Sorry, I can't think of any to have a view created automatically for
every table creation. Interesting idea, though. I wonder if you could
pass the CREATE string into a function that does the proper creation.
---------------------------------------------------------------------------
Bruce David wrote:
> All,
>
> I'm trying to implement row level security using PostgreSQL. I envision
> having column on each and every table in the database that will contain a
> discriminating value that determines if a given user is able to see that row
> or not. Users do not directly access the database; they get at it only
> through client applications.
>
> Is there a way to initially configure PostgreSQL such that each and every
> time a 'create table foo....' command is executed that, something else would
> happen instead?
>
> For example,
>
> CREATE TABLE weather (
> city varchar(80),
> lo int,
> hi int,
> prcp real,
> date date
> );
>
> would result in the following being executed automatically:
>
> CREATE TABLE t_weather (
> city varchar(80),
> lo int,
> hi int,
> prcp real,
> date date,
> hidden_column int
> );
>
> CREATE VIEW weather AS
> SELECT city, lo, hi, prcp, date
> FROM t_weather;
>
>
> How the view gets populated is another discussion entirely.
>
> But is there a way to set things up initially such that each 'create table'
> command will exhibit the behavior described above?
>
> Thanks.
>
> --
>
> Bruce
>
>
>
>
>
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-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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