Re: After insert trigger and select

> -----Original Message-----
> From: Rok Jaklič [mailto:rokj@rasca.net]
> Sent: Wednesday, February 16, 2011 5:35 PM
> To: pasman pasmański; pgsql-sql
> Subject: Re: After insert trigger and select
>
>   On 02/16/2011 08:46 PM, pasman pasmański wrote:
> >> If I have after insert trigger on some table which updates
> some data
> >> in that same table, will be the select statement from some other
> >> client executed after all statements in that trigger?
> >>
> > select statement is fired before commit ?
> > ------------
> > pasman
> For example let us say that trigger takes a long time to end.
> Are all statements in trigger executed before select from
> "outside" if select is called somewhere between executing of
> the trigger?
>

With MVCC "writers" don't block "readers", and "readers" don't block "writers".
Read PG docs on MVCC.

Regards,
Igor Neyman