Enum PlaceholderStyle 

pub enum PlaceholderStyle {
    Colon,
    QuestionMark,
    Percent,
}

The placeholder syntax used by the source. Selected via configuration; when unset, no templating runs.

Variants

Colon

:name or :1 (psql / many ORMs). :: casts are left alone.

QuestionMark

? positional (JDBC/ODBC). Note: clashes with Postgres JSONB ?.

Percent

%s and %(name)s (Python DB-API).

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 Copy for PlaceholderStyle

impl Debug for PlaceholderStyle

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PlaceholderStyle

fn deserialize<__D>( __deserializer: __D, ) -> Result<PlaceholderStyle, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for PlaceholderStyle

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 Serialize for PlaceholderStyle

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PlaceholderStyle