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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<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.assertNull;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.assertTrue;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.junit.Assert.fail;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.LinkedHashSet;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.Set;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Put;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Result;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Table;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.filter.ColumnPrefixFilter;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.filter.ColumnRangeFilter;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.filter.FirstKeyValueMatchingQualifiersFilter;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.filter.RandomRowFilter;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.AfterClass;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.BeforeClass;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.ClassRule;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Rule;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.Test;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.experimental.categories.Category;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.rules.TestName;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.slf4j.Logger;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.slf4j.LoggerFactory;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span>/**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * These tests are focused on testing how partial results appear to a client. Partial results are<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * {@link Result}s that contain only a portion of a row's complete list of cells. Partial results<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * are formed when the server breaches its maximum result size when trying to service a client's RPC<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * request. It is the responsibility of the scanner on the client side to recognize when partial<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * results have been returned and to take action to form the complete results.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * <p><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * Unless the flag {@link Scan#setAllowPartialResults(boolean)} has been set to true, the caller of<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * {@link ResultScanner#next()} should never see partial results.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> */<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>@Category(LargeTests.class)<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>public class TestPartialResultsFromClientSide {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> @ClassRule<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> HBaseClassTestRule.forClass(TestPartialResultsFromClientSide.class);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static final Logger LOG = LoggerFactory.getLogger(TestPartialResultsFromClientSide.class);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private final static int MINICLUSTER_SIZE = 5;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static Table TABLE = null;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * Table configuration<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> */<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private static TableName TABLE_NAME = TableName.valueOf("testTable");<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private static int NUM_ROWS = 5;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private static byte[] ROW = Bytes.toBytes("testRow");<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private static byte[][] ROWS = HTestConst.makeNAscii(ROW, NUM_ROWS);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> // Should keep this value below 10 to keep generation of expected kv's simple. If above 10 then<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // table/row/cf1/... will be followed by table/row/cf10/... instead of table/row/cf2/... which<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // breaks the simple generation of expected kv's<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private static int NUM_FAMILIES = 10;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> private static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private static byte[][] FAMILIES = HTestConst.makeNAscii(FAMILY, NUM_FAMILIES);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> private static int NUM_QUALIFIERS = 10;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> private static byte[] QUALIFIER = Bytes.toBytes("testQualifier");<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private static byte[][] QUALIFIERS = HTestConst.makeNAscii(QUALIFIER, NUM_QUALIFIERS);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private static int VALUE_SIZE = 1024;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> private static byte[] VALUE = Bytes.createMaxByteArray(VALUE_SIZE);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private static int NUM_COLS = NUM_FAMILIES * NUM_QUALIFIERS;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // Approximation of how large the heap size of cells in our table. Should be accessed through<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // getCellHeapSize().<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> private static long CELL_HEAP_SIZE = -1;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> private static long timeout = 10000;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> @Rule<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public TestName name = new TestName();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> @BeforeClass<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public static void setUpBeforeClass() throws Exception {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> TEST_UTIL.getConfiguration().setLong(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, timeout);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> TEST_UTIL.startMiniCluster(MINICLUSTER_SIZE);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> TEST_UTIL.getAdmin().balancerSwitch(false, true);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> TABLE = createTestTable(TABLE_NAME, ROWS, FAMILIES, QUALIFIERS, VALUE);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> static Table createTestTable(TableName name, byte[][] rows, byte[][] families,<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> byte[][] qualifiers, byte[] cellValue) throws IOException {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> Table ht = TEST_UTIL.createTable(name, families);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> List<Put> puts = createPuts(rows, families, qualifiers, cellValue);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> ht.put(puts);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return ht;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> @AfterClass<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> public static void tearDownAfterClass() throws Exception {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> TEST_UTIL.shutdownMiniCluster();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /**<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * Ensure that the expected key values appear in a result returned from a scanner that is<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * combining partial results into complete results<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * @throws Exception<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> */<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> @Test<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void testExpectedValuesOfPartialResults() throws Exception {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> testExpectedValuesOfPartialResults(false);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> testExpectedValuesOfPartialResults(true);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public void testExpectedValuesOfPartialResults(boolean reversed) throws Exception {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> Scan partialScan = new Scan();<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> partialScan.readAllVersions();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // Max result size of 1 ensures that each RPC request will return a single cell. The scanner<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // will need to reconstruct the results into a complete result before returning to the caller<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> partialScan.setMaxResultSize(1);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> partialScan.setReversed(reversed);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> ResultScanner partialScanner = TABLE.getScanner(partialScan);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> final int startRow = reversed ? ROWS.length - 1 : 0;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> final int endRow = reversed ? -1 : ROWS.length;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> final int loopDelta = reversed ? -1 : 1;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> String message;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> for (int row = startRow; row != endRow; row = row + loopDelta) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> message = "Ensuring the expected keyValues are present for row " + row;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> List<Cell> expectedKeyValues = createKeyValuesForRow(ROWS[row], FAMILIES, QUALIFIERS, VALUE);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> Result result = partialScanner.next();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> assertFalse(result.mayHaveMoreCellsInRow());<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> verifyResult(result, expectedKeyValues, message);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> partialScanner.close();<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> /**<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * Ensure that we only see Results marked as partial when the allowPartial flag is set<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @throws Exception<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> */<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> @Test<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> public void testAllowPartialResults() throws Exception {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> Scan scan = new Scan();<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> scan.setAllowPartialResults(true);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> scan.setMaxResultSize(1);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Result result = scanner.next();<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> assertTrue(result != null);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> assertTrue(result.mayHaveMoreCellsInRow());<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> assertTrue(result.rawCells() != null);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> assertTrue(result.rawCells().length == 1);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> scanner.close();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> scan.setAllowPartialResults(false);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> scanner = TABLE.getScanner(scan);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> result = scanner.next();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> assertTrue(result != null);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> assertTrue(!result.mayHaveMoreCellsInRow());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> assertTrue(result.rawCells() != null);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> assertTrue(result.rawCells().length == NUM_COLS);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> scanner.close();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> /**<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * Ensure that the results returned from a scanner that retrieves all results in a single RPC call<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * matches the results that are returned from a scanner that must incrementally combine partial<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * results into complete results. A variety of scan configurations can be tested<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * @throws Exception<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> */<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> @Test<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> public void testEquivalenceOfScanResults() throws Exception {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> Scan oneShotScan = new Scan();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> oneShotScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> Scan partialScan = new Scan(oneShotScan);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> partialScan.setMaxResultSize(1);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> testEquivalenceOfScanResults(TABLE, oneShotScan, partialScan);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public void testEquivalenceOfScanResults(Table table, Scan scan1, Scan scan2) throws Exception {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> ResultScanner scanner1 = table.getScanner(scan1);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> ResultScanner scanner2 = table.getScanner(scan2);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> Result r1 = null;<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> Result r2 = null;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> int count = 0;<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> while ((r1 = scanner1.next()) != null) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> r2 = scanner2.next();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> assertTrue(r2 != null);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> compareResults(r1, r2, "Comparing result #" + count);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> count++;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> r2 = scanner2.next();<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> assertTrue("r2: " + r2 + " Should be null", r2 == null);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span><a name="line.240"></a> |
| <span class="sourceLineNo">241</span> scanner1.close();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> scanner2.close();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> /**<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * Order of cells in partial results matches the ordering of cells from complete results<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @throws Exception<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> @Test<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> public void testOrderingOfCellsInPartialResults() throws Exception {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> Scan scan = new Scan();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> for (int col = 1; col <= NUM_COLS; col++) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> scan.setMaxResultSize(getResultSizeForNumberOfCells(col));<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> testOrderingOfCellsInPartialResults(scan);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // Test again with a reversed scanner<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> scan.setReversed(true);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> testOrderingOfCellsInPartialResults(scan);<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public void testOrderingOfCellsInPartialResults(final Scan basePartialScan) throws Exception {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // Scan that retrieves results in pieces (partials). By setting allowPartialResults to be true<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> // the results will NOT be reconstructed and instead the caller will see the partial results<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> // returned by the server<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> Scan partialScan = new Scan(basePartialScan);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> partialScan.setAllowPartialResults(true);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> ResultScanner partialScanner = TABLE.getScanner(partialScan);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // Scan that retrieves all table results in single RPC request<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> Scan oneShotScan = new Scan(basePartialScan);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> oneShotScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> oneShotScan.setCaching(ROWS.length);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> ResultScanner oneShotScanner = TABLE.getScanner(oneShotScan);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> Result oneShotResult = oneShotScanner.next();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> Result partialResult = null;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> int iterationCount = 0;<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> while (oneShotResult != null && oneShotResult.rawCells() != null) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> List<Cell> aggregatePartialCells = new ArrayList<>();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> do {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> partialResult = partialScanner.next();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> assertTrue("Partial Result is null. iteration: " + iterationCount, partialResult != null);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> assertTrue("Partial cells are null. iteration: " + iterationCount,<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> partialResult.rawCells() != null);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> for (Cell c : partialResult.rawCells()) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> aggregatePartialCells.add(c);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> } while (partialResult.mayHaveMoreCellsInRow());<a name="line.292"></a> |
| <span class="sourceLineNo">293</span><a name="line.293"></a> |
| <span class="sourceLineNo">294</span> assertTrue("Number of cells differs. iteration: " + iterationCount,<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> oneShotResult.rawCells().length == aggregatePartialCells.size());<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> final Cell[] oneShotCells = oneShotResult.rawCells();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> for (int cell = 0; cell < oneShotCells.length; cell++) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> Cell oneShotCell = oneShotCells[cell];<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> Cell partialCell = aggregatePartialCells.get(cell);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> assertTrue("One shot cell was null", oneShotCell != null);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> assertTrue("Partial cell was null", partialCell != null);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> assertTrue("Cell differs. oneShotCell:" + oneShotCell + " partialCell:" + partialCell,<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> oneShotCell.equals(partialCell));<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> oneShotResult = oneShotScanner.next();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> iterationCount++;<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> assertTrue(partialScanner.next() == null);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> partialScanner.close();<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> oneShotScanner.close();<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span><a name="line.316"></a> |
| <span class="sourceLineNo">317</span> /**<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> * Setting the max result size allows us to control how many cells we expect to see on each call<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> * to next on the scanner. Test a variety of different sizes for correctness<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * @throws Exception<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> */<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> @Test<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> public void testExpectedNumberOfCellsPerPartialResult() throws Exception {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> Scan scan = new Scan();<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> testExpectedNumberOfCellsPerPartialResult(scan);<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> scan.setReversed(true);<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> testExpectedNumberOfCellsPerPartialResult(scan);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> }<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> public void testExpectedNumberOfCellsPerPartialResult(Scan baseScan) throws Exception {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> for (int expectedCells = 1; expectedCells <= NUM_COLS; expectedCells++) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> testExpectedNumberOfCellsPerPartialResult(baseScan, expectedCells);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> public void testExpectedNumberOfCellsPerPartialResult(Scan baseScan, int expectedNumberOfCells)<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> throws Exception {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span><a name="line.339"></a> |
| <span class="sourceLineNo">340</span> if (LOG.isInfoEnabled()) LOG.info("groupSize:" + expectedNumberOfCells);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span><a name="line.341"></a> |
| <span class="sourceLineNo">342</span> // Use the cellHeapSize to set maxResultSize such that we know how many cells to expect back<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> // from the call. The returned results should NOT exceed expectedNumberOfCells but may be less<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> // than it in cases where expectedNumberOfCells is not an exact multiple of the number of<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> // columns in the table.<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> Scan scan = new Scan(baseScan);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> scan.setAllowPartialResults(true);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> scan.setMaxResultSize(getResultSizeForNumberOfCells(expectedNumberOfCells));<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> Result result = null;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> byte[] prevRow = null;<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> while ((result = scanner.next()) != null) {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> assertTrue(result.rawCells() != null);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> // Cases when cell count won't equal expectedNumberOfCells:<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> // 1. Returned result is the final result needed to form the complete result for that row<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> // 2. It is the first result we have seen for that row and thus may have been fetched as<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> // the last group of cells that fit inside the maxResultSize<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> assertTrue(<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> "Result's cell count differed from expected number. result: " + result,<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> result.rawCells().length == expectedNumberOfCells || !result.mayHaveMoreCellsInRow()<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> || !Bytes.equals(prevRow, result.getRow()));<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> prevRow = result.getRow();<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> scanner.close();<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span><a name="line.369"></a> |
| <span class="sourceLineNo">370</span> /**<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * @return The approximate heap size of a cell in the test table. All cells should have<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> * approximately the same heap size, so the value is cached to avoid repeating the<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> * calculation<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> * @throws Exception<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> */<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> private long getCellHeapSize() throws Exception {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> if (CELL_HEAP_SIZE == -1) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> // Do a partial scan that will return a single result with a single cell<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> Scan scan = new Scan();<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> scan.setMaxResultSize(2);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> scan.setAllowPartialResults(true);<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span><a name="line.383"></a> |
| <span class="sourceLineNo">384</span> Result result = scanner.next();<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> assertTrue(result != null);<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> assertTrue(result.rawCells() != null);<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> assertTrue(result.rawCells().length == 1);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span><a name="line.389"></a> |
| <span class="sourceLineNo">390</span> // Estimate the cell heap size. One difference is that on server side, the KV Heap size is<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> // estimated differently in case the cell is backed up by MSLAB byte[] (no overhead for<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> // backing array). Thus below calculation is a bit brittle.<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> CELL_HEAP_SIZE = result.rawCells()[0].heapSize() - (ClassSize.ARRAY + 3);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> if (LOG.isInfoEnabled()) LOG.info("Cell heap size: " + CELL_HEAP_SIZE);<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> scanner.close();<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> return CELL_HEAP_SIZE;<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> }<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> /**<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> * @param numberOfCells<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> * @return the result size that should be used in {@link Scan#setMaxResultSize(long)} if you want<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> * the server to return exactly numberOfCells cells<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> * @throws Exception<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> */<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> private long getResultSizeForNumberOfCells(int numberOfCells) throws Exception {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> return getCellHeapSize() * numberOfCells;<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> }<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> /**<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> * Test various combinations of batching and partial results for correctness<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> */<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> @Test<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> public void testPartialResultsAndBatch() throws Exception {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> for (int batch = 1; batch <= NUM_COLS / 4; batch++) {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> for (int cellsPerPartial = 1; cellsPerPartial <= NUM_COLS / 4; cellsPerPartial++) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> testPartialResultsAndBatch(batch, cellsPerPartial);<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> }<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span><a name="line.422"></a> |
| <span class="sourceLineNo">423</span> public void testPartialResultsAndBatch(final int batch, final int cellsPerPartialResult)<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> throws Exception {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> if (LOG.isInfoEnabled()) {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> LOG.info("batch: " + batch + " cellsPerPartialResult: " + cellsPerPartialResult);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> Scan scan = new Scan();<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> scan.setMaxResultSize(getResultSizeForNumberOfCells(cellsPerPartialResult));<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> scan.setBatch(batch);<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> Result result = scanner.next();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> int repCount = 0;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span><a name="line.435"></a> |
| <span class="sourceLineNo">436</span> while ((result = scanner.next()) != null) {<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> assertTrue(result.rawCells() != null);<a name="line.437"></a> |
| <span class="sourceLineNo">438</span><a name="line.438"></a> |
| <span class="sourceLineNo">439</span> if (result.mayHaveMoreCellsInRow()) {<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> final String error =<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> "Cells:" + result.rawCells().length + " Batch size:" + batch<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> + " cellsPerPartialResult:" + cellsPerPartialResult + " rep:" + repCount;<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> assertTrue(error, result.rawCells().length == batch);<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> } else {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> assertTrue(result.rawCells().length <= batch);<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> }<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> repCount++;<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> }<a name="line.448"></a> |
| <span class="sourceLineNo">449</span><a name="line.449"></a> |
| <span class="sourceLineNo">450</span> scanner.close();<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span><a name="line.452"></a> |
| <span class="sourceLineNo">453</span> /**<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> * Test the method {@link Result#createCompleteResult(Iterable)}<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> * @throws Exception<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> */<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> @Test<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> public void testPartialResultsReassembly() throws Exception {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> Scan scan = new Scan();<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> testPartialResultsReassembly(scan);<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> scan.setReversed(true);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> testPartialResultsReassembly(scan);<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> public void testPartialResultsReassembly(Scan scanBase) throws Exception {<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> Scan partialScan = new Scan(scanBase);<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> partialScan.setMaxResultSize(1);<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> partialScan.setAllowPartialResults(true);<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> ResultScanner partialScanner = TABLE.getScanner(partialScan);<a name="line.469"></a> |
| <span class="sourceLineNo">470</span><a name="line.470"></a> |
| <span class="sourceLineNo">471</span> Scan oneShotScan = new Scan(scanBase);<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> oneShotScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> ResultScanner oneShotScanner = TABLE.getScanner(oneShotScan);<a name="line.473"></a> |
| <span class="sourceLineNo">474</span><a name="line.474"></a> |
| <span class="sourceLineNo">475</span> ArrayList<Result> partials = new ArrayList<>();<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> for (int i = 0; i < NUM_ROWS; i++) {<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> Result partialResult = null;<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> Result completeResult = null;<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> Result oneShotResult = null;<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> partials.clear();<a name="line.480"></a> |
| <span class="sourceLineNo">481</span><a name="line.481"></a> |
| <span class="sourceLineNo">482</span> do {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> partialResult = partialScanner.next();<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> partials.add(partialResult);<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> } while (partialResult != null && partialResult.mayHaveMoreCellsInRow());<a name="line.485"></a> |
| <span class="sourceLineNo">486</span><a name="line.486"></a> |
| <span class="sourceLineNo">487</span> completeResult = Result.createCompleteResult(partials);<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> oneShotResult = oneShotScanner.next();<a name="line.488"></a> |
| <span class="sourceLineNo">489</span><a name="line.489"></a> |
| <span class="sourceLineNo">490</span> compareResults(completeResult, oneShotResult, null);<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> }<a name="line.491"></a> |
| <span class="sourceLineNo">492</span><a name="line.492"></a> |
| <span class="sourceLineNo">493</span> assertTrue(oneShotScanner.next() == null);<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> assertTrue(partialScanner.next() == null);<a name="line.494"></a> |
| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> oneShotScanner.close();<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> partialScanner.close();<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> }<a name="line.498"></a> |
| <span class="sourceLineNo">499</span><a name="line.499"></a> |
| <span class="sourceLineNo">500</span> /**<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> * When reconstructing the complete result from its partials we ensure that the row of each<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> * partial result is the same. If one of the rows differs, an exception is thrown.<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> */<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> @Test<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> public void testExceptionThrownOnMismatchedPartialResults() throws IOException {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> assertTrue(NUM_ROWS >= 2);<a name="line.506"></a> |
| <span class="sourceLineNo">507</span><a name="line.507"></a> |
| <span class="sourceLineNo">508</span> ArrayList<Result> partials = new ArrayList<>();<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> Scan scan = new Scan();<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> scan.setMaxResultSize(Long.MAX_VALUE);<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> Result r1 = scanner.next();<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> partials.add(r1);<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> Result r2 = scanner.next();<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> partials.add(r2);<a name="line.515"></a> |
| <span class="sourceLineNo">516</span><a name="line.516"></a> |
| <span class="sourceLineNo">517</span> assertFalse(Bytes.equals(r1.getRow(), r2.getRow()));<a name="line.517"></a> |
| <span class="sourceLineNo">518</span><a name="line.518"></a> |
| <span class="sourceLineNo">519</span> try {<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> Result.createCompleteResult(partials);<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> fail("r1 and r2 are from different rows. It should not be possible to combine them into"<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> + " a single result");<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> } catch (IOException e) {<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> }<a name="line.524"></a> |
| <span class="sourceLineNo">525</span><a name="line.525"></a> |
| <span class="sourceLineNo">526</span> scanner.close();<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span><a name="line.528"></a> |
| <span class="sourceLineNo">529</span> /**<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> * When a scan has a filter where {@link org.apache.hadoop.hbase.filter.Filter#hasFilterRow()} is<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> * true, the scanner should not return partial results. The scanner cannot return partial results<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> * because the entire row needs to be read for the include/exclude decision to be made<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> */<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> @Test<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> public void testNoPartialResultsWhenRowFilterPresent() throws Exception {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> Scan scan = new Scan();<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> scan.setMaxResultSize(1);<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> scan.setAllowPartialResults(true);<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> // If a filter hasFilter() is true then partial results should not be returned else filter<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> // application server side would break.<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> scan.setFilter(new RandomRowFilter(1.0f));<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> ResultScanner scanner = TABLE.getScanner(scan);<a name="line.542"></a> |
| <span class="sourceLineNo">543</span><a name="line.543"></a> |
| <span class="sourceLineNo">544</span> Result r = null;<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> while ((r = scanner.next()) != null) {<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> assertFalse(r.mayHaveMoreCellsInRow());<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> }<a name="line.547"></a> |
| <span class="sourceLineNo">548</span><a name="line.548"></a> |
| <span class="sourceLineNo">549</span> scanner.close();<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> }<a name="line.550"></a> |
| <span class="sourceLineNo">551</span><a name="line.551"></a> |
| <span class="sourceLineNo">552</span> /**<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> * Examine the interaction between the maxResultSize and caching. If the caching limit is reached<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> * before the maxResultSize limit, we should not see partial results. On the other hand, if the<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> * maxResultSize limit is reached before the caching limit, it is likely that partial results will<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * be seen.<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> * @throws Exception<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> */<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> @Test<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> public void testPartialResultsAndCaching() throws Exception {<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> for (int caching = 1; caching <= NUM_ROWS; caching++) {<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> for (int maxResultRows = 0; maxResultRows <= NUM_ROWS; maxResultRows++) {<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> testPartialResultsAndCaching(maxResultRows, caching);<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> }<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> }<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> }<a name="line.566"></a> |
| <span class="sourceLineNo">567</span><a name="line.567"></a> |
| <span class="sourceLineNo">568</span> /**<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> * @param resultSizeRowLimit The row limit that will be enforced through maxResultSize<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> * @param cachingRowLimit The row limit that will be enforced through caching<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> */<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> public void testPartialResultsAndCaching(int resultSizeRowLimit, int cachingRowLimit)<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> throws Exception {<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> Scan scan = new Scan();<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> scan.setAllowPartialResults(true);<a name="line.575"></a> |
| <span class="sourceLineNo">576</span><a name="line.576"></a> |
| <span class="sourceLineNo">577</span> // The number of cells specified in the call to getResultSizeForNumberOfCells is offset to<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> // ensure that the result size we specify is not an exact multiple of the number of cells<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> // in a row. This ensures that partial results will be returned when the result size limit<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> // is reached before the caching limit.<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> int cellOffset = NUM_COLS / 3;<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> long maxResultSize = getResultSizeForNumberOfCells(resultSizeRowLimit * NUM_COLS + cellOffset);<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> scan.setMaxResultSize(maxResultSize);<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> scan.setCaching(cachingRowLimit);<a name="line.584"></a> |
| <span class="sourceLineNo">585</span><a name="line.585"></a> |
| <span class="sourceLineNo">586</span> try (ResultScanner scanner = TABLE.getScanner(scan)) {<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> Result r = null;<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> // Approximate the number of rows we expect will fit into the specified max rsult size. If<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> // this approximation is less than caching, then we expect that the max result size limit will<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> // be hit before the caching limit and thus partial results may be seen<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> boolean expectToSeePartialResults = resultSizeRowLimit < cachingRowLimit;<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> while ((r = scanner.next()) != null) {<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> assertTrue(!r.mayHaveMoreCellsInRow() || expectToSeePartialResults);<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> }<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> }<a name="line.596"></a> |
| <span class="sourceLineNo">597</span><a name="line.597"></a> |
| <span class="sourceLineNo">598</span> /**<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> * Make puts to put the input value into each combination of row, family, and qualifier<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> * @param rows the rows to use<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> * @param families the families to use<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> * @param qualifiers the qualifiers to use<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> * @param value the values to use<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> * @return the dot product of the given rows, families, qualifiers, and values<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> * @throws IOException if there is a problem creating one of the Put objects<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> */<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> static ArrayList<Put> createPuts(byte[][] rows, byte[][] families, byte[][] qualifiers,<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> byte[] value) throws IOException {<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> Put put;<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> ArrayList<Put> puts = new ArrayList<>();<a name="line.610"></a> |
| <span class="sourceLineNo">611</span><a name="line.611"></a> |
| <span class="sourceLineNo">612</span> for (int row = 0; row < rows.length; row++) {<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> put = new Put(rows[row]);<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> for (int fam = 0; fam < families.length; fam++) {<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> for (int qual = 0; qual < qualifiers.length; qual++) {<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> KeyValue kv = new KeyValue(rows[row], families[fam], qualifiers[qual], qual, value);<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> put.add(kv);<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> }<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> }<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> puts.add(put);<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> }<a name="line.621"></a> |
| <span class="sourceLineNo">622</span><a name="line.622"></a> |
| <span class="sourceLineNo">623</span> return puts;<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> }<a name="line.624"></a> |
| <span class="sourceLineNo">625</span><a name="line.625"></a> |
| <span class="sourceLineNo">626</span> /**<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> * Make key values to represent each possible combination of family and qualifier in the specified<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> * row.<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> * @param row the row to use<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> * @param families the families to use<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> * @param qualifiers the qualifiers to use<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> * @param value the values to use<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> * @return the dot product of the given families, qualifiers, and values for a given row<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> */<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> static ArrayList<Cell> createKeyValuesForRow(byte[] row, byte[][] families, byte[][] qualifiers,<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> byte[] value) {<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> ArrayList<Cell> outList = new ArrayList<>();<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> for (int fam = 0; fam < families.length; fam++) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> for (int qual = 0; qual < qualifiers.length; qual++) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> outList.add(new KeyValue(row, families[fam], qualifiers[qual], qual, value));<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> }<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> }<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> return outList;<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> }<a name="line.644"></a> |
| <span class="sourceLineNo">645</span><a name="line.645"></a> |
| <span class="sourceLineNo">646</span> /**<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> * Verifies that result contains all the key values within expKvList. Fails the test otherwise<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> * @param result<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> * @param expKvList<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> * @param msg<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> */<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> static void verifyResult(Result result, List<Cell> expKvList, String msg) {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> if (LOG.isInfoEnabled()) {<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> LOG.info(msg);<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> LOG.info("Expected count: " + expKvList.size());<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> LOG.info("Actual count: " + result.size());<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> }<a name="line.657"></a> |
| <span class="sourceLineNo">658</span><a name="line.658"></a> |
| <span class="sourceLineNo">659</span> if (expKvList.isEmpty()) return;<a name="line.659"></a> |
| <span class="sourceLineNo">660</span><a name="line.660"></a> |
| <span class="sourceLineNo">661</span> int i = 0;<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> for (Cell kv : result.rawCells()) {<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> if (i >= expKvList.size()) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> break; // we will check the size later<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> }<a name="line.665"></a> |
| <span class="sourceLineNo">666</span><a name="line.666"></a> |
| <span class="sourceLineNo">667</span> Cell kvExp = expKvList.get(i++);<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> assertTrue("Not equal. get kv: " + kv.toString() + " exp kv: " + kvExp.toString(),<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> kvExp.equals(kv));<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> }<a name="line.670"></a> |
| <span class="sourceLineNo">671</span><a name="line.671"></a> |
| <span class="sourceLineNo">672</span> assertEquals(expKvList.size(), result.size());<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> }<a name="line.673"></a> |
| <span class="sourceLineNo">674</span><a name="line.674"></a> |
| <span class="sourceLineNo">675</span> /**<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> * Compares two results and fails the test if the results are different<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> * @param r1<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> * @param r2<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> * @param message<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> */<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> static void compareResults(Result r1, Result r2, final String message) {<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> if (LOG.isInfoEnabled()) {<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> if (message != null) LOG.info(message);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> LOG.info("r1: " + r1);<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> LOG.info("r2: " + r2);<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> final String failureMessage = "Results r1:" + r1 + " \nr2:" + r2 + " are not equivalent";<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> if (r1 == null && r2 == null) fail(failureMessage);<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> else if (r1 == null || r2 == null) fail(failureMessage);<a name="line.690"></a> |
| <span class="sourceLineNo">691</span><a name="line.691"></a> |
| <span class="sourceLineNo">692</span> try {<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> Result.compareResults(r1, r2);<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> } catch (Exception e) {<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> fail(failureMessage);<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> }<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> }<a name="line.697"></a> |
| <span class="sourceLineNo">698</span><a name="line.698"></a> |
| <span class="sourceLineNo">699</span> @Test<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> public void testReadPointAndPartialResults() throws Exception {<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> int numRows = 5;<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> int numFamilies = 5;<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> int numQualifiers = 5;<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> byte[][] rows = HTestConst.makeNAscii(Bytes.toBytes("testRow"), numRows);<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> byte[][] families = HTestConst.makeNAscii(Bytes.toBytes("testFamily"), numFamilies);<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> byte[][] qualifiers = HTestConst.makeNAscii(Bytes.toBytes("testQualifier"), numQualifiers);<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> byte[] value = Bytes.createMaxByteArray(100);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span><a name="line.709"></a> |
| <span class="sourceLineNo">710</span> Table tmpTable = createTestTable(tableName, rows, families, qualifiers, value);<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> // Open scanner before deletes<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> ResultScanner scanner =<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> tmpTable.getScanner(new Scan().setMaxResultSize(1).setAllowPartialResults(true));<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> // now the openScanner will also fetch data and will be executed lazily, i.e, only openScanner<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> // when you call next, so here we need to make a next call to open scanner. The maxResultSize<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> // limit can make sure that we will not fetch all the data at once, so the test sill works.<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> int scannerCount = scanner.next().rawCells().length;<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> Delete delete1 = new Delete(rows[0]);<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> delete1.addColumn(families[0], qualifiers[0], 0);<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> tmpTable.delete(delete1);<a name="line.720"></a> |
| <span class="sourceLineNo">721</span><a name="line.721"></a> |
| <span class="sourceLineNo">722</span> Delete delete2 = new Delete(rows[1]);<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> delete2.addColumn(families[1], qualifiers[1], 1);<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> tmpTable.delete(delete2);<a name="line.724"></a> |
| <span class="sourceLineNo">725</span><a name="line.725"></a> |
| <span class="sourceLineNo">726</span> // Should see all cells because scanner was opened prior to deletes<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> scannerCount += countCellsFromScanner(scanner);<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> int expectedCount = numRows * numFamilies * numQualifiers;<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> assertTrue("scannerCount: " + scannerCount + " expectedCount: " + expectedCount,<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> scannerCount == expectedCount);<a name="line.730"></a> |
| <span class="sourceLineNo">731</span><a name="line.731"></a> |
| <span class="sourceLineNo">732</span> // Minus 2 for the two cells that were deleted<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> scanner = tmpTable.getScanner(new Scan().setMaxResultSize(1).setAllowPartialResults(true));<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> scannerCount = countCellsFromScanner(scanner);<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> expectedCount = numRows * numFamilies * numQualifiers - 2;<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> assertTrue("scannerCount: " + scannerCount + " expectedCount: " + expectedCount,<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> scannerCount == expectedCount);<a name="line.737"></a> |
| <span class="sourceLineNo">738</span><a name="line.738"></a> |
| <span class="sourceLineNo">739</span> scanner = tmpTable.getScanner(new Scan().setMaxResultSize(1).setAllowPartialResults(true));<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> scannerCount = scanner.next().rawCells().length;<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> // Put in 2 new rows. The timestamps differ from the deleted rows<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> Put put1 = new Put(rows[0]);<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> put1.add(new KeyValue(rows[0], families[0], qualifiers[0], 1, value));<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> tmpTable.put(put1);<a name="line.744"></a> |
| <span class="sourceLineNo">745</span><a name="line.745"></a> |
| <span class="sourceLineNo">746</span> Put put2 = new Put(rows[1]);<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> put2.add(new KeyValue(rows[1], families[1], qualifiers[1], 2, value));<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> tmpTable.put(put2);<a name="line.748"></a> |
| <span class="sourceLineNo">749</span><a name="line.749"></a> |
| <span class="sourceLineNo">750</span> // Scanner opened prior to puts. Cell count shouldn't have changed<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> scannerCount += countCellsFromScanner(scanner);<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> expectedCount = numRows * numFamilies * numQualifiers - 2;<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> assertTrue("scannerCount: " + scannerCount + " expectedCount: " + expectedCount,<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> scannerCount == expectedCount);<a name="line.754"></a> |
| <span class="sourceLineNo">755</span><a name="line.755"></a> |
| <span class="sourceLineNo">756</span> // Now the scanner should see the cells that were added by puts<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> scanner = tmpTable.getScanner(new Scan().setMaxResultSize(1).setAllowPartialResults(true));<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> scannerCount = countCellsFromScanner(scanner);<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> expectedCount = numRows * numFamilies * numQualifiers;<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> assertTrue("scannerCount: " + scannerCount + " expectedCount: " + expectedCount,<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> scannerCount == expectedCount);<a name="line.761"></a> |
| <span class="sourceLineNo">762</span><a name="line.762"></a> |
| <span class="sourceLineNo">763</span> TEST_UTIL.deleteTable(tableName);<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> }<a name="line.764"></a> |
| <span class="sourceLineNo">765</span><a name="line.765"></a> |
| <span class="sourceLineNo">766</span> /**<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> * Exhausts the scanner by calling next repetitively. Once completely exhausted, close scanner and<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> * return total cell count<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> * @param scanner the scanner to exhaust<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> * @return the number of cells counted<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> * @throws Exception if there is a problem retrieving cells from the scanner<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> */<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> private int countCellsFromScanner(ResultScanner scanner) throws Exception {<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> Result result = null;<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> int numCells = 0;<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> while ((result = scanner.next()) != null) {<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> numCells += result.rawCells().length;<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> }<a name="line.778"></a> |
| <span class="sourceLineNo">779</span><a name="line.779"></a> |
| <span class="sourceLineNo">780</span> scanner.close();<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> return numCells;<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span><a name="line.783"></a> |
| <span class="sourceLineNo">784</span> /**<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> * Test partial Result re-assembly in the presence of different filters. The Results from the<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> * partial scanner should match the Results returned from a scanner that receives all of the<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> * results in one RPC to the server. The partial scanner is tested with a variety of different<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> * result sizes (all of which are less than the size necessary to fetch an entire row)<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> * @throws Exception<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> */<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> @Test<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> public void testPartialResultsWithColumnFilter() throws Exception {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> testPartialResultsWithColumnFilter(new FirstKeyOnlyFilter());<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> testPartialResultsWithColumnFilter(new ColumnPrefixFilter(Bytes.toBytes("testQualifier5")));<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> testPartialResultsWithColumnFilter(new ColumnRangeFilter(Bytes.toBytes("testQualifer1"), true,<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> Bytes.toBytes("testQualifier7"), true));<a name="line.796"></a> |
| <span class="sourceLineNo">797</span><a name="line.797"></a> |
| <span class="sourceLineNo">798</span> Set<byte[]> qualifiers = new LinkedHashSet<>();<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> qualifiers.add(Bytes.toBytes("testQualifier5"));<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> testPartialResultsWithColumnFilter(new FirstKeyValueMatchingQualifiersFilter(qualifiers));<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> }<a name="line.801"></a> |
| <span class="sourceLineNo">802</span><a name="line.802"></a> |
| <span class="sourceLineNo">803</span> public void testPartialResultsWithColumnFilter(Filter filter) throws Exception {<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> assertTrue(!filter.hasFilterRow());<a name="line.804"></a> |
| <span class="sourceLineNo">805</span><a name="line.805"></a> |
| <span class="sourceLineNo">806</span> Scan partialScan = new Scan();<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> partialScan.setFilter(filter);<a name="line.807"></a> |
| <span class="sourceLineNo">808</span><a name="line.808"></a> |
| <span class="sourceLineNo">809</span> Scan oneshotScan = new Scan();<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> oneshotScan.setFilter(filter);<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> oneshotScan.setMaxResultSize(Long.MAX_VALUE);<a name="line.811"></a> |
| <span class="sourceLineNo">812</span><a name="line.812"></a> |
| <span class="sourceLineNo">813</span> for (int i = 1; i <= NUM_COLS; i++) {<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> partialScan.setMaxResultSize(getResultSizeForNumberOfCells(i));<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> testEquivalenceOfScanResults(TABLE, partialScan, oneshotScan);<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> }<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> }<a name="line.817"></a> |
| <span class="sourceLineNo">818</span><a name="line.818"></a> |
| <span class="sourceLineNo">819</span> private void moveRegion(Table table, int index) throws IOException{<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> List<Pair<RegionInfo, ServerName>> regions = MetaTableAccessor<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> .getTableRegionsAndLocations(TEST_UTIL.getConnection(),<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> table.getName());<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> assertEquals(1, regions.size());<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> RegionInfo regionInfo = regions.get(0).getFirst();<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> ServerName name = TEST_UTIL.getHBaseCluster().getRegionServer(index).getServerName();<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> TEST_UTIL.getAdmin().move(regionInfo.getEncodedNameAsBytes(), name);<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> }<a name="line.827"></a> |
| <span class="sourceLineNo">828</span><a name="line.828"></a> |
| <span class="sourceLineNo">829</span> private void assertCell(Cell cell, byte[] row, byte[] cf, byte[] cq) {<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> assertArrayEquals(row,<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> Bytes.copy(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()));<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> assertArrayEquals(cf,<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> Bytes.copy(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength()));<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> assertArrayEquals(cq,<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> Bytes.copy(cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength()));<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> }<a name="line.836"></a> |
| <span class="sourceLineNo">837</span><a name="line.837"></a> |
| <span class="sourceLineNo">838</span> @Test<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> public void testPartialResultWhenRegionMove() throws IOException {<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()),<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> ROWS, FAMILIES, QUALIFIERS, VALUE);<a name="line.841"></a> |
| <span class="sourceLineNo">842</span><a name="line.842"></a> |
| <span class="sourceLineNo">843</span> moveRegion(table, 1);<a name="line.843"></a> |
| <span class="sourceLineNo">844</span><a name="line.844"></a> |
| <span class="sourceLineNo">845</span> Scan scan = new Scan();<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> scan.setMaxResultSize(1);<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> scan.setAllowPartialResults(true);<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> ResultScanner scanner = table.getScanner(scan);<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> for (int i = 0; i < NUM_FAMILIES * NUM_QUALIFIERS - 1; i++) {<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> scanner.next();<a name="line.850"></a> |
| <span class="sourceLineNo">851</span> }<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> Result result1 = scanner.next();<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> assertEquals(1, result1.rawCells().length);<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> Cell c1 = result1.rawCells()[0];<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> assertCell(c1, ROWS[0], FAMILIES[NUM_FAMILIES - 1], QUALIFIERS[NUM_QUALIFIERS - 1]);<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> assertFalse(result1.mayHaveMoreCellsInRow());<a name="line.856"></a> |
| <span class="sourceLineNo">857</span><a name="line.857"></a> |
| <span class="sourceLineNo">858</span> moveRegion(table, 2);<a name="line.858"></a> |
| <span class="sourceLineNo">859</span><a name="line.859"></a> |
| <span class="sourceLineNo">860</span> Result result2 = scanner.next();<a name="line.860"></a> |
| <span class="sourceLineNo">861</span> assertEquals(1, result2.rawCells().length);<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> Cell c2 = result2.rawCells()[0];<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> assertCell(c2, ROWS[1], FAMILIES[0], QUALIFIERS[0]);<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> assertTrue(result2.mayHaveMoreCellsInRow());<a name="line.864"></a> |
| <span class="sourceLineNo">865</span><a name="line.865"></a> |
| <span class="sourceLineNo">866</span> moveRegion(table, 3);<a name="line.866"></a> |
| <span class="sourceLineNo">867</span><a name="line.867"></a> |
| <span class="sourceLineNo">868</span> Result result3 = scanner.next();<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> assertEquals(1, result3.rawCells().length);<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> Cell c3 = result3.rawCells()[0];<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> assertCell(c3, ROWS[1], FAMILIES[0], QUALIFIERS[1]);<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> assertTrue(result3.mayHaveMoreCellsInRow());<a name="line.872"></a> |
| <span class="sourceLineNo">873</span><a name="line.873"></a> |
| <span class="sourceLineNo">874</span> }<a name="line.874"></a> |
| <span class="sourceLineNo">875</span><a name="line.875"></a> |
| <span class="sourceLineNo">876</span> @Test<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> public void testReversedPartialResultWhenRegionMove() throws IOException {<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()),<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> ROWS, FAMILIES, QUALIFIERS, VALUE);<a name="line.879"></a> |
| <span class="sourceLineNo">880</span><a name="line.880"></a> |
| <span class="sourceLineNo">881</span> moveRegion(table, 1);<a name="line.881"></a> |
| <span class="sourceLineNo">882</span><a name="line.882"></a> |
| <span class="sourceLineNo">883</span> Scan scan = new Scan();<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> scan.setMaxResultSize(1);<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> scan.setAllowPartialResults(true);<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> scan.setReversed(true);<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> ResultScanner scanner = table.getScanner(scan);<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> for (int i = 0; i < NUM_FAMILIES * NUM_QUALIFIERS-1; i++) {<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> scanner.next();<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> }<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> Result result1 = scanner.next();<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> assertEquals(1, result1.rawCells().length);<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> Cell c1 = result1.rawCells()[0];<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> assertCell(c1, ROWS[NUM_ROWS-1], FAMILIES[NUM_FAMILIES - 1], QUALIFIERS[NUM_QUALIFIERS - 1]);<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> assertFalse(result1.mayHaveMoreCellsInRow());<a name="line.895"></a> |
| <span class="sourceLineNo">896</span><a name="line.896"></a> |
| <span class="sourceLineNo">897</span> moveRegion(table, 2);<a name="line.897"></a> |
| <span class="sourceLineNo">898</span><a name="line.898"></a> |
| <span class="sourceLineNo">899</span> Result result2 = scanner.next();<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> assertEquals(1, result2.rawCells().length);<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> Cell c2 = result2.rawCells()[0];<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> assertCell(c2, ROWS[NUM_ROWS-2], FAMILIES[0], QUALIFIERS[0]);<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> assertTrue(result2.mayHaveMoreCellsInRow());<a name="line.903"></a> |
| <span class="sourceLineNo">904</span><a name="line.904"></a> |
| <span class="sourceLineNo">905</span> moveRegion(table, 3);<a name="line.905"></a> |
| <span class="sourceLineNo">906</span><a name="line.906"></a> |
| <span class="sourceLineNo">907</span> Result result3 = scanner.next();<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> assertEquals(1, result3.rawCells().length);<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> Cell c3 = result3.rawCells()[0];<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> assertCell(c3, ROWS[NUM_ROWS-2], FAMILIES[0], QUALIFIERS[1]);<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> assertTrue(result3.mayHaveMoreCellsInRow());<a name="line.911"></a> |
| <span class="sourceLineNo">912</span><a name="line.912"></a> |
| <span class="sourceLineNo">913</span> }<a name="line.913"></a> |
| <span class="sourceLineNo">914</span><a name="line.914"></a> |
| <span class="sourceLineNo">915</span> @Test<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> public void testCompleteResultWhenRegionMove() throws IOException {<a name="line.916"></a> |
| <span class="sourceLineNo">917</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()),<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> ROWS, FAMILIES, QUALIFIERS, VALUE);<a name="line.918"></a> |
| <span class="sourceLineNo">919</span><a name="line.919"></a> |
| <span class="sourceLineNo">920</span> moveRegion(table, 1);<a name="line.920"></a> |
| <span class="sourceLineNo">921</span><a name="line.921"></a> |
| <span class="sourceLineNo">922</span> Scan scan = new Scan();<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> scan.setMaxResultSize(1);<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> scan.setCaching(1);<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> ResultScanner scanner = table.getScanner(scan);<a name="line.925"></a> |
| <span class="sourceLineNo">926</span><a name="line.926"></a> |
| <span class="sourceLineNo">927</span> Result result1 = scanner.next();<a name="line.927"></a> |
| <span class="sourceLineNo">928</span> assertEquals(NUM_FAMILIES * NUM_QUALIFIERS, result1.rawCells().length);<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> Cell c1 = result1.rawCells()[0];<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> assertCell(c1, ROWS[0], FAMILIES[0], QUALIFIERS[0]);<a name="line.930"></a> |
| <span class="sourceLineNo">931</span> assertFalse(result1.mayHaveMoreCellsInRow());<a name="line.931"></a> |
| <span class="sourceLineNo">932</span><a name="line.932"></a> |
| <span class="sourceLineNo">933</span> moveRegion(table, 2);<a name="line.933"></a> |
| <span class="sourceLineNo">934</span><a name="line.934"></a> |
| <span class="sourceLineNo">935</span> Result result2 = scanner.next();<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> assertEquals(NUM_FAMILIES * NUM_QUALIFIERS, result2.rawCells().length);<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> Cell c2 = result2.rawCells()[0];<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> assertCell(c2, ROWS[1], FAMILIES[0], QUALIFIERS[0]);<a name="line.938"></a> |
| <span class="sourceLineNo">939</span> assertFalse(result2.mayHaveMoreCellsInRow());<a name="line.939"></a> |
| <span class="sourceLineNo">940</span><a name="line.940"></a> |
| <span class="sourceLineNo">941</span> moveRegion(table, 3);<a name="line.941"></a> |
| <span class="sourceLineNo">942</span><a name="line.942"></a> |
| <span class="sourceLineNo">943</span> Result result3 = scanner.next();<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> assertEquals(NUM_FAMILIES * NUM_QUALIFIERS, result3.rawCells().length);<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> Cell c3 = result3.rawCells()[0];<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> assertCell(c3, ROWS[2], FAMILIES[0], QUALIFIERS[0]);<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> assertFalse(result3.mayHaveMoreCellsInRow());<a name="line.947"></a> |
| <span class="sourceLineNo">948</span><a name="line.948"></a> |
| <span class="sourceLineNo">949</span> }<a name="line.949"></a> |
| <span class="sourceLineNo">950</span><a name="line.950"></a> |
| <span class="sourceLineNo">951</span> @Test<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> public void testReversedCompleteResultWhenRegionMove() throws IOException {<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()),<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> ROWS, FAMILIES, QUALIFIERS, VALUE);<a name="line.954"></a> |
| <span class="sourceLineNo">955</span><a name="line.955"></a> |
| <span class="sourceLineNo">956</span> moveRegion(table, 1);<a name="line.956"></a> |
| <span class="sourceLineNo">957</span><a name="line.957"></a> |
| <span class="sourceLineNo">958</span> Scan scan = new Scan();<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> scan.setMaxResultSize(1);<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> scan.setCaching(1);<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> scan.setReversed(true);<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> ResultScanner scanner = table.getScanner(scan);<a name="line.962"></a> |
| <span class="sourceLineNo">963</span><a name="line.963"></a> |
| <span class="sourceLineNo">964</span> Result result1 = scanner.next();<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> assertEquals(NUM_FAMILIES*NUM_QUALIFIERS, result1.rawCells().length);<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> Cell c1 = result1.rawCells()[0];<a name="line.966"></a> |
| <span class="sourceLineNo">967</span> assertCell(c1, ROWS[NUM_ROWS-1], FAMILIES[0], QUALIFIERS[0]);<a name="line.967"></a> |
| <span class="sourceLineNo">968</span> assertFalse(result1.mayHaveMoreCellsInRow());<a name="line.968"></a> |
| <span class="sourceLineNo">969</span><a name="line.969"></a> |
| <span class="sourceLineNo">970</span> moveRegion(table, 2);<a name="line.970"></a> |
| <span class="sourceLineNo">971</span><a name="line.971"></a> |
| <span class="sourceLineNo">972</span> Result result2 = scanner.next();<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> assertEquals(NUM_FAMILIES*NUM_QUALIFIERS, result2.rawCells().length);<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> Cell c2 = result2.rawCells()[0];<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> assertCell(c2, ROWS[NUM_ROWS-2], FAMILIES[0], QUALIFIERS[0]);<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> assertFalse(result2.mayHaveMoreCellsInRow());<a name="line.976"></a> |
| <span class="sourceLineNo">977</span><a name="line.977"></a> |
| <span class="sourceLineNo">978</span> moveRegion(table, 3);<a name="line.978"></a> |
| <span class="sourceLineNo">979</span><a name="line.979"></a> |
| <span class="sourceLineNo">980</span> Result result3 = scanner.next();<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> assertEquals(NUM_FAMILIES*NUM_QUALIFIERS, result3.rawCells().length);<a name="line.981"></a> |
| <span class="sourceLineNo">982</span> Cell c3 = result3.rawCells()[0];<a name="line.982"></a> |
| <span class="sourceLineNo">983</span> assertCell(c3, ROWS[NUM_ROWS-3], FAMILIES[0], QUALIFIERS[0]);<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> assertFalse(result3.mayHaveMoreCellsInRow());<a name="line.984"></a> |
| <span class="sourceLineNo">985</span><a name="line.985"></a> |
| <span class="sourceLineNo">986</span> }<a name="line.986"></a> |
| <span class="sourceLineNo">987</span><a name="line.987"></a> |
| <span class="sourceLineNo">988</span> @Test<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> public void testBatchingResultWhenRegionMove() throws IOException {<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> // If user setBatch(5) and rpc returns 3+5+5+5+3 cells,<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> // we should return 5+5+5+5+1 to user.<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> // setBatch doesn't mean setAllowPartialResult(true)<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()), ROWS, FAMILIES,<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> QUALIFIERS, VALUE);<a name="line.994"></a> |
| <span class="sourceLineNo">995</span><a name="line.995"></a> |
| <span class="sourceLineNo">996</span> Put put = new Put(ROWS[1]);<a name="line.996"></a> |
| <span class="sourceLineNo">997</span> put.addColumn(FAMILIES[0], QUALIFIERS[1], new byte[VALUE_SIZE * 10]);<a name="line.997"></a> |
| <span class="sourceLineNo">998</span> table.put(put);<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> Delete delete = new Delete(ROWS[1]);<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> delete.addColumn(FAMILIES[NUM_FAMILIES - 1], QUALIFIERS[NUM_QUALIFIERS - 1]);<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> table.delete(delete);<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span><a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> moveRegion(table, 1);<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span><a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span> Scan scan = new Scan();<a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> scan.setCaching(1);<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> scan.setBatch(5);<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> scan.setMaxResultSize(VALUE_SIZE * 6);<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span><a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> ResultScanner scanner = table.getScanner(scan);<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> for (int i = 0; i < NUM_FAMILIES * NUM_QUALIFIERS / 5 - 1; i++) {<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> assertTrue(scanner.next().mayHaveMoreCellsInRow());<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> }<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> Result result1 = scanner.next();<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> assertEquals(5, result1.rawCells().length);<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> assertCell(result1.rawCells()[0], ROWS[0], FAMILIES[NUM_FAMILIES - 1],<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> QUALIFIERS[NUM_QUALIFIERS - 5]);<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> assertCell(result1.rawCells()[4], ROWS[0], FAMILIES[NUM_FAMILIES - 1],<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> QUALIFIERS[NUM_QUALIFIERS - 1]);<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> assertFalse(result1.mayHaveMoreCellsInRow());<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span><a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> moveRegion(table, 2);<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span><a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> Result result2 = scanner.next();<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span> assertEquals(5, result2.rawCells().length);<a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> assertCell(result2.rawCells()[0], ROWS[1], FAMILIES[0], QUALIFIERS[0]);<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> assertCell(result2.rawCells()[4], ROWS[1], FAMILIES[0], QUALIFIERS[4]);<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> assertTrue(result2.mayHaveMoreCellsInRow());<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span><a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> moveRegion(table, 3);<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span><a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> Result result3 = scanner.next();<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> assertEquals(5, result3.rawCells().length);<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> assertCell(result3.rawCells()[0], ROWS[1], FAMILIES[0], QUALIFIERS[5]);<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> assertCell(result3.rawCells()[4], ROWS[1], FAMILIES[0], QUALIFIERS[9]);<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> assertTrue(result3.mayHaveMoreCellsInRow());<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span><a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> for (int i = 0; i < NUM_FAMILIES * NUM_QUALIFIERS / 5 - 3; i++) {<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span> Result result = scanner.next();<a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span> assertEquals(5, result.rawCells().length);<a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> assertTrue(result.mayHaveMoreCellsInRow());<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> }<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> Result result = scanner.next();<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> assertEquals(4, result.rawCells().length);<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> assertFalse(result.mayHaveMoreCellsInRow());<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span><a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span><a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> for (int i = 2; i < NUM_ROWS; i++) {<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> for (int j = 0; j < NUM_FAMILIES; j++) {<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> for (int k = 0; k < NUM_QUALIFIERS; k += 5) {<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> result = scanner.next();<a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> assertCell(result.rawCells()[0], ROWS[i], FAMILIES[j], QUALIFIERS[k]);<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> assertEquals(5, result.rawCells().length);<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span> if (j == NUM_FAMILIES - 1 && k == NUM_QUALIFIERS - 5) {<a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> assertFalse(result.mayHaveMoreCellsInRow());<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> } else {<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> assertTrue(result.mayHaveMoreCellsInRow());<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> }<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> }<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> }<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> }<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span> assertNull(scanner.next());<a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> }<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span><a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> @Test<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> public void testDontThrowUnknowScannerExceptionToClient() throws Exception {<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()), ROWS, FAMILIES,<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> QUALIFIERS, VALUE);<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span> Scan scan = new Scan();<a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> scan.setCaching(1);<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span> ResultScanner scanner = table.getScanner(scan);<a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> scanner.next();<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> Thread.sleep(timeout * 2);<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span> int count = 1;<a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> while (scanner.next() != null) {<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span> count++;<a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> }<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> assertEquals(NUM_ROWS, count);<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> scanner.close();<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> }<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span><a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> @Test<a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> public void testMayHaveMoreCellsInRowReturnsTrueAndSetBatch() throws IOException {<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> Table table = createTestTable(TableName.valueOf(name.getMethodName()), ROWS, FAMILIES,<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> QUALIFIERS, VALUE);<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span> Scan scan = new Scan();<a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> scan.setBatch(1);<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> scan.setFilter(new FirstKeyOnlyFilter());<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> ResultScanner scanner = table.getScanner(scan);<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> Result result;<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> while ((result = scanner.next()) != null) {<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> assertTrue(result.rawCells() != null);<a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> assertEquals(1, result.rawCells().length);<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> }<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> }<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span><a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span>}<a name="line.1097"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
