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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/12 14:53:35 UTC

[02/23] hbase-site git commit: Published site at 362b5dd25980af11ed6dde9c046bb10893a20a56.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5a807f76/testdevapidocs/src-html/org/apache/hadoop/hbase/TestKeyValue.MockKeyValue.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> *<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * or more contributor license agreements.  See the NOTICE file<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * with the License.  You may obtain a copy of the License at<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a>
+<span class="sourceLineNo">012</span> *<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
+<span class="sourceLineNo">018</span> */<a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import static org.junit.Assert.assertNotEquals;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import static org.junit.Assert.assertNotNull;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import static org.junit.Assert.assertTrue;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.io.ByteArrayInputStream;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.io.ByteArrayOutputStream;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.io.DataInputStream;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.io.DataOutputStream;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.io.IOException;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Collections;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.Iterator;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.Set;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.TreeSet;<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.junit.ClassRule;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.junit.Test;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.junit.experimental.categories.Category;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.slf4j.Logger;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.slf4j.LoggerFactory;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>@Category(SmallTests.class)<a name="line.47"></a>
+<span class="sourceLineNo">048</span>public class TestKeyValue {<a name="line.48"></a>
+<span class="sourceLineNo">049</span>  @ClassRule<a name="line.49"></a>
+<span class="sourceLineNo">050</span>  public static final HBaseClassTestRule CLASS_RULE =<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  HBaseClassTestRule.forClass(TestKeyValue.class);<a name="line.51"></a>
+<span class="sourceLineNo">052</span>  private static final Logger LOG = LoggerFactory.getLogger(TestKeyValue.class);<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>  @Test<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  public void testColumnCompare() throws Exception {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    final byte [] a = Bytes.toBytes("aaa");<a name="line.56"></a>
+<span class="sourceLineNo">057</span>    byte [] family1 = Bytes.toBytes("abc");<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    byte [] qualifier1 = Bytes.toBytes("def");<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    byte [] family2 = Bytes.toBytes("abcd");<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    byte [] qualifier2 = Bytes.toBytes("ef");<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>    KeyValue aaa = new KeyValue(a, family1, qualifier1, 0L, KeyValue.Type.Put, a);<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    assertFalse(CellUtil.matchingColumn(aaa, family2, qualifier2));<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    assertTrue(CellUtil.matchingColumn(aaa, family1, qualifier1));<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    aaa = new KeyValue(a, family2, qualifier2, 0L, KeyValue.Type.Put, a);<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    assertFalse(CellUtil.matchingColumn(aaa, family1, qualifier1));<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    assertTrue(CellUtil.matchingColumn(aaa, family2,qualifier2));<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    byte [] nullQualifier = new byte[0];<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    aaa = new KeyValue(a, family1, nullQualifier, 0L, KeyValue.Type.Put, a);<a name="line.69"></a>
+<span class="sourceLineNo">070</span>    assertTrue(CellUtil.matchingColumn(aaa, family1,null));<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    assertFalse(CellUtil.matchingColumn(aaa, family2,qualifier2));<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span>  /**<a name="line.74"></a>
+<span class="sourceLineNo">075</span>   * Test a corner case when the family qualifier is a prefix of the<a name="line.75"></a>
+<span class="sourceLineNo">076</span>   *  column qualifier.<a name="line.76"></a>
+<span class="sourceLineNo">077</span>   */<a name="line.77"></a>
+<span class="sourceLineNo">078</span>  @Test<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  public void testColumnCompare_prefix() throws Exception {<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    final byte [] a = Bytes.toBytes("aaa");<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    byte [] family1 = Bytes.toBytes("abc");<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    byte [] qualifier1 = Bytes.toBytes("def");<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    byte [] family2 = Bytes.toBytes("ab");<a name="line.83"></a>
+<span class="sourceLineNo">084</span>    byte [] qualifier2 = Bytes.toBytes("def");<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>    KeyValue aaa = new KeyValue(a, family1, qualifier1, 0L, KeyValue.Type.Put, a);<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    assertFalse(CellUtil.matchingColumn(aaa, family2, qualifier2));<a name="line.87"></a>
+<span class="sourceLineNo">088</span>  }<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span>  @Test<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  public void testBasics() throws Exception {<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    LOG.info("LOWKEY: " + KeyValue.LOWESTKEY.toString());<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    String name = "testBasics";<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    check(Bytes.toBytes(name),<a name="line.94"></a>
+<span class="sourceLineNo">095</span>      Bytes.toBytes(name), Bytes.toBytes(name), 1,<a name="line.95"></a>
+<span class="sourceLineNo">096</span>      Bytes.toBytes(name));<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    // Test empty value and empty column -- both should work. (not empty fam)<a name="line.97"></a>
+<span class="sourceLineNo">098</span>    check(Bytes.toBytes(name), Bytes.toBytes(name), null, 1, null);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    check(HConstants.EMPTY_BYTE_ARRAY, Bytes.toBytes(name), null, 1, null);<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    // empty qual is equivalent to null qual<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    assertEquals(<a name="line.101"></a>
+<span class="sourceLineNo">102</span>      new KeyValue(Bytes.toBytes("rk"), Bytes.toBytes("fam"), null, 1, (byte[]) null),<a name="line.102"></a>
+<span class="sourceLineNo">103</span>      new KeyValue(Bytes.toBytes("rk"), Bytes.toBytes("fam"),<a name="line.103"></a>
+<span class="sourceLineNo">104</span>        HConstants.EMPTY_BYTE_ARRAY, 1, (byte[]) null));<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  }<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span>  private void check(final byte [] row, final byte [] family, byte [] qualifier,<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    final long timestamp, final byte [] value) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    KeyValue kv = new KeyValue(row, family, qualifier, timestamp, value);<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    assertTrue(Bytes.compareTo(kv.getRowArray(), kv.getRowOffset(), kv.getRowLength(), row, 0,<a name="line.110"></a>
+<span class="sourceLineNo">111</span>      row.length) == 0);<a name="line.111"></a>
+<span class="sourceLineNo">112</span>    assertTrue(CellUtil.matchingColumn(kv, family, qualifier));<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    // Call toString to make sure it works.<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    LOG.info(kv.toString());<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>  @Test<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  public void testPlainCompare() throws Exception {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    final byte [] a = Bytes.toBytes("aaa");<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    final byte [] b = Bytes.toBytes("bbb");<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    final byte [] fam = Bytes.toBytes("col");<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    final byte [] qf = Bytes.toBytes("umn");<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    KeyValue aaa = new KeyValue(a, fam, qf, a);<a name="line.123"></a>
+<span class="sourceLineNo">124</span>    KeyValue bbb = new KeyValue(b, fam, qf, b);<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, bbb) &lt; 0);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(bbb, aaa) &gt; 0);<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    // Compare breaks if passed same ByteBuffer as both left and right arguments.<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(bbb, bbb) == 0);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, aaa) == 0);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    // Do compare with different timestamps.<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    aaa = new KeyValue(a, fam, qf, 1, a);<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    bbb = new KeyValue(a, fam, qf, 2, a);<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, bbb) &gt; 0);<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(bbb, aaa) &lt; 0);<a name="line.134"></a>
+<span class="sourceLineNo">135</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, aaa) == 0);<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    // Do compare with different types.  Higher numbered types -- Delete<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    // should sort ahead of lower numbers; i.e. Put<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    aaa = new KeyValue(a, fam, qf, 1, KeyValue.Type.Delete, a);<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    bbb = new KeyValue(a, fam, qf, 1, a);<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, bbb) &lt; 0);<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(bbb, aaa) &gt; 0);<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    assertTrue(CellComparatorImpl.COMPARATOR.compare(aaa, aaa) == 0);<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>  @Test<a name="line.145"></a>
+<span class="sourceLineNo">146</span>  public void testMoreComparisons() throws Exception {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    long now = System.currentTimeMillis();<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span>    // Meta compares<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    KeyValue aaa = new KeyValue(<a name="line.150"></a>
+<span class="sourceLineNo">151</span>        Bytes.toBytes("TestScanMultipleVersions,row_0500,1236020145502"), now);<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    KeyValue bbb = new KeyValue(<a name="line.152"></a>
+<span class="sourceLineNo">153</span>        Bytes.toBytes("TestScanMultipleVersions,,99999999999999"), now);<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    CellComparator c = CellComparatorImpl.META_COMPARATOR;<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    assertTrue(c.compare(bbb, aaa) &lt; 0);<a name="line.155"></a>
+<span class="sourceLineNo">156</span><a name="line.156"></a>
+<span class="sourceLineNo">157</span>    KeyValue aaaa = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,,1236023996656"),<a name="line.157"></a>
+<span class="sourceLineNo">158</span>        Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236024396271L,<a name="line.158"></a>
+<span class="sourceLineNo">159</span>        (byte[])null);<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    assertTrue(c.compare(aaaa, bbb) &lt; 0);<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    KeyValue x = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),<a name="line.162"></a>
+<span class="sourceLineNo">163</span>        Bytes.toBytes("info"), Bytes.toBytes(""), 9223372036854775807L,<a name="line.163"></a>
+<span class="sourceLineNo">164</span>        (byte[])null);<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    KeyValue y = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),<a name="line.165"></a>
+<span class="sourceLineNo">166</span>        Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236034574912L,<a name="line.166"></a>
+<span class="sourceLineNo">167</span>        (byte[])null);<a name="line.167"></a>
+<span class="sourceLineNo">168</span>    assertTrue(c.compare(x, y) &lt; 0);<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    comparisons(CellComparatorImpl.META_COMPARATOR);<a name="line.169"></a>
+<span class="sourceLineNo">170</span>    comparisons(CellComparatorImpl.COMPARATOR);<a name="line.170"></a>
+<span class="sourceLineNo">171</span>    metacomparisons(CellComparatorImpl.META_COMPARATOR);<a name="line.171"></a>
+<span class="sourceLineNo">172</span>  }<a name="line.172"></a>
+<span class="sourceLineNo">173</span><a name="line.173"></a>
+<span class="sourceLineNo">174</span>  @Test<a name="line.174"></a>
+<span class="sourceLineNo">175</span>  public void testMetaComparatorTableKeysWithCommaOk() {<a name="line.175"></a>
+<span class="sourceLineNo">176</span>    CellComparator c = CellComparatorImpl.META_COMPARATOR;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    long now = System.currentTimeMillis();<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    // meta keys values are not quite right.  A users can enter illegal values<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    // from shell when scanning meta.<a name="line.179"></a>
+<span class="sourceLineNo">180</span>    KeyValue a = new KeyValue(Bytes.toBytes("table,key,with,commas1,1234"), now);<a name="line.180"></a>
+<span class="sourceLineNo">181</span>    KeyValue b = new KeyValue(Bytes.toBytes("table,key,with,commas2,0123"), now);<a name="line.181"></a>
+<span class="sourceLineNo">182</span>    assertTrue(c.compare(a, b) &lt; 0);<a name="line.182"></a>
+<span class="sourceLineNo">183</span>  }<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span>  /**<a name="line.185"></a>
+<span class="sourceLineNo">186</span>   * Tests cases where rows keys have characters below the ','.<a name="line.186"></a>
+<span class="sourceLineNo">187</span>   * See HBASE-832<a name="line.187"></a>
+<span class="sourceLineNo">188</span>   * @throws IOException<a name="line.188"></a>
+<span class="sourceLineNo">189</span>   */<a name="line.189"></a>
+<span class="sourceLineNo">190</span>  @Test<a name="line.190"></a>
+<span class="sourceLineNo">191</span>  public void testKeyValueBorderCases() throws IOException {<a name="line.191"></a>
+<span class="sourceLineNo">192</span>    // % sorts before , so if we don't do special comparator, rowB would<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    // come before rowA.<a name="line.193"></a>
+<span class="sourceLineNo">194</span>    KeyValue rowA = new KeyValue(Bytes.toBytes("testtable,www.hbase.org/,1234"),<a name="line.194"></a>
+<span class="sourceLineNo">195</span>      Bytes.toBytes("fam"), Bytes.toBytes(""), Long.MAX_VALUE, (byte[])null);<a name="line.195"></a>
+<span class="sourceLineNo">196</span>    KeyValue rowB = new KeyValue(Bytes.toBytes("testtable,www.hbase.org/%20,99999"),<a name="line.196"></a>
+<span class="sourceLineNo">197</span>        Bytes.toBytes("fam"), Bytes.toBytes(""), Long.MAX_VALUE, (byte[])null);<a name="line.197"></a>
+<span class="sourceLineNo">198</span>    assertTrue(CellComparatorImpl.META_COMPARATOR.compare(rowA, rowB) &lt; 0);<a name="line.198"></a>
+<span class="sourceLineNo">199</span><a name="line.199"></a>
+<span class="sourceLineNo">200</span>    rowA = new KeyValue(Bytes.toBytes("testtable,,1234"), Bytes.toBytes("fam"),<a name="line.200"></a>
+<span class="sourceLineNo">201</span>        Bytes.toBytes(""), Long.MAX_VALUE, (byte[])null);<a name="line.201"></a>
+<span class="sourceLineNo">202</span>    rowB = new KeyValue(Bytes.toBytes("testtable,$www.hbase.org/,99999"),<a name="line.202"></a>
+<span class="sourceLineNo">203</span>        Bytes.toBytes("fam"), Bytes.toBytes(""), Long.MAX_VALUE, (byte[])null);<a name="line.203"></a>
+<span class="sourceLineNo">204</span>    assertTrue(CellComparatorImpl.META_COMPARATOR.compare(rowA, rowB) &lt; 0);<a name="line.204"></a>
+<span class="sourceLineNo">205</span><a name="line.205"></a>
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+<span class="sourceLineNo">207</span><a name="line.207"></a>
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+<span class="sourceLineNo">322</span><a name="line.322"></a>
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+<span class="sourceLineNo">334</span>    // 'fami:qf1' &lt; 'fami:qf2'<a name="line.334"></a>
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+<span class="sourceLineNo">339</span>    // Test comparison by skipping the same prefix bytes.<a name="line.339"></a>
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+<span class="sourceLineNo">341</span>     * KeyValue Format and commonLength:<a name="line.341"></a>
+<span class="sourceLineNo">342</span>     * |_keyLen_|_valLen_|_rowLen_|_rowKey_|_famiLen_|_fami_|_Quali_|....<a name="line.342"></a>
+<span class="sourceLineNo">343</span>     * ------------------|-------commonLength--------|--------------<a name="line.343"></a>
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+<span class="sourceLineNo">346</span>        + row.length;<a name="line.346"></a>
+<span class="sourceLineNo">347</span>    // 'fa:' &lt; 'fami:'. They have commonPrefix + 2 same prefix bytes.<a name="line.347"></a>
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+</html>