dhis2-devs team mailing list archive

[Jason Pickering <jason.p.pickering@xxxxxxxxx>]

Can you paste the exact query which you are using?



On Mon, Sep 12, 2011 at 5:04 PM, Muhire Andrew <muhireandrew@xxxxxxxxx>wrote:

> Thanks for the quick help,
> i have successfully used the select and delete steps
> (in datavalues and datavalue_audit)
>  but using replace <id> is not working on my side may be am not using it
> well? please update me again (only replace syntax). i have deleted data from
> my data element x and next step was to use replace but am getting syntax
> error! and if i check my data in data entry form i find no data and if i
> delete the data element in an interface next time i get error message for
> the unreplaced id when i open the form.
> waiting for your help dear team!
>
>
>
>
>
> ------------------------------
>
>
> *Muhire Andrew
> *
> *HMIS/Ministry of Health*
> *andrew.muhire@xxxxxxxxxx*
> *God is my provider.*
>
>
> ------------------------------
> *From:* Jason Pickering <jason.p.pickering@xxxxxxxxx>
> *To:* Muhire Andrew <muhireandrew@xxxxxxxxx>
> *Cc:* Knut Staring <knutst@xxxxxxxxx>; Lars Helge Øverland <
> larshelge@xxxxxxxxx>; "dhis2-users@xxxxxxxxxxxxxxxxxxx" <
> dhis2-users@xxxxxxxxxxxxxxxxxxx>; "dhis2-devs@xxxxxxxxxxxxxxxxxxx" <
> dhis2-devs@xxxxxxxxxxxxxxxxxxx>
> *Sent:* Monday, September 12, 2011 4:13 PM
> *Subject:* Re: [Dhis2-devs] Dear Dhis2 users how can i delete?
>
> It is best practice in all cases to ensure to you make a backup of your
> database. Even with SELECT and DELETE, you may unknowingly make a typing
> mistake. Anytime you start messing around with the database directly, ensure
> you first make a backup, so that you can easily restore the database in case
> you mess up something unintentionally.
>
> Another trick is to use a "SELECT INTO " statement, to put all of the data
> you are about to delete into a separate table, and then perform the delete
> operation. This way, it is relatively easy to see what you have deleted and
> restore it once again, without reverting to a complete backup restore.
>
> Regards,
> Jason
>
>
> 2011/9/12 Muhire Andrew <muhireandrew@xxxxxxxxx>
>
> Thank you all,
> Great Knut its rilly good to select first and then delete because it can
> cause problems in case i delete  the needed data.
>
>
>
>
> ------------------------------
>
>
> *Muhire Andrew
> *
> *HMIS/Ministry of Health*
> *andrew.muhire@xxxxxxxxxx*
> *God is my provider.*
>
>
> ------------------------------
> *From:* Knut Staring <knutst@xxxxxxxxx>
> *To:* Lars Helge Øverland <larshelge@xxxxxxxxx>
> *Cc:* Muhire Andrew <muhireandrew@xxxxxxxxx>;
> dhis2-users@xxxxxxxxxxxxxxxxxxx; dhis2-devs@xxxxxxxxxxxxxxxxxxx
> *Sent:* Monday, September 12, 2011 3:56 PM
> *Subject:* Re: [Dhis2-devs] Dear Dhis2 users how can i delete?
>
> As a rule of thumb, it is usually wise to do a SELECT before a DELETE, so
> that you are 100% sure you are not deleting data you really need.
>
> In this case:
>
> select * from datavalue_audit where dataelementid=<id>;
> select * from datavalue where dataelementid=<id>;
>
> Knut
>
> 2011/9/12 Lars Helge Øverland <larshelge@xxxxxxxxx>
>
> Hi Andrew,
>
> you need to remove the data with SQL in the database. Run:
>
> delete from datavalue_audit where dataelementid=<id>;
> delete from datavalue where dataelementid=<id>;
>
> and replace <id> with the dataelementid of the one you want to remove.
>
> You can then go ahead and delete the data element in the user interface.
>
>
>
> Lars
>
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> --
> Knut Staring
> Informatics, U. of Oslo
> http://hisp.uio.no
> +4791880522
>
>
>
>
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