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POAdding index on a existing table in hibernate
 

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  1. POAdding index on a existing table in hibernate
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    <p>I have OneToMany relationship between Job and Detail entities and both have common parent(BaseEntity) </p> <pre><code>@MappedSuperclass public abstract class BaseEntity { @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "id") private Long id; @Version @Column(name = "version") private Integer version; @Temporal(TemporalType.TIMESTAMP) @Column(name = "create_time") private Date createTime; @Temporal(TemporalType.TIMESTAMP) @Column(name = "last_update_time") private Date lastUpdateTime; @PrePersist public void prePersist() { createTime = new Date(); } @PreUpdate public void preUpdate() { lastUpdateTime = new Date(); } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public Integer getVersion() { return version; } public void setVersion(Integer version) { this.version = version; } public Date getCreateTime() { return createTime; } public void setCreateTime(Date createTime) { this.createTime = createTime; } public Date getLastUpdateTime() { return lastUpdateTime; } public void setLastUpdateTime(Date lastUpdateTime) { this.lastUpdateTime = lastUpdateTime; } } </code></pre> <p>Job </p> <pre><code>public class Job extends BaseEntity { ... @OneToMany(mappedBy = "job", cascade = CascadeType.ALL, fetch=FetchType.EAGER) @OrderColumn private List&lt;Detail&gt; detailList; ... } </code></pre> <p>Detail </p> <pre><code>@Entity public class Detail extends BaseEntity { ... @ManyToOne private Job job; ... } </code></pre> <p>The job table has about 200K rows, and the detail table has 3M rows. If I get the details of a specific job, it takes 2sec with a native query. I created index for job_id column by running sql statement. And the query response is about 20 msec now. However, the app is in production now and it has data therefore I want to create the index by adding annotation not running sql statement. I added @OrderColumn annotation in order to create index, and while fetching it gives the following exception. By the way, the job_id column on Detail table was named by hibernate. I did not explicitly give a name for the column. </p> <pre><code>org.hibernate.HibernateException: null index column for collection: tr.com.ttnet.beyazfatura.model.Job.detailList at org.hibernate.persister.collection.AbstractCollectionPersister.readIndex(AbstractCollectionPersister.java:770) at org.hibernate.collection.PersistentList.readFrom(PersistentList.java:402) at org.hibernate.loader.Loader.readCollectionElement(Loader.java:1156) at org.hibernate.loader.Loader.readCollectionElements(Loader.java:774) at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:622) at org.hibernate.loader.Loader.doQuery(Loader.java:829) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274) at org.hibernate.loader.Loader.loadCollection(Loader.java:2166) at org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:62) at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:627) at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:83) at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1863) at org.hibernate.collection.AbstractPersistentCollection.forceInitialization(AbstractPersistentCollection.java:479) at org.hibernate.engine.StatefulPersistenceContext.initializeNonLazyCollections(StatefulPersistenceContext.java:900) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:279) at org.hibernate.loader.Loader.doList(Loader.java:2533) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276) at org.hibernate.loader.Loader.list(Loader.java:2271) at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1716) at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347) at tr.com.ttnet.beyazfatura.ejb.ModelOperations.getJobs(ModelOperations.java:488) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37) at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54) at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy250.getJobs(Unknown Source) at tr.com.ttnet.beyazfatura.ejb.ModelOperations_vrg1wg_ModelOperationsLocalImpl.__WL_invoke(Unknown Source) at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:39) at tr.com.ttnet.beyazfatura.ejb.ModelOperations_vrg1wg_ModelOperationsLocalImpl.getJobs(Unknown Source) at tr.com.ttnet.datamodel.JobLazyDataModel.load(JobLazyDataModel.java:86) at org.primefaces.component.datatable.DataTable.loadLazyData(DataTable.java:644) at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:178) at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:103) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:879) at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:61) at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:45) at org.primefaces.component.panel.PanelRenderer.encodeContent(PanelRenderer.java:185) at org.primefaces.component.panel.PanelRenderer.encodeMarkup(PanelRenderer.java:108) at org.primefaces.component.panel.PanelRenderer.encodeEnd(PanelRenderer.java:55) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:879) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1655) at javax.faces.render.Renderer.encodeChildren(Renderer.java:164) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:849) at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:57) at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:45) at org.primefaces.component.layout.LayoutUnitRenderer.encodeEnd(LayoutUnitRenderer.java:51) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:879) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1655) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1651) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1651) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1651) at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:395) at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:127) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:117) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:135) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:309) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at tr.com.ttnet.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:40) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207) at weblogic.work.ExecuteThread.run(ExecuteThread.java:176) 2012-02-13 14:08:41,462 WARN (LoadContexts.java:132) - fail-safe cleanup (collections) : org.hibernate.engine.loading.CollectionLoadContext@d39617&lt;rs=weblogic.jdbc. wrapper.ResultSet_oracle_jdbc_driver_OracleResultSetImpl@a67&gt; 2012-02-13 14:08:41,463 WARN (CollectionLoadContext.java:370) - On CollectionLoadContext#cleanup, localLoadingCollectionKeys contained [1] entries </code></pre>
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    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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