我有兩個實體,測試用例和TestCaseStep,定義如下包含列表單向關係:JPA - 有重複的條目
的TestCase
@Entity
@Table(name = "TEST_CASE")
public class TestCase implements Serializable, TestCase
{
@Id
@Column(name = "name")
private String name;
@OneToMany(fetch = FetchType.EAGER)
@JoinTable(name = "Testcase_Step_Association", joinColumns = { @JoinColumn(name = "TC_NAME", referencedColumnName = "NAME") }, inverseJoinColumns = {
@JoinColumn(name = "STEP_NAME", referencedColumnName = "NAME") })
@OrderColumn(name = "STEP_NUMBER", nullable = false)
private List<TestCaseStep> testCaseSteps;
[...]
}
TestCaseStep
@Entity
@Table(name = "TEST_CASE_STEPS")
public class TestCaseStep implements Serializable, TestCaseStep
{
@Id
@Column(name = "name")
private String name;
[...]
}
這隻要我不嘗試將相同的對象插入到列表中,就可以正常工作測試用例不止一次地執行。一旦我嘗試,我得到一個主鍵違規:
Caused by: org.h2.jdbc.JdbcSQLException: Eindeutiger Index oder Prim�rschl�ssel verletzt: "PRIMARY_KEY_9 ON PUBLIC.TESTCASE_STEP_ASSOCIATION(TC_NAME, TESTCASESTEPS_NAME) VALUES ('TESTCASE_1', 'OUT_STEP', 395)"
Unique index or primary key violation: "PRIMARY_KEY_9 ON PUBLIC.TESTCASE_STEP_ASSOCIATION(TC_NAME, TESTCASESTEPS_NAME) VALUES ('TESTCASE_1', 'OUT_STEP', 395)"; SQL statement:
INSERT INTO Testcase_Step_Association (testCaseSteps_NAME, TC_NAME, STEP_NUMBER) VALUES (?, ?, ?) [23505-191]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
at org.h2.message.DbException.get(DbException.java:179)
at org.h2.message.DbException.get(DbException.java:155)
at org.h2.index.BaseIndex.getDuplicateKeyException(BaseIndex.java:107)
at org.h2.mvstore.db.MVSecondaryIndex.checkUnique(MVSecondaryIndex.java:230)
at org.h2.mvstore.db.MVSecondaryIndex.add(MVSecondaryIndex.java:189)
at org.h2.mvstore.db.MVTable.addRow(MVTable.java:704)
at org.h2.command.dml.Insert.insertRows(Insert.java:156)
at org.h2.command.dml.Insert.update(Insert.java:114)
at org.h2.command.CommandContainer.update(CommandContainer.java:98)
at org.h2.command.Command.executeUpdate(Command.java:258)
at org.h2.jdbc.JdbcPreparedStatement.executeUpdateInternal(JdbcPreparedStatement.java:160)
at org.h2.jdbc.JdbcPreparedStatement.executeUpdate(JdbcPreparedStatement.java:146)
at com.sun.gjc.spi.base.PreparedStatementWrapper.executeUpdate(PreparedStatementWrapper.java:125)
at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:892)
... 193 more
我需要允許我的用戶多次重複相同的測試用例步驟。我怎樣才能做到這一點,而無需使用單獨的實體來映射我自己的關係?
更改DDL腳本以使訂單列成爲連接表的pk的一部分,儘管EclipseLink不支持重複項按照http://stackoverflow.com/questions/15690347/persist-a-list-with順序和重複在jpa-eclipselink – Chris
那麼,這是令人尷尬的。在發佈之前,我做了一些研究,但從未偶然發現過這篇文章。謝謝!我會立即投票。 – Kubus