Re: how do I check if a temporary table exists? - Mailing list pgsql-sql

From Bruce Momjian
Subject Re: how do I check if a temporary table exists?
Date
Msg-id 200103241644.LAA17614@candle.pha.pa.us
Whole thread Raw
In response to Re: how do I check if a temporary table exists?  (darcy@druid.net (D'Arcy J.M. Cain))
List pgsql-sql
Multiple backends can create temp tables with the same name and each
person will see their own version.


> Thus spake datactrl
> > How do I check if a temporary table exists? Searching pg_tables with a
> > temporary table name we chose always fails.
> 
> What do you mean?  You know that it exists because you just created it
> and the create succeeded.  Can you describe a situation where you need
> to know about a temp table and don't already know?
> 
> It can't go into the pg_tables table because then it would be visible
> to other processes.  Are you perhaps misunderstanding temp tables?  You
> cannot see them except from the process that created them.
> 
> -- 
> D'Arcy J.M. Cain <darcy@{druid|vex}.net>   |  Democracy is three wolves
> http://www.druid.net/darcy/                |  and a sheep voting on
> +1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.
> 
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> 


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