湖北快3APP下载—官方网址22270.COM_娴峰崡蹇笁鐮磋В鍣╝pp鈥斿畼鏂圭綉鍧22270.COM浠g爜缃戠珯鐢ㄦ埛绉佷俊鍒楄〃閲囩敤mysql union鏌ヨ浼樺寲涓篟edis鏌ヨ鐨勭粡楠屽拰鐩稿叧浠g爜鐗囨鍒嗕韩
鐢变簬鐢ㄦ埛鍜岀淇$殑鏁版嵁閲忛愭笎澧炲姞锛屾煡璇㈢敤鎴峰拰鍏朵粬鐢ㄦ埛鐨勭淇″悎骞舵帓閲嶆帓搴忕殑sql璇硶缁檓ysql甯︽潵浜嗗緢澶х殑鍘嬪姏锛宻pringdata jpa鐨刪ql鏌ヨ璇硶濡備笅锛
select id from (select id,target_id,case when user_id=?1 and type=?2 then 'sender' else 'receiver' end flag from javaniu_post where user_id=?1 and type=?2 union select id,user_id,case when user_id=?1 then 'sender' else 'receiver' end flag from javaniu_post where target_id=?1 and type=?2 order by id desc) as ret group by target_id order by id desc
鍦╩ysql鐨剆low鏌ヨ涓粡甯镐細鍑虹幇10s浠ヤ笂鐨勮褰曪細
mysql鏌ヨ鎬ц兘鐨勭摱棰堝湪浜庢煇涓敤鎴峰拰鍏朵粬鐢ㄦ埛涔嬮棿浜や簰瓒婂锛屽彂閫佺淇¤秺澶氾紝mysql union鏌ヨ鍙備笌杩愮畻鐨勯泦鍚堟暟鎹噺浼氳秺澶э紝鎬ц兘涔熶細瓒婃潵瓒婁綆銆
鏁版嵁鍙樺寲濡備笅:
1.鐢ㄦ埛A鍙戠粰鐢ㄦ埛B鐢熸垚绉佷俊1
鐢ㄦ埛A->鐢ㄦ埛B->绉佷俊1
2.鐢ㄦ埛A鍙戠粰鐢ㄦ埛C鐢熸垚绉佷俊2
鐢ㄦ埛A->鐢ㄦ埛C->绉佷俊2
3.鐢ㄦ埛A鍙戠粰鐢ㄦ埛E鐢熸垚绉佷俊3
鐢ㄦ埛A->鐢ㄦ埛E->绉佷俊3
4.鏌ヨ鐢ㄦ埛A鐨勭淇″垪琛
绉佷俊3,绉佷俊2锛岀淇1
5.鐢ㄦ埛B鍙戠粰鐢ㄦ埛A鐢熸垚绉佷俊4
鐢ㄦ埛B->鐢ㄦ埛A->绉佷俊4
6.鏌ヨ鐢ㄦ埛A鐨勭淇″垪琛
绉佷俊4,绉佷俊3锛岀淇2
绉佷俊1鍥犱负鏈壓笨3APP下载—官方网址22270.COM_娴峰崡蹇笁鐮磋В鍣╝pp鈥斿畼鏂圭綉鍧22270.COM鏂版暟鎹淇4鐨勫瓨鍦紝鎵浠ヤ笉浼氳繑鍥炪
鎵浠ヨ揩鍒囬渶瑕佸紩鍏ユ柊鐨勬妧鏈潵瑙e喅璇ユ煡璇㈢殑鎬ц兘鐡堕锛屾兂鍒颁簡娴佽鐨剅edis鎶鏈紝浜庢槸淇敼璁捐濡備笅锛
妯℃嫙鍙戠淇$殑鏁版嵁缁撴瀯濡備笅
127.0.0.1:6379> zadd uid1 1 2 (integer) 1 127.0.0.1:6379> zadd uid1 2 3 (integer) 1 127.0.0.1:6379> zadd uid1 3 5 (integer) 1 127.0.0.1:6379> zrevrange uid1 0 -1 1) "5" 2) "3" 3) "2" 127.0.0.1:6379> zrevrange uid1 0 -1 withscores 1) "5" 2) "3" 3) "3" 4) "2" 5) "2" 6) "1" 127.0.0.1:6379> zadd uid1 4 2 (integer) 0 127.0.0.1:6379> zrevrange uid1 0 -1 withscores 1) "2" 2) "4" 3) "5" 4) "3" 5) "3" 6) "2" 127.0.0.1:6379>
娉ㄦ剰锛氭妸绉佷俊id鍋氫负score鏉ュ仛鎺掑簭
鐩稿叧浠g爜鐗囨濡備笅锛
鍒犻櫎鎴栨坊鍔犵淇℃椂锛
String uid = t.getUserId() + ""; String type = ModuleConstants.POST_TYPE_MESSAGE + ""; String tgid = t.getTargetId() + ""; long id = t.getId(); long time = t.getCreateTime().getTime(); String po_uid_tp_tgid = String.format( RedisConstants.POST_USERID_TYPE_TARGETID, uid, type, tgid); // from uid String po_uid_tp = String.format(RedisConstants.POST_USERID_TYPE, uid, type); // to uid String po_tgid_tp = String.format(RedisConstants.POST_USERID_TYPE, tgid, type); if (t.getStatus() == ModuleConstants.MODULE_STATUS_DELETED) {// 鍒犻櫎绉佷俊鍚屾椂瑕佸垹闄edis zsetOps.remove(po_uid_tp_tgid, id + ""); zsetOps.remove(po_uid_tp, tgid); zsetOps.remove(po_tgid_tp, uid); } else { zsetOps.add(po_uid_tp_tgid, id + "", time); zsetOps.add(po_uid_tp, tgid, id); zsetOps.add(po_tgid_tp, uid, id); }
鏌ヨ鐢ㄦ埛鐨勭淇℃椂锛
String uid = userId + ""; String tp = ModuleConstants.POST_TYPE_MESSAGE + ""; String po_uid_tp = String.format(RedisConstants.POST_USERID_TYPE, uid, tp); int total = zsetOps.zCard(po_uid_tp).intValue(); int ps = total / count + (total % count > 0 ? 1 : 0); if (page > ps) { page = ps; } int start = (page - 1) * count; int end = page * count - 1; Set<TypedTuple<String>> _ids = zsetOps.reverseRangeWithScores( po_uid_tp, start, end); List<Long> ids = new ArrayList<Long>(); Iterator<TypedTuple<String>> iterator = _ids.iterator(); while (iterator.hasNext()) { TypedTuple<String> _id = iterator.next(); long id = _id.getScore().longValue(); ids.add(id); } List<Post> ts = (List<Post>) findAllByIds(ids); Pageable pageable = new PageRequest(page - 1, count); Page<Post> _page = new PageImpl<Post>(ts, pageable, total); initBeans(_page.getContent());
redis鏌ヨ湖北快3APP下载—官方网址22270.COM_娴峰崡蹇笁鐮磋В鍣╝pp鈥斿畼鏂圭綉鍧22270.COM浠g爜瀹樻柟锛宨d=1鐨勬墍鏈夌淇″垪琛紝鍜宮ysql union杩愮畻鐨勭粨鏋滃畬鍏ㄤ竴鑷达紝浣嗘槸鎬ц兘鍙槸澶╁¥涔嬪埆锛
鐩稿叧璧勬枡鍜屼唬鐮侊細
mysql sql鏌ヨ濡備綍瀹炵幇鍙戠淇$敤鎴峰拰鍏朵粬鐢ㄦ埛鐨勫垪琛紵瑕佹眰娑堥噸鎵鏈夐噸澶嶇殑鐢ㄦ埛缁撴灉
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