About range

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JDO Doc
5

setRange(fromIncl, toExcl)

Method javax.jdo.Query void setRange(   long fromIncl,   long toExcl ) Set the range of results to return. The execution of the query is modified to return only a subset of results. If the filter ... and the remaining 30 results are ignored. An implementation should execute the query such that the range
JDO Doc
5

setRange(fromInclToExcl)

Method javax.jdo.Query void setRange(   String fromInclToExcl ) Set the range of results to return. The parameter is a String containing a comma-separated fromIncl and toExcl. The fromIncl and toExcl ... are ignored. An implementation should execute the query such that the range algorithm
JDO Doc
3

addSubquery(sub, variableDeclaration, candidateCollectionExpression, parameters)

with a PersistenceManager, the candidate collection or extent, result class, and range limits are not
JDO Doc
3

isUnmodifiable()

Method javax.jdo.Query boolean isUnmodifiable() The unmodifiable flag, when set, disallows further modification of the query, except for specifying the range, result class, and ignoreCache option. Returns: the current setting of the flag Since: JDO 2.0
JDO Doc
3

setUnmodifiable()

Method javax.jdo.Query void setUnmodifiable() The unmodifiable flag, when set, disallows further modification of the query, except for specifying the range, result class, and ignoreCache option. The unmodifiable flag can also be set in metadata. Since: JDO 2.0
Forum
2

Listing large number of complicated objects with paging.

about the effect of restricting the result range? How many products are you trying to retrieve in ... objects during query processing. This optimization is disabled now (build 2.3.3_06) for range queries, since before sorting and cutting the requested range it is unknown which objects are really needed
Forum
1

Explorer in 2.3

to have: 1. Export of selected data: a. Simple - Select a range of cells or a column header and copy ... advance may assist. At least for the tree view - it is possible to split the results by id ranges
Forum
1

JPA and handling large data sets

to traverse all objects of an entity? Peter     Using query result range (setFirstResult, setMaxResults ... may be fine. If not check if you can retrieve ranges of objects by setting both lower and upper value. pezifromvienna
Forum
1

performance limit

+ records by UserID atribute, tables have from 5 to 20 atributes. Usualy the results range from ... range. Regards.   With proper indexes defined, queries on millions of objects
Forum
1

Possible issue with String fields

to commit transaction: String index out of range: 5 (error 613) at com.objectdb.jpa.EMImpl.commit ... .StringIndexOutOfBoundsException: String index out of range: 5 at java.lang.String.charAt(String.java:695) at com.objectdb