Hibernate/SQL SERVER java.sql.SQLException：无法将 NULL 值插入具有默认值的列

Question

拥有 Hibernate 和 SQL 服务器，当我想更新一个名为Client的实体时遇到问题。 客户端实体具有审计字段，例如创建/更新后者的当前用户的名称以及这些操作发生的日期时间。 这里的问题是，当更新发生时，会抛出java.sql.SQLException ，在日志下方以获取更多详细信息：

引起：java.sql.SQLException：无法将值 NULL 插入列 'IS_SUPPRIMER'，表 'IJSAIES._CODE;。 列不允许空值。 更新失败。 at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:368) ~[jtds-1.2.4.jar:1.2.4] at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java: 2820) ~[jtds-1.2.4.jar:1.2.4] at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2258) ~[jtds-1.2.4.jar:1.2.4] at net.sourceforge.jtds.jdbc.TdsCore.getMoreResults(TdsCore.java:632) ~[jtds-1.2.4.jar:1.2.4] at net.sourceforge.jtds.jdbc.JtdsStatement.processResults(JtdsStatement.java:584 ) ~[jtds-1.2.4.jar:1.2.4] 在 net.sourceforge.jtds.Z84BEFFD3A0D49636A58CE6080CAA87C 7Z.JtdsStatement.executeSQL(JtdsStatement.java:546) ~[jtds-1.2.4.jar:1.2.4] at net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeUpdate(JtdsPreparedStatement.java:506) ~[jtds-1.2 .4.jar:1.2.4] at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:197) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3421) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.persister.entity.AbstractEntityPersister.更新或插入（AbstractEntityPersister.Z93F725A07423FE1C889F448B33D2 1F46Z:3283) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3695) ~[hibernate-core-5.4 .10.Final.jar:5.4.10.Final] at org.hibernate.action.internal.EntityUpdateAction.execute(EntityUpdateAction.java:149) ~[hibernate-core-5.4.10.Final.jar:5.4.10. Final] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:604) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.engine.spi. ActionQueue.lambda$executeActions$1(ActionQueue.java:478) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] 在 Z93F725A074 89F448B33D21F46Z.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[?:?] at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:475) ~[hibernate-core-5.4.10.Final .jar:5.4.10.Final] at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:348) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org .hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:40) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.event.service.internal.EventListenerGroupImpl. fireEventOnEachListener（EventListenerGroupImpl.java:108）~[hibernate-core-5.4 .10.Final.jar:5.4.10.Final] at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1344) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:435) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl. java:3221) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2389) ~[hibernate-core-5.4.10 .Final.jar:5.4.10.Final] 在 org.hibernate.engine.Z84BEFFD3A0D49636A58CE6080CAA87 C7Z.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:447) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl .beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:183) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$300(JdbcResourceLocalTransactionCoordinatorImpl .java:40) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcRe sourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:281) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java :101) ~[hibernate-core-5.4.10.Final.jar:5.4.10.Final] at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:534) ~[spring-orm-5.2. 3.RELEASE.jar:5.2.3.RELEASE]... 98 更多

请注意， IS_SUPPRIMER列是指示该列是否被删除的审计字段（IS_SUPPRIMER=true /deleted，IS_SUPPRIMER=false/未删除），因此我们进行了逻辑删除而不是物理删除。

这里奇怪的是，映射到TF_CLIENT表的客户端实体在脚本下方有一个名为IS_SUPPRIMER的默认值列：

CREATE TABLE [dbo].[TF_CLIENT] (
    [CLT_ID] [bigint] IDENTITY(1,1) NOT NULL,
    [CLT_LIBELLE] [nvarchar](50) NOT NULL,
    [CLT_DT_OUVERTURE] [date] NOT NULL,
    [CLT_DT_FERMETURE] [date],
    [CLT_B_ACTIF] [bit] CONSTRAINT DF_TF_CLIENT_B_ACTIF DEFAULT 1 NOT NULL,
    [DATE_CREATION] [datetime2](3),
    [DATE_MODIFICATION] [datetime2](3),
    [DATE_SUPRESSION] [datetime2](3),
    [AUTEUR_CREATION] [nvarchar](100),
    [AUTEUR_MODIFICATION] [nvarchar](100),
    [AUTEUR_SUPRESSION] [nvarchar](100),
    [IS_SUPPRIMER] [bit] CONSTRAINT DF_TF_UTILISATEUR_IS_SUPPRIMER DEFAULT 0 NOT NULL
    CONSTRAINT UQ_CLT_LIBELLE UNIQUE(CLT_LIBELLE),
    CONSTRAINT PK_TF_CLIENT PRIMARY KEY CLUSTERED
(
[CLT_ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
    ) ON [PRIMARY]
    END

那么为什么更新这样的客户端实体需要一个已经有默认值的IS_SUPPRIMER值呢？

在审核 class 的代码下方：

@Embeddable
@Getter
@Setter
@NoArgsConstructor
public class FieldAuditing implements Serializable {

    @Column(name = "DATE_CREATION")
    private Instant createdAt;

    @Column(name = "DATE_MODIFICATION")
    private Instant updatedAt;

    @Column(name = "DATE_SUPRESSION")
    private Instant deletedAt;

    @Column(name = "AUTEUR_CREATION", length = 100)
    private String createdBy;

    @Column(name = "AUTEUR_MODIFICATION", length = 100)
    private String updatedBy;

    @Column(name = "AUTEUR_SUPRESSION", length = 100)
    private String deletedBy;

    @Column(name = "IS_SUPPRIMER")
    private Boolean isDeleted = false;

    @PrePersist
    public void prePersist() {
        if (this.isDeleted == null)
            setIsDeleted(Boolean.FALSE);
        setCreatedAt(Instant.now());
        setCreatedBy(LoggedInUser.get());
    }

    @PreUpdate
    public void preUpdate() {
        if (this.isDeleted == null)
            setIsDeleted(Boolean.FALSE);
        setUpdatedAt(Instant.now());
        setUpdatedBy(LoggedInUser.get());
    }

}

还有客户端实体 class：

@Entity
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Table(name="TF_CLIENT", schema="dbo")
public class Client implements Serializable {

    private static final long serialVersionUID = 8832848102370267801L;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO, generator="native")
    @GenericGenerator(name = "native", strategy = "native")
    @Column(name = "CLT_ID", nullable = false)
    private Long id;

    @Column(name = "CLT_LIBELLE", nullable = false, length = 50, unique = true)
    private String libelle;

    @Temporal(TemporalType.DATE)
    @Column(name = "CLT_DT_OUVERTURE", nullable = false)
    private Date dateOuverture;

    @Temporal(TemporalType.DATE)
    @Column(name = "CLT_DT_FERMETURE")
    private Date dateFermeture;

    @Column(name = "CLT_B_ACTIF")
    private boolean isActif;

    @Embedded
    private FieldAuditing fieldAuditing = new FieldAuditing() ;

    @JsonIgnore
    @OneToMany
    @Builder.Default
    @JoinColumn(name="CLI_ID")
    Set<Etablissement> etablissements = Collections.emptySet();

    @JsonIgnore
    @OneToMany(cascade = { CascadeType.PERSIST, CascadeType.MERGE })
    @JoinColumn(name="CLI_ID")
    @Builder.Default
    @Setter(AccessLevel.NONE)
    Set<CodePaie> codePaies = new HashSet<>();

    @OneToMany(fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, mappedBy = "client", orphanRemoval = true)
    @Builder.Default
    @Setter(AccessLevel.NONE)
    Set<ClientAction> clientActions = Sets.newHashSet();

    @OneToMany(fetch = FetchType.EAGER, cascade = {CascadeType.ALL}, mappedBy = "client", orphanRemoval = true)
    @Builder.Default
    @Setter(AccessLevel.NONE)
    Set<ClientEtat> clientEtats = Sets.newHashSet();

    public void addClientActions(Set<ClientAction> clientActions) {
        clientActions.forEach(clientAction -> clientAction.setClient(this));
        this.clientActions.addAll(clientActions);
    }

    public void addClientEtats(Set<ClientEtat> clientEtats) {
        clientEtats.forEach(etat -> etat.setClient(this));
        this.clientEtats.addAll(clientEtats);
    }

    public void addCodePaies(Set<CodePaie> codePaies) {
        codePaies.forEach(codePaie -> codePaie.setClient(this));
        this.codePaies.addAll(codePaies);
    }

    public void removeAllCodePaie() {
        codePaies.forEach(codePaie -> codePaie.setClient(null));
        this.codePaies.clear();
    }

}

最后是更新客户端实体的代码片段：

 private ClientDto save(ClientDto clientDto, Client client) {
        startDateShouldBeBeforeEndDate(clientDto);
        hasUniqueCodePaies(clientDto.getCodePaies());
        Client clientSaved = clientRepository.save(clientMapper.toEntity(clientDto, client));
        clientMapper.addOrRemoveClientActions(clientDto, clientSaved);
        clientMapper.addOrRemoveClientEtats(clientDto, clientSaved);
        clientRepository.save(clientSaved);
        clientDto.setId(clientSaved.getId());
        return clientDto;
    }

请您看看我的问题描述并帮助我。

我很感激任何帮助。

Answer 1

异常表明问题出在 TF_CODE_PAIE 而不是 TF_CLIENT。 我猜 TF_CODE_PAIE.IS_SUPPRIMER 没有默认值。

Answer 2

JPA 对表的所有字段执行查询。 因此，当您不设置isDeleted字段时，它 null 和 JPA 使用 null 值执行查询isDeleted字段，这就是您收到错误的原因。

这意味着您正在尝试在错误的非空字段中设置 null 值。 默认表示当您未在 sql 查询中设置该字段时，将其设置为默认值。 用这个

@Column(name = "IS_SUPPRIMER", columnDefinition = "bit default 0")
private Boolean isDeleted;