Struct UnaryOp 

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

Fields

op: UnaryOpType

arg: V

Trait Implementations

impl<V: Debug + Expression> Debug for UnaryOp<V>

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

Formats the value using the given formatter.

impl<E: Expression> Expression for UnaryOp<E>

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

Generates the SQL representation of this expression.

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

Traverses the expression with a visitor.

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

Renders the expression as a string suitable for use as an identifier.

impl<E: Expression> OpPrecedence for UnaryOp<E>

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

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