swaroopak commented on a change in pull request #520: PHOENIX-5333: A tool to 
upgrade existing tables/indexes to use self-c…
URL: https://github.com/apache/phoenix/pull/520#discussion_r296065735
 
 

 ##########
 File path: 
phoenix-core/src/it/java/org/apache/phoenix/end2end/IndexUpgradeToolIT.java
 ##########
 @@ -0,0 +1,506 @@
+package org.apache.phoenix.end2end;
+
+import com.google.common.collect.Maps;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.TableNotFoundException;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Table;
+import org.apache.phoenix.hbase.index.IndexRegionObserver;
+import org.apache.phoenix.hbase.index.Indexer;
+import org.apache.phoenix.index.GlobalIndexChecker;
+import org.apache.phoenix.jdbc.PhoenixConnection;
+import org.apache.phoenix.mapreduce.index.IndexUpgradeTool;
+import org.apache.phoenix.query.BaseTest;
+import org.apache.phoenix.query.ConnectionQueryServices;
+import org.apache.phoenix.query.QueryServices;
+import org.apache.phoenix.query.QueryServicesOptions;
+import org.apache.phoenix.util.PropertiesUtil;
+import org.apache.phoenix.util.ReadOnlyProps;
+import org.apache.phoenix.util.SchemaUtil;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runners.Parameterized;
+
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Properties;
+import java.util.UUID;
+
+@RunWith(Parameterized.class)
+@Category(NeedsOwnMiniClusterTest.class)
+public class IndexUpgradeToolIT extends BaseTest {
+
+    private final boolean mutable;
+    private final boolean upgrade;
+    private StringBuilder optionsBuilder;
+    private String tableDDLOptions;
+
+    private static Map<String, String> serverProps = 
Maps.newHashMapWithExpectedSize(1), clientProps = 
Maps.newHashMapWithExpectedSize(1);
+
+    private String [] indexesList = {"TEST.INDEX1", "TEST.INDEX2", 
"TEST1.INDEX3","TEST1.INDEX2","TEST1.INDEX1","TEST.INDEX3"};
+    private String [] tableList = {"TEST.MOCK1","TEST1.MOCK2","TEST.MOCK3"};
+
+    private String inputList = 
"TEST.MOCK1:INDEX1,INDEX2;TEST1.MOCK2:INDEX3,INDEX2,INDEX1;TEST.MOCK3:INDEX3";
+
+
+    @Before
+    public void setup () throws Exception {
+        optionsBuilder = new StringBuilder();
+
+        if (upgrade) {
+            if 
((Boolean.TRUE.toString()).equals(clientProps.get(QueryServices.INDEX_REGION_OBSERVER_ENABLED_ATTRIB)))
 {
+                tearDownMiniClusterAsync(1);
+            }
+            
clientProps.put(QueryServices.INDEX_REGION_OBSERVER_ENABLED_ATTRIB, 
Boolean.FALSE.toString());
+        } else {
+            if 
((Boolean.FALSE.toString()).equals(clientProps.get(QueryServices.INDEX_REGION_OBSERVER_ENABLED_ATTRIB)))
 {
+                tearDownMiniClusterAsync(1);
 
 Review comment:
   The driver is created using client properties which are changing in this 
case, hence I 'll have to tear down the cluster used in rollback before moving 
on to upgrade scenario. 

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