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From alejan...@apache.org
Subject [2/2] ambari git commit: AMBARI-10190. Full Delete of Host : Add host_id column to clusterhostmapping, and create initial UpgradeCatalog210 (alejandro)
Date Wed, 25 Mar 2015 07:28:22 GMT
AMBARI-10190. Full Delete of Host : Add host_id column to clusterhostmapping, and create initial UpgradeCatalog210 (alejandro)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/f73936a2
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/f73936a2
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/f73936a2

Branch: refs/heads/trunk
Commit: f73936a281896b82e89a64399f712d0e17142637
Parents: d83c14c
Author: Alejandro Fernandez <afernandez@hortonworks.com>
Authored: Thu Mar 19 10:36:36 2015 -0700
Committer: Alejandro Fernandez <afernandez@hortonworks.com>
Committed: Wed Mar 25 00:26:07 2015 -0700

----------------------------------------------------------------------
 .../ambari/server/agent/HeartBeatHandler.java   |   4 +-
 .../server/api/query/JpaPredicateVisitor.java   |  20 +-
 .../listeners/alerts/AlertReceivedListener.java |  13 +-
 .../apache/ambari/server/orm/dao/AlertsDAO.java |   1 -
 .../apache/ambari/server/orm/dao/HostDAO.java   |  19 +-
 .../ambari/server/orm/entities/HostEntity.java  |  34 ++-
 .../org/apache/ambari/server/state/Alert.java   |  16 +-
 .../server/upgrade/SchemaUpgradeHelper.java     |   1 +
 .../server/upgrade/UpgradeCatalog210.java       | 293 ++++++++++++++++++
 .../main/resources/Ambari-DDL-MySQL-CREATE.sql  |  44 ++-
 .../main/resources/Ambari-DDL-Oracle-CREATE.sql |  38 ++-
 .../resources/Ambari-DDL-Postgres-CREATE.sql    | 294 +++++++++++--------
 .../Ambari-DDL-Postgres-EMBEDDED-CREATE.sql     |  55 +++-
 .../resources/Ambari-DDL-SQLServer-CREATE.sql   |  52 +++-
 .../actionmanager/TestActionDBAccessorImpl.java |   2 +-
 .../state/alerts/AlertReceivedListenerTest.java |   2 +-
 .../server/upgrade/UpgradeCatalog210Test.java   | 148 ++++++++++
 17 files changed, 848 insertions(+), 188 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeatHandler.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeatHandler.java b/ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeatHandler.java
index 8833148..9f39049 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeatHandler.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/agent/HeartBeatHandler.java
@@ -293,8 +293,8 @@ public class HeartBeatHandler {
 
     if (null != heartbeat.getAlerts()) {
       for (Alert alert : heartbeat.getAlerts()) {
-        if (null == alert.getHost()) {
-          alert.setHost(hostname);
+        if (null == alert.getHostName()) {
+          alert.setHostName(hostname);
         }
 
         try {

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/api/query/JpaPredicateVisitor.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/api/query/JpaPredicateVisitor.java b/ambari-server/src/main/java/org/apache/ambari/server/api/query/JpaPredicateVisitor.java
index afbb3e2..75ca2d2 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/api/query/JpaPredicateVisitor.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/api/query/JpaPredicateVisitor.java
@@ -158,10 +158,12 @@ public abstract class JpaPredicateVisitor<T> implements PredicateVisitor {
     for (SingularAttribute<?, ?> singularAttribute : singularAttributes) {
       lastSingularAttribute = singularAttribute;
 
-      if (null == path) {
-        path = m_root.get(singularAttribute.getName());
-      } else {
-        path = path.get(singularAttribute.getName());
+      if (singularAttribute != null) {
+        if (null == path) {
+          path = m_root.get(singularAttribute.getName());
+        } else {
+          path = path.get(singularAttribute.getName());
+        }
       }
     }
 
@@ -173,10 +175,12 @@ public abstract class JpaPredicateVisitor<T> implements PredicateVisitor {
     Comparable<?> value = predicate.getValue();
 
     // convert string to enum for proper JPA comparisons
-    Class<?> clazz = lastSingularAttribute.getJavaType();
-    if (clazz.isEnum()) {
-      Class<? extends Enum> enumClass = (Class<? extends Enum>) clazz;
-      value = Enum.valueOf(enumClass, value.toString());
+    if (lastSingularAttribute != null) {
+      Class<?> clazz = lastSingularAttribute.getJavaType();
+      if (clazz.isEnum()) {
+        Class<? extends Enum> enumClass = (Class<? extends Enum>) clazz;
+        value = Enum.valueOf(enumClass, value.toString());
+      }
     }
 
     javax.persistence.criteria.Predicate jpaPredicate = null;

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java b/ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java
index 7248459..849c19a 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/events/listeners/alerts/AlertReceivedListener.java
@@ -41,6 +41,7 @@ import org.apache.ambari.server.state.Host;
 import org.apache.ambari.server.state.MaintenanceState;
 import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponentHost;
+import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -136,10 +137,10 @@ public class AlertReceivedListener {
 
     AlertCurrentEntity current = null;
 
-    if (null == alert.getHost() || definition.isHostIgnored()) {
+    if (StringUtils.isBlank(alert.getHostName()) || definition.isHostIgnored()) {
       current = m_alertsDao.findCurrentByNameNoHost(clusterId, alert.getName());
     } else {
-      current = m_alertsDao.findCurrentByHostAndName(clusterId, alert.getHost(),
+      current = m_alertsDao.findCurrentByHostAndName(clusterId, alert.getHostName(),
           alert.getName());
     }
 
@@ -221,7 +222,7 @@ public class AlertReceivedListener {
     String clusterName = alert.getCluster();
     String serviceName = alert.getService();
     String componentName = alert.getComponent();
-    String hostName = alert.getHost();
+    String hostName = alert.getHostName();
 
     // if the alert is not bound to a cluster, then it's most likely a
     // host alert and is always valid
@@ -260,7 +261,7 @@ public class AlertReceivedListener {
       return false;
     }
 
-    if (null != hostName) {
+    if (StringUtils.isNotBlank(hostName)) {
       List<Host> hosts = m_clusters.get().getHosts();
       if (null == hosts) {
         LOG.error("Unable to process alert {} for an invalid host named {}",
@@ -287,7 +288,7 @@ public class AlertReceivedListener {
 
     // if the alert is for a host/component then verify that the component
     // is actually installed on that host
-    if (null != hostName && null != componentName) {
+    if (StringUtils.isNotBlank(hostName) && null != componentName) {
       boolean validServiceComponentHost = false;
       List<ServiceComponentHost> serviceComponentHosts = cluster.getServiceComponentHosts(hostName);
 
@@ -338,7 +339,7 @@ public class AlertReceivedListener {
     if (definition.isHostIgnored()) {
       history.setHostName(null);
     } else {
-      history.setHostName(alert.getHost());
+      history.setHostName(alert.getHostName());
     }
 
     return history;

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java b/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java
index 5435982..fd63166 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/AlertsDAO.java
@@ -755,7 +755,6 @@ public class AlertsDAO {
    * Locate the current alert for the provided service and alert name, but when
    * host is not set ({@code IS NULL}).
    * @param clusterId the cluster id
-   * @param serviceName the service name
    * @param alertName the name of the alert
    * @return the current record, or {@code null} if not found
    */

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/HostDAO.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/HostDAO.java b/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/HostDAO.java
index 35c795b..0fb9c59 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/HostDAO.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/orm/dao/HostDAO.java
@@ -38,9 +38,26 @@ public class HostDAO {
   @Inject
   Provider<EntityManager> entityManagerProvider;
 
+  /**
+   * Looks for Host by ID
+   * @param id ID of Host
+   * @return Found entity or NULL
+   */
+  @RequiresSession
+  public HostEntity findById(long id) {
+    return entityManagerProvider.get().find(HostEntity.class, id);
+  }
+
   @RequiresSession
   public HostEntity findByName(String hostName) {
-    return entityManagerProvider.get().find(HostEntity.class, hostName);
+    TypedQuery<HostEntity> query = entityManagerProvider.get().createNamedQuery(
+        "HostEntity.findByHostName", HostEntity.class);
+    query.setParameter("hostName", hostName);
+    try {
+      return query.getSingleResult();
+    } catch (NoResultException ignored) {
+      return null;
+    }
   }
 
   @RequiresSession

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/orm/entities/HostEntity.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/orm/entities/HostEntity.java b/ambari-server/src/main/java/org/apache/ambari/server/orm/entities/HostEntity.java
index 3255e58..4df5f39 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/orm/entities/HostEntity.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/orm/entities/HostEntity.java
@@ -23,13 +23,18 @@ import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
 import javax.persistence.Lob;
 import javax.persistence.ManyToMany;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
 import javax.persistence.OneToMany;
 import javax.persistence.OneToOne;
+import javax.persistence.TableGenerator;
 import java.util.Collection;
 import java.util.Collections;
 
@@ -37,10 +42,24 @@ import static org.apache.commons.lang.StringUtils.defaultString;
 
 @javax.persistence.Table(name = "hosts")
 @Entity
+@TableGenerator(name = "host_id_generator",
+    table = "ambari_sequences", pkColumnName = "sequence_name", valueColumnName = "sequence_value"
+    , pkColumnValue = "host_id_seq"
+    , initialValue = 0
+    , allocationSize = 1
+)
+@NamedQueries({
+    @NamedQuery(name = "HostEntity.findByHostName", query = "SELECT host FROM HostEntity host WHERE host.hostName = :hostName"),
+})
 public class HostEntity implements Comparable<HostEntity> {
 
   @Id
-  @Column(name = "host_name", nullable = false, insertable = true, updatable = true)
+  @Column(name = "id", nullable = false, insertable = true, updatable = false)
+  @GeneratedValue(strategy = GenerationType.TABLE, generator = "host_id_generator")
+  private Long id;
+
+  @Column(name = "host_name", nullable = false, insertable = true, updatable = true, unique = true)
+  @Basic
   private String hostName;
 
   @Column(name = "ipv4", nullable = true, insertable = true, updatable = true)
@@ -114,7 +133,7 @@ public class HostEntity implements Comparable<HostEntity> {
 
   @ManyToMany
   @JoinTable(name = "ClusterHostMapping",
-      joinColumns = {@JoinColumn(name = "host_name", referencedColumnName = "host_name")},
+      joinColumns = {@JoinColumn(name = "host_id", referencedColumnName = "id")},
       inverseJoinColumns = {@JoinColumn(name = "cluster_id", referencedColumnName = "cluster_id")}
   )
   private Collection<ClusterEntity> clusterEntities;
@@ -124,7 +143,15 @@ public class HostEntity implements Comparable<HostEntity> {
 
   @OneToMany(mappedBy = "host", cascade = CascadeType.REMOVE)
   private Collection<HostRoleCommandEntity> hostRoleCommandEntities;
-  
+
+  public Long getId() {
+    return id;
+  }
+
+  public void setId(Long id) {
+    this.id = id;
+  }
+
   public String getHostName() {
     return hostName;
   }
@@ -360,5 +387,4 @@ public class HostEntity implements Comparable<HostEntity> {
   public void setHostVersionEntities(Collection<HostVersionEntity> hostVersionEntities) { 
     this.hostVersionEntities = hostVersionEntities;
   }
-
 }

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/state/Alert.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/state/Alert.java b/ambari-server/src/main/java/org/apache/ambari/server/state/Alert.java
index 3211cfc..be99d96 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/state/Alert.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/state/Alert.java
@@ -27,7 +27,7 @@ public class Alert {
   private String instance = null;
   private String service = null;
   private String component = null;
-  private String host = null;
+  private String hostName = null;
   private AlertState state = AlertState.UNKNOWN;
   private String label = null;
   private String text = null;
@@ -50,7 +50,7 @@ public class Alert {
     instance = alertInstance;
     service = serviceName;
     component = componentName;
-    host = hostName;
+    this.hostName = hostName;
     state = alertState;
   }
 
@@ -86,8 +86,8 @@ public class Alert {
    * @return the host
    */
   @JsonProperty("host")
-  public String getHost() {
-    return host;
+  public String getHostName() {
+    return hostName;
   }
 
   /**
@@ -156,8 +156,8 @@ public class Alert {
   }
 
   @JsonProperty("host")
-  public void setHost(String host) {
-    this.host = host;
+  public void setHostName(String hostName) {
+    this.hostName = hostName;
   }
 
   @JsonProperty("state")
@@ -217,7 +217,7 @@ public class Alert {
     int result = (null != name) ? name.hashCode() : 0;
     result += 31 * result + (null != service ? service.hashCode() : 0);
     result += 31 * result + (null != component ? component.hashCode() : 0);
-    result += 31 * result + (null != host ? host.hashCode() : 0);
+    result += 31 * result + (null != hostName ? hostName.hashCode() : 0);
 
     return result;
   }
@@ -242,7 +242,7 @@ public class Alert {
     sb.append("name=").append(name).append(", ");
     sb.append("service=").append(service).append(", ");
     sb.append("component=").append(component).append(", ");
-    sb.append("host=").append(host).append(", ");
+    sb.append("host=").append(hostName).append(", ");
     sb.append("instance=").append(instance).append(", ");
     sb.append("text='").append(text).append("'");
     sb.append('}');

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/upgrade/SchemaUpgradeHelper.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/upgrade/SchemaUpgradeHelper.java b/ambari-server/src/main/java/org/apache/ambari/server/upgrade/SchemaUpgradeHelper.java
index 5968b2f..3691af2 100644
--- a/ambari-server/src/main/java/org/apache/ambari/server/upgrade/SchemaUpgradeHelper.java
+++ b/ambari-server/src/main/java/org/apache/ambari/server/upgrade/SchemaUpgradeHelper.java
@@ -173,6 +173,7 @@ public class SchemaUpgradeHelper {
       catalogBinder.addBinding().to(UpgradeCatalog161.class);
       catalogBinder.addBinding().to(UpgradeCatalog170.class);
       catalogBinder.addBinding().to(UpgradeCatalog200.class);
+      catalogBinder.addBinding().to(UpgradeCatalog210.class);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog210.java
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog210.java b/ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog210.java
new file mode 100644
index 0000000..92f1dac
--- /dev/null
+++ b/ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog210.java
@@ -0,0 +1,293 @@
+/*
+ * 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.ambari.server.upgrade;
+
+import com.google.inject.Inject;
+import com.google.inject.Injector;
+import com.google.inject.persist.Transactional;
+import org.apache.ambari.server.AmbariException;
+import org.apache.ambari.server.configuration.Configuration;
+import org.apache.ambari.server.orm.DBAccessor.DBColumnInfo;
+import org.apache.ambari.server.orm.dao.HostDAO;
+import org.apache.ambari.server.orm.entities.HostEntity;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+
+/**
+ * Upgrade catalog for version 2.1.0.
+ */
+public class UpgradeCatalog210 extends AbstractUpgradeCatalog {
+
+  @Inject
+  HostDAO hostDAO;
+
+  private static final String CLUSTERS_TABLE = "clusters";
+  private static final String HOSTS_TABLE = "hosts";
+  private static final String HOST_COMPONENT_DESIRED_STATE_TABLE = "hostcomponentdesiredstate";
+  private static final String HOST_COMPONENT_STATE_TABLE = "hostcomponentstate";
+  private static final String HOST_STATE_TABLE = "hoststate";
+  private static final String HOST_VERSION_TABLE = "host_version";
+  private static final String HOST_ROLE_COMMAND_TABLE = "host_role_command";
+  private static final String HOST_CONFIG_MAPPING_TABLE = "hostconfigmapping";
+  private static final String CONFIG_GROUP_HOST_MAPPING_TABLE = "configgrouphostmapping";
+  private static final String KERBEROS_PRINCIPAL_HOST_TABLE = "kerberos_principal_host";
+  private static final String CLUSTER_HOST_MAPPING_TABLE = "ClusterHostMapping";
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  public String getSourceVersion() {
+    return "2.0.0";
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  public String getTargetVersion() {
+    return "2.1.0";
+  }
+
+  /**
+   * Logger.
+   */
+  private static final Logger LOG = LoggerFactory.getLogger
+      (UpgradeCatalog210.class);
+
+  // ----- Constructors ------------------------------------------------------
+
+  /**
+   * Don't forget to register new UpgradeCatalogs in {@link org.apache.ambari.server.upgrade.SchemaUpgradeHelper.UpgradeHelperModule#configure()}
+   * @param injector Guice injector to track dependencies and uses bindings to inject them.
+   */
+  @Inject
+  public UpgradeCatalog210(Injector injector) {
+    super(injector);
+    this.injector = injector;
+  }
+
+  // ----- AbstractUpgradeCatalog --------------------------------------------
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  protected void executeDDLUpdates() throws AmbariException, SQLException {
+    executeHostsDDLUpdates();
+  }
+
+  /**
+   * Execute all of the hosts DDL updates.
+   *
+   * @throws org.apache.ambari.server.AmbariException
+   * @throws java.sql.SQLException
+   */
+  private void executeHostsDDLUpdates() throws AmbariException, SQLException {
+    Configuration.DatabaseType databaseType = configuration.getDatabaseType();
+
+    dbAccessor.addColumn(HOSTS_TABLE, new DBColumnInfo("id", Long.class, null, null, true));
+
+    Long hostId = 0L;
+    ResultSet resultSet = null;
+    try {
+      resultSet = dbAccessor.executeSelect("SELECT host_name FROM hosts");
+      hostId = populateHostsId(resultSet);
+    } finally {
+      if (resultSet != null) {
+        resultSet.close();
+      }
+    }
+
+    // Insert host id number into ambari_sequences
+    dbAccessor.executeQuery("INSERT INTO ambari_sequences (sequence_name, sequence_value) VALUES ('host_id_seq', " + hostId + ")");
+    //dbAccessor.insertRow("ambari_sequences", new String[]{"sequence_name", "sequence_value"}, new String[]{"host_id_seq", hostId.toString()}, false);
+
+    // Make the hosts id non-null after all the values are populated
+    if (databaseType == Configuration.DatabaseType.DERBY) {
+      // This is a workaround for UpgradeTest.java unit test
+      dbAccessor.executeQuery("ALTER TABLE hosts ALTER column id NOT NULL");
+    } else {
+      dbAccessor.alterColumn("hosts", new DBColumnInfo("id", Long.class, null, null, false));
+      //dbAccessor.executeQuery("ALTER TABLE hosts ALTER column id SET NOT NULL");
+    }
+
+
+    // Drop the 8 FK constraints in the host-related tables. They will be recreated later after the PK is changed.
+    // The only host-related table not being included is alert_history.
+    if (databaseType == Configuration.DatabaseType.DERBY) {
+      dbAccessor.executeQuery("ALTER TABLE hostcomponentdesiredstate DROP CONSTRAINT hstcmponentdesiredstatehstname");
+      dbAccessor.executeQuery("ALTER TABLE hostcomponentstate DROP CONSTRAINT hostcomponentstate_host_name");
+      dbAccessor.executeQuery("ALTER TABLE hoststate DROP CONSTRAINT FK_hoststate_host_name");
+      dbAccessor.executeQuery("ALTER TABLE host_version DROP CONSTRAINT FK_host_version_host_name");
+      dbAccessor.executeQuery("ALTER TABLE host_role_command DROP CONSTRAINT FK_host_role_command_host_name");
+      // This FK name is actually different on Derby.
+      dbAccessor.executeQuery("ALTER TABLE hostconfigmapping DROP CONSTRAINT FK_hostconfigmapping_host_name");
+      dbAccessor.executeQuery("ALTER TABLE configgrouphostmapping DROP CONSTRAINT FK_cghm_hname");
+      dbAccessor.executeQuery("ALTER TABLE kerberos_principal_host DROP CONSTRAINT FK_krb_pr_host_hostname");
+    } else {
+      dbAccessor.dropConstraint(HOST_COMPONENT_DESIRED_STATE_TABLE, "hstcmponentdesiredstatehstname");
+      dbAccessor.dropConstraint(HOST_COMPONENT_STATE_TABLE, "hostcomponentstate_host_name");
+      dbAccessor.dropConstraint(HOST_STATE_TABLE, "FK_hoststate_host_name");
+      dbAccessor.dropConstraint(HOST_VERSION_TABLE, "FK_host_version_host_name");
+      dbAccessor.dropConstraint(HOST_ROLE_COMMAND_TABLE, "FK_host_role_command_host_name");
+      dbAccessor.dropConstraint(HOST_CONFIG_MAPPING_TABLE, "FK_hostconfmapping_host_name");
+      dbAccessor.dropConstraint(CONFIG_GROUP_HOST_MAPPING_TABLE, "FK_cghm_hname");
+      dbAccessor.dropConstraint(KERBEROS_PRINCIPAL_HOST_TABLE, "FK_krb_pr_host_hostname");
+    }
+
+    // In Ambari 2.0.0, there were discrepancies with the FK in the ClusterHostMapping table in the Postgres databases.
+    // They were either swapped, or pointing to the wrong table. Ignore failures for both of these.
+    try {
+      dbAccessor.dropConstraint(CLUSTER_HOST_MAPPING_TABLE, "ClusterHostMapping_host_name", true);
+    } catch (Exception e) {
+      LOG.warn("Performed best attempt at deleting FK ClusterHostMapping_host_name. " +
+          "It is possible it did not exist or the deletion failed. " +  e.getMessage());
+    }
+    try {
+      dbAccessor.dropConstraint(CLUSTER_HOST_MAPPING_TABLE, "ClusterHostMapping_cluster_id", true);
+    } catch (Exception e) {
+      LOG.warn("Performed best attempt at deleting FK ClusterHostMapping_cluster_id. " +
+          "It is possible it did not exist or the deletion failed. " +  e.getMessage());
+    }
+
+    // Readd the FK to the cluster_id; will add the host_id at the end.
+    dbAccessor.addFKConstraint(CLUSTER_HOST_MAPPING_TABLE, "FK_clusterhostmapping_cluster_id",
+        "cluster_id", CLUSTERS_TABLE, "cluster_id", false);
+
+    // Drop the PK, and recreate it on the id instead
+    if (databaseType == Configuration.DatabaseType.DERBY) {
+      String constraintName = getDerbyTableConstraintName("p", HOSTS_TABLE);
+      if (null != constraintName) {
+        dbAccessor.executeQuery("ALTER TABLE hosts DROP CONSTRAINT " + constraintName);
+      }
+    } else {
+      dbAccessor.dropConstraint(HOSTS_TABLE, "hosts_pkey");
+    }
+    dbAccessor.executeQuery("ALTER TABLE hosts ADD CONSTRAINT PK_hosts_id PRIMARY KEY (id)");
+
+    dbAccessor.executeQuery("ALTER TABLE hosts ADD CONSTRAINT UQ_hosts_host_name UNIQUE (host_name)");
+
+    // TODO, for now, these still point to the host_name and will be fixed one table at a time to point to the host id.
+    // Re-add the FKs
+    dbAccessor.addFKConstraint(HOST_COMPONENT_DESIRED_STATE_TABLE, "hstcmponentdesiredstatehstname",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(HOST_COMPONENT_STATE_TABLE, "hostcomponentstate_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(HOST_STATE_TABLE, "FK_hoststate_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(HOST_VERSION_TABLE, "FK_host_version_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(HOST_ROLE_COMMAND_TABLE, "FK_host_role_command_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(HOST_CONFIG_MAPPING_TABLE, "FK_hostconfmapping_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(CONFIG_GROUP_HOST_MAPPING_TABLE, "FK_cghm_hname",
+        "host_name", HOSTS_TABLE, "host_name", false);
+    dbAccessor.addFKConstraint(KERBEROS_PRINCIPAL_HOST_TABLE, "FK_krb_pr_host_host_name",
+        "host_name", HOSTS_TABLE, "host_name", false);
+
+
+    // Add host_id to the host-related tables, and populate the host_id, one table at a time.
+    dbAccessor.addColumn(CLUSTER_HOST_MAPPING_TABLE, new DBColumnInfo("host_id", Long.class, null, null, true));
+    dbAccessor.executeQuery("UPDATE clusterhostmapping chm SET host_id = (SELECT id FROM hosts h WHERE h.host_name = chm.host_name) WHERE chm.host_id IS NULL AND chm.host_name IS NOT NULL");
+
+    if (databaseType == Configuration.DatabaseType.DERBY) {
+      // This is a workaround for UpgradeTest.java unit test
+      dbAccessor.executeQuery("ALTER TABLE clusterhostmapping ALTER column host_id NOT NULL");
+    } else {
+      dbAccessor.executeQuery("ALTER TABLE clusterhostmapping ALTER column host_id SET NOT NULL");
+    }
+
+    // These are the FKs that have already been corrected.
+    dbAccessor.addFKConstraint(CLUSTER_HOST_MAPPING_TABLE, "FK_clusterhostmapping_host_id",
+        "host_id", HOSTS_TABLE, "id", false);
+
+    dbAccessor.dropColumn(CLUSTER_HOST_MAPPING_TABLE, "host_name");
+  }
+
+  // ----- UpgradeCatalog ----------------------------------------------------
+
+  /**
+   * Populate the id of the hosts table with an auto-increment int.
+   * @param resultSet Rows from the hosts table
+   * @return Returns an integer with the id for the next host record to be inserted.
+   * @throws SQLException
+   */
+  @Transactional
+  private Long populateHostsId(ResultSet resultSet) throws SQLException {
+    Long hostId = 0L;
+    if (resultSet != null) {
+      try {
+        while (resultSet.next()) {
+          final String hostName = resultSet.getString(1);
+          HostEntity host = hostDAO.findByName(hostName);
+          host.setId(++hostId);
+          hostDAO.merge(host);
+        }
+      } catch (Exception e) {
+        LOG.error("Unable to populate the id of the hosts. " + e.getMessage());
+      }
+    }
+    return hostId;
+  }
+
+  /**
+   * Get the constraint name created by Derby if one was not specified for the table.
+   * @param type Constraint-type, either, "p" (Primary), "c" (Check), "f" (Foreign), "u" (Unique)
+   * @param tableName Table Name
+   * @return Return the constraint name, or null if not found.
+   * @throws SQLException
+   */
+  private String getDerbyTableConstraintName(String type, String tableName) throws SQLException {
+    ResultSet resultSet = null;
+    boolean found = false;
+    String constraint = null;
+
+    try {
+      resultSet = dbAccessor.executeSelect("SELECT c.constraintname, c.type, t.tablename FROM sys.sysconstraints c, sys.systables t WHERE c.tableid = t.tableid");
+      while(resultSet.next()) {
+        constraint = resultSet.getString(1);
+        String recordType = resultSet.getString(2);
+        String recordTableName = resultSet.getString(3);
+
+        if (recordType.equalsIgnoreCase(type) && recordTableName.equalsIgnoreCase(tableName)) {
+          found = true;
+          break;
+        }
+      }
+    } finally {
+      if (resultSet != null) {
+        resultSet.close();
+      }
+    }
+    return found ? constraint : null;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  @Override
+  protected void executeDMLUpdates() throws AmbariException, SQLException {
+  }
+}

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql b/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql
index 9ff62df..be90dce 100644
--- a/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql
+++ b/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql
@@ -26,6 +26,10 @@ delimiter ;
 
 # USE @schema;
 
+-- DEVELOPER COMMENT
+-- Ambari is transitioning to make the host_id the FK instead of the host_name.
+-- Please do not remove lines that are related to this change and are being staged.
+
 CREATE TABLE clusters (
   cluster_id BIGINT NOT NULL,
   resource_id BIGINT NOT NULL,
@@ -62,7 +66,9 @@ CREATE TABLE serviceconfig (
 CREATE TABLE serviceconfighosts (
   service_config_id BIGINT NOT NULL,
   hostname VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY(service_config_id, hostname));
+  --PRIMARY KEY(service_config_id, host_id));
 
 CREATE TABLE serviceconfigmapping (
   service_config_id BIGINT NOT NULL,
@@ -97,12 +103,14 @@ CREATE TABLE hostcomponentdesiredstate (
   desired_stack_version VARCHAR(255) NOT NULL,
   desired_state VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   service_name VARCHAR(255) NOT NULL,
   admin_state VARCHAR(32),
   maintenance_state VARCHAR(32) NOT NULL DEFAULT 'ACTIVE',
   security_state VARCHAR(32) NOT NULL DEFAULT 'UNSECURED',
   restart_required TINYINT(1) NOT NULL DEFAULT 0,
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hostcomponentstate (
   cluster_id BIGINT NOT NULL,
@@ -111,12 +119,15 @@ CREATE TABLE hostcomponentstate (
   current_stack_version VARCHAR(255) NOT NULL,
   current_state VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   service_name VARCHAR(255) NOT NULL,
   upgrade_state VARCHAR(32) NOT NULL DEFAULT 'NONE',
   security_state VARCHAR(32) NOT NULL DEFAULT 'UNSECURED',
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hosts (
+  id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
   cpu_count INTEGER NOT NULL,
   cpu_info VARCHAR(255) NOT NULL,
@@ -132,7 +143,7 @@ CREATE TABLE hosts (
   public_host_name VARCHAR(255),
   rack_info VARCHAR(255) NOT NULL,
   total_mem BIGINT NOT NULL,
-  PRIMARY KEY (host_name));
+  PRIMARY KEY (id));
 
 CREATE TABLE hoststate (
   agent_version VARCHAR(255) NOT NULL,
@@ -140,14 +151,17 @@ CREATE TABLE hoststate (
   current_state VARCHAR(255) NOT NULL,
   health_status VARCHAR(255),
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   time_in_state BIGINT NOT NULL,
   maintenance_state VARCHAR(512),
   PRIMARY KEY (host_name));
+  --PRIMARY KEY (host_id));
 
 CREATE TABLE host_version (
   id BIGINT NOT NULL,
   repo_version_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   state VARCHAR(32) NOT NULL,
   PRIMARY KEY (id));
 
@@ -204,6 +218,7 @@ CREATE TABLE host_role_command (
   event LONGTEXT NOT NULL,
   exitcode INTEGER NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   last_attempt_time BIGINT NOT NULL,
   request_id BIGINT NOT NULL,
   role VARCHAR(255),
@@ -271,6 +286,7 @@ CREATE TABLE requestoperationlevel (
   service_name VARCHAR(255),
   host_component_name VARCHAR(255),
   host_name VARCHAR(255),
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY (operation_level_id));
 
 CREATE TABLE key_value_store (`key` VARCHAR(255),
@@ -289,6 +305,7 @@ CREATE TABLE clusterconfigmapping (
 CREATE TABLE hostconfigmapping (
   create_timestamp BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   cluster_id BIGINT NOT NULL,
   type_name VARCHAR(255) NOT NULL,
   selected INTEGER NOT NULL DEFAULT 0,
@@ -296,6 +313,7 @@ CREATE TABLE hostconfigmapping (
   version_tag VARCHAR(255) NOT NULL,
   user_name VARCHAR(255) NOT NULL DEFAULT '_db',
   PRIMARY KEY (create_timestamp, host_name, cluster_id, type_name));
+  --PRIMARY KEY (create_timestamp, host_id, cluster_id, type_name));
 
 CREATE TABLE metainfo (
   `metainfo_key` VARCHAR(255),
@@ -305,7 +323,9 @@ CREATE TABLE metainfo (
 CREATE TABLE ClusterHostMapping (
   cluster_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY (cluster_id, host_name));
+  --PRIMARY KEY (cluster_id, host_id));
 
 CREATE TABLE ambari_sequences (
   sequence_name VARCHAR(255),
@@ -334,7 +354,9 @@ CREATE TABLE configgroup (
 CREATE TABLE configgrouphostmapping (
   config_group_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY(config_group_id, host_name));
+  --PRIMARY KEY(config_group_id, host_id));
 
 CREATE TABLE requestschedule (
   schedule_id bigint,
@@ -530,6 +552,7 @@ ALTER TABLE groups ADD CONSTRAINT UNQ_groups_0 UNIQUE (group_name, ldap_group);
 ALTER TABLE members ADD CONSTRAINT UNQ_members_0 UNIQUE (group_id, user_id);
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_tag UNIQUE (cluster_id, type_name, version_tag);
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_version UNIQUE (cluster_id, type_name, version);
+ALTER TABLE hosts ADD CONSTRAINT UQ_hosts_host_name UNIQUE (host_name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name UNIQUE (view_name, name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name_id UNIQUE (view_instance_id, view_name, name);
 ALTER TABLE serviceconfig ADD CONSTRAINT UQ_scv_service_version UNIQUE (cluster_id, service_name, version);
@@ -547,24 +570,30 @@ ALTER TABLE clusterstate ADD CONSTRAINT FK_clusterstate_cluster_id FOREIGN KEY (
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstid FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmpnntdesiredstatecmpnntnme FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hstcomponentstatecomponentname FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE servicecomponentdesiredstate ADD CONSTRAINT srvccmponentdesiredstatesrvcnm FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE servicedesiredstate ADD CONSTRAINT servicedesiredstateservicename FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE execution_command ADD CONSTRAINT FK_execution_command_task_id FOREIGN KEY (task_id) REFERENCES host_role_command (task_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE role_success_criteria ADD CONSTRAINT role_success_criteria_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE stage ADD CONSTRAINT FK_stage_request_id FOREIGN KEY (request_id) REFERENCES request (request_id);
 ALTER TABLE request ADD CONSTRAINT FK_request_schedule_id FOREIGN KEY (request_schedule_id) REFERENCES requestschedule (schedule_id);
-ALTER TABLE ClusterHostMapping ADD CONSTRAINT ClusterHostMapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
-ALTER TABLE ClusterHostMapping ADD CONSTRAINT ClusterHostMapping_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE serviceconfigmapping ADD CONSTRAINT FK_scvm_scv FOREIGN KEY (service_config_id) REFERENCES serviceconfig(service_config_id);
 ALTER TABLE serviceconfigmapping ADD CONSTRAINT FK_scvm_config FOREIGN KEY (config_id) REFERENCES clusterconfig(config_id);
 ALTER TABLE serviceconfighosts ADD CONSTRAINT  FK_scvhosts_scv FOREIGN KEY (service_config_id) REFERENCES serviceconfig(service_config_id);
@@ -573,6 +602,7 @@ ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_confg FOREIGN KEY (c
 ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_cgccm_gid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_cgid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_hname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE requestschedulebatchrequest ADD CONSTRAINT FK_rsbatchrequest_schedule_id FOREIGN KEY (schedule_id) REFERENCES requestschedule (schedule_id);
 ALTER TABLE hostgroup ADD CONSTRAINT FK_hg_blueprint_name FOREIGN KEY (blueprint_name) REFERENCES blueprint(blueprint_name);
 ALTER TABLE hostgroup_component ADD CONSTRAINT FK_hgc_blueprint_name FOREIGN KEY (blueprint_name, hostgroup_name) REFERENCES hostgroup(blueprint_name, name);
@@ -609,12 +639,13 @@ CREATE TABLE kerberos_principal (
 CREATE TABLE kerberos_principal_host (
   principal_name VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY(principal_name, host_name)
+  --PRIMARY KEY(principal_name, host_id)
 );
 
-ALTER TABLE kerberos_principal_host
-ADD CONSTRAINT FK_krb_pr_host_hostname
-FOREIGN KEY (host_name) REFERENCES hosts (host_name) ON DELETE CASCADE;
+ALTER TABLE kerberos_principal_host ADD CONSTRAINT FK_krb_pr_host_hostname FOREIGN KEY (host_name) REFERENCES hosts (host_name) ON DELETE CASCADE;
+--ALTER TABLE kerberos_principal_host ADD CONSTRAINT FK_krb_pr_host_id FOREIGN KEY (host_id) REFERENCES hosts (id) ON DELETE CASCADE;
 
 ALTER TABLE kerberos_principal_host
 ADD CONSTRAINT FK_krb_pr_host_principalname
@@ -769,6 +800,7 @@ CREATE TABLE upgrade_item (
 
 -- In order for the first ID to be 1, must initialize the ambari_sequences table with a sequence_value of 0.
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('cluster_id_seq', 1);
+INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('host_id_seq', 0);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('host_role_command_id_seq', 1);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('user_id_seq', 2);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('group_id_seq', 1);

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/resources/Ambari-DDL-Oracle-CREATE.sql
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/Ambari-DDL-Oracle-CREATE.sql b/ambari-server/src/main/resources/Ambari-DDL-Oracle-CREATE.sql
index 7d62aee..76f0e6b 100644
--- a/ambari-server/src/main/resources/Ambari-DDL-Oracle-CREATE.sql
+++ b/ambari-server/src/main/resources/Ambari-DDL-Oracle-CREATE.sql
@@ -16,6 +16,10 @@
 -- limitations under the License.
 --
 
+-- DEVELOPER COMMENT
+-- Ambari is transitioning to make the host_id the FK instead of the host_name.
+-- Please do not remove lines that are related to this change and are being staged.
+
 ------create tables---------
 CREATE TABLE clusters (
   cluster_id NUMBER(19) NOT NULL,
@@ -88,12 +92,14 @@ CREATE TABLE hostcomponentdesiredstate (
   desired_stack_version VARCHAR2(255) NULL,
   desired_state VARCHAR2(255) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   service_name VARCHAR2(255) NOT NULL,
   admin_state VARCHAR2(32) NULL,
   maintenance_state VARCHAR2(32) NOT NULL,
   security_state VARCHAR2(32) DEFAULT 'UNSECURED' NOT NULL,
   restart_required NUMBER(1) DEFAULT 0 NOT NULL,
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hostcomponentstate (
   cluster_id NUMBER(19) NOT NULL,
@@ -102,12 +108,15 @@ CREATE TABLE hostcomponentstate (
   current_stack_version VARCHAR2(255) NOT NULL,
   current_state VARCHAR2(255) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   service_name VARCHAR2(255) NOT NULL,
   upgrade_state VARCHAR2(32) DEFAULT 'NONE' NOT NULL,
   security_state VARCHAR2(32) DEFAULT 'UNSECURED' NOT NULL,
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hosts (
+  id NUMBER(19) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
   cpu_count INTEGER NOT NULL,
   cpu_info VARCHAR2(255) NULL,
@@ -123,7 +132,7 @@ CREATE TABLE hosts (
   public_host_name VARCHAR2(255) NULL,
   rack_info VARCHAR2(255) NOT NULL,
   total_mem INTEGER NOT NULL,
-  PRIMARY KEY (host_name));
+  PRIMARY KEY (id));
 
 CREATE TABLE hoststate (
   agent_version VARCHAR2(255) NULL,
@@ -131,14 +140,17 @@ CREATE TABLE hoststate (
   current_state VARCHAR2(255) NOT NULL,
   health_status VARCHAR2(255) NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   time_in_state NUMBER(19) NOT NULL,
   maintenance_state VARCHAR2(512),
   PRIMARY KEY (host_name));
+  --PRIMARY KEY (host_id));
 
 CREATE TABLE host_version (
   id NUMBER(19) NOT NULL,
   repo_version_id NUMBER(19) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   state VARCHAR2(32) NOT NULL,
   PRIMARY KEY (id));
 
@@ -195,6 +207,7 @@ CREATE TABLE host_role_command (
   event CLOB NULL,
   exitcode NUMBER(10) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   last_attempt_time NUMBER(19) NOT NULL,
   request_id NUMBER(19) NOT NULL,
   role VARCHAR2(255) NULL,
@@ -262,6 +275,7 @@ CREATE TABLE requestoperationlevel (
   service_name VARCHAR2(255),
   host_component_name VARCHAR2(255),
   host_name VARCHAR2(255),
+  --host_id NUMBER(19) NOT NULL,
   PRIMARY KEY (operation_level_id));
 
 CREATE TABLE key_value_store (
@@ -281,6 +295,7 @@ CREATE TABLE clusterconfigmapping (
 CREATE TABLE hostconfigmapping (
   create_timestamp NUMBER(19) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   cluster_id NUMBER(19) NOT NULL,
   type_name VARCHAR2(255) NOT NULL,
   selected NUMBER(10) NOT NULL,
@@ -288,6 +303,7 @@ CREATE TABLE hostconfigmapping (
   version_tag VARCHAR2(255) NOT NULL,
   user_name VARCHAR(255) DEFAULT '_db',
   PRIMARY KEY (create_timestamp, host_name, cluster_id, type_name));
+  --PRIMARY KEY (create_timestamp, host_id, cluster_id, type_name));
 
 CREATE TABLE metainfo (
   "metainfo_key" VARCHAR2(255) NOT NULL,
@@ -297,7 +313,9 @@ CREATE TABLE metainfo (
 CREATE TABLE ClusterHostMapping (
   cluster_id NUMBER(19) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   PRIMARY KEY (cluster_id, host_name));
+  --PRIMARY KEY (cluster_id, host_id));
 
 CREATE TABLE ambari_sequences (
   sequence_name VARCHAR2(50) NOT NULL,
@@ -326,7 +344,9 @@ CREATE TABLE confgroupclusterconfigmapping (
 CREATE TABLE configgrouphostmapping (
   config_group_id NUMBER(19) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   PRIMARY KEY(config_group_id, host_name));
+  --PRIMARY KEY(config_group_id, host_id));
 
 CREATE TABLE requestschedule (
   schedule_id NUMBER(19),
@@ -520,6 +540,7 @@ ALTER TABLE groups ADD CONSTRAINT UNQ_groups_0 UNIQUE (group_name, ldap_group);
 ALTER TABLE members ADD CONSTRAINT UNQ_members_0 UNIQUE (group_id, user_id);
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_tag UNIQUE (cluster_id, type_name, version_tag);
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_version UNIQUE (cluster_id, type_name, version);
+ALTER TABLE hosts ADD CONSTRAINT UQ_hosts_host_name UNIQUE (host_name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name UNIQUE (view_name, name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name_id UNIQUE (view_instance_id, view_name, name);
 ALTER TABLE serviceconfig ADD CONSTRAINT UQ_scv_service_version UNIQUE (cluster_id, service_name, version);
@@ -538,24 +559,30 @@ ALTER TABLE clusterstate ADD CONSTRAINT FK_clusterstate_cluster_id FOREIGN KEY (
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstid FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmpnntdesiredstatecmpnntnme FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hstcomponentstatecomponentname FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE servicecomponentdesiredstate ADD CONSTRAINT srvccmponentdesiredstatesrvcnm FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE servicedesiredstate ADD CONSTRAINT servicedesiredstateservicename FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE execution_command ADD CONSTRAINT FK_execution_command_task_id FOREIGN KEY (task_id) REFERENCES host_role_command (task_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE role_success_criteria ADD CONSTRAINT role_success_criteria_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE stage ADD CONSTRAINT FK_stage_request_id FOREIGN KEY (request_id) REFERENCES request (request_id);
 ALTER TABLE request ADD CONSTRAINT FK_request_schedule_id FOREIGN KEY (request_schedule_id) REFERENCES requestschedule (schedule_id);
-ALTER TABLE ClusterHostMapping ADD CONSTRAINT ClusterHostMapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
-ALTER TABLE ClusterHostMapping ADD CONSTRAINT ClusterHostMapping_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE serviceconfigmapping ADD CONSTRAINT FK_scvm_scv FOREIGN KEY (service_config_id) REFERENCES serviceconfig(service_config_id);
 ALTER TABLE serviceconfigmapping ADD CONSTRAINT FK_scvm_config FOREIGN KEY (config_id) REFERENCES clusterconfig(config_id);
 ALTER TABLE configgroup ADD CONSTRAINT FK_configgroup_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
@@ -563,6 +590,7 @@ ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_confg FOREIGN KEY (v
 ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_cgccm_gid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_cgid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_hname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE requestschedulebatchrequest ADD CONSTRAINT FK_rsbatchrequest_schedule_id FOREIGN KEY (schedule_id) REFERENCES requestschedule (schedule_id);
 ALTER TABLE hostgroup ADD CONSTRAINT FK_hg_blueprint_name FOREIGN KEY (blueprint_name) REFERENCES blueprint(blueprint_name);
 ALTER TABLE hostgroup_component ADD CONSTRAINT FK_hgc_blueprint_name FOREIGN KEY (blueprint_name, hostgroup_name) REFERENCES hostgroup(blueprint_name, name);
@@ -599,12 +627,15 @@ CREATE TABLE kerberos_principal (
 CREATE TABLE kerberos_principal_host (
   principal_name VARCHAR2(255) NOT NULL,
   host_name VARCHAR2(255) NOT NULL,
+  --host_id NUMBER(19) NOT NULL,
   PRIMARY KEY(principal_name, host_name)
+  --PRIMARY KEY(principal_name, host_id)
 );
 
 ALTER TABLE kerberos_principal_host
 ADD CONSTRAINT FK_krb_pr_host_hostname
 FOREIGN KEY (host_name) REFERENCES hosts (host_name) ON DELETE CASCADE;
+--ALTER TABLE kerberos_principal_host ADD CONSTRAINT FK_krb_pr_host_id FOREIGN KEY (host_id) REFERENCES hosts (id) ON DELETE CASCADE;
 
 ALTER TABLE kerberos_principal_host
 ADD CONSTRAINT FK_krb_pr_host_principalname
@@ -765,6 +796,7 @@ INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('user_id_seq
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('group_id_seq', 0);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('member_id_seq', 0);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('cluster_id_seq', 0);
+INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('host_id_seq', 0);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('configgroup_id_seq', 1);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('requestschedule_id_seq', 1);
 INSERT INTO ambari_sequences(sequence_name, sequence_value) values ('resourcefilter_id_seq', 1);

http://git-wip-us.apache.org/repos/asf/ambari/blob/f73936a2/ambari-server/src/main/resources/Ambari-DDL-Postgres-CREATE.sql
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/Ambari-DDL-Postgres-CREATE.sql b/ambari-server/src/main/resources/Ambari-DDL-Postgres-CREATE.sql
index 78a263f..0906587 100644
--- a/ambari-server/src/main/resources/Ambari-DDL-Postgres-CREATE.sql
+++ b/ambari-server/src/main/resources/Ambari-DDL-Postgres-CREATE.sql
@@ -16,6 +16,10 @@
 -- limitations under the License.
 --
 
+-- DEVELOPER COMMENT
+-- Ambari is transitioning to make the host_id the FK instead of the host_name.
+-- Please do not remove lines that are related to this change and are being staged.
+
 ------create tables and grant privileges to db user---------
 CREATE TABLE clusters (
   cluster_id BIGINT NOT NULL,
@@ -55,7 +59,8 @@ CREATE TABLE serviceconfig (
   version BIGINT NOT NULL,
   create_timestamp BIGINT NOT NULL,
   user_name VARCHAR(255) NOT NULL DEFAULT '_db',
-  group_id BIGINT, note TEXT,
+  group_id BIGINT,
+  note TEXT,
   PRIMARY KEY (service_config_id));
 
 CREATE TABLE serviceconfighosts (
@@ -96,12 +101,14 @@ CREATE TABLE hostcomponentdesiredstate (
   desired_stack_version VARCHAR(255) NOT NULL,
   desired_state VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   service_name VARCHAR(255) NOT NULL,
   admin_state VARCHAR(32),
   maintenance_state VARCHAR(32) NOT NULL,
   security_state VARCHAR(32) NOT NULL DEFAULT 'UNSECURED',
   restart_required SMALLINT NOT NULL DEFAULT 0,
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hostcomponentstate (
   cluster_id BIGINT NOT NULL,
@@ -110,19 +117,23 @@ CREATE TABLE hostcomponentstate (
   current_stack_version VARCHAR(255) NOT NULL,
   current_state VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   service_name VARCHAR(255) NOT NULL,
   upgrade_state VARCHAR(32) NOT NULL DEFAULT 'NONE',
   security_state VARCHAR(32) NOT NULL DEFAULT 'UNSECURED',
   PRIMARY KEY (cluster_id, component_name, host_name, service_name));
+  --PRIMARY KEY (cluster_id, component_name, host_id, service_name));
 
 CREATE TABLE hosts (
+  id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
   cpu_count INTEGER NOT NULL,
   ph_cpu_count INTEGER,
   cpu_info VARCHAR(255) NOT NULL,
   discovery_status VARCHAR(2000) NOT NULL,
   host_attributes VARCHAR(20000) NOT NULL,
-  ipv4 VARCHAR(255), ipv6 VARCHAR(255),
+  ipv4 VARCHAR(255),
+  ipv6 VARCHAR(255),
   public_host_name VARCHAR(255),
   last_registration_time BIGINT NOT NULL,
   os_arch VARCHAR(255) NOT NULL,
@@ -130,7 +141,7 @@ CREATE TABLE hosts (
   os_type VARCHAR(255) NOT NULL,
   rack_info VARCHAR(255) NOT NULL,
   total_mem BIGINT NOT NULL,
-  PRIMARY KEY (host_name));
+  PRIMARY KEY (id));
 
 CREATE TABLE hoststate (
   agent_version VARCHAR(255) NOT NULL,
@@ -138,14 +149,17 @@ CREATE TABLE hoststate (
   current_state VARCHAR(255) NOT NULL,
   health_status VARCHAR(255),
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   time_in_state BIGINT NOT NULL,
   maintenance_state VARCHAR(512),
   PRIMARY KEY (host_name));
+  --PRIMARY KEY (host_id));
 
 CREATE TABLE host_version (
   id BIGINT NOT NULL,
   repo_version_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   state VARCHAR(32) NOT NULL,
   PRIMARY KEY (id));
 
@@ -205,6 +219,7 @@ CREATE TABLE host_role_command (
   event VARCHAR(32000) NOT NULL,
   exitcode INTEGER NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   last_attempt_time BIGINT NOT NULL,
   request_id BIGINT NOT NULL,
   role VARCHAR(255),
@@ -272,12 +287,15 @@ CREATE TABLE requestoperationlevel (
   service_name VARCHAR(255),
   host_component_name VARCHAR(255),
   host_name VARCHAR(255),
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY (operation_level_id));
 
 CREATE TABLE ClusterHostMapping (
   cluster_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY (cluster_id, host_name));
+  --PRIMARY KEY (cluster_id, host_id));
 
 CREATE TABLE key_value_store (
   "key" VARCHAR(255),
@@ -287,6 +305,7 @@ CREATE TABLE key_value_store (
 CREATE TABLE hostconfigmapping (
   cluster_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   type_name VARCHAR(255) NOT NULL,
   version_tag VARCHAR(255) NOT NULL,
   service_name VARCHAR(255),
@@ -294,6 +313,7 @@ CREATE TABLE hostconfigmapping (
   selected INTEGER NOT NULL DEFAULT 0,
   user_name VARCHAR(255) NOT NULL DEFAULT '_db',
   PRIMARY KEY (cluster_id, host_name, type_name, create_timestamp));
+  --PRIMARY KEY (cluster_id, host_id, type_name, create_timestamp));
 
 CREATE TABLE metainfo (
   "metainfo_key" VARCHAR(255),
@@ -326,7 +346,9 @@ CREATE TABLE confgroupclusterconfigmapping (
 CREATE TABLE configgrouphostmapping (
   config_group_id BIGINT NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY(config_group_id, host_name));
+  --PRIMARY KEY(config_group_id, host_id));
 
 CREATE TABLE requestschedule (
   schedule_id bigint,
@@ -351,7 +373,8 @@ CREATE TABLE requestschedule (
   PRIMARY KEY(schedule_id));
 
 CREATE TABLE requestschedulebatchrequest (
-  schedule_id bigint, batch_id bigint,
+  schedule_id bigint,
+  batch_id bigint,
   request_id bigint,
   request_type varchar(255),
   request_uri varchar(1024),
@@ -382,7 +405,7 @@ CREATE TABLE hostgroup_component (
 CREATE TABLE blueprint_configuration (
   blueprint_name varchar(255) NOT NULL,
   type_name varchar(255) NOT NULL,
-  config_data TEXT NOT NULL ,
+  config_data TEXT NOT NULL,
   config_attributes varchar(32000),
   PRIMARY KEY(blueprint_name, type_name));
 
@@ -463,7 +486,8 @@ CREATE TABLE viewentity (
   view_name VARCHAR(255) NOT NULL,
   view_instance_name VARCHAR(255) NOT NULL,
   class_name VARCHAR(255) NOT NULL,
-  id_property VARCHAR(255), PRIMARY KEY(id));
+  id_property VARCHAR(255),
+  PRIMARY KEY(id));
 
 CREATE TABLE adminresourcetype (
   resource_type_id INTEGER NOT NULL,
@@ -518,6 +542,7 @@ CREATE TABLE artifact (
 --------altering tables by creating unique constraints----------
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_tag UNIQUE (cluster_id, type_name, version_tag);
 ALTER TABLE clusterconfig ADD CONSTRAINT UQ_config_type_version UNIQUE (cluster_id, type_name, version);
+ALTER TABLE hosts ADD CONSTRAINT UQ_hosts_host_name UNIQUE (host_name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name UNIQUE (view_name, name);
 ALTER TABLE viewinstance ADD CONSTRAINT UQ_viewinstance_name_id UNIQUE (view_instance_id, view_name, name);
 ALTER TABLE serviceconfig ADD CONSTRAINT UQ_scv_service_version UNIQUE (cluster_id, service_name, version);
@@ -535,28 +560,36 @@ ALTER TABLE clusterstate ADD CONSTRAINT FK_clusterstate_cluster_id FOREIGN KEY (
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE cluster_version ADD CONSTRAINT FK_cluster_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmponentdesiredstatehstid FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostcomponentdesiredstate ADD CONSTRAINT hstcmpnntdesiredstatecmpnntnme FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hstcomponentstatecomponentname FOREIGN KEY (component_name, cluster_id, service_name) REFERENCES servicecomponentdesiredstate (component_name, cluster_id, service_name);
 ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostcomponentstate ADD CONSTRAINT hostcomponentstate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hoststate ADD CONSTRAINT FK_hoststate_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_version ADD CONSTRAINT FK_host_version_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE host_version ADD CONSTRAINT FK_host_version_repovers_id FOREIGN KEY (repo_version_id) REFERENCES repo_version (repo_version_id);
 ALTER TABLE servicecomponentdesiredstate ADD CONSTRAINT srvccmponentdesiredstatesrvcnm FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE servicedesiredstate ADD CONSTRAINT servicedesiredstateservicename FOREIGN KEY (service_name, cluster_id) REFERENCES clusterservices (service_name, cluster_id);
 ALTER TABLE execution_command ADD CONSTRAINT FK_execution_command_task_id FOREIGN KEY (task_id) REFERENCES host_role_command (task_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE host_role_command ADD CONSTRAINT FK_host_role_command_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE role_success_criteria ADD CONSTRAINT role_success_criteria_stage_id FOREIGN KEY (stage_id, request_id) REFERENCES stage (stage_id, request_id);
 ALTER TABLE stage ADD CONSTRAINT FK_stage_request_id FOREIGN KEY (request_id) REFERENCES request (request_id);
 ALTER TABLE request ADD CONSTRAINT FK_request_schedule_id FOREIGN KEY (request_schedule_id) REFERENCES requestschedule (schedule_id);
-ALTER TABLE ClusterHostMapping ADD CONSTRAINT ClusterHostMapping_host_name FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
+ALTER TABLE ClusterHostMapping ADD CONSTRAINT FK_clusterhostmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_name FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE hostconfigmapping ADD CONSTRAINT FK_hostconfmapping_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE configgroup ADD CONSTRAINT FK_configgroup_cluster_id FOREIGN KEY (cluster_id) REFERENCES clusters (cluster_id);
 ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_confg FOREIGN KEY (version_tag, config_type, cluster_id) REFERENCES clusterconfig (version_tag, type_name, cluster_id);
 ALTER TABLE confgroupclusterconfigmapping ADD CONSTRAINT FK_cgccm_gid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_cgid FOREIGN KEY (config_group_id) REFERENCES configgroup (group_id);
 ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_hname FOREIGN KEY (host_name) REFERENCES hosts (host_name);
+--ALTER TABLE configgrouphostmapping ADD CONSTRAINT FK_cghm_host_id FOREIGN KEY (host_id) REFERENCES hosts (id);
 ALTER TABLE requestschedulebatchrequest ADD CONSTRAINT FK_rsbatchrequest_schedule_id FOREIGN KEY (schedule_id) REFERENCES requestschedule (schedule_id);
 ALTER TABLE hostgroup ADD CONSTRAINT FK_hg_blueprint_name FOREIGN KEY (blueprint_name) REFERENCES blueprint(blueprint_name);
 ALTER TABLE hostgroup_component ADD CONSTRAINT FK_hgc_blueprint_name FOREIGN KEY (blueprint_name, hostgroup_name) REFERENCES hostgroup (blueprint_name, name);
@@ -596,12 +629,15 @@ CREATE TABLE kerberos_principal (
 CREATE TABLE kerberos_principal_host (
   principal_name VARCHAR(255) NOT NULL,
   host_name VARCHAR(255) NOT NULL,
+  --host_id BIGINT NOT NULL,
   PRIMARY KEY(principal_name, host_name)
+  --PRIMARY KEY(principal_name, host_id)
 );
 
 ALTER TABLE kerberos_principal_host
 ADD CONSTRAINT FK_krb_pr_host_hostname
 FOREIGN KEY (host_name) REFERENCES hosts (host_name) ON DELETE CASCADE;
+--ALTER TABLE kerberos_principal_host ADD CONSTRAINT FK_krb_pr_host_id FOREIGN KEY (host_id) REFERENCES hosts (id) ON DELETE CASCADE;
 
 ALTER TABLE kerberos_principal_host
 ADD CONSTRAINT FK_krb_pr_host_principalname
@@ -757,9 +793,11 @@ CREATE TABLE upgrade_item (
 ---------inserting some data-----------
 -- In order for the first ID to be 1, must initialize the ambari_sequences table with a sequence_value of 0.
 BEGIN;
-  INSERT INTO ambari_sequences (sequence_name, sequence_value)
+INSERT INTO ambari_sequences (sequence_name, sequence_value)
   SELECT 'cluster_id_seq', 1
   UNION ALL
+  SELECT 'host_id_seq', 0
+  UNION ALL
   SELECT 'user_id_seq', 2
   UNION ALL
   SELECT 'group_id_seq', 1
@@ -818,30 +856,32 @@ BEGIN;
   union all
   select 'upgrade_group_id_seq', 0
   union all
+  select 'upgrade_group_id_seq', 0 
+  union all
   select 'upgrade_item_id_seq', 0;
 
-  INSERT INTO adminresourcetype (resource_type_id, resource_type_name)
+INSERT INTO adminresourcetype (resource_type_id, resource_type_name)
   SELECT 1, 'AMBARI'
   UNION ALL
   SELECT 2, 'CLUSTER'
   UNION ALL
   SELECT 3, 'VIEW';
 
-  INSERT INTO adminresource (resource_id, resource_type_id)
+INSERT INTO adminresource (resource_id, resource_type_id)
   SELECT 1, 1;
 
-  INSERT INTO adminprincipaltype (principal_type_id, principal_type_name)
+INSERT INTO adminprincipaltype (principal_type_id, principal_type_name)
   SELECT 1, 'USER'
   UNION ALL
   SELECT 2, 'GROUP';
 
-  INSERT INTO adminprincipal (principal_id, principal_type_id)
+INSERT INTO adminprincipal (principal_id, principal_type_id)
   SELECT 1, 1;
 
-  INSERT INTO Users (user_id, principal_id, user_name, user_password)
+INSERT INTO Users (user_id, principal_id, user_name, user_password)
   SELECT 1, 1, 'admin', '538916f8943ec225d97a9a86a2c6ec0818c1cd400e09e03b660fdaaec4af29ddbb6f2b1033b81b00';
 
-  INSERT INTO adminpermission(permission_id, permission_name, resource_type_id)
+INSERT INTO adminpermission(permission_id, permission_name, resource_type_id)
   SELECT 1, 'AMBARI.ADMIN', 1
   UNION ALL
   SELECT 2, 'CLUSTER.READ', 2
@@ -850,158 +890,158 @@ BEGIN;
   UNION ALL
   SELECT 4, 'VIEW.USE', 3;
 
-  INSERT INTO adminprivilege (privilege_id, permission_id, resource_id, principal_id)
+INSERT INTO adminprivilege (privilege_id, permission_id, resource_id, principal_id)
   SELECT 1, 1, 1, 1;
 
-  INSERT INTO metainfo (metainfo_key, metainfo_value)
+INSERT INTO metainfo (metainfo_key, metainfo_value)
   SELECT 'version', '${ambariVersion}';
 COMMIT;
 
 -- Quartz tables
 
 CREATE TABLE qrtz_job_details
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    JOB_NAME  VARCHAR(200) NOT NULL,
-    JOB_GROUP VARCHAR(200) NOT NULL,
-    DESCRIPTION VARCHAR(250) NULL,
-    JOB_CLASS_NAME   VARCHAR(250) NOT NULL,
-    IS_DURABLE BOOL NOT NULL,
-    IS_NONCONCURRENT BOOL NOT NULL,
-    IS_UPDATE_DATA BOOL NOT NULL,
-    REQUESTS_RECOVERY BOOL NOT NULL,
-    JOB_DATA BYTEA NULL,
-    PRIMARY KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  JOB_NAME  VARCHAR(200) NOT NULL,
+  JOB_GROUP VARCHAR(200) NOT NULL,
+  DESCRIPTION VARCHAR(250) NULL,
+  JOB_CLASS_NAME   VARCHAR(250) NOT NULL,
+  IS_DURABLE BOOL NOT NULL,
+  IS_NONCONCURRENT BOOL NOT NULL,
+  IS_UPDATE_DATA BOOL NOT NULL,
+  REQUESTS_RECOVERY BOOL NOT NULL,
+  JOB_DATA BYTEA NULL,
+  PRIMARY KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
 );
 
 CREATE TABLE qrtz_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    JOB_NAME  VARCHAR(200) NOT NULL,
-    JOB_GROUP VARCHAR(200) NOT NULL,
-    DESCRIPTION VARCHAR(250) NULL,
-    NEXT_FIRE_TIME BIGINT NULL,
-    PREV_FIRE_TIME BIGINT NULL,
-    PRIORITY INTEGER NULL,
-    TRIGGER_STATE VARCHAR(16) NOT NULL,
-    TRIGGER_TYPE VARCHAR(8) NOT NULL,
-    START_TIME BIGINT NOT NULL,
-    END_TIME BIGINT NULL,
-    CALENDAR_NAME VARCHAR(200) NULL,
-    MISFIRE_INSTR SMALLINT NULL,
-    JOB_DATA BYTEA NULL,
-    PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
-    FOREIGN KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
-	REFERENCES QRTZ_JOB_DETAILS(SCHED_NAME,JOB_NAME,JOB_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  JOB_NAME  VARCHAR(200) NOT NULL,
+  JOB_GROUP VARCHAR(200) NOT NULL,
+  DESCRIPTION VARCHAR(250) NULL,
+  NEXT_FIRE_TIME BIGINT NULL,
+  PREV_FIRE_TIME BIGINT NULL,
+  PRIORITY INTEGER NULL,
+  TRIGGER_STATE VARCHAR(16) NOT NULL,
+  TRIGGER_TYPE VARCHAR(8) NOT NULL,
+  START_TIME BIGINT NOT NULL,
+  END_TIME BIGINT NULL,
+  CALENDAR_NAME VARCHAR(200) NULL,
+  MISFIRE_INSTR SMALLINT NULL,
+  JOB_DATA BYTEA NULL,
+  PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
+  FOREIGN KEY (SCHED_NAME,JOB_NAME,JOB_GROUP)
+  REFERENCES QRTZ_JOB_DETAILS(SCHED_NAME,JOB_NAME,JOB_GROUP)
 );
 
 CREATE TABLE qrtz_simple_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    REPEAT_COUNT BIGINT NOT NULL,
-    REPEAT_INTERVAL BIGINT NOT NULL,
-    TIMES_TRIGGERED BIGINT NOT NULL,
-    PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
-    FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
-	REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  REPEAT_COUNT BIGINT NOT NULL,
+  REPEAT_INTERVAL BIGINT NOT NULL,
+  TIMES_TRIGGERED BIGINT NOT NULL,
+  PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
+  FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+  REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
 );
 
 CREATE TABLE qrtz_cron_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    CRON_EXPRESSION VARCHAR(120) NOT NULL,
-    TIME_ZONE_ID VARCHAR(80),
-    PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
-    FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
-	REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  CRON_EXPRESSION VARCHAR(120) NOT NULL,
+  TIME_ZONE_ID VARCHAR(80),
+  PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
+  FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+  REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
 );
 
 CREATE TABLE qrtz_simprop_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    STR_PROP_1 VARCHAR(512) NULL,
-    STR_PROP_2 VARCHAR(512) NULL,
-    STR_PROP_3 VARCHAR(512) NULL,
-    INT_PROP_1 INT NULL,
-    INT_PROP_2 INT NULL,
-    LONG_PROP_1 BIGINT NULL,
-    LONG_PROP_2 BIGINT NULL,
-    DEC_PROP_1 NUMERIC(13,4) NULL,
-    DEC_PROP_2 NUMERIC(13,4) NULL,
-    BOOL_PROP_1 BOOL NULL,
-    BOOL_PROP_2 BOOL NULL,
-    PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
-    FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
-    REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  STR_PROP_1 VARCHAR(512) NULL,
+  STR_PROP_2 VARCHAR(512) NULL,
+  STR_PROP_3 VARCHAR(512) NULL,
+  INT_PROP_1 INT NULL,
+  INT_PROP_2 INT NULL,
+  LONG_PROP_1 BIGINT NULL,
+  LONG_PROP_2 BIGINT NULL,
+  DEC_PROP_1 NUMERIC(13,4) NULL,
+  DEC_PROP_2 NUMERIC(13,4) NULL,
+  BOOL_PROP_1 BOOL NULL,
+  BOOL_PROP_2 BOOL NULL,
+  PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
+  FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+  REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
 );
 
 CREATE TABLE qrtz_blob_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    BLOB_DATA BYTEA NULL,
-    PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
-    FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
-        REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  BLOB_DATA BYTEA NULL,
+  PRIMARY KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP),
+  FOREIGN KEY (SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
+  REFERENCES QRTZ_TRIGGERS(SCHED_NAME,TRIGGER_NAME,TRIGGER_GROUP)
 );
 
 CREATE TABLE qrtz_calendars
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    CALENDAR_NAME  VARCHAR(200) NOT NULL,
-    CALENDAR BYTEA NOT NULL,
-    PRIMARY KEY (SCHED_NAME,CALENDAR_NAME)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  CALENDAR_NAME  VARCHAR(200) NOT NULL,
+  CALENDAR BYTEA NOT NULL,
+  PRIMARY KEY (SCHED_NAME,CALENDAR_NAME)
 );
 
 
 CREATE TABLE qrtz_paused_trigger_grps
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    TRIGGER_GROUP  VARCHAR(200) NOT NULL,
-    PRIMARY KEY (SCHED_NAME,TRIGGER_GROUP)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  TRIGGER_GROUP  VARCHAR(200) NOT NULL,
+  PRIMARY KEY (SCHED_NAME,TRIGGER_GROUP)
 );
 
 CREATE TABLE qrtz_fired_triggers
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    ENTRY_ID VARCHAR(95) NOT NULL,
-    TRIGGER_NAME VARCHAR(200) NOT NULL,
-    TRIGGER_GROUP VARCHAR(200) NOT NULL,
-    INSTANCE_NAME VARCHAR(200) NOT NULL,
-    FIRED_TIME BIGINT NOT NULL,
-    SCHED_TIME BIGINT NOT NULL,
-    PRIORITY INTEGER NOT NULL,
-    STATE VARCHAR(16) NOT NULL,
-    JOB_NAME VARCHAR(200) NULL,
-    JOB_GROUP VARCHAR(200) NULL,
-    IS_NONCONCURRENT BOOL NULL,
-    REQUESTS_RECOVERY BOOL NULL,
-    PRIMARY KEY (SCHED_NAME,ENTRY_ID)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  ENTRY_ID VARCHAR(95) NOT NULL,
+  TRIGGER_NAME VARCHAR(200) NOT NULL,
+  TRIGGER_GROUP VARCHAR(200) NOT NULL,
+  INSTANCE_NAME VARCHAR(200) NOT NULL,
+  FIRED_TIME BIGINT NOT NULL,
+  SCHED_TIME BIGINT NOT NULL,
+  PRIORITY INTEGER NOT NULL,
+  STATE VARCHAR(16) NOT NULL,
+  JOB_NAME VARCHAR(200) NULL,
+  JOB_GROUP VARCHAR(200) NULL,
+  IS_NONCONCURRENT BOOL NULL,
+  REQUESTS_RECOVERY BOOL NULL,
+  PRIMARY KEY (SCHED_NAME,ENTRY_ID)
 );
 
 CREATE TABLE qrtz_scheduler_state
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    INSTANCE_NAME VARCHAR(200) NOT NULL,
-    LAST_CHECKIN_TIME BIGINT NOT NULL,
-    CHECKIN_INTERVAL BIGINT NOT NULL,
-    PRIMARY KEY (SCHED_NAME,INSTANCE_NAME)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  INSTANCE_NAME VARCHAR(200) NOT NULL,
+  LAST_CHECKIN_TIME BIGINT NOT NULL,
+  CHECKIN_INTERVAL BIGINT NOT NULL,
+  PRIMARY KEY (SCHED_NAME,INSTANCE_NAME)
 );
 
 CREATE TABLE qrtz_locks
-  (
-    SCHED_NAME VARCHAR(120) NOT NULL,
-    LOCK_NAME  VARCHAR(40) NOT NULL,
-    PRIMARY KEY (SCHED_NAME,LOCK_NAME)
+(
+  SCHED_NAME VARCHAR(120) NOT NULL,
+  LOCK_NAME  VARCHAR(40) NOT NULL,
+  PRIMARY KEY (SCHED_NAME,LOCK_NAME)
 );
 
 create index idx_qrtz_j_req_recovery on qrtz_job_details(SCHED_NAME,REQUESTS_RECOVERY);


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