ObjectDB Database Search

because both are used to iterate over objects. Range variables Range variables are query identification variables ... explicitly in the name element of the @Entity annotation. Multiple range variables are allowed ... countries. Caution is required when using multiple range variables. Iteration over about 1,000,000

to an entity class is called a range variable. Range variables define an iteration over all the database objects of a bound entity class and its descendant classes. In the query above, c is a range ... object from the iteration of the c range variable, which in this case includes all Country objects in

them to accelerate query execution. Indexes are especially efficient for lookup and range queries: SELECT p ... matches the field order in the WHERE clause, ObjectDB can perform a more efficient range scan

= c.population * 11 / 10 The UPDATE clause defines exactly one range variable (with or ... . The SET clause defines one or more field-update expressions, which use the range variable

can manage databases of various sizes efficiently, ranging from kilobytes to terabytes . Platform ... for efficient reuse of one query in multiple executions. Result range settings (first, max) - for paging

, a CriteriaQuery instance is created to represent the query. A Root instance defines the FROM clause's range variable. Finally, the range variable, c , is used in the SELECT clause as the query's result

addresses in a comma-separated list and use a hyphen (-) to specify a range . For example, a value of "192.18.0.0-192.18.194.255,127.0.0.1" allows connections from any IP address in the range 192.18.0.0

The Query and TypedQuery interfaces define various methods for setting and tuning query execution . To take effect, you must invoke these methods before running a query with getResultList or getSingleResult . Result range (setFirstResult, setMaxResults) The setFirstResult and setMaxResults methods

and retrieval). Simplifies queries on dates and date ranges . When an entity is stored, its date

ObjectDB is highly scalable and can manage efficiently databases in a wide range of sizes, from a few Kilobytes to hundreds of Gigabytes and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded multi user applications. ObjectDB

over all Country objects in the database, using c as the range variable. Before passing these Country objects

product. Suitable for database files ranging from kilobytes to terabytes. Supports both Client-Server

of elements. Use the First and Max fields to set the result range . Select the Disable Cache checkbox to bypass

their primary key, and execute queries which range over entity types. An entity may be disassociated from ... pessimistic lock on an entity instance. The full range of possible lock types is enumerated by LockModeType

a specified range : SELECT p.x as x, p.y as y FROM Point p WHERE p.x BETWEEN :low AND :high Use copy

I have an entity with 2 @ID @Entity public class TheTable extends AbstractMMODataObject { @Id String userId; @Id long range ; It was a mistake, I really should have just made  range an @Index but it already has millions of records in it. I am wondering if I query select t from  TheTable t where range

to have: 1. Export of selected data: a. Simple - Select a range of cells or a column header and copy ... to split the results by id ranges (adding additional top levels to the tree, similarly to viewing

; My query was a simple select statement with a where clause like where t.id=:id and t. range =: range

result range ( setFirstResult , setMaxResults ) for this purpose is indeed inefficient, because some ... is only with setFirstResult and using setMaxResults may be fine. If not check if you can retrieve ranges

+ records by UserID atribute, tables have from 5 to 20 atributes. Usualy the results range from ... range . Regards.   peric.emil Emil Perić With proper indexes defined, queries on millions

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.o.SYH

(you can keep all the primary keys in memory or use a simple test database with a continuous range of simple

. It may be supported by ObjectDB in the future as it may be useful for some range queries.   support Support

range using setFirstResult and setMaxResults . support Support Thanks you!!! mgarciat Miguel

will be needed in order to explore this issue, including range of affected ObjectDB versions. support Support I

) in which HOUR returns a value in the 0-23 range . support Support Thanks for the fix. New version works well. lwalkowski Lukasz Walkowski

On startup of a Maven-based web app there is verbose logging of object checking whether enhancement has been applied to a wide range of classes, many of which have nothing to do with the entity layer. For example, it is checking whether PrimeFaces JSF toolkit classes are enhanced. I am using

Hi, Today I was playing with some date- range queries in explorer and found a small problem. When you try to use queries like this: SELECT o from TestObject o where o.date :someDate where o.date is java.util.Date, 'where' doesn't work as it should. Results are not filtered by date

I have a "Table" that currently has  @Id private String userId; @Id private long range ; private String someOtherField; I need to add a @Id to someOtherField.  But when I add that, and query the table all the PK fields are null or 0.  What can I do to modify primary keys?  

? cvtsc Dev Team It could be in the range of 15-30 threads, but choosing the best value will require

in 100% of the cases. If I limit the amount of positons to update by specifying an id ranges

considerably worse. Our DB files range from 700MB to 5GB. So the question which arises: does

Is there LIMIT or TOP functions in object db? If so can you provide some examples? vinodh vinodhkumar You can set query result range by using the setFirstResult and setMaxResults methods. You can find more details and an example in the manual . support Support Thanks. This solved my purpose. vinodh vinodhkumar

the result range ? How many products are you trying to retrieve in every query execution

) 3XMTHREADINFO2 (native stack address range from:0x00007F00CBFB1000, to:0x00007F00CC9B2000, size

), and ((Practice)e).messageList is not a valid FROM/JOIN range expression. Apparently there is no support

) The consumer can select the "next" object based on a range of potentially complex criteria. 2

.createEntityManager(); em.getTransaction().begin(); IntStream. range (0, 1000000).forEach(i

keys were either ascending or descending, since then a range query could just pick the first or last

Improved recovery from failure when recovery is enabled with no sync  ( issue #2293 ). Added support of using JDO listeners with JPA EntityManager. Added debug logging got persist cascading ( issue #2299 ). Fixed a bug in restricting server access to a range of IPs ( issue #2292 ). Fixed

url. Fixed performance issue ( fetch optimization ) in range queries. Fixed cached result size

#2834 ). Fixed a bug in executing compound range queries using an index ( issue #2853 ). Fixed a bug