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3

Database is locked when in use

not JPA, and can you also please tell if i dont want the timestamp directory to be created ... . How should i get rid of Timestamp directory ? I am going to use the follwoing code     query ... "backup" directory not backup/[timestamp] directory. binitbhaskar Binit Bhaskar There is an undocumented
3

Unexpected COUNT Results

explorer: 1. Using ObjectDB explorer a. SELECT $1.id FROM Pa3DataKey $1 WHERE $1.timestamp <= 187526 ... $1 WHERE $1.timestamp <= 187526 AND ($1.dataItems.get('Sender') != 'PHY' AND $1.dataItems ... Pa3DataKey $1 WHERE $1.timestamp <= 187526 AND ($1.dataItems.get('Receiver') != 'PHY' AND $1
3

Query filter comparing Dates

time only (e.g. 23:59:59). java.sql.Timestamp - represents date and time (e.g. 2019-12-31 23:59:59 ... will see the same date and time (converted to local time) when retrieved from the database. Timestamp ... default is considered as a Timestamp. Therefore, the database contains converted elapsed times
3

@Column( name = "columnName") doesn't work

{ @Id @GeneratedValue @Column(name = "KEY_ID") private long id; private Long timestamp ... ; ..... } And expected that after import data to DB, fields must be with following names: KEY_ID, timestamp ... like member defined in class id, timestamp, keyDescriptor, dataItems, codedDataBlock, level
3

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

the decompiled enhanced output for entity classes. - I have also used UNIX file timestamp checking to ensure ... stage (and timestamp checking of enhanced .class files indicates that no "automatic" enhancement ... entity-related operations. I checked the timestamp of the enhanced entity classes, and they are time
3

Error 363 - Failed to read value of inverse relationship

String playerName, password, email; @Temporal(TemporalType.TIMESTAMP) private Date ... ; @Temporal(TemporalType.TIMESTAMP) private Date sendDate = new Date(); private String ... (TemporalType.TIMESTAMP) //    private Date sendDate = new Date(); // //    private String text
0

javax.persistence.spi.PersistenceProviderResolverHolder

getPersistenceProviderResolver() Returns the current persistence provider resolver. Returns the current persistence provider resolver. Returns: the current persistence provider resolver Since: JPA 2.0 void
0

javax.persistence.NonUniqueResultException

. This exception will not cause the current transaction, if one is active, to be marked for rollback. Since: JPA 1 ... information about the current state of the stack frames for the current thread. Returns: a reference
0

javax.persistence.LockTimeoutException

at commit time. The current transaction, if one is active, will be not be marked for rollback ... about the current state of the stack frames for the current thread. Returns: a reference to this Throwable instance
0

jdoGetTransactionalObjectId()

of the instance has not changed in the current transaction. If the JDO identity is being changed in the transaction, this method returns the current object id as modified in the current transaction

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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