List of doesCurrentPositionQualify() Examples

Examples of doesCurrentPositionQualify()

org.apache.derby.iapi.store.access.ScanController.doesCurrentPositionQualify()
Returns true if the current position of the scan still qualifies under the set of qualifiers passed to the openScan(). When called this routine will reapply all qualifiers against the row currently positioned and return true if the row still qualifies. If the row has been deleted or no longer passes the qualifiers then this routine will return false. This case can come about if the current scan or another scan on the same table in the same transaction deleted the row or changed columns referenced by the qualifier after the next() call which positioned the scan at this row. Note that for comglomerates which don't support update, like btree's, there is no need to recheck the qualifiers. The results of a fetch() performed on a scan positioned on a deleted row are undefined, note that this can happen even if next() has returned true (for instance the client can delete the row, or if using read uncommitted another thread can delete the row after the next() call but before the fetch). @exception StandardException Standard exception policy.

Examples of org.apache.derby.iapi.store.access.ScanController.doesCurrentPositionQualify()


        // delete the only row in the table, and make sure 
        // isCurrentPositionDeleted() works.
        if (scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should not be deleted\n");
        if (!scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("current row should still qualify\n");
        scan.delete();
        if (!scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should be deleted\n");
        if (scan.doesCurrentPositionQualify())

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Examples of org.apache.derby.iapi.store.access.ScanController.doesCurrentPositionQualify()

        if (!scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("current row should still qualify\n");
        scan.delete();
        if (!scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should be deleted\n");
        if (scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("deleted row should not qualify\n");


        // just call the debugging code to make sure it doesn't fail.
        REPORT("Calling scan.tostring(): " + scan);

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Examples of org.apache.derby.iapi.store.access.ScanController.doesCurrentPositionQualify()


        // delete the only row in the table, and make sure 
        // isCurrentPositionDeleted() works.
        if (scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should not be deleted\n");
        if (!scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("current row should still qualify\n");
        scan.delete();
        if (!scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should be deleted\n");
        if (scan.doesCurrentPositionQualify())

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Examples of org.apache.derby.iapi.store.access.ScanController.doesCurrentPositionQualify()

        if (!scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("current row should still qualify\n");
        scan.delete();
        if (!scan.isCurrentPositionDeleted())
            throw T_Fail.testFailMsg("current row should be deleted\n");
        if (scan.doesCurrentPositionQualify())
            throw T_Fail.testFailMsg("deleted row should not qualify\n");


        // just call the debugging code to make sure it doesn't fail.
        REPORT("Calling scan.tostring(): " + scan);

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