forked from huangzworks/redis
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdbsize.html
151 lines (128 loc) · 5.26 KB
/
dbsize.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>DBSIZE — Redis 命令参考</title>
<link rel="stylesheet" href="../_static/pyramid.css" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../',
VERSION: '2.8',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true
};
</script>
<script type="text/javascript" src="../_static/jquery.js"></script>
<script type="text/javascript" src="../_static/underscore.js"></script>
<script type="text/javascript" src="../_static/doctools.js"></script>
<link rel="top" title="Redis 命令参考" href="../index.html" />
<link rel="up" title="Server（服务器）" href="index.html" />
<link rel="next" title="DEBUG OBJECT" href="debug_object.html" />
<link rel="prev" title="CONFIG SET" href="config_set.html" />
<!--[if lte IE 6]>
<link rel="stylesheet" href="../_static/ie6.css" type="text/css" media="screen" charset="utf-8" />
<![endif]-->
</head>
<body>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="debug_object.html" title="DEBUG OBJECT"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="config_set.html" title="CONFIG SET"
accesskey="P">previous</a> |</li>
<li><a href="../index.html">Redis 命令参考</a> »</li>
<li><a href="index.html" accesskey="U">Server（服务器）</a> »</li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body">
<div class="section" id="dbsize">
<span id="id1"></span><h1>DBSIZE<a class="headerlink" href="#dbsize" title="Permalink to this headline">¶</a></h1>
<p><strong>DBSIZE</strong></p>
<p>返回当前数据库的 key 的数量。</p>
<dl class="docutils">
<dt><strong>可用版本：</strong></dt>
<dd>>= 1.0.0</dd>
<dt><strong>时间复杂度：</strong></dt>
<dd>O(1)</dd>
<dt><strong>返回值：</strong></dt>
<dd>当前数据库的 key 的数量。</dd>
</dl>
<div class="highlight-python"><div class="highlight"><pre>redis> DBSIZE
(integer) 5
redis> SET new_key "hello_moto" # 增加一个 key 试试
OK
redis> DBSIZE
(integer) 6
</pre></div>
</div>
</div>
<div class="section" id="discuss">
<h2>
讨论
<a class="headerlink" href="#discuss" title="永久链接至标题">¶</a>
</h2>
<div id="disqus_thread"></div>
<script type="text/javascript">
/* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */
var disqus_shortname = 'redis-command-cn'; // required: replace example with your forum shortname
/* * * DON'T EDIT BELOW THIS LINE * * */
(function() {
var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
<a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
</div>
<div id="sponser">
<h2>赞助商</h2>
<p>我们正在寻找赞助商，有意对这个网站进行赞助的朋友请联系 [email protected] 。</p>
</div>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="debug_object.html" title="DEBUG OBJECT"
>next</a> |</li>
<li class="right" >
<a href="config_set.html" title="CONFIG SET"
>previous</a> |</li>
<li><a href="../index.html">Redis 命令参考</a> »</li>
<li><a href="index.html" >Server（服务器）</a> »</li>
</ul>
</div>
<div class="footer">
© Copyright 2015, Redis.
Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.3.3.
</div>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-53959484-7', 'auto');
ga('send', 'pageview');
</script>
</body>
</html>