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13

JPQL IN Operator

with EclipseLink / postgres but throws an exception in objectDB: select distinct dv.creationtime from ... ",     query = " select distinct dv.creationtime from DataValue dv"     + "   where dv.capabilityId ... the query [DataValue.findDistinctCreationtimesWithLimitDesc:  select distinct dv.creationtime from
13

Query with FETCH JOIN returns multiple results instead of one.

duplicates with DISTINCT: SELECT DISTINCT d FROM Demand d JOIN FETCH d.services WHERE d=:demand ... mentions that duplicates are not filtered unless DISTINCT is used, but many JPA providers do this (or
11

Issue with upper?

Hi, Query 1: SELECT DISTINCT $1, $2.lastName AS $O0 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1 LEFT JOIN $1.profile $2 ORDER BY UPPER($2.lastName) Correctly returns all the different lastName's for each $1 Now the same but with upper SELECT DISTINCT $1, UPPER($2
11

Updating Entities

(and is noted in the manual you linked) - objects within two separate EntityManagers are in fact distinct ... EntityManagers that contain a distinct Entity each: Employee and Paygrade. Paygrade must remain unique
2

queries more than 10 times slower using 2.8.1 versus 2.7.6

in 2.7.6 around 5-10 seconds takes in 2.8.1 around 150-200 seconds: SELECT DISTINCT o.parentNode FROM ... 2: "select distinct o from ObjectNode o join o.properties p1 join o.properties p2 join o.properties ... Support the query hint does not help, measures: version 2.8.1 query: select distinct o from ObjectNode o
2

each 1-2 days objects on some objectdb level lock/block each other

distinct o from ObjectNode o join o.properties p1 join o.properties p2 where (o.classIdentifier ... = "startableState" and p2.doubleValue = 0))) select distinct o from ObjectNode o join o.properties p1 ... != 13) and (p1.name = 'plannedState' and p1.doubleValue > 0 ) select distinct o from ObjectNode o
2

Different behavior for casting and not casting

: SELECT DISTINCT $1 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1 WHERE $1 ... NO entities: SELECT DISTINCT $1 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1 ... is resolved: SELECT DISTINCT $1 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1
2

InternalException when using MEMBER OF on a large list in a query

(); String propertyClassName = propertyClass.getName(); String query = "SELECT DISTINCT property.uid ... the following query don't works: "SELECT DISTINCT property.uid FROM CovPropImpl AS property ... , which should always be true, the query works "SELECT DISTINCT property.uid FROM CovPropImpl AS
2

Unexpected Query Token / Casting in Query

Hi! Please find the attached database. Doing a simple query with casting SELECT COUNT(DISTINCT $1 ... COUNT(DISTINCT $1) FROM com.quasado.foundation.contact.individual.IndividualContact $1 WHERE UPPER ... . Then I had to add another casting: SELECT COUNT(DISTINCT $1) FROM com.quasado.foundation.contact
2

New issues with queries using build 2.7.6_08

DISTINCT verdict FROM com.btc.ep.analysis.verdict.bl.internal.dmos.VerdictImpl as verdict, com.btc.ep ... : SELECT DISTINCT verdict FROM com.btc.ep.analysis.verdict.bl.internal.dmos.VerdictImpl as verdict

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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