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@ 엔티티를로드 할 때 @Formula 주석을 사용하여 집계 함수를 사용합니다.최대 절전 모드로 @Formula에 가입
다음 문장을 사용하면 예외가 발생합니다.
(SELECT sum(inovalue.vba) FROM INO i_no INNER JOIN i_no.listValues inovalue WHERE i_no.id = '91c78419-e528-453f-a60d-9f2050e12c79')
Caused by: java.sql.SQLSyntaxErrorException: Syntax error: Encountered "WHERE" at line 1, column 401.
at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
at org.apache.derby.client.am.Connection.prepareStatement(Unknown Source)
at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:213)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:534)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:452)
at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1700)
at org.hibernate.loader.Loader.doQuery(Loader.java:801)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
at org.hibernate.loader.Loader.loadCollection(Loader.java:2166)
... 17 more
Caused by: org.apache.derby.client.am.SqlException: Syntax error: Encountered "WHERE" at line 1, column 401.
at org.apache.derby.client.am.Statement.completeSqlca(Unknown Source)
at org.apache.derby.client.net.NetStatementReply.parsePrepareError(Unknown Source)
at org.apache.derby.client.net.NetStatementReply.parsePRPSQLSTTreply(Unknown Source)
at org.apache.derby.client.net.NetStatementReply.readPrepareDescribeOutput(Unknown Source)
at org.apache.derby.client.net.StatementReply.readPrepareDescribeOutput(Unknown Source)
at org.apache.derby.client.net.NetStatement.readPrepareDescribeOutput_(Unknown Source)
at org.apache.derby.client.am.Statement.readPrepareDescribeOutput(Unknown Source)
at org.apache.derby.client.am.PreparedStatement.readPrepareDescribeInputOutput(Unknown Source)
at org.apache.derby.client.am.PreparedStatement.flowPrepareDescribeInputOutput(Unknown Source)
at org.apache.derby.client.am.PreparedStatement.prepare(Unknown Source)
at org.apache.derby.client.am.Connection.prepareStatementX(Unknown Source)
... 26 more
내가 @Formular 주석의 외부 문을 사용하는 경우, 내가 올바른 결과를 얻을 것이다. 내가이 주석을 INO 객체가 아니라 다른 객체에서 사용한다고 말해야합니다.
이들은 축소 된 형태의 엔티티입니다.
법인 고사
@Entity
@Table(name = "cs")
public class Cs {
@Id
@GeneratedValue(generator="uuid")
@GenericGenerator(name="uuid", strategy="org.hibernate.id.UUIDGenerator")
@Column(length=40)
private String id = "";
@Column(name = "inoId_ref_id", length = 40)
private String inoId = null;
@Formula("(SELECT sum(inovalue.vba) FROM Ino i_no INNER JOIN i_no.listValues inovalue WHERE i_no.id = inoId)")
private Double lbst = null;
public Cs() {
}
}
법인 이노
@Entity
@FilterDef(name="inoDateFilter", [email protected](name="inoDateFilterParam", type="integer"))
@Table(name="ino")
public class Ino {
@Id
@GeneratedValue(generator="uuid")
@GenericGenerator(name="uuid", strategy="org.hibernate.id.UUIDGenerator")
@Column(length=40)
private String id = "";
@OneToMany (orphanRemoval=true, cascade=CascadeType.ALL)
@LazyCollection(value=LazyCollectionOption.FALSE)
@JoinColumn(name = "ioifeflref_id")
@Filter(name = "inoDateFilter", condition="year(datumVon) = :inoDateFilterParam")
@OrderBy("datumVon ASC")
private List<InoValue> listIntervallFeFl = new ArrayList<InoValue>();
public INO() {
}
}
법인 InoValue
@Entity
@Table(name="inovalue")
public class InoValue {
@Id
@GeneratedValue(generator="uuid")
@GenericGenerator(name="uuid", strategy="org.hibernate.id.UUIDGenerator")
@Column(length=40)
private String id = "";
@Column(name = "vba")
private Double vba = null;
*/
public InoValue() {
}
}
What's 잘못? 테스트를 위해 derby 데이터베이스를 사용합니다.
누군가 아이디어가 있습니까?
감사 MS-테크