Re: ERXExistsQualifier
Re: ERXExistsQualifier
- Subject: Re: ERXExistsQualifier
- From: Paul Hoadley via Webobjects-dev <email@hidden>
- Date: Fri, 27 Nov 2020 10:48:43 +1030
Hey Dave,
Is this thing on? So, some time passed...
On 26 Apr 2015, at 05:18, David Avendasora <email@hidden> wrote:
> Here’s the branch that has the new ERXQualifierExistsSubquery:
>
> https://github.com/nekesto/wonder/tree/ERXQualifierExistsSubquery
> <https://github.com/nekesto/wonder/tree/ERXQualifierExistsSubquery>
>
> It is based off of the
> https://github.com/nekesto/wonder/tree/SQLExpression_aliasesByRelationshipPath
>
> <https://github.com/nekesto/wonder/tree/SQLExpression_aliasesByRelationshipPath>
> branch, so you only need to check out the ERXQualiferExistsSubquery branch
> to get everything you need.
>
> If your code currently uses the methods on ERXKey
> (containsAnyObjectSatisfying(EOQualifier), isEmptyRelationship(), etc.) to
> create your ERXExistsQualifier instances, then you don’t need to change
> anything to use ERXQualifierExistsSubquiery as this branch switches ERXKey to
> use the new exists hotness.
I just spent an hour debugging something that certainly seems to have turned
out to be an SQL generation bug from ERXExistsQualifier via
isEmptyRelationship(). As far as I can tell, your work above never made it into
Wonder.
So, are you still around? And if so, wanna open a PR?
--
Paul Hoadley
https://logicsquad.net/
https://www.linkedin.com/company/logic-squad/
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