Struct IndexMetadata 

pub struct IndexMetadata { /* private fields */ }

Index metadata.

Implementations

impl IndexMetadata

pub const fn new(reference: IndexRef) -> Self

Creates index metadata.

pub const fn with_kind(self, kind: IndexKind) -> Self

Sets the index kind.

pub fn with_columns(self, columns: Vec<IndexColumn>) -> Self

Sets indexed columns.

pub const fn with_uniqueness(self, uniqueness: IndexUniqueness) -> Self

Sets uniqueness metadata.

pub const fn reference(&self) -> &IndexRef

Returns the index reference.

pub fn columns(&self) -> &[IndexColumn]

Returns indexed columns.

pub const fn uniqueness(&self) -> IndexUniqueness

Returns uniqueness metadata.

Trait Implementations

impl Clone for IndexMetadata

fn clone(&self) -> IndexMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IndexMetadata

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

Formats the value using the given formatter.

impl PartialEq for IndexMetadata

fn eq(&self, other: &IndexMetadata) -> 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 Eq for IndexMetadata

impl StructuralPartialEq for IndexMetadata