docs: public List<Post> selectPosts(final Collection<Long> postIds, final boolean withResolve) throws SQLException {
        if(postIds == null || postIds.size() == 0) {
           return ImmutableList.of();
        }
        Map<Long, Post> postMap = selectPostMap(postIds, withResolve);
        List<Post> posts = Lists.newArrayListWithExpectedSize(postMap.size());
        for(long id : postIds) {
           Post post = postMap.get(id);
           if(post != null) {
              posts.add(post);
           }
        }
        return posts;
     }