[jira] Commented: (CAY-1115) Prefetch on SelectQueries doesn't resolve ToOneFaults

From: Robert Wruck (JIRA) ("Robert)
Date: Mon Oct 06 2008 - 14:02:11 EDT

  • Next message: Andrus Adamchik (JIRA): "[jira] Closed: (CAY-1115) Prefetch on SelectQueries doesn't resolve ToOneFaults"

        [ https://issues.apache.org/cayenne/browse/CAY-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141#action_13141 ]

    Robert Wruck commented on CAY-1115:
    -----------------------------------

    Hi Andrus,

    after some debugging, it turned out today that in some cases the number of fetched objects exceeded the DataRowStore size... DOH!
    I was fooled by the fact that the relationships are initially populated with a ToOneFault that normally gets resolved from the local cache.
    Please close this one.

    > Prefetch on SelectQueries doesn't resolve ToOneFaults
    > -----------------------------------------------------
    >
    > Key: CAY-1115
    > URL: https://issues.apache.org/cayenne/browse/CAY-1115
    > Project: Cayenne
    > Issue Type: Bug
    > Components: Cayenne Core Library
    > Affects Versions: 1.2 [STABLE]
    > Environment: 1.2.4 on Linux
    > Reporter: Robert Wruck
    > Assignee: Andrus Adamchik
    >
    > final SelectQuery q = new SelectQuery(MyObject.class);
    > q.addPrefetch("myRelObject");
    > final List l = dataContext.performQuery(q);
    > For each element in the returned List, myRelObject is a ToOneFault that will be resolved by a separate query.
    > This result is not affected by setSemantics on the prefetch (JOINT, DISJOINT behave just the same way).
    > Expected result: myRelObject is filled with the prefetched entity object.

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