SONAR-8445 move DatabaseVersion to sonar-db-migration

21 files changed, 112 insertions, 84 deletions

diff --git a/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java b/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
index 8ca295e95aa..0b13b6fc832 100644
--- a/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
+++ b/server/sonar-ce/src/main/java/org/sonar/ce/container/ComputeEngineContainerImpl.java
@@ -63,7 +63,7 @@ import org.sonar.db.DatabaseChecker;
 import org.sonar.db.DbClient;
 import org.sonar.db.DefaultDatabase;
 import org.sonar.db.purge.PurgeProfiler;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.process.Props;
 import org.sonar.process.logging.LogbackHelper;
 import org.sonar.server.component.ComponentCleanerService;
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/charset/ColumnDef.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/charset/ColumnDef.java
index da7708cbbfd..3e40e7ea011 100644
--- a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/charset/ColumnDef.java
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/charset/ColumnDef.java
@@ -23,7 +23,7 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Locale;
 import javax.annotation.concurrent.Immutable;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.db.version.SqTables;
 
 /**
  * Result of standard SQL command "select * from INFORMATION_SCHEMA" (columns listed in {@link #SELECT_COLUMNS}).
@@ -81,7 +81,7 @@ public class ColumnDef {
 
   public boolean isInSonarQubeTable() {
     String tableName = table.toLowerCase(Locale.ENGLISH);
-    return DatabaseVersion.TABLES.contains(tableName) || DatabaseVersion.OLD_DROPPED_TABLES.contains(tableName);
+    return SqTables.TABLES.contains(tableName) || SqTables.OLD_DROPPED_TABLES.contains(tableName);
   }
 
   public enum ColumnDefRowConverter implements SqlExecutor.RowConverter<ColumnDef> {
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/history/MigrationHistoryImpl.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/history/MigrationHistoryImpl.java
index 8e08992f19c..b1fc36497ad 100644
--- a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/history/MigrationHistoryImpl.java
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/history/MigrationHistoryImpl.java
@@ -30,11 +30,12 @@ import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 import org.sonar.db.schemamigration.SchemaMigrationMapper;
 import org.sonar.server.platform.db.migration.step.RegisteredMigrationStep;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 import static com.google.common.base.Preconditions.checkState;
 
 /**
- * TODO make {@link org.sonar.db.version.DatabaseVersion} use this class
+ * TODO make {@link DatabaseVersion} use this class
  */
 public class MigrationHistoryImpl implements MigrationHistory {
   private final DbClient dbClient;
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/DatabaseVersion.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/DatabaseVersion.java
new file mode 100644
index 00000000000..cfe8a89f23e
--- /dev/null
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/DatabaseVersion.java
@@ -0,0 +1,84 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.platform.db.migration.version;
+
+import com.google.common.annotations.VisibleForTesting;
+import java.util.Collections;
+import java.util.List;
+import javax.annotation.Nullable;
+import org.sonar.db.DatabaseUtils;
+import org.sonar.db.DbClient;
+import org.sonar.db.DbSession;
+
+public class DatabaseVersion {
+
+  public static final int LAST_VERSION = 1_502;
+
+  /**
+   * The minimum supported version which can be upgraded. Lower
+   * versions must be previously upgraded to LTS version.
+   * Note that the value can't be less than current LTS version.
+   */
+  public static final int MIN_UPGRADE_VERSION = 1_152;
+
+  private final DbClient dbClient;
+
+  public DatabaseVersion(DbClient dbClient) {
+    this.dbClient = dbClient;
+  }
+
+  @VisibleForTesting
+  static Status getStatus(@Nullable Integer currentVersion, int lastVersion) {
+    Status status = Status.FRESH_INSTALL;
+    if (currentVersion != null) {
+      if (currentVersion == lastVersion) {
+        status = Status.UP_TO_DATE;
+      } else if (currentVersion > lastVersion) {
+        status = Status.REQUIRES_DOWNGRADE;
+      } else {
+        status = Status.REQUIRES_UPGRADE;
+      }
+    }
+    return status;
+  }
+
+  public Status getStatus() {
+    return getStatus(getVersion(), LAST_VERSION);
+  }
+
+  public Integer getVersion() {
+    try (DbSession dbSession = dbClient.openSession(false)) {
+      if (!DatabaseUtils.tableExists("SCHEMA_MIGRATIONS", dbSession.getConnection())) {
+        return null;
+      }
+
+      List<Integer> versions = dbClient.schemaMigrationDao().selectVersions(dbSession);
+      if (!versions.isEmpty()) {
+        Collections.sort(versions);
+        return versions.get(versions.size() - 1);
+      }
+      return null;
+    }
+  }
+
+  public enum Status {
+    UP_TO_DATE, REQUIRES_UPGRADE, REQUIRES_DOWNGRADE, FRESH_INSTALL
+  }
+}
diff --git a/sonar-db/src/test/java/org/sonar/db/version/DatabaseVersionTest.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/DatabaseVersionTest.java
index cb1e3219ce9..ff5d406f258 100644
--- a/sonar-db/src/test/java/org/sonar/db/version/DatabaseVersionTest.java
+++ b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/DatabaseVersionTest.java
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-package org.sonar.db.version;
+package org.sonar.server.platform.db.migration.version;
 
 import org.junit.Rule;
 import org.junit.Test;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/BackendCleanup.java b/server/sonar-server/src/main/java/org/sonar/server/platform/BackendCleanup.java
index bb5ba51b32e..0f3f7388a4b 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/BackendCleanup.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/BackendCleanup.java
@@ -32,7 +32,7 @@ import org.sonar.api.server.ServerSide;
 import org.sonar.api.utils.log.Loggers;
 import org.sonar.db.DbSession;
 import org.sonar.db.MyBatis;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.db.version.SqTables;
 import org.sonar.server.component.es.ProjectMeasuresIndexDefinition;
 import org.sonar.server.es.BulkIndexer;
 import org.sonar.server.es.EsClient;
@@ -76,7 +76,7 @@ public class BackendCleanup {
     try (DbSession dbSession = myBatis.openSession(false);
       Connection connection = dbSession.getConnection();
       Statement ddlStatement = connection.createStatement()) {
-      for (String tableName : DatabaseVersion.TABLES) {
+      for (String tableName : SqTables.TABLES) {
         Optional.ofNullable(TABLE_CLEANERS.get(tableName))
           .orElse(BackendCleanup::truncateDefault)
           .clean(tableName, ddlStatement, connection);
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/DatabaseServerCompatibility.java b/server/sonar-server/src/main/java/org/sonar/server/platform/DatabaseServerCompatibility.java
index db5548a95fe..ad44c4e2079 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/DatabaseServerCompatibility.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/DatabaseServerCompatibility.java
@@ -22,7 +22,7 @@ package org.sonar.server.platform;
 import org.picocontainer.Startable;
 import org.sonar.api.utils.MessageException;
 import org.sonar.api.utils.log.Loggers;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 import static org.sonar.server.app.ServerProcessLogging.STARTUP_LOGGER_NAME;
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/DefaultServerUpgradeStatus.java b/server/sonar-server/src/main/java/org/sonar/server/platform/DefaultServerUpgradeStatus.java
index cae8e5c0ea0..56b3df3f962 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/DefaultServerUpgradeStatus.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/DefaultServerUpgradeStatus.java
@@ -23,7 +23,7 @@ import org.apache.commons.lang.builder.ReflectionToStringBuilder;
 import org.apache.commons.lang.builder.ToStringStyle;
 import org.picocontainer.Startable;
 import org.sonar.api.platform.ServerUpgradeStatus;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 /**
  * @since 2.5
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java b/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
index 44129da9357..95f86d74973 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/Platform.java
@@ -30,7 +30,7 @@ import org.sonar.api.utils.log.Logger;
 import org.sonar.api.utils.log.Loggers;
 import org.sonar.api.utils.log.Profiler;
 import org.sonar.core.platform.ComponentContainer;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.platformlevel.PlatformLevel;
 import org.sonar.server.platform.platformlevel.PlatformLevel1;
 import org.sonar.server.platform.platformlevel.PlatformLevel2;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/monitoring/DatabaseMonitor.java b/server/sonar-server/src/main/java/org/sonar/server/platform/monitoring/DatabaseMonitor.java
index 4e957180552..3c56eefd5c4 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/monitoring/DatabaseMonitor.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/monitoring/DatabaseMonitor.java
@@ -29,7 +29,7 @@ import org.apache.commons.dbutils.DbUtils;
 import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 import org.sonar.db.MyBatis;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 /**
  * Information about database and connection pool
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/platformlevel/PlatformLevel2.java b/server/sonar-server/src/main/java/org/sonar/server/platform/platformlevel/PlatformLevel2.java
index a3bb6fc8fa7..bd1cd454b1b 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/platformlevel/PlatformLevel2.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/platformlevel/PlatformLevel2.java
@@ -24,7 +24,7 @@ import org.sonar.core.i18n.DefaultI18n;
 import org.sonar.core.i18n.RuleI18nManager;
 import org.sonar.core.platform.PluginClassloaderFactory;
 import org.sonar.core.platform.PluginLoader;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.DatabaseServerCompatibility;
 import org.sonar.server.platform.DefaultServerUpgradeStatus;
 import org.sonar.server.platform.StartupMetadataProvider;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/ws/DbMigrationStatusAction.java b/server/sonar-server/src/main/java/org/sonar/server/platform/ws/DbMigrationStatusAction.java
index d54ce3119f9..3e383c3ddc7 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/ws/DbMigrationStatusAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/ws/DbMigrationStatusAction.java
@@ -25,7 +25,7 @@ import org.sonar.api.server.ws.Response;
 import org.sonar.api.server.ws.WebService;
 import org.sonar.api.utils.text.JsonWriter;
 import org.sonar.db.Database;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/server/sonar-server/src/main/java/org/sonar/server/platform/ws/MigrateDbAction.java b/server/sonar-server/src/main/java/org/sonar/server/platform/ws/MigrateDbAction.java
index d8cccb93063..029dd1dfd4d 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/platform/ws/MigrateDbAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/platform/ws/MigrateDbAction.java
@@ -25,7 +25,7 @@ import org.sonar.api.server.ws.Response;
 import org.sonar.api.server.ws.WebService;
 import org.sonar.api.utils.text.JsonWriter;
 import org.sonar.db.Database;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.db.migration.DatabaseMigration;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState;
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ui/JRubyFacade.java b/server/sonar-server/src/main/java/org/sonar/server/ui/JRubyFacade.java
index 9aa211f5fbc..de8a5bff789 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ui/JRubyFacade.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ui/JRubyFacade.java
@@ -49,7 +49,7 @@ import org.sonar.db.DbSession;
 import org.sonar.db.property.PropertiesDao;
 import org.sonar.db.property.PropertyDto;
 import org.sonar.db.rule.RuleRepositoryDto;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.process.ProcessProperties;
 import org.sonar.server.authentication.IdentityProviderRepository;
 import org.sonar.server.component.ComponentCleanerService;
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/DatabaseServerCompatibilityTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/DatabaseServerCompatibilityTest.java
index 2749a9b570a..687e25860a8 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/DatabaseServerCompatibilityTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/DatabaseServerCompatibilityTest.java
@@ -25,7 +25,7 @@ import org.junit.rules.ExpectedException;
 import org.sonar.api.utils.MessageException;
 import org.sonar.api.utils.log.LogTester;
 import org.sonar.api.utils.log.LoggerLevel;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/DefaultServerUpgradeStatusTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/DefaultServerUpgradeStatusTest.java
index fdca3f984fc..4b7f2fca8d6 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/DefaultServerUpgradeStatusTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/DefaultServerUpgradeStatusTest.java
@@ -20,7 +20,7 @@
 package org.sonar.server.platform;
 
 import org.junit.Test;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 import static org.hamcrest.core.Is.is;
 import static org.junit.Assert.assertThat;
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/monitoring/DatabaseMonitorTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/monitoring/DatabaseMonitorTest.java
index 9fcd6f1e6ff..228b19650e4 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/monitoring/DatabaseMonitorTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/monitoring/DatabaseMonitorTest.java
@@ -24,7 +24,7 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.sonar.api.utils.System2;
 import org.sonar.db.DbTester;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/ws/DbMigrationStatusActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/ws/DbMigrationStatusActionTest.java
index c2741c62629..b5c833e7d1f 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/ws/DbMigrationStatusActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/ws/DbMigrationStatusActionTest.java
@@ -32,7 +32,7 @@ import org.sonar.api.utils.DateUtils;
 import org.sonar.db.Database;
 import org.sonar.db.dialect.Dialect;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState.Status;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState;
 import org.sonar.server.ws.WsTester;
 
diff --git a/server/sonar-server/src/test/java/org/sonar/server/platform/ws/MigrateDbActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/platform/ws/MigrateDbActionTest.java
index 4fb43fb1584..64ef74ad62d 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/platform/ws/MigrateDbActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/platform/ws/MigrateDbActionTest.java
@@ -33,7 +33,7 @@ import org.sonar.db.Database;
 import org.sonar.db.dialect.Dialect;
 import org.sonar.server.platform.db.migration.DatabaseMigration;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState.Status;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.server.platform.db.migration.version.DatabaseVersion;
 import org.sonar.server.platform.db.migration.DatabaseMigrationState;
 import org.sonar.server.ws.WsTester;
 
diff --git a/sonar-db/src/main/java/org/sonar/db/version/DatabaseVersion.java b/sonar-db/src/main/java/org/sonar/db/version/SqTables.java
index 6dcb89683e0..e08c27fdc89 100644
--- a/sonar-db/src/main/java/org/sonar/db/version/DatabaseVersion.java
+++ b/sonar-db/src/main/java/org/sonar/db/version/SqTables.java
@@ -19,33 +19,16 @@
  */
 package org.sonar.db.version;
 
-import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableSet;
-import java.util.Collections;
-import java.util.List;
 import java.util.Set;
-import javax.annotation.Nullable;
-import org.sonar.db.DatabaseUtils;
-import org.sonar.db.DbClient;
-import org.sonar.db.DbSession;
-
-public class DatabaseVersion {
-
-  public static final int LAST_VERSION = 1_502;
-
-  /**
-   * The minimum supported version which can be upgraded. Lower
-   * versions must be previously upgraded to LTS version.
-   * Note that the value can't be less than current LTS version.
-   */
-  public static final int MIN_UPGRADE_VERSION = 1_152;
 
+public final class SqTables {
   /**
    * These tables are still involved in DB migrations, so potentially
    * incorrect collation must be fixed so that joins with other
    * tables are possible.
    *
-   * @see org.sonar.db.charset.ColumnDef#isInSonarQubeTable() 
+   * @see org.sonar.db.charset.ColumnDef#isInSonarQubeTable()
    */
   public static final Set<String> OLD_DROPPED_TABLES = ImmutableSet.of(
     "active_dashboards",
@@ -109,47 +92,7 @@ public class DatabaseVersion {
     "user_tokens",
     "webhook_deliveries");
 
-  private final DbClient dbClient;
-
-  public DatabaseVersion(DbClient dbClient) {
-    this.dbClient = dbClient;
-  }
-
-  @VisibleForTesting
-  static Status getStatus(@Nullable Integer currentVersion, int lastVersion) {
-    Status status = Status.FRESH_INSTALL;
-    if (currentVersion != null) {
-      if (currentVersion == lastVersion) {
-        status = Status.UP_TO_DATE;
-      } else if (currentVersion > lastVersion) {
-        status = Status.REQUIRES_DOWNGRADE;
-      } else {
-        status = Status.REQUIRES_UPGRADE;
-      }
-    }
-    return status;
-  }
-
-  public Status getStatus() {
-    return getStatus(getVersion(), LAST_VERSION);
-  }
-
-  public Integer getVersion() {
-    try (DbSession dbSession = dbClient.openSession(false)) {
-      if (!DatabaseUtils.tableExists("SCHEMA_MIGRATIONS", dbSession.getConnection())) {
-        return null;
-      }
-
-      List<Integer> versions = dbClient.schemaMigrationDao().selectVersions(dbSession);
-      if (!versions.isEmpty()) {
-        Collections.sort(versions);
-        return versions.get(versions.size() - 1);
-      }
-      return null;
-    }
-  }
-
-  public enum Status {
-    UP_TO_DATE, REQUIRES_UPGRADE, REQUIRES_DOWNGRADE, FRESH_INSTALL
+  private SqTables() {
+    // prevents instantiation
   }
 }
diff --git a/sonar-db/src/test/java/org/sonar/db/DatabaseCommands.java b/sonar-db/src/test/java/org/sonar/db/DatabaseCommands.java
index 812ad84eb32..9ec7da2b031 100644
--- a/sonar-db/src/test/java/org/sonar/db/DatabaseCommands.java
+++ b/sonar-db/src/test/java/org/sonar/db/DatabaseCommands.java
@@ -43,7 +43,7 @@ import org.sonar.db.dialect.MsSql;
 import org.sonar.db.dialect.MySql;
 import org.sonar.db.dialect.Oracle;
 import org.sonar.db.dialect.PostgreSql;
-import org.sonar.db.version.DatabaseVersion;
+import org.sonar.db.version.SqTables;
 
 public abstract class DatabaseCommands {
   private final IDataTypeFactory dbUnitFactory;
@@ -149,7 +149,7 @@ public abstract class DatabaseCommands {
     try {
       connection.setAutoCommit(false);
       statement = connection.createStatement();
-      for (String table : DatabaseVersion.TABLES) {
+      for (String table : SqTables.TABLES) {
         try {
           if (shouldTruncate(connection, table)) {
             statement.executeUpdate(truncateSql(table));
@@ -193,7 +193,7 @@ public abstract class DatabaseCommands {
       connection.setAutoCommit(false);
 
       statement = connection.createStatement();
-      for (String table : DatabaseVersion.TABLES) {
+      for (String table : SqTables.TABLES) {
         try {
           resultSet = statement.executeQuery("SELECT CASE WHEN MAX(ID) IS NULL THEN 1 ELSE MAX(ID)+1 END FROM " + table);
           resultSet.next();