Re: PostgreSQL group sort

On Feb 25, 2011, at 11:45 AM, zab08 wrote:

> run :
> SELECT b.id, array_accum(s.id), array_accum(s.name)from big b, sm s where b.id = s.big_id group by b.id;
> (ps: array_accum is  aggregate in http://www.postgresql.org/docs/9.0/static/xaggr.html)
>
> id | array_accum |  array_accum
> ----+-------------+---------------
>   1 | {2,1,3}     | {sm1,sm2,sm3}
>   2 | {6,4,4}     | {sm4,sm5,sm6}
> (2 rows)
>
> the excepted result:
>  id | array_accum |  array_accum
> ----+-------------+---------------
>   1 | {1,2,3}     | {sm1,sm2,sm3}
>   2 | {4,5,6}     | {sm4,sm5,sm6}


Try with intarray Module:
http://www.postgresql.org/docs/8.4/static/intarray.html

Thanks & Regards,
Vibhor Kumar
EnterpriseDB Corporation
The Enterprise PostgreSQL Company
Cell: +91-932-568-2279
vibhor.kumar@enterprisedb.com
Blog:http://vibhork.blogspot.com