public static StringExpression rpad(Expression<String> in, Expression<Integer> length) {
        return Expressions.stringOperation(Ops.StringOps.RPAD, in, length);
    }
Create a {@code rpad(in, length)} expression

<p>Returns in right-padded to length characters</p>

@param in string to be padded
@param length target length
@return rpad(in, length)
querydsl-core/src/main/java/com/querydsl/core/types/dsl/StringExpressions.java