Function plan_op

src/sql/src/plan/query.rs:5415–5427

(
    ecx: &ExprContext,
    op: &str,
    expr1: &Expr<Aug>,
    expr2: Option<&Expr<Aug>>,
)

}

fn plan_op(
    ecx: &ExprContext,
    op: &str,
    expr1: &Expr<Aug>,
    expr2: Option<&Expr<Aug>>,
) -> Result<HirScalarExpr, PlanError> {
    let impls = func::resolve_op(op)?;
    let args = match expr2 {
        None => plan_exprs(ecx, &[expr1])?,
        Some(expr2) => plan_exprs(ecx, &[expr1, expr2])?,
    };
    func::select_impl(ecx, FuncSpec::Op(op), impls, args, vec![])
}

fn plan_function<'a>(
    ecx: &ExprContext,