| From: | missive(at)frontiernet(dot)net (Lee Harr) |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: How would I make a table of autonumbers/sequences? |
| Date: | 2001-08-17 22:36:20 |
| Message-ID: | 9lk693$koo$2@node21.cwnet.roc.gblx.net |
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| Thread: | |
| Lists: | pgsql-hackers |
On 17 Aug 2001 06:58:38 -0700, Joseph Castille <joseph(dot)castille(at)wcom(dot)com> wrote:
> I want to make a field in a table contain numbers that increment each
> time a record is updated. How would I go about doing this?
>
>
> Example:
>
> Table1
> CustID balance
> A12 255.32
> B20 132.20
>
> Table2
> CustID transactions
> A12 7
> B20 33
>
>
> Every time something is inserted or updated in table1 I want to
> increment that customer's number of transactions in table2. How would
> I go about doing this?
>
This sounds like a good place for a trigger.
Did you ask this on the pgsql-general list yet?
You will probably have better luck there.
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