VarDefinition`].