Enum PlaceholderStyle 

pub enum PlaceholderStyle {
    Colon,
    AtSign,
    Dollar,
    Positional,
}

Various styles of SQL parameter placeholders.

Variants

Colon

Colon style placeholders (:param)

AtSign

At-sign style placeholders (@param)

Dollar

Dollar style placeholders ($param)

Positional

Trait Implementations

impl Clone for PlaceholderStyle

fn clone(&self) -> PlaceholderStyle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PlaceholderStyle

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

Formats the value using the given formatter.

impl Default for PlaceholderStyle

fn default() -> PlaceholderStyle

Returns the “default value” for a type.

impl Hash for PlaceholderStyle

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 PlaceholderStyle

fn eq(&self, other: &PlaceholderStyle) -> 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 PlaceholderStyle

impl Eq for PlaceholderStyle

impl StructuralPartialEq for PlaceholderStyle