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Mapped By Fetch is very Slow

in my application is more due to that problem than the left join one. ( Note : The left join index ... an index on the owner side of the relationship (MyEntityChild.myEntity) may improve the execution
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Navigation to Collection Elements

. up to one million) then every supported query might be fine. Indexes, for example, are not supported in handling such expressions. Indexes are supported in handling more conventional collection expressions (by
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NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1

serialVersionUID = 1L; @ManyToOne @Index private City city; @OneToMany ... ; @ManyToOne @Index private Person owner; private String name; public
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ObjectDB version 2.2 has been released

after index deletion. Changed default configuration (enabled recovery, disabled recording). Fixed a critical ... classes. Fixed a bug in handling indexes in a new ancestor class. Fixed a query cache bug. Fixed
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odb files and config file

'/db/account.odb' viewId=/index.xhtml location=/Users/USER/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/PROJECT/index.xhtml phaseId=RENDER_RESPONSE(6) And I read
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Optimization Question

, if your classes have many indexes - smart comparison might be faster. If there are no indexes
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Performance tuning, best practices

" />           <index-update enabled="true" priority="40 ... is to explore that query, rephrase it if possible and/or define additional indexes. hgzwicker
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Possible issue with String fields

to commit transaction: String index out of range: 5 (error 613) at com.objectdb.jpa.EMImpl.commit ... .StringIndexOutOfBoundsException: String index out of range: 5 at java.lang.String.charAt(String.java:695) at com.objectdb
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Possible issue with timestamps

(long id) {             this.id = id;         }         @Index(unique="false")         public ... (String firstname) {             this.firstname = firstname;         }         @Index(unique
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Query by array element

MyEntity {         boolean properties[] = new boolean[1024];         boolean isProperty(int index) {             return properties[index];         }      } } haromlabu