I have this issue =>
2020-12-08 10:10:31.472 ERROR 7184 --- [ XNIO-1 task-4] c.f.timesheet.service.AppUserService : Exception in findOne() with cause = 'org.hibernate.exception.SQLGrammarException: could not extract ResultSet' and exception = 'could not extract ResultSet; SQL [n/a]; nested exception is org.hibernate.exception.SQLGrammarException: could not extract ResultSet'
Caused by: org.postgresql.util.PSQLException: ERROR: column performanc3_.app_user_internal_user_id does not exist
I want to add a new entity with a oneToMany relationship with the appUser. I search on stackoverflow some response but many time it's "just" the schema name the problem. So I added the schema name to each entities but it still doesn't work.
Maybe the issue is in my request?
There's the entities:
AppUser:
@Entity
@Table(name = "app_user", schema = "public")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class AppUser implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column(name = "internal_user_id", unique = true, nullable = false)
private Long id;
@Column(name = "phone")
private String phone;
@OneToOne(cascade = CascadeType.ALL)
@MapsId
private User internalUser;
@ManyToMany
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@JoinTable(
name = "app_user_job",
joinColumns = @JoinColumn(name = "internal_user_id"),
inverseJoinColumns = @JoinColumn(name = "job_id", referencedColumnName = "id")
)
private Set<Job> jobs = new HashSet<>();
@ManyToOne
@JsonIgnoreProperties(value = "appUsers", allowSetters = true)
private Company company;
@OneToMany(mappedBy = "appUser",cascade = CascadeType.REMOVE)
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
private Set<Performance> performances = new HashSet<>();
Performance:
@Entity
@Table(name = "performance", schema = "public")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class Performance implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "sequenceGenerator")
@SequenceGenerator(name = "sequenceGenerator")
private Long id;
@NotNull
@Min(value = 0)
@Max(value = 16)
@Column(name = "hours", nullable = false)
private Integer hours;
@NotNull
@Column(name = "date", nullable = false)
private LocalDate date;
@ManyToOne
@JsonIgnoreProperties(value = "performances_user", allowSetters = true)
private AppUser appUser;
@ManyToOne
@JsonIgnoreProperties(value = "performances_job", allowSetters = true)
private Job job;
And the request:
@Query(
"select appUser from AppUser appUser " +
"left join fetch appUser.jobs " +
"left join appUser.performances " +
" where appUser.id =:id"
)
Optional<AppUser> findOneWithEagerRelationships(@Param("id") Long id);
And there's the liquibase xml:
appUser:
<changeSet id="20201111182357-1" author="jhipster">
<createTable tableName="app_user">
<column name="internal_user_id" type="bigint">
<constraints primaryKey="true" nullable="false"/>
</column>
<column name="phone" type="varchar(255)">
<constraints nullable="true" />
</column>
<column name="company_id" type="bigint">
<constraints nullable="true" />
</column>
<!-- jhipster-needle-liquibase-add-column - JHipster will add columns here -->
</createTable>
</changeSet>
<changeSet id="20201111182357-1-relations" author="jhipster">
<createTable tableName="app_user_job">
<column name="job_id" type="bigint">
<constraints nullable="false"/>
</column>
<column name="internal_user_id" type="bigint">
<constraints nullable="false"/>
</column>
</createTable>
<addPrimaryKey columnNames="internal_user_id, job_id" tableName="app_user_job"/>
</changeSet>
Performance:
<changeSet id="20201202093141-1" author="jhipster">
<createTable tableName="performance">
<column name="id" type="bigint">
<constraints primaryKey="true" nullable="false"/>
</column>
<column name="hours" type="integer">
<constraints nullable="false" />
</column>
<column name="date" type="date">
<constraints nullable="false" />
</column>
<column name="user_id" type="bigint">
<constraints nullable="true" />
</column>
<column name="job_id" type="bigint">
<constraints nullable="true" />
</column>
<!-- jhipster-needle-liquibase-add-column - JHipster will add columns here -->
</createTable>
</changeSet>
and his constraints
<changeSet id="20201202093141-2" author="jhipster">
<addForeignKeyConstraint baseColumnNames="user_id"
baseTableName="performance"
constraintName="fk_performance_user_id"
referencedColumnNames="internal_user_id"
referencedTableName="app_user"/>
<addForeignKeyConstraint baseColumnNames="job_id"
baseTableName="performance"
constraintName="fk_performance_job_id"
referencedColumnNames="id"
referencedTableName="job"/>
</changeSet>
Thank you
Your @Id
column is named internal_user_id
and the relation is appUser
, which translates to app_user
. So Hibernate guesses that the Performance.appUser
JoinColumn is app_user_internal_user_id
.
It's the job of Naming Strategies to guess physical column names when their are not explicit!
I guess you're using SpringImplicitNamingStrategy
which implements org.hibernate.boot.model.naming.ImplicitNamingStrategy
, it's worth reading the doc or this nice article: https://www.baeldung.com/hibernate-naming-strategy
I Find the solution. Don't know why but it was searching a app_user_internal_user_id column wich doesn't exist. I added @JoinColumn(name = "user_id") to performance entity and it works.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.