ObjectDB Database Search

are found with field type GOOD. There are 2 ways generate the bug: Immediately after a new number ... number is printed. There is a 1 minute delay set. The same as 1, but keep ObjectDB's connection open. In this case rerunning the project many times doesn't help at all. Problem: the number of entities

; } @Entity public class PhoneNumber { @Id int number ; @ManyToMany(mappedBy = "contactInfo.phoneNumbers

tree with all the instances of a specific class. This is because numbering all the instances ... the maximum number of records 'N' (default to some small number like 10) to display ... , but they may contain collections (explicit or derived) with a large number of elements. Again, most likely I'm

the ObjectDB Server process has 3895 opened files, and from that number  3823 are opened sockets ... (firstdb and seconddb) and on the end of the line I wrote number of sockets, which ObjectDB Server ... . Number of opened sockets during the time: Thu Apr 15 15:11:01 CEST 2021 : 0 Thu Apr 15 19:03:01

, float) [2]     7  return       Line numbers :         ... .UNM$f [3]     4  areturn       Line numbers :         ... ;   Line numbers :         [pc: 0, line: 77]         [pc: 10

. The number 36 indicates type version number 36 (i.e. after 35 modification of some entity type). You have an object with that type version number but the type version doesn't exist in the database ... client may send its own version of the entity class to the server, the version numbers are increased

this: "com.btc.ep.*, while the new one will be "ep.*", where "*" can be any number of "sub"-packages ... , will there be any limit to the number of packages that we can specify? Will the number impact performance ... ;will there be any limit to the number of packages that we can specify? No. Will the number impact performance

a version number for every entity object, which is increased on every update. An  OptimisticLockException  is thrown when that version number indicates a concurrent update by another user (using ... to the entity class, so the version number will be injected to that field. Please check this version number

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery TypedQuery setFirstResult (    int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Returns: the same query instance. Throws

Jakarta Persistence (JPA) Method in jakarta.persistence.TableGenerator int allocationSize (Optional) The amount to increment by when allocating id numbers from the generator. Default: 50 Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder Expression exp (    Expression x ) Create an expression that returns the exponential of its argument, that is, Euler's number e raised to the power of its argument. Parameters: x - expression Returns: exponential. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateField MONTH The calendar month of the year, numbered from 1. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateField WEEK The ISO-8601 week number . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateField DAY The calendar day of the month, numbered from 1. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateField QUARTER The calendar quarter, numbered from 1 to 4. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField QUARTER The calendar quarter, numbered from 1 to 4. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField MONTH The calendar month of the year, numbered from 1. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField WEEK The ISO-8601 week number . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField DAY The calendar day of the month, numbered from 1. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField HOUR The hour of the day in 24-hour time, numbered from 0 to 23. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField MINUTE The minute of the hour, numbered from 0 to 59. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalDateTimeField SECOND The second of the minute, numbered from 0 to 59, including a fractional part representing fractions of a second Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalTimeField HOUR The hour of the day in 24-hour time, numbered from 0 to 23. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalTimeField MINUTE The minute of the hour, numbered from 0 to 59. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Field in jakarta.persistence.criteria.LocalTimeField SECOND The second of the minute, numbered from 0 to 59, including a fractional part representing fractions of a second Since: Jakarta Persistence (JPA) 1.0

don't have the numbers with me, but I can post what we discovered using different processing cache ... , we are working with an 8-core processor.  The recommended thread count is "more than the number of cores but not too many."  What would be an appropriate number of threads for the processing

stops once a day with no apperent reason. Second cause we suspect is the number of network connections ... , it could be the result of exceeding the maximum number of connections, maybe because new ... is that JBOSS is not on the same server as ObjectDB. After we increased heap size and number

; }     return setOfOtherEntities;   } Now consider a number of OtherEntities ... well, so, the TreeSet is reduced in size? Or do I end up having a number of null pointers in the Sets?  ... could it potentially lead to a number of different exceptions, depending on state, query type

is executed by a ThreadPoolExecuter and the result is stored in ObjectDB. Due to huge number ... and adaptor, pessimistic lock is used. Is this exception due to the limited number of supported thread by ObjectDB? (The default number of supported threads in ObjectDB configuration file is 10

limiting the number of result objects . If you must support very large query result sets, check the temp ... on your application. Reducing the number working threads in the server can also help. More specific analysis ... ;There is an easy work-around, which is to divide up the deletion into smaller number of objects.  I

entity of the parent entity with entityManager.remove the parent entity still has the wrong number ... ;testRemoveVariant1(). Before the entityManager.refresh call the parent entity has the wrong number of child ... (). Before the entityManger.refresh call the number of child entities is 4 and not 3. This is the reason

files. After conversion I got a slightly smaller file with same number of objects (e.g. 3,3GB old ... . Is the enormous increase of database file size caused by the number of not-embedded objects in ObjectDB 2 opposed ...   JDO annotation ? Yes. 1. Is the enormous increase of database file size caused by the number

database. Their size and number of records are almost identical. When running production database in ... , it seems that number of query results have large effect on speed, especially if we exceed certain threshold. Regards ... is different, possible due the size of the results (probably related to the number of related objects) First

if you provide the exact build number that you use (or upload the ObjectDB jar file). support Support Please find the attached object db jar. binitbhaskar Binit Bhaskar I couldn't find the build number ... number of the odbee jar which is being used is 2302 .  Regards, Binit Bhaskar binitbhaskar

how is the number of persistent objects counted. We unfortunately don't have the objectdb file anymore, but we have some doubts, that the number was not reached by the internal entitities. @javax.persistence.Entity ... (); } Could you please confirm us, how the licencing works in this case? Are only internal entities counted to limited number or

to work with numbers (milliseconds) rather than with dates. But this will not be a portable solution ... create or replace FUNCTION DATE_DELAY ( DATE IN DATE , PERIOD IN number , DELAY_PERIOD IN number ) RETURN

. SQLite in comparison responds within few seconds on average with the same number of records. We hope ... for about 60 seconds. By this time a number of new records are already being added by ... all of today testing with the index that you recommend as well as a number of others. The problem

Bhaskar In ObjectDB 1.x object IDs where always unique long numbers , so these numbers could represent ... , object ID). You should be able to get the number by casting the object ID (which is returned from

Interesting question. LIKE is a query operator for strings not for numbers , and apparently JPA does not define a standard method for converting numbers to strings. However, you can make use of the ObjectDB ability to run Java methods in queries and convert numbers to strings using the static method String

based on the number of search terms. For example, for two search terms: TypedQuery query = em ... there is one index, implemented using one BTree, for the entire database. The number of entries in this BTree may be much larger than the number of Page instances in the database, because each Page

nodes2 derives from nodes1, the type nodes1 derives from nodes. Whether the number is random may be not ... ? Notice that your code uses random numbers to populate the database, so different runs are expected to generate different results. If you can post a simple but complete program with no random numbers

stringValue; } The number of MyStep elements can reach over a million, the number of MyValue objects ... . One is to stupidly commit the transaction after a certain number of read accesses (every 10000 read access ... ;this operation or at least useful information about the number of instances in the heap per type

following issue #2379 , as the number of combinations examined by the query planner was increased. Unfortunately, although increasing the number of query plans that are examined can usually help in finding ... . Decreasing the  number of query plans can solve the performance issue in this specific case

details about the number and types of transactions per minute when the system is on load?   ... ), details about activity ( number of concurrent users, queries by type per minute, new objects ... the number of concurrent threads works better. How do you know that the system is near to collapse

performance). Complex heavy queries with several JOIN operations require examining large number ... ) of the executed query plan (always 1 unless a hint is provided), the total number of query plans in ... (filtering is required because of the huge number of possible query plans). A new version of ObjectDB 2.8.3

and involves many difficulties) we will not be able to support unlimited number of Page instances ... from the heap dump, such as type and number of instances of these byte[] elements in the heap, as ... dump. The screenshots shows a summary in ' number _of_instances' and the paths to these objects from

CAP Dev What is the exact version/build number of ObjectDB that you use in production? support ... the ObjectDB build number to get more information, as the line numbers in the stack trace do not match

with additional information about the section (e.g. section number ). Somehow these two specific  ... and no corruption is currently found in indexes in the provided database (except number of entries ... = '(XX)' if you take away the last condition you can see a lot of fitting results, a number of them fit

database file with no statistics). In the current implementation ObjectDB estimates the number of index entries to iterate over, given an exact key, as the number of total entries in the index divided by the number of different keys. ObjectProperty has 47,581,595 objects and 397,009 different

. For a number of different List fields, a query performed immediately after creating and persisting ... ][project=TEST: project 1][id=47][name=deep integer quantity ( number of rooms)], [class=BooleanValue ... : project 1][id=47][name=deep integer quantity ( number of rooms)]) INFO: ConfigBean []: testQuery