From: | Herouth Maoz <herouth(at)oumail(dot)openu(dot)ac(dot)il> |
---|---|
To: | Michael Olivier <mo(at)local2me(dot)com>, "pgsql-sql(at)postgreSQL(dot)org" <pgsql-sql(at)postgreSQL(dot)org> |
Subject: | Re: [SQL] few questions about rules: timestamp, new.oid |
Date: | 1999-08-03 10:32:14 |
Message-ID: | l03130302b3cc756bcae7@[147.233.159.109] |
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Lists: | pgsql-sql |
At 00:04 +0300 on 03/08/1999, Michael Olivier wrote:
> 1. I'm storing a datetime timestamp for when the change was entered into
> my changes table, but the timestamp doesn't change with subsequent
> tests:
>
> create rule users_modify_rule as on update to users do
> insert into changes (table_name, change_time, ref_oid, type)
> values ('users', 'now', current.oid, 'update');
Better use a function than a constant - try now() instead. A constant
usually gets interpreted at the time of creation. A function remains to be
interpreted at the time of use.
Herouth
--
Herouth Maoz, Internet developer.
Open University of Israel - Telem project
http://telem.openu.ac.il/~herutma
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