Horton

Re: Query causesExecSubPlan: NULL value error

Bruce Momjian <pgman@candle.pha.pa.us>

View thread
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Rick Smith <rsmith@artschool.com>, pgsql-bugs@postgresql.org
Date: 2000-06-12T18:10:59Z
Lists: pgsql-bugs 
Cool.  Thanks, Tom.


> "Rick Smith" <rsmith@artschool.com> writes:
> >    PostgreSQL version (example: PostgreSQL-6.5.3) :PostgreSQL-6.5.3
>                                                      ^^^^^^^^^^^^^^^^
> >  	ERROR:  ExecSubPlan: null value returned by expression subselect
> 
> 6.5 and older don't cope with sub-selects returning NULL.  This is fixed
> in Postgres 7.0.
> 
> 			regards, tom lane
> 


-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026