Francesco longhitano created OLINGO-1183:
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Summary: JPAPage - Load all entities from DB, no paging on DB query
Key: OLINGO-1183
URL: https://issues.apache.org/jira/browse/OLINGO-1183
Project: Olingo
Issue Type: Bug
Components: odata4-JPA
Affects Versions: V2 2.0.9, V2 2.0.8
Reporter: Francesco longhitano
If i using the paging with $top, $skip and $inlinecount=allpages the class
JPAPage load all entities from DB (howewer filter by the where), no setting on
top and skip for paginated query directly from db. That's a problem if the
query return many result (in our case ~100000 of complex entity).
I'm looking into the code and the problem is not so easy to resolve. The
inlinecount is managed by ODataJPAResponseBuilderDefault, as an size() called
on the result of query. Then if there is top or skip the class do a filter on
the result list. So even if i correct set top and skip on JPAPage modifing the
method handlePaging using an custom implementation of JPAProcessor, then the
result __count show an wrong result.
Example URL
Entities?$skip=10&$top=10&$inlinecount=allpages
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