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Query Method NullPointerException on List iteration

-embed-core-9.0.35.jar:9.0.35] at org.springframework.web.filter.RequestContextFilter ... .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.5 ... :9.0.35] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter

Exception on creation when running multithreaded

plan="filter(extract($$owner,type(Relationship[all])),($$owner.party=:1))" eval="3.4426" var="1" prm="1" reg="1" filter="($$owner.party=:1)"> <extractPlan plan="extract($$owner,type ... ] <finalPlans> <filterPlan plan="filter(extract($$owner,type(Relationship[all])),($$owner

Strange behaviour with ORDER BY and IN

and, at the same time, filter on this member with a simple IN-clause. Filtering with IN-clause or ordering ... is only observable when filtering and ordering both are done on the ID member.  

no query result

all the Action (a) instances. [Step 2] Retrieve fields in Action (a) instances. [Step 3] Filter the results of step 2 retaining only results that satisfy: (a.transferred=0). [Step 4] Filter the results of step 3 retaining only results that satisfy: (a.type=0). [Step 5] Filter the results of step 4

Index on a low cardinality column

an initial filtering but the actual data has to be accessed. In such cases, the question is how good the index is in filtering. Filtering 50% might be useless, because scanning all the data

@Transient

it is a bit confusing seeing a transient field in the explorer. Maybe you could filter ... Will Boluyt You are right. It might be confusing and it would be better to filter transient fields

Issue with UPPER ?

IndividualCommunicationInfo ($6) instances. [Step 8c] Filter the results of step 8b retaining ... .mitgliedschaft. [Step 9b] Retrieve fields in Mitgliedschaft ($2) instances. [Step 9c] Filter ... fields in OrganisationContact ($4) instances. [Step 8a3d] Filter the results of step 8a3c

Problem using "and" for joined entities and indexed fields

Using @Index for fields and filter more than one field with "and" predicate ends in ... this query. It does filter relevant Parent objects, but then it is too complex to complete the execution and filter by age, as it is not the Parent's age

ObjectDB tries to create a File in a localtion without write access

'IndexManager_12.mrg_filter' at com.objectdb.o._PersistenceException.b(_PersistenceException.java ... more Caused by: com.objectdb.o.UserException: Failed to create a new file 'IndexManager_12.mrg_filter ... (EMImpl.java:287) ... 22 more Caused by: java.io.FileNotFoundException: IndexManager_12.mrg_filter

deletePersistentAll()

"> Deletes all the instances of the candidate class that pass the filter. Returns the number of instances