| From: | John James <john0012001us(at)yahoo(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | aggregation function |
| Date: | 2001-12-07 16:15:28 |
| Message-ID: | 20011207161528.1488.qmail@web21207.mail.yahoo.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
hi,
i have created a user defined aggregate function
function MySum.
now, how can i access the intermediate results
computed by the query evaluator.
for example, if a table has 10000 tuples over which
the sum is calculated, i would like to get the
intermediate value, when only 50 or 100 tuples have
been procesed. or say, the intermediate results
calculated after every 1ms.
john
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