[GitHub] [iceberg] dixingxing0 commented on a change in pull request #2075: Avoid reset hive configuration to default value.

[GitBox <gi...@apache.org>]

dixingxing0 commented on a change in pull request #2075:
URL: https://github.com/apache/iceberg/pull/2075#discussion_r592866290



##########
File path: hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveClientPool.java
##########
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.iceberg.hive;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestHiveClientPool {
+
+  private static final String HIVE_SITE_CONTENT = "<?xml version=\"1.0\"?>\n" +
+          "<?xml-stylesheet type=\"text/xsl\" href=\"configuration.xsl\"?>\n" +
+          "<configuration>\n" +
+          "  <property>\n" +
+          "    <name>hive.metastore.sasl.enabled</name>\n" +
+          "    <value>true</value>\n" +
+          "  </property>\n" +
+          "</configuration>\n";
+
+  @Test
+  public void testConf() {
+    HiveConf conf = createHiveConf();
+    conf.set(HiveConf.ConfVars.METASTOREURIS.varname, "thrift://locahost:12345");
+    conf.set(HiveConf.ConfVars.METASTOREWAREHOUSE.varname, "file:/mywarehouse/");
+    conf.setInt("iceberg.hive.client-pool-size", 10);
+
+    HiveClientPool clientPool = new HiveClientPool(conf);
+    HiveConf clientConf = clientPool.hiveConf();
+
+    // hive will pick up system property whenever a new HiveConf is created
+    // see org.apache.iceberg.hive.TestHiveMetastore.start(int)
+    if (System.getProperty(HiveConf.ConfVars.METASTOREURIS.varname) != null) {
+      Assert.assertEquals(System.getProperty(HiveConf.ConfVars.METASTOREURIS.varname),
+              clientConf.get(HiveConf.ConfVars.METASTOREURIS.varname));
+    } else {
+      Assert.assertEquals(conf.get(HiveConf.ConfVars.METASTOREURIS.varname),
+              clientConf.get(HiveConf.ConfVars.METASTOREURIS.varname));
+    }

Review comment:
       Thanks peter, this test branch lead misunderstanding, it's totaly has nothing to do with this PR, i will delete it. 




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