| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.schema; |
| |
| import com.google.gerrit.reviewdb.client.AccountGroup; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.group.SystemGroupBackend; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import java.util.HashSet; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| public class Schema_87 extends SchemaVersion { |
| @Inject |
| Schema_87(Provider<Schema_86> prior) { |
| super(prior); |
| } |
| |
| @Override |
| protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException, SQLException { |
| try (PreparedStatement uuidRetrieval = |
| prepareStatement(db, "SELECT group_uuid FROM account_groups WHERE group_id = ?"); |
| PreparedStatement groupDeletion = |
| prepareStatement(db, "DELETE FROM account_groups WHERE group_id = ?"); |
| PreparedStatement groupNameDeletion = |
| prepareStatement(db, "DELETE FROM account_group_names WHERE group_id = ?")) { |
| for (AccountGroup.Id id : scanSystemGroups(db)) { |
| Optional<AccountGroup.UUID> groupUuid = getUuid(uuidRetrieval, id); |
| if (groupUuid.filter(SystemGroupBackend::isSystemGroup).isPresent()) { |
| groupDeletion.setInt(1, id.get()); |
| groupDeletion.executeUpdate(); |
| |
| groupNameDeletion.setInt(1, id.get()); |
| groupNameDeletion.executeUpdate(); |
| } |
| } |
| } |
| } |
| |
| private static Optional<AccountGroup.UUID> getUuid( |
| PreparedStatement uuidRetrieval, AccountGroup.Id id) throws SQLException { |
| uuidRetrieval.setInt(1, id.get()); |
| try (ResultSet uuidResults = uuidRetrieval.executeQuery()) { |
| if (uuidResults.first()) { |
| Optional.of(new AccountGroup.UUID(uuidResults.getString(1))); |
| } |
| } |
| return Optional.empty(); |
| } |
| |
| private static Set<AccountGroup.Id> scanSystemGroups(ReviewDb db) throws SQLException { |
| try (Statement stmt = newStatement(db); |
| ResultSet rs = |
| stmt.executeQuery("SELECT group_id FROM account_groups WHERE group_type = 'SYSTEM'")) { |
| Set<AccountGroup.Id> ids = new HashSet<>(); |
| while (rs.next()) { |
| ids.add(new AccountGroup.Id(rs.getInt(1))); |
| } |
| return ids; |
| } |
| } |
| } |