Re: Getting consecutive sequence values
| От | Dave Smith |
|---|---|
| Тема | Re: Getting consecutive sequence values |
| Дата | |
| Msg-id | 3E8DDBE4.9060807@candata.com обсуждение исходный текст |
| Ответ на | Getting consecutive sequence values (nolan@celery.tssi.com) |
| Список | pgsql-general |
try
select setval('id',nextval('id')+100)
nolan@celery.tssi.com wrote:
>(The first copy of this got stalled because of internal addressing issues,
>hopefully it will not be duplicated.)
>
>I'm using a sequence to generate unique 8 digit record keys which will be
>given out as membership ID's.
>
>Because we want to be able to pre-assign blocks of membership numbers
>for use in off-line membership registration situations, I need to be able
>to ensure that a block of sequences are in consecutive order even though
>they may be requested concurrently with other activity on the sequence.
>
>If I use SQL such as "select nextval('id'),nextval('id'),...,nextval('id')"
>to allocate 50 or 100 sequence numbers, will the backend ensure that
>those sequence numbers are a consecutive block?
>--
>Mike Nolan
>nolan@tssi.com
>
>
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