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3

Searching lists within objects

will have an answer.   Thanks P. You are right about comparison of entity objects - it is based on ID comparison. It is unclear why you manage two levels of nested lists. For the simplicity ... objects for the search. However, I am not sure if indexes are currently used in such comparison
Issue
2

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

: • Comparison or arithmetic operations with a NULL value always yield an unknown value. Hence t ... hence the WHERE clause should be TRUE. NULL < :receiveTime is UNKNOWN, because it is comparison with NULL ... fields through a null expression is very different from comparison and arithmetic operations. I think
Forum
2

New to Product & Having An Issue

classes) can be compared by using the equality operators (=, <>, ==, !=). Note that comparison ... was wrong (about comparison of embedded objects) - I just fixed it. By the way, equals should also work ... your changes to that part of the documentation and it's much more clear on how comparisons
Issue
2

ObjectDB 2 JDO Manual

with most of the comparisons that we've probably all seen on the Web concluding that JDO is a superior API for object ... ) for more documentation? > I agree with most of the comparisons that we've probably all seen on the Web concluding that JDO is a superior API for object databases. Please look carefully who published these comparisons
Forum
2

Optimization Question

, if your classes have many indexes - smart comparison might be faster. If there are no indexes ... such comparisons internally to determine if a merged object has been modified
Forum
2

query on calendar class

an additional persistent field. The comparison failed because of comparing a Calendar to a Date. Using ... comparison the operand types must match. Not all the date/time types support the same functionality
Result
1

ObjectDB version 2.2.2

Version 2.2.2 Changed log format to include date and time. Changed class loader management. Fixed handling multiple order expressions in inverse (mapped by) fields. Fixed the behavior of CacheStoreMode setting in L2 shared cache. Fixed TreeSet and TreeMap element comparison bugs. Fixed an Explorer
Result
1

ObjectDB version 2.2.5

EntityManagerFactory instantiation. Fixed a bug in comparison of collections to values in queries.
Result
1

ObjectDB version 2.5.0

queries with no wildcard characters. Fixed support of embedded objects comparison in queries. Fixed an ArrayIndexOutOfBoundsException in serializing entity objects.
Forum
1

Apparent Lazy Loading issues.

use more than the database id for generation or comparison, it all fails horribly. Have a look