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46

Insertion Speed Rate and Batch Load

1. I got about 10K inserts / second, is it normal? I would expect more than that, like close to 100K/second. I can definitely do 80K inserts/seconds on Oracle with batch insert on table with one primary key. 2. Is batch update/insert operation supported? I attached the files. edy_at_ssn Edy Oey
45

Insert time increases as db grows.

Hello, I've just installed ObjectDB and done some tests. I'm inserting 22k of records like 10k ... have index on String column. Entities are not enhanced and inserts are committed in a separate ... ; then 11 seconds and so on. Should I change my config in some way to get more stable insertion time
43

Inserted entities with strings as keys and indices needs more and more ram memory in comparing to primitive integers as keys and indices

Hello, I have a problem with inserting of many entities. We use strings as primary key and indices. But if the db table of the entity type contains more and more data then the inserting of further entities needs also more and more ram memory, this leads to out of memory exceptions. But if use
43

Insert a new entity class in a class hierarchy does not work

Hello, we have an entity class hierarchy and we want to insert a new entity in this hierarchy and our database must be automatically updated by schema evolution. Unfortunately it does not work ... would be also inserted new in the class hierarchy then it works well. See our example in the attachments. Execute
26

MapKeyJoinColumn.insertable

Annotation Element javax.persistence.MapKeyJoinColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0
26

Column.insertable

Annotation Element javax.persistence.Column boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 1.0
26

MapKeyColumn.insertable

Annotation Element javax.persistence.MapKeyColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0
26

JoinColumn.insertable

Annotation Element javax.persistence.JoinColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 1.0
26

OrderColumn.insertable

Annotation Element javax.persistence.OrderColumn boolean insertable (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0
9

ObjectDB needs "insert ignore"

Hi, The command "insert ignore into" in mysql can avoid interruptions caused by program errors ... have to create a repeated topic. how to implement insert ignore in objectdb? gzdillon Lai Yang The post ... have to do this for inserting: @NamedQuery( name="isExistName", query="SELECT count(c) FROM Student c

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