Method kind

crates/primitives/src/attr.rs:127–139

Returns the [ColumnAttribute] of constraints as an enum variant. NOTE: This represent the higher possible representation of a constraints, so for example `IDENTITY` imply that is `INDEXED, UNIQUE`

(&self)

    /// NOTE: This represent the higher possible representation of a constraints, so for example
    /// `IDENTITY` imply that is `INDEXED, UNIQUE`
    pub fn kind(&self) -> AttributeKind {
        match *self {
            x if x == Self::UNSET => AttributeKind::UNSET,
            x if x == Self::INDEXED => AttributeKind::INDEXED,
            x if x == Self::UNIQUE => AttributeKind::UNIQUE,
            x if x == Self::AUTO_INC => AttributeKind::AUTO_INC,
            x if x == Self::IDENTITY => AttributeKind::IDENTITY,
            x if x == Self::PRIMARY_KEY => AttributeKind::PRIMARY_KEY,
            x if x == Self::PRIMARY_KEY_AUTO => AttributeKind::PRIMARY_KEY_AUTO,
            x if x == Self::PRIMARY_KEY_IDENTITY => AttributeKind::PRIMARY_KEY_IDENTITY,
            x => unreachable!("Unexpected value {x:?}"),
        }
    }
}

/// Represents constraints for a database table. May apply to multiple columns.