Struct IndexKeyPart 

pub struct IndexKeyPart {
    pub expression: Box<Expression>,
    pub prefix_length: Option<String>,
    pub desc: bool,
    pub asc: bool,
    pub nulls_first: Option<bool>,
    pub opclass: Option<String>,
}

An expression-capable index key part.

Fields

expression: Box<Expression>

prefix_length: Option<String>

MySQL column prefix length, for example the 16 in name(16).

desc: bool

asc: bool

Explicit ASC keyword was present.

nulls_first: Option<bool>

opclass: Option<String>

PostgreSQL operator class (e.g., varchar_pattern_ops, public.gin_trgm_ops).

Trait Implementations

impl Clone for IndexKeyPart

fn clone(&self) -> IndexKeyPart

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IndexKeyPart

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for IndexKeyPart

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for IndexKeyPart

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for IndexKeyPart

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for IndexKeyPart