{"id":277,"date":"2014-08-26T13:51:12","date_gmt":"2014-08-26T13:51:12","guid":{"rendered":"http:\/\/blog.yyhcw.com\/post\/277.html"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T07:54:17","slug":"redis-cmd","status":"publish","type":"post","link":"http:\/\/blog.yyhcw.com\/post\/277.html","title":{"rendered":"redis \u547d\u4ee4\u884c \u64cd\u4f5c"},"content":{"rendered":"

redis\u76ee\u524d\u63d0\u4f9b\u56db\u79cd\u6570\u636e\u7c7b\u578b\uff1astring,list,set\u53cazset(sorted set)\u3002
* string\u662f\u6700\u7b80\u5355\u7684\u7c7b\u578b\uff0c\u4f60\u53ef\u4ee5\u7406\u89e3\u6210\u4e0eMemcached\u4e00\u6a21\u4e00\u4e2a\u7684\u7c7b\u578b\uff0c\u4e00\u4e2akey\u5bf9\u5e94\u4e00\u4e2avalue\uff0c\u5176\u4e0a\u652f\u6301\u7684\u64cd\u4f5c\u4e0eMemcached\u7684\u64cd\u4f5c\u7c7b\u4f3c\u3002\u4f46\u5b83\u7684\u529f\u80fd\u66f4\u4e30\u5bcc\u3002
* list\u662f\u4e00\u4e2a\u94fe\u8868\u7ed3\u6784\uff0c\u4e3b\u8981\u529f\u80fd\u662fpush\u3001pop\u3001\u83b7\u53d6\u4e00\u4e2a\u8303\u56f4\u7684\u6240\u6709\u503c\u7b49\u7b49\u3002\u64cd\u4f5c\u4e2dkey\u7406\u89e3\u4e3a\u94fe\u8868\u7684\u540d\u5b57\u3002
* set\u662f\u96c6\u5408\uff0c\u548c\u6211\u4eec\u6570\u5b66\u4e2d\u7684\u96c6\u5408\u6982\u5ff5\u76f8\u4f3c\uff0c\u5bf9\u96c6\u5408\u7684\u64cd\u4f5c\u6709\u6dfb\u52a0\u5220\u9664\u5143\u7d20\uff0c\u6709\u5bf9\u591a\u4e2a\u96c6\u5408\u6c42\u4ea4\u5e76\u5dee\u7b49\u64cd\u4f5c\u3002\u64cd\u4f5c\u4e2dkey\u7406\u89e3\u4e3a\u96c6\u5408\u7684\u540d\u5b57\u3002
* zset\u662fset\u7684\u4e00\u4e2a\u5347\u7ea7\u7248\u672c\uff0c\u4ed6\u5728set\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u4e2a\u987a\u5e8f\u5c5e\u6027\uff0c\u8fd9\u4e00\u5c5e\u6027\u5728\u6dfb\u52a0\u4fee\u6539\u5143\u7d20\u7684\u65f6\u5019\u53ef\u4ee5\u6307\u5b9a\uff0c\u6bcf\u6b21\u6307\u5b9a\u540e\uff0czset\u4f1a\u81ea\u52a8\u91cd\u65b0\u6309\u65b0\u7684\u503c\u8c03\u6574\u987a\u5e8f\u3002\u53ef\u4ee5\u7406\u89e3\u4e86\u6709\u4e24\u5217\u7684mysql\u8868\uff0c\u4e00\u5217\u5b58value\uff0c\u4e00\u5217\u5b58\u987a\u5e8f\u3002\u64cd\u4f5c\u4e2dkey\u7406\u89e3\u4e3azset\u7684\u540d\u5b57\u3002
\u5176\u4e2dstring\u7c7b\u578b\u8fd8\u5305\u62echash\u7c7b\u578b\u3002<\/p>\n

<\/span>1\uff0c\u9002\u5408\u5168\u4f53\u7c7b\u578b\u7684\u547d\u4ee4<\/strong><\/p>\n

EXISTS key \u5224\u65ad\u4e00\u4e2a\u952e\u662f\u5426\u5b58\u5728;\u5b58\u5728\u8fd4\u56de 1;\u5426\u5219\u8fd4\u56de0;
DEL key \u5220\u9664\u67d0\u4e2akey,\u6216\u662f\u4e00\u7cfb\u5217key;DEL key1 key2 key3 key4
TYPE key \u8fd4\u56de\u67d0\u4e2akey\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b ( none:\u4e0d\u5b58\u5728,string:\u5b57\u7b26,list,set,zset,hash)
KEYS pattern \u8fd4\u56de\u5339\u914d\u7684key\u5217\u8868 (KEYS foo*:\u67e5\u627efoo\u5f00\u5934\u7684keys)
RANDOMKEY \u968f\u673a\u83b7\u5f97\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684key\uff0c\u5982\u679c\u5f53\u524d\u6570\u636e\u5e93\u4e3a\u7a7a\uff0c\u5219\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32
RENAME oldname newname\u66f4\u6539key\u7684\u540d\u5b57\uff0c\u65b0\u952e\u5982\u679c\u5b58\u5728\u5c06\u88ab\u8986\u76d6
RENAMENX oldname newname \u66f4\u6539key\u7684\u540d\u5b57\uff0c\u5982\u679c\u540d\u5b57\u5b58\u5728\u5219\u66f4\u6539\u5931\u8d25
DBSIZE\u8fd4\u56de\u5f53\u524d\u6570\u636e\u5e93\u7684key\u7684\u603b\u6570
EXPIRE\u8bbe\u7f6e\u67d0\u4e2akey\u7684\u8fc7\u671f\u65f6\u95f4\uff08\u79d2\uff09,(EXPIRE bruce 1000\uff1a\u8bbe\u7f6ebruce\u8fd9\u4e2akey1000\u79d2\u540e\u7cfb\u7edf\u81ea\u52a8\u5220\u9664)\u6ce8\u610f\uff1a\u5982\u679c\u5728\u8fd8\u6ca1\u6709\u8fc7\u671f\u7684\u65f6\u5019\uff0c\u5bf9\u503c\u8fdb\u884c\u4e86\u6539\u53d8\uff0c\u90a3\u4e48\u90a3\u4e2a\u503c\u4f1a\u88ab\u6e05\u9664\u3002
TTL\u67e5\u627e\u67d0\u4e2akey\u8fd8\u6709\u591a\u957f\u65f6\u95f4\u8fc7\u671f,\u8fd4\u56de\u65f6\u95f4\u79d2
SELECT index \u9009\u62e9\u6570\u636e\u5e93
MOVE key dbindex \u5c06\u6307\u5b9a\u952e\u4ece\u5f53\u524d\u6570\u636e\u5e93\u79fb\u5230\u76ee\u6807\u6570\u636e\u5e93 dbindex\u3002\u6210\u529f\u8fd4\u56de 1;\u5426\u5219\u8fd4\u56de0\uff08\u6e90\u6570\u636e\u5e93\u4e0d\u5b58\u5728key\u6216\u76ee\u6807\u6570\u636e\u5e93\u5df2\u5b58\u5728\u540c\u540dkey\uff09;
FLUSHDB \u6e05\u7a7a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u952e
FLUSHALL \u6e05\u7a7a\u6240\u6709\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u952e<\/p>\n

2\uff0c\u5904\u7406\u5b57\u7b26\u4e32\u7684\u547d\u4ee4<\/strong><\/p>\n

SET key value \u7ed9\u4e00\u4e2a\u952e\u8bbe\u7f6e\u5b57\u7b26\u4e32\u503c\u3002SET keyname datalength data (SET bruce 10 paitoubing:\u4fdd\u5b58key\u4e3aburce,\u5b57\u7b26\u4e32\u957f\u5ea6\u4e3a10\u7684\u4e00\u4e2a\u5b57\u7b26\u4e32paitoubing\u5230\u6570\u636e\u5e93)\uff0cdata\u6700\u5927\u4e0d\u53ef\u8d85\u8fc71G\u3002
GET key\u83b7\u53d6\u67d0\u4e2akey \u7684value\u503c\u3002\u5982key\u4e0d\u5b58\u5728\uff0c\u5219\u8fd4\u56de\u5b57\u7b26\u4e32\u201dnil\u201d\uff1b\u5982key\u7684\u503c\u4e0d\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5219\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002
GETSET key value\u53ef\u4ee5\u7406\u89e3\u6210\u83b7\u5f97\u7684key\u7684\u503c\u7136\u540eSET\u8fd9\u4e2a\u503c\uff0c\u66f4\u52a0\u65b9\u4fbf\u7684\u64cd\u4f5c (SET bruce 10 paitoubing,\u8fd9\u4e2a\u65f6\u5019\u9700\u8981\u4fee\u6539bruce\u53d8\u62101234567890\u5e76\u83b7\u53d6\u8fd9\u4e2a\u4ee5\u524d\u7684\u6570\u636epaitoubing,GETSET bruce 10 1234567890)
MGET key1 key2 \u2026 keyN \u4e00\u6b21\u6027\u8fd4\u56de\u591a\u4e2a\u952e\u7684\u503c
SETNX key value SETNX\u4e0eSET\u7684\u533a\u522b\u662fSET\u53ef\u4ee5\u521b\u5efa\u4e0e\u66f4\u65b0key\u7684value\uff0c\u800cSETNX\u662f\u5982\u679ckey\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efakey\u4e0evalue\u6570\u636e
MSET key1 value1 key2 value2 \u2026 keyN valueN \u5728\u4e00\u6b21\u539f\u5b50\u64cd\u4f5c\u4e0b\u4e00\u6b21\u6027\u8bbe\u7f6e\u591a\u4e2a\u952e\u548c\u503c
MSETNX key1 value1 key2 value2 \u2026 keyN valueN \u5728\u4e00\u6b21\u539f\u5b50\u64cd\u4f5c\u4e0b\u4e00\u6b21\u6027\u8bbe\u7f6e\u591a\u4e2a\u952e\u548c\u503c\uff08\u76ee\u6807\u952e\u4e0d\u5b58\u5728\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u4ee5\u4e0a\u7684key\u5df2\u5b58\u5728\uff0c\u5219\u5931\u8d25\uff09
INCR key \u81ea\u589e\u952e\u503c
INCRBY key integer \u4ee4\u952e\u503c\u81ea\u589e\u6307\u5b9a\u6570\u503c
DECR key \u81ea\u51cf\u952e\u503c
DECRBY key integer \u4ee4\u952e\u503c\u81ea\u51cf\u6307\u5b9a\u6570\u503c<\/p>\n

3\uff0c\u5904\u7406 lists \u7684\u547d\u4ee4<\/strong><\/p>\n

RPUSH key value \u4ece List \u5c3e\u90e8\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\uff08\u5982\u5e8f\u5217\u4e0d\u5b58\u5728\uff0c\u5219\u5148\u521b\u5efa\uff0c\u5982\u5df2\u5b58\u5728\u540c\u540dKey\u800c\u975e\u5e8f\u5217\uff0c\u5219\u8fd4\u56de\u9519\u8bef\uff09
LPUSH key value \u4ece List \u5934\u90e8\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20
LLEN key \u8fd4\u56de\u4e00\u4e2a List \u7684\u957f\u5ea6
LRANGE key start end\u4ece\u81ea\u5b9a\u7684\u8303\u56f4\u5185\u8fd4\u56de\u5e8f\u5217\u7684\u5143\u7d20 (LRANGE testlist 0 2;\u8fd4\u56de\u5e8f\u5217testlist\u524d0 1 2\u5143\u7d20)
LTRIM key start end\u4fee\u526a\u67d0\u4e2a\u8303\u56f4\u4e4b\u5916\u7684\u6570\u636e (LTRIM testlist 0 2;\u4fdd\u75590 1 2\u5143\u7d20\uff0c\u5176\u4f59\u7684\u5220\u9664)
LINDEX key index\u8fd4\u56de\u67d0\u4e2a\u4f4d\u7f6e\u7684\u5e8f\u5217\u503c(LINDEX testlist 0;\u8fd4\u56de\u5e8f\u5217testlist\u4f4d\u7f6e\u4e3a0\u7684\u5143\u7d20)
LSET key index value\u66f4\u65b0\u67d0\u4e2a\u4f4d\u7f6e\u5143\u7d20\u7684\u503c
LREM key count value \u4ece List \u7684\u5934\u90e8\uff08count\u6b63\u6570\uff09\u6216\u5c3e\u90e8\uff08count\u8d1f\u6570\uff09\u5220\u9664\u4e00\u5b9a\u6570\u91cf\uff08count\uff09\u5339\u914dvalue\u7684\u5143\u7d20\uff0c\u8fd4\u56de\u5220\u9664\u7684\u5143\u7d20\u6570\u91cf\u3002
LPOP key \u5f39\u51fa List \u7684\u7b2c\u4e00\u4e2a\u5143\u7d20
RPOP key \u5f39\u51fa List \u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20
RPOPLPUSH srckey dstkey \u5f39\u51fa _srckey_ \u4e2d\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u538b\u5165 _dstkey_\u5934\u90e8\uff0ckey\u4e0d\u5b58\u5728\u6216\u5e8f\u5217\u4e3a\u7a7a\u5219\u8fd4\u56de\u201dnil\u201d<\/p>\n

4\uff0c\u5904\u7406\u96c6\u5408(sets)\u7684\u547d\u4ee4\uff08\u6709\u7d22\u5f15\u65e0\u5e8f\u5e8f\u5217\uff09<\/strong><\/p>\n

SADD key member\u589e\u52a0\u5143\u7d20\u5230SETS\u5e8f\u5217,\u5982\u679c\u5143\u7d20\uff08membe\uff09\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0\u6210\u529f 1\uff0c\u5426\u5219\u5931\u8d25 0;(SADD testlist 3 \\n one)
SREM key member \u5220\u9664SETS\u5e8f\u5217\u7684\u67d0\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u5143\u7d20\u4e0d\u5b58\u5728\u5219\u5931\u8d250\uff0c\u5426\u5219\u6210\u529f 1(SREM testlist 3 \\N one)
SPOP key \u4ece\u96c6\u5408\u4e2d\u968f\u673a\u5f39\u51fa\u4e00\u4e2a\u6210\u5458
SMOVE srckey dstkey member \u628a\u4e00\u4e2aSETS\u5e8f\u5217\u7684\u67d0\u4e2a\u5143\u7d20\u79fb\u52a8\u5230\u53e6\u5916\u4e00\u4e2aSETS\u5e8f\u5217 (SMOVE testlist test 3\\n two;\u4ece\u5e8f\u5217testlist\u79fb\u52a8\u5143\u7d20two\u5230 test\u4e2d\uff0ctestlist\u4e2d\u5c06\u4e0d\u5b58\u5728two\u5143\u7d20)
SCARD key \u7edf\u8ba1\u67d0\u4e2aSETS\u7684\u5e8f\u5217\u7684\u5143\u7d20\u6570\u91cf
SISMEMBER key member \u83b7\u77e5\u6307\u5b9a\u6210\u5458\u662f\u5426\u5b58\u5728\u4e8e\u96c6\u5408\u4e2d
SINTER key1 key2 \u2026 keyN \u8fd4\u56de key1, key2, \u2026, keyN \u4e2d\u7684\u4ea4\u96c6
SINTERSTORE dstkey key1 key2 \u2026 keyN \u5c06 key1, key2, \u2026, keyN \u4e2d\u7684\u4ea4\u96c6\u5b58\u5165 dstkey
SUNION key1 key2 \u2026 keyN \u8fd4\u56de key1, key2, \u2026, keyN \u7684\u5e76\u96c6
SUNIONSTORE dstkey key1 key2 \u2026 keyN \u5c06 key1, key2, \u2026, keyN \u7684\u5e76\u96c6\u5b58\u5165 dstkey
SDIFF key1 key2 \u2026 keyN \u4f9d\u636e key2, \u2026, keyN \u6c42 key1 \u7684\u5dee\u96c6\u3002\u5b98\u65b9\u4f8b\u5b50\uff1a
key1 = x,a,b,c
key2 = c
key3 = a,d
SDIFF key1,key2,key3 => x,b
SDIFFSTORE dstkey key1 key2 \u2026 keyN \u4f9d\u636e key2, \u2026, keyN \u6c42 key1 \u7684\u5dee\u96c6\u5e76\u5b58\u5165 dstkey
SMEMBERS key \u8fd4\u56de\u67d0\u4e2a\u5e8f\u5217\u7684\u6240\u6709\u5143\u7d20
SRANDMEMBER key \u968f\u673a\u8fd4\u56de\u67d0\u4e2a\u5e8f\u5217\u7684\u5143\u7d20<\/p>\n

5\uff0c\u5904\u7406\u6709\u5e8f\u96c6\u5408(sorted sets)\u7684\u547d\u4ee4 (zsets)<\/strong><\/p>\n

ZADD key score member \u6dfb\u52a0\u6307\u5b9a\u6210\u5458\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u5982\u679c\u76ee\u6807\u5b58\u5728\u5219\u66f4\u65b0score\uff08\u5206\u503c\uff0c\u6392\u5e8f\u7528\uff09
ZREM key member \u4ece\u6709\u5e8f\u96c6\u5408\u5220\u9664\u6307\u5b9a\u6210\u5458
ZINCRBY key increment member \u5982\u679c\u6210\u5458\u5b58\u5728\u5219\u5c06\u5176\u589e\u52a0_increment_\uff0c\u5426\u5219\u5c06\u8bbe\u7f6e\u4e00\u4e2ascore\u4e3a_increment_\u7684\u6210\u5458
ZRANGE key start end \u8fd4\u56de\u5347\u5e8f\u6392\u5e8f\u540e\u7684\u6307\u5b9a\u8303\u56f4\u7684\u6210\u5458
ZREVRANGE key start end \u8fd4\u56de\u964d\u5e8f\u6392\u5e8f\u540e\u7684\u6307\u5b9a\u8303\u56f4\u7684\u6210\u5458
ZRANGEBYSCORE key min max \u8fd4\u56de\u6240\u6709\u7b26\u5408score >= min\u548cscore <= max\u7684\u6210\u5458 ZCARD key \u8fd4\u56de\u6709\u5e8f\u96c6\u5408\u7684\u5143\u7d20\u6570\u91cf ZSCORE key element \u8fd4\u56de\u6307\u5b9a\u6210\u5458\u7684SCORE\u503c ZREMRANGEBYSCORE key min max \u5220\u9664\u7b26\u5408 score >= min \u548c score <= max \u6761\u4ef6\u7684\u6240\u6709\u6210\u5458<\/p>\n

6\uff0chash\u7c7b\u578b<\/strong><\/p>\n

Command                Parameters             Description
HSET                          key field value         Set the hash field to the specified value. Creates the hash if needed.
HGET                          key field                 Retrieve the value of the specified hash field.
HMGET                       key field1 \u2026 fieldN   Get the hash values associated to the specified fields.
HMSET                       key field1 value1 \u2026 fieldN valueN     Set the hash fields to their respective values.
HINCRBY                    key field integer       Increment the integer value of the hash at key on field with integer.
HEXISTS                    key field                 Test for existence of a specified field in a hash
HDEL                         key field                 Remove the specified field from a hash
HLEN                         key                        Return the number of items in a hash.
HKEYS                       key                        Return all the fields in a hash.
HVALS                       key                       Return all the values in a hash.
HGETALL                   key                        Return all the fields and associated values in a hash.<\/p>\n

7\uff0c\u6392\u5e8f\uff08List, Set, Sorted Set\uff09<\/strong><\/p>\n

SORT key BY pattern LIMIT start end GET pattern ASC|DESC ALPHA \u6309\u7167\u6307\u5b9a\u6a21\u5f0f\u6392\u5e8f\u96c6\u5408\u6216List
SORT mylist DESC \u964d\u5e8f
SORT mylist LIMIT 0 10 \u4ece\u5e8f\u53f70\u5f00\u59cb\uff0c\u53d610\u6761
SORT mylist LIMIT 0 10 ALPHA DESC \u6309\u9996\u5b57\u7b26\u6392\u5e8f
SORT mylist BY weight_* STORE resultkey \u5c06\u8fd4\u56de\u7684\u7ed3\u679c\u5b58\u653e\u4e8eresultkey\u5e8f\u5217\uff08List\uff09<\/p>\n

8\uff0c\u6301\u4e45\u63a7\u5236<\/strong><\/p>\n

SAVE \u540c\u6b65\u4fdd\u5b58\u6570\u636e\u5230\u78c1\u76d8
BGSAVE \u5f02\u6b65\u4fdd\u5b58\u6570\u636e\u5230\u78c1\u76d8
LASTSAVE \u8fd4\u56de\u4e0a\u6b21\u6210\u529f\u4fdd\u5b58\u5230\u78c1\u76d8\u7684Unix\u65f6\u95f4\u6233
SHUTDOWN \u540c\u6b65\u4fdd\u5b58\u5230\u670d\u52a1\u5668\u5e76\u5173\u95ed Redis \u670d\u52a1\u5668\uff08SAVE+QUIT\uff09
BGREWRITEAOF \u5f53\u65e5\u5fd7\u6587\u4ef6\u8fc7\u957f\u65f6\u91cd\u5199\u65e5\u5fd7\u6587\u4ef6<\/p>\n

9\uff0c\u8fdc\u7a0b\u63a7\u5236\u547d\u4ee4<\/strong><\/p>\n

INFO \u63d0\u4f9b\u670d\u52a1\u5668\u7684\u4fe1\u606f\u548c\u7edf\u8ba1\u4fe1\u606f
MONITOR \u5b9e\u65f6\u8f93\u51fa\u6240\u6709\u6536\u5230\u7684\u8bf7\u6c42
SLAVEOF \u4fee\u6539\u590d\u5236\u9009\u9879<\/p>\n","protected":false},"excerpt":{"rendered":"redis\u76ee\u524d\u63d0\u4f9b\u56db\u79cd\u6570\u636e\u7c7b\u578b\uff1astring,list,set\u53cazset(sorted set)\u3002* stri \u00b7\u00b7\u00b7","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"views":252,"_links":{"self":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/277"}],"collection":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/comments?post=277"}],"version-history":[{"count":0,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/277\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/media?parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/categories?post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/tags?post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}