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- /*
- * SonarQube
- * Copyright (C) 2009-2023 SonarSource SA
- * mailto:info 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.sql;
-
- import com.google.common.base.Preconditions;
- import java.sql.Connection;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.util.Arrays;
- import java.util.LinkedList;
- import java.util.List;
- import java.util.stream.Collectors;
- import org.sonar.db.Database;
- import org.sonar.db.dialect.MsSql;
-
- import static java.lang.String.format;
-
- /**
- * See SONAR-13948. Some columns created in SQ < 5.6 were created with the default command which generated constraints on MS SQL server.
- */
- public class DropMsSQLDefaultConstraintsBuilder {
- private final Database db;
- private String tableName;
- private String[] columns;
-
- public DropMsSQLDefaultConstraintsBuilder(Database db) {
- this.db = db;
- }
-
- public DropMsSQLDefaultConstraintsBuilder setTable(String s) {
- this.tableName = s;
- return this;
- }
-
- public DropMsSQLDefaultConstraintsBuilder setColumns(String... columns) {
- this.columns = columns;
- return this;
- }
-
- public List<String> build() throws SQLException {
- Preconditions.checkArgument(columns.length > 0, "At least one column expected.");
- Preconditions.checkArgument(MsSql.ID.equals(db.getDialect().getId()), "Expected MsSql dialect was: " + db.getDialect().getId());
- return getMsSqlDropDefaultConstraintQueries();
- }
-
- private List<String> getMsSqlDropDefaultConstraintQueries() throws SQLException {
- List<String> dropQueries = new LinkedList<>();
- if (MsSql.ID.equals(db.getDialect().getId())) {
- List<String> defaultConstraints = getMssqlDefaultConstraints();
- for (String defaultConstraintName : defaultConstraints) {
- dropQueries.add("ALTER TABLE " + tableName + " DROP CONSTRAINT " + defaultConstraintName);
- }
- }
- return dropQueries;
- }
-
- private List<String> getMssqlDefaultConstraints() throws SQLException {
- List<String> defaultConstrainNames = new LinkedList<>();
- String commaSeparatedListOfColumns = Arrays.stream(columns).map(s -> "'" + s + "'")
- .collect(Collectors.joining(","));
- try (Connection connection = db.getDataSource().getConnection();
- PreparedStatement pstmt = connection
- .prepareStatement(format("SELECT d.name FROM sys.tables t "
- + "JOIN sys.default_constraints d ON d.parent_object_id = t.object_id "
- + "JOIN sys.columns c ON c.object_id = t.object_id AND c.column_id = d.parent_column_id "
- + "WHERE t.name = '%s' AND c.name in (%s)", tableName, commaSeparatedListOfColumns));
- ResultSet rs = pstmt.executeQuery()) {
- while (rs.next()) {
- defaultConstrainNames.add(rs.getString(1));
- }
- }
- return defaultConstrainNames;
- }
-
- }
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