Long precision = (Long)obj.get(PRECISION);
Long scale = (Long)obj.get(SCALE);
Boolean unsigned = (Boolean)obj.get(UNSIGNED);
Long jdbcType = (Long)obj.get(JDBC_TYPE);
Type type = Type.valueOf((String) obj.get(TYPE));
Column output = null;
switch (type) {
case ARRAY:
output = new Array(key);
break;