Struct PrimaryKeyDef 

pub struct PrimaryKeyDef {
    pub table: &'static str,
    pub name: &'static str,
    pub columns: &'static [Cow<'static, str>],
    pub name_explicit: bool,
}

Const-friendly primary key definition

Used for composite primary keys (single-column PKs are defined on the column itself).

Examples

use drizzle_types::sqlite::ddl::PrimaryKeyDef;
use std::borrow::Cow;

const COLS: &[Cow<'static, str>] = &[Cow::Borrowed("user_id"), Cow::Borrowed("role_id")];
const PK: PrimaryKeyDef = PrimaryKeyDef::new("user_roles", "pk_user_roles")
    .columns(COLS);

Fields

table: &'static str

Parent table name

name: &'static str

Constraint name

columns: &'static [Cow<'static, str>]

Columns in the primary key

name_explicit: bool

Whether the constraint name was explicitly specified

Implementations

impl PrimaryKeyDef

pub const fn new(table: &'static str, name: &'static str) -> Self

Create a new primary key definition

pub const fn columns(self, cols: &'static [Cow<'static, str>]) -> Self

Set the columns in the primary key

pub const fn explicit_name(self) -> Self

Mark the name as explicitly specified

pub const fn into_primary_key(self) -> PrimaryKey

Convert to runtime PrimaryKey type

Trait Implementations

impl Clone for PrimaryKeyDef

fn clone(&self) -> PrimaryKeyDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PrimaryKeyDef

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

Formats the value using the given formatter.

impl Default for PrimaryKeyDef

fn default() -> Self

Returns the “default value” for a type.

impl From<PrimaryKeyDef> for PrimaryKey

fn from(def: PrimaryKeyDef) -> Self

Converts to this type from the input type.

impl Hash for PrimaryKeyDef

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for PrimaryKeyDef

fn eq(&self, other: &PrimaryKeyDef) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for PrimaryKeyDef

impl Eq for PrimaryKeyDef

impl StructuralPartialEq for PrimaryKeyDef