Enum ColumnKey

pub enum ColumnKey {
    NotKey,
    Primary,
    Unique,
    Multiple,
}

Available on crate features mysql and def only.

Variants

NotKey

This column is not the first column of any key

Primary

This column is part of the primary key

Unique

This column is the first column of a unique key

Multiple

This column is the first column of a non-unique key

Trait Implementations

impl Clone for ColumnKey

fn clone(&self) -> ColumnKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnKey

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

Formats the value using the given formatter.

impl PartialEq for ColumnKey

fn eq(&self, other: &ColumnKey) -> 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 StructuralPartialEq for ColumnKey