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https://issues.apache.org/jira/browse/DERBY-712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663385#action_12663385
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Suran Jayathilaka commented on DERBY-712:
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Hi!
I would like to work on adding this much desired feature to Derby. I have
already started reading up on Sequences and going through the code. I would be
very grateful for some pointers from experienced Derby developers as to a entry
point to begin development.
Thanks!
Suran.
> Support for sequences
> ---------------------
>
> Key: DERBY-712
> URL: https://issues.apache.org/jira/browse/DERBY-712
> Project: Derby
> Issue Type: New Feature
> Components: SQL
> Environment: feature request
> Reporter: Tony Dahbura
> Assignee: Suran Jayathilaka
>
> 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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