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14 * Lesser General Public License for more details.
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20 package org.sonar.server.platform.db.migration.sql;
22 import java.util.List;
23 import org.sonar.db.dialect.Dialect;
24 import org.sonar.db.dialect.H2;
25 import org.sonar.db.dialect.MsSql;
26 import org.sonar.db.dialect.Oracle;
27 import org.sonar.db.dialect.PostgreSql;
29 import static java.util.Collections.singletonList;
30 import static org.sonar.server.platform.db.migration.def.Validations.validateIndexName;
31 import static org.sonar.server.platform.db.migration.def.Validations.validateTableName;
33 public class DropConstraintBuilder {
35 private final Dialect dialect;
36 private String tableName;
37 private String constraintName;
39 public DropConstraintBuilder(Dialect dialect) {
40 this.dialect = dialect;
43 public DropConstraintBuilder setTable(String s) {
48 public DropConstraintBuilder setName(String s) {
49 this.constraintName = s;
53 public List<String> build() {
54 validateTableName(tableName);
55 validateIndexName(constraintName);
56 return singletonList(createSqlStatement());
59 private String createSqlStatement() {
60 switch (dialect.getId()) {
65 return "ALTER TABLE " + tableName + " DROP CONSTRAINT " + constraintName;
67 throw new IllegalStateException("Unsupported dialect for drop of constraint: " + dialect);