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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.master;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertFalse;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertThrows;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.NamespaceDescriptor;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.StartTestingClusterOption;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.master.procedure.AbstractStateMachineNamespaceProcedure;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.master.procedure.TableProcedureInterface;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.procedure2.Procedure;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.FSTableDescriptors;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.AfterClass;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.ClassRule;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Test;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60">/**</span> |
| <span class="source-line-no">061</span><span id="line-61"> * Testcase for HBASE-21154.</span> |
| <span class="source-line-no">062</span><span id="line-62"> */</span> |
| <span class="source-line-no">063</span><span id="line-63">@Category({ MasterTests.class, LargeTests.class })</span> |
| <span class="source-line-no">064</span><span id="line-64">public class TestMigrateNamespaceTable {</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @ClassRule</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">068</span><span id="line-68"> HBaseClassTestRule.forClass(TestMigrateNamespaceTable.class);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> private static volatile boolean CONTINUE = false;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> // used to halt the migration procedure</span> |
| <span class="source-line-no">075</span><span id="line-75"> public static final class SuspendProcedure extends Procedure<MasterProcedureEnv></span> |
| <span class="source-line-no">076</span><span id="line-76"> implements TableProcedureInterface {</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> @Override</span> |
| <span class="source-line-no">079</span><span id="line-79"> public TableName getTableName() {</span> |
| <span class="source-line-no">080</span><span id="line-80"> return TableName.META_TABLE_NAME;</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @Override</span> |
| <span class="source-line-no">084</span><span id="line-84"> public TableOperationType getTableOperationType() {</span> |
| <span class="source-line-no">085</span><span id="line-85"> return TableOperationType.CREATE;</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> @Override</span> |
| <span class="source-line-no">089</span><span id="line-89"> protected LockState acquireLock(final MasterProcedureEnv env) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> if (env.getProcedureScheduler().waitTableExclusiveLock(this, getTableName())) {</span> |
| <span class="source-line-no">091</span><span id="line-91"> return LockState.LOCK_EVENT_WAIT;</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"> return LockState.LOCK_ACQUIRED;</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> @Override</span> |
| <span class="source-line-no">097</span><span id="line-97"> protected void releaseLock(final MasterProcedureEnv env) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> env.getProcedureScheduler().wakeTableExclusiveLock(this, getTableName());</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @Override</span> |
| <span class="source-line-no">102</span><span id="line-102"> protected boolean holdLock(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> return true;</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> @Override</span> |
| <span class="source-line-no">107</span><span id="line-107"> protected Procedure<MasterProcedureEnv>[] execute(MasterProcedureEnv env)</span> |
| <span class="source-line-no">108</span><span id="line-108"> throws ProcedureYieldException, ProcedureSuspendedException, InterruptedException {</span> |
| <span class="source-line-no">109</span><span id="line-109"> if (CONTINUE) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> return null;</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"> throw suspend(1000, true);</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> @Override</span> |
| <span class="source-line-no">116</span><span id="line-116"> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> setState(ProcedureProtos.ProcedureState.RUNNABLE);</span> |
| <span class="source-line-no">118</span><span id="line-118"> env.getProcedureScheduler().addFront(this);</span> |
| <span class="source-line-no">119</span><span id="line-119"> return false;</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> @Override</span> |
| <span class="source-line-no">123</span><span id="line-123"> protected void rollback(MasterProcedureEnv env) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">124</span><span id="line-124"> throw new UnsupportedOperationException();</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> @Override</span> |
| <span class="source-line-no">128</span><span id="line-128"> protected boolean abort(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> return true;</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> @Override</span> |
| <span class="source-line-no">133</span><span id="line-133"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> @Override</span> |
| <span class="source-line-no">137</span><span id="line-137"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> @BeforeClass</span> |
| <span class="source-line-no">142</span><span id="line-142"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">143</span><span id="line-143"> StartTestingClusterOption option = StartTestingClusterOption.builder().numMasters(1)</span> |
| <span class="source-line-no">144</span><span id="line-144"> .numAlwaysStandByMasters(1).numRegionServers(1).build();</span> |
| <span class="source-line-no">145</span><span id="line-145"> UTIL.startMiniCluster(option);</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> @AfterClass</span> |
| <span class="source-line-no">149</span><span id="line-149"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">150</span><span id="line-150"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> // simulate upgrading scenario, where we do not have the ns family</span> |
| <span class="source-line-no">154</span><span id="line-154"> private void removeNamespaceFamily() throws IOException {</span> |
| <span class="source-line-no">155</span><span id="line-155"> FileSystem fs = UTIL.getTestFileSystem();</span> |
| <span class="source-line-no">156</span><span id="line-156"> Path rootDir = CommonFSUtils.getRootDir(UTIL.getConfiguration());</span> |
| <span class="source-line-no">157</span><span id="line-157"> Path tableDir = CommonFSUtils.getTableDir(rootDir, TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">158</span><span id="line-158"> TableDescriptor metaTableDesc = FSTableDescriptors.getTableDescriptorFromFs(fs, tableDir);</span> |
| <span class="source-line-no">159</span><span id="line-159"> TableDescriptor noNsMetaTableDesc = TableDescriptorBuilder.newBuilder(metaTableDesc)</span> |
| <span class="source-line-no">160</span><span id="line-160"> .removeColumnFamily(HConstants.NAMESPACE_FAMILY).build();</span> |
| <span class="source-line-no">161</span><span id="line-161"> FSTableDescriptors.createTableDescriptorForTableDirectory(fs, tableDir, noNsMetaTableDesc,</span> |
| <span class="source-line-no">162</span><span id="line-162"> true);</span> |
| <span class="source-line-no">163</span><span id="line-163"> for (FileStatus status : fs.listStatus(tableDir)) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> if (!status.isDirectory()) {</span> |
| <span class="source-line-no">165</span><span id="line-165"> continue;</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"> Path familyPath = new Path(status.getPath(), HConstants.NAMESPACE_FAMILY_STR);</span> |
| <span class="source-line-no">168</span><span id="line-168"> fs.delete(familyPath, true);</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</span> |
| <span class="source-line-no">171</span><span id="line-171"></span> |
| <span class="source-line-no">172</span><span id="line-172"> private void addNamespace(Table table, NamespaceDescriptor nd) throws IOException {</span> |
| <span class="source-line-no">173</span><span id="line-173"> table.put(new Put(Bytes.toBytes(nd.getName())).addColumn(</span> |
| <span class="source-line-no">174</span><span id="line-174"> TableDescriptorBuilder.NAMESPACE_FAMILY_INFO_BYTES,</span> |
| <span class="source-line-no">175</span><span id="line-175"> TableDescriptorBuilder.NAMESPACE_COL_DESC_BYTES,</span> |
| <span class="source-line-no">176</span><span id="line-176"> ProtobufUtil.toProtoNamespaceDescriptor(nd).toByteArray()));</span> |
| <span class="source-line-no">177</span><span id="line-177"> }</span> |
| <span class="source-line-no">178</span><span id="line-178"></span> |
| <span class="source-line-no">179</span><span id="line-179"> @Test</span> |
| <span class="source-line-no">180</span><span id="line-180"> public void testMigrate() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">181</span><span id="line-181"> UTIL.getAdmin().createTable(TableDescriptorBuilder.NAMESPACE_TABLEDESC);</span> |
| <span class="source-line-no">182</span><span id="line-182"> try (Table table = UTIL.getConnection().getTable(TableName.NAMESPACE_TABLE_NAME)) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> for (int i = 0; i < 5; i++) {</span> |
| <span class="source-line-no">184</span><span id="line-184"> NamespaceDescriptor nd = NamespaceDescriptor.create("Test-NS-" + i)</span> |
| <span class="source-line-no">185</span><span id="line-185"> .addConfiguration("key-" + i, "value-" + i).build();</span> |
| <span class="source-line-no">186</span><span id="line-186"> addNamespace(table, nd);</span> |
| <span class="source-line-no">187</span><span id="line-187"> AbstractStateMachineNamespaceProcedure</span> |
| <span class="source-line-no">188</span><span id="line-188"> .createDirectory(UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem(), nd);</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> // add default and system</span> |
| <span class="source-line-no">191</span><span id="line-191"> addNamespace(table, NamespaceDescriptor.DEFAULT_NAMESPACE);</span> |
| <span class="source-line-no">192</span><span id="line-192"> addNamespace(table, NamespaceDescriptor.SYSTEM_NAMESPACE);</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> MasterThread masterThread = UTIL.getMiniHBaseCluster().getMasterThread();</span> |
| <span class="source-line-no">195</span><span id="line-195"> masterThread.getMaster().getMasterProcedureExecutor().submitProcedure(new SuspendProcedure());</span> |
| <span class="source-line-no">196</span><span id="line-196"> masterThread.getMaster().stop("For testing");</span> |
| <span class="source-line-no">197</span><span id="line-197"> masterThread.join();</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> removeNamespaceFamily();</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> UTIL.getMiniHBaseCluster().startMaster();</span> |
| <span class="source-line-no">202</span><span id="line-202"></span> |
| <span class="source-line-no">203</span><span id="line-203"> // 5 + default and system('hbase')</span> |
| <span class="source-line-no">204</span><span id="line-204"> assertEquals(7, UTIL.getAdmin().listNamespaceDescriptors().length);</span> |
| <span class="source-line-no">205</span><span id="line-205"> for (int i = 0; i < 5; i++) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> NamespaceDescriptor nd = UTIL.getAdmin().getNamespaceDescriptor("Test-NS-" + i);</span> |
| <span class="source-line-no">207</span><span id="line-207"> assertEquals("Test-NS-" + i, nd.getName());</span> |
| <span class="source-line-no">208</span><span id="line-208"> assertEquals(1, nd.getConfiguration().size());</span> |
| <span class="source-line-no">209</span><span id="line-209"> assertEquals("value-" + i, nd.getConfigurationValue("key-" + i));</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211"> // before migration done, modification on the namespace is not supported</span> |
| <span class="source-line-no">212</span><span id="line-212"> TableNamespaceManager tableNsMgr =</span> |
| <span class="source-line-no">213</span><span id="line-213"> UTIL.getMiniHBaseCluster().getMaster().getClusterSchema().getTableNamespaceManager();</span> |
| <span class="source-line-no">214</span><span id="line-214"> assertThrows(IOException.class, () -> tableNsMgr.deleteNamespace("Test-NS-0"));</span> |
| <span class="source-line-no">215</span><span id="line-215"> assertThrows(IOException.class,</span> |
| <span class="source-line-no">216</span><span id="line-216"> () -> tableNsMgr.addOrUpdateNamespace(NamespaceDescriptor.create("NNN").build()));</span> |
| <span class="source-line-no">217</span><span id="line-217"> CONTINUE = true;</span> |
| <span class="source-line-no">218</span><span id="line-218"> UTIL.waitFor(30000, () -> UTIL.getAdmin().isTableDisabled(TableName.NAMESPACE_TABLE_NAME));</span> |
| <span class="source-line-no">219</span><span id="line-219"> // this time it is allowed to change the namespace</span> |
| <span class="source-line-no">220</span><span id="line-220"> UTIL.getAdmin().createNamespace(NamespaceDescriptor.create("NNN").build());</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> masterThread = UTIL.getMiniHBaseCluster().getMasterThread();</span> |
| <span class="source-line-no">223</span><span id="line-223"> masterThread.getMaster().stop("For testing");</span> |
| <span class="source-line-no">224</span><span id="line-224"> masterThread.join();</span> |
| <span class="source-line-no">225</span><span id="line-225"> UTIL.getMiniHBaseCluster().startMaster();</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> // make sure that we could still restart the cluster after disabling the namespace table.</span> |
| <span class="source-line-no">228</span><span id="line-228"> assertEquals(8, UTIL.getAdmin().listNamespaceDescriptors().length);</span> |
| <span class="source-line-no">229</span><span id="line-229"></span> |
| <span class="source-line-no">230</span><span id="line-230"> // let's delete the namespace table</span> |
| <span class="source-line-no">231</span><span id="line-231"> UTIL.getAdmin().deleteTable(TableName.NAMESPACE_TABLE_NAME);</span> |
| <span class="source-line-no">232</span><span id="line-232"> assertFalse(UTIL.getAdmin().tableExists(TableName.NAMESPACE_TABLE_NAME));</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
