Method mapToString

src/org/apache/pig/data/DataType.java:1605–1624

Given a map, turn it into a String. @param m map @return string representation of the map

(Map<String, Object> m)

     * @return string representation of the map
     */
    public static String mapToString(Map<String, Object> m) {
        boolean hasNext = false;
        StringBuilder sb = new StringBuilder();
        sb.append("[");
        for(Map.Entry<String, Object> e: m.entrySet()) {
            if(hasNext) {
                sb.append(",");
            } else {
                hasNext = true;
            }
            sb.append(e.getKey());
            sb.append("#");
            Object val = e.getValue();
            if(val != null) {
                sb.append(val.toString());
            }
        }
        sb.append("]");
        return sb.toString();
    }

    /**
     * Test whether two byte arrays (Java byte arrays not Pig byte arrays) are