ObjectDB Database Search

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Database Schema Evolution

in the new schema for which there is a matching field in the old schema, the new field in the new entity object is initialized using the value of the matching old field in the original entity object. Fields in the new schema that do not have matching fields in the old schema are initialized

Strings in JPQL and Criteria Queries

. LIKE - String Pattern Matching with Wildcards The [NOT] LIKE operator checks if a specified string matches a specified pattern. The pattern  may include ordinary characters as well as the following wildcard characters: The percent character ( % ) - which matches zero or more of any character

Recovery file does not match db file

Just rebooted my production server, which had been running fine for months. When it came up, these errors started: ObjectDB 2.3.1_03] javax.persistence.PersistenceException Recovery file '/auctionologies/java/storage.odb$' does not match db file '/auctionologies/java/storage.odb' (error 145

Object comparation never matches

2.4.6] javax.persistence.NoResultException" "No matching results for a unique query (error 782

Documentation problem - license does not match implementation

Documentation problem - license does not match implementation

FROM clause (JPQL / Criteria API)

outer variable value (e.g. any Country ) that has no matching inner variable (e.g. a Capital ... is equivalent to LEFT JOIN). When using OUTER JOIN, if a specific outer variable does not have any matching inner value it gets at least a  NULL value as a matching value in the FROM iteration

Schema Update

with persistable classes that have been renamed or moved in the IDE, with no matching schema configuration ... the application is run only with the configuration that matches these changes exactly. The default

JPA Lifecycle Events

which is the source of the lifecycle event. The argument can have any type that matches the actual value

SELECT clause (JPQL / Criteria API)

must have a compatible constructor that matches the SELECT result expressions, as follows: package example

Database Transaction Replayer

ObjectDB can record its internal engine operations in special binary recording (journal) files. Recording is enabled by default and can be disabled in the configuration . The ObjectDB Replayer tool can apply recorded database operations on a matching database backup (if available). This ability

Index Definition

a full index scan. Even better, if the field order as defined in the index matches the field order used in

SpringBoot-Point

The architecture of this application follows regular SprintBoot principles, but minimized, to match

BIRT/ODA ObjectDB Driver

and restarting the IDE. Note: See this issue regarding matching the driver version to the ObjectDB server

Paths and Types in JPQL and Criteria API

class must contain a persistent field (or property) with a matching name. The path expression

Locking in JPA

if the version numbers do not match , indicating that the object has been modified by another user

NoResultException: No matching results for a unique query

I am very often getting a "com.objectdb.o._NoResultException: No matching results for a unique query" when modifying my already persisted entities within a transaction. I cannot replicate it however because it happens infrequently. The weird thing is that the entity nevertheless gets comitted

Query filter comparing Dates

before saving: Tue Feb 02 01:00:00 CET 2021 Match found for filter : this.date == datum Date from DB instance : Tue Feb 02 00:00:00 CET 2021 Date from filter param : Tue Feb 02 01:00:00 CET 2021 Match ... 02 00:00:00 CET 2021 Date from filter param : Tue Feb 02 01:00:00 CET 2021 Match found for filter

Explorer in 2.3

the result (which, of course, must match the type of the field I am editing). Another possibility ... - copy any reference from any window and paste it on a field of a matching type. You can also edit ... it into a collection of a matching type (e.g. copy strings and then paste them into a List

Master database switching to read-only mode, possibly caused by slave failure

are automatically routed to the slave, and the expected effect matches your description - READ requests ... manual intervention to get out of READ ONLY mode, so your description may match such situation ... to the master all the requests are automatically routed to the slave, and the expected effect matches

Step 1: Install BIRT and ObjectDB Driver

matching the driver version to the ObjectDB server version when using client-server mode. The next step is creating a BIRT Report project .

Searching lists within objects

how the database is doing its matching , but it looks to me like it matches using objectids, which means you can only match isMember if you have a database object. This does not help as I'm never going

Tomcat + JPA Problem

always get this Error: [ObjectDB 2.1.0] class "javax.persistence.Entity"'s signer information does not match ... "'s signer information does not match signer information of other classes in the same package 07.03 ... .SecurityException: class "javax.persistence.Persistence"'s signer information does not match signer

Criteria Query results in a NoResultException instead of returning object

.RuntimeException: com.objectdb.o._NoResultException: No matching results for a unique query at org.jboss.seam ... ._NoResultException: No matching results for a unique query at com.objectdb.o.JPE.g(JPE.java:100 ... ) ... 45 more   Even though there exists an object that matches the query (check attached screen

Query to search for common elements in two separate collections.

Support Sounds like you are suggesting a solution to matching the entire contents of a collection ... retrieving results for matches that contain the element for each iteration ... to matching the entire contents of a collection? Yes.  if so, that's not what I was after. I just

AnnotationRef jakarta.persistence.IdClass

, and the specified primary key type must have fields or properties with matching names and types. The mapping ... with names and types that match the Id fields and properties of the annotated entity class. Since: JPA 1.0

Missing Data on Retrieval (0, null values)

correctly but the Enity-Keys do not match . I can't get the point - what am i doing wrong?   emf ... match between the two Resultlists Tested with  Version 2.6.7 and 2.4.5  - same behaviour

LIKE wildcard with single character "_" behaves like a "*"

Hi,  I've been using pattern matching with wildcards, and encountered an issue when dealing with the underscore character. The issue is that if it is placed at the end of the string ... _") It matches both "key" and "keyboard" Having the underscore anywhere else works fine, however. 

virtual servers and one file

you for the quick reply, I have checked all the links to VMware's knowledgebase for matches . None of them match . The virtual server is blazing fast on all other tasks as well, I rule out an I/O

ClassCastException on SELECT NEW ... after UPDATE over Java RMI

rather than Long. Therefore, if the constructor of  FileNameDTO  expects a Long value there is no match ... soon. But meanwhile as a workaround, make sure that the type in the IN expression matches the type

Composite indexes

a query that searches for exact match of several fields, any order would be fine. If you also need to get ordered results, then make sure that the requested order matches the index order. If you want

How to use regular expressions in Criteria Builder

I'm struggling to understand how to use the matches method on the String class when using regular expressions. I have a small example with two classes. The TempPhysicalPartDetails class is embedded ... so you can use regular expressions in queries, just use string-based JPQL ("e.g. e.field. matches (regexp)") instead of criteria queries. support Support

JPA CriteriaQuery -- Iterate Expression>

Hi, I am new to  JPA and in particular the CriteriaQuery API. I have a simple CriteriaQuery where I pattern match a simple search String against field entires in a Person entity... i.e ... objects. I would like to update my query below to include a similar 'like' pattern match for each

query hint

must match one of the query plans logging text. Logging format and text might have changed between versions, so the string "index(ctso['(TC)'-'(TC)']" that worked in previous versions may match

Problems down-casting in WHERE clause

)e).messageList.message. matches (:search) ((Practice)e).messageList.message  is an invalid ... is valid: SELECT e FROM Practice e WHERE e.messageList.message. matches (:search

EnumRef jakarta.persistence.criteria.Predicate$BooleanOperator

with the specified name. The string must match exactly an identifier used to declare an enum constant in

EnumRef jakarta.persistence.criteria.CriteriaBuilder$Trimspec

constant of this type with the specified name. The string must match exactly an identifier used

EnumRef jakarta.persistence.metamodel.Bindable$BindableType

with the specified name. The string must match exactly an identifier used to declare an enum constant

EnumRef jakarta.persistence.metamodel.Attribute$PersistentAttributeType

(String name) Returns the enum constant of this type with the specified name. The string must match

AnnotationAttrRef jakarta.persistence.IdClass.value

JPA Annotation Attribute in jakarta.persistence.IdClass Class value default null The primary key class, which must declare fields or properties with names and types that match the Id fields and properties of the annotated entity class. Since: JPA 1.0

EnumRef jakarta.persistence.metamodel.Type$PersistenceType

with the specified name. The string must match exactly an identifier used to declare an enum constant in

EnumRef jakarta.persistence.metamodel.PluralAttribute$CollectionType

must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace

query on calendar class

is for literals, so it cannot contain variables or parameters. In comparison the operand types must match . Not

StackOverflowError after commit

side), since it does not match the stack trace. In addition, this is only a partial stack trace. Please find

Mismatch client-server protocol prefix

:757) I checked multiple times if the versions match . They do. DB server version 2.6.2. Client

General Performance Issues Illustrated with a Specific Method

, which matches exactly post #1 on this thread. It seems that this log file has many query executions (21

ObjectDB BIRT Driver Update

, there should be a match between the ObjectDB BIRT client-server protocol version and an ObjectDB ... if there is no match . There is a report of an exception on attempt to update the ObjectDB BIRT plugin in

Logical "or" works not correcly when field is @Id and first position

The following code doesn't respect the logical "or" correctly. Instead of returns all 2 datasets it returns only this one, which matches the first predicate in the or. BUT: this happens ... with the example code above, this query also returns only the object matches the b-tree (field

UPDATE statemen crash when i put the WHERE clause.

.createEntityManager() ; int lab_points ; for (List linie: linesAsList ) if (linie.get( 1 ). matches

Bug when using SIZE in combination with date lower parameter

there are no matching jobs in the database? support Support Hello, yes, I can confirm that both queries

Eager load Map

I'm having an issue eager loading a nested map. I've attached @ManyToMany(fetch=FetchType.EAGER) attributes to no avail. If the map is viewed in the debugger or force iterated in the code it loads ok. The attached code attempts to replicate the scenario. Its not an exact match but is the best I