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https://issues.apache.org/cayenne/browse/CAY-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12950#action_12950
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Lachlan Deck commented on CAY-1073:
-----------------------------------
Comments from CAY-1072: Andrus wrote:
----
Yes, converting dates to Strings are a no-go. I don't see us being able to fix
that on the short run. Could you try a parameterized expression instead (using
$param instead of date literals).
On the other hand, we need some way to handle dates or other parameters that
can't be converted into literals... I guess one way is to generate "synthetic"
parameters and collect values in a map passed as an argument.
----
The problem is that I can't use parameter based expressions as they are
constructed elsewhere (as instances of Expression) and re-used in various
places (including in-memory).
Is it not possible to re-use whatever code in Cayenne already converts such
values (depending on the associated DbAttribute, for example)?
> Bug in Expression.toEJBQL with inExp/notInExp
> ---------------------------------------------
>
> Key: CAY-1073
> URL: https://issues.apache.org/cayenne/browse/CAY-1073
> Project: Cayenne
> Issue Type: Bug
> Components: Cayenne Core Library
> Affects Versions: 3.0
> Environment: Linux, ubuntu 8.04
> Reporter: Laurent Marchal
> Assignee: Andrus Adamchik
> Fix For: 3.0
>
>
> There is a bug transforming and expression containing an inExp/notInExp into
> EJBQL :
> I create a expression filtering departments :
> List<Short> departmentIds = new
> ArrayList<Short>(_departmentList.size());
> for (Department department : _departmentList) {
> departmentIds.add(department.getDepartmentId());
> }
>
> return
> ExpressionFactory.notInExp(DailyJob.DEPARTMENT_ID_PROPERTY, departmentIds);
> ---> "SMASTER.DEPTID not in (1, 2)"
> Then i transform it to EJBQL with Expression.toEJBQL("a")
> ---> "a.departmentId not in ()"
> The IN clause is empty.
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