code: function (hash, /*args**/opts) {
          var args = argsToArray(arguments, 1);
          return CaseExpression.fromArgs([hashToArray(hash)].concat(args));
      }
docs: Returns a {@link patio.sql.CaseExpression}. See {@link patio.sql.CaseExpression} for argument types.
  
  @example
  
  sql["case"]({a:sql.b}, sql.c, sql.d); //=> (CASE t.d WHEN t.a THEN t.b ELSE t.c END)