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https://issues.apache.org/jira/browse/DERBY-712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-712:
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Attachment: catalogs_g.diff
Hi Suran,
Thanks for the new patch, which adds another index to SYSPERMS. After looking
at dropAllPermDescriptors() again, I realized that I misled you: The while loop
needs to use 2 indexes. The first is the index you just added--the one which is
keyed on the id of the privileged object. The second is the original index
which you were using--the one which is keyed on the unique id of the
permissions tuple itself. I tweaked dropAllPermDescriptors() accordingly. I
also tweaked SYSPERMSRowFactory: now that there are 2 indexes, the uniqueness
array needs to be filled in (one of the indexes is unique, the other isn't). I
have regenerated the patch and am attaching it as catalogs_g.diff
Am running the regressions tests now. Thanks!
> Support for sequences
> ---------------------
>
> Key: DERBY-712
> URL: https://issues.apache.org/jira/browse/DERBY-712
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Environment: feature request
> Reporter: Tony Dahbura
> Assignee: Suran Jayathilaka
> Fix For: 10.6.0.0
>
> Attachments: altertable.diff, catalogs_a.patch, catalogs_b.patch,
> catalogs_c.patch, catalogs_d.patch, catalogs_e.patch, catalogs_f.patch,
> catalogs_f_2.patch, catalogs_g.diff, SequenceGenerator.html
>
>
> Would like to see support added for sequences. This would permit a select
> against the sequence to always obtain a ever increasing/decreasing value.
> The identity column works fine but there are times for applications where the
> application needs to obtain the sequence number and use it prior to the
> database write. Subsequent calls to the table/column would result in a new
> number on each call.
> SQL such as the following:
> SELECT NEXT VALUE FOR sequence_name FROM sometable ; would result in a next
> value.
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