Struct UnaryOp 

pub struct UnaryOp<V>
where
    V: Expression,
{
    pub op: UnaryOpType,
    pub arg: V,
}

Fields

op: UnaryOpType

arg: V

Trait Implementations

impl<V> Debug for UnaryOp<V>

where V: Debug + Expression,

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

Formats the value using the given formatter.

impl<E> Expression for UnaryOp<E>

where E: Expression,

fn write_query( &self, writer: &dyn SqlWriter, context: &mut Context, out: &mut DynQuery, )

Render the expression into SQL.

fn accept_visitor( &self, matcher: &mut dyn ExpressionVisitor, writer: &dyn SqlWriter, context: &mut Context, out: &mut DynQuery, ) -> bool

Match the expression.

fn as_identifier(&self, context: &mut Context) -> String

Convert expression to an identifier string.

impl<E> OpPrecedence for UnaryOp<E>

where E: Expression,

fn precedence(&self, writer: &dyn SqlWriter) -> i32

Lower numbers bind weaker, writers parenthesize when child precedence <= operator precedence.