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Re: Odd PL/PgSQL Error -- relation "X" does not exist when using index expression


  • From: Michael Fuhr <mike(at)fuhr(dot)org>
  • To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • Cc: Greg Wittel <gwittel(at)proofpoint(dot)com>, pgsql-sql(at)postgresql(dot)org
  • Subject: Re: Odd PL/PgSQL Error -- relation "X" does not exist when using index expression
  • Date: Thu, 8 Feb 2007 08:55:04 -0700
  • Message-id: <20070208155504(dot)GA78152(at)winnie(dot)fuhr(dot)org>

On Thu, Feb 08, 2007 at 10:32:25AM -0500, Tom Lane wrote:
> My advice is not to try to execute multiple commands in the same EXECUTE
> string --- if we were going to do anything to "fix" this, I think it
> would be along the lines of enforcing that advice.  Trying to make the
> world safe for it doesn't sound productive.

The SPI_execute() documentation does mention that multiple commands
are allowed:

http://www.postgresql.org/docs/8.2/interactive/spi-spi-execute.html

"You may pass multiple commands in one string. SPI_execute returns
the result for the command executed last. The count limit applies
to each command separately, but it is not applied to hidden commands
generated by rules.

"When read_only is false, SPI_execute increments the command counter
and computes a new snapshot before executing each command in the
string."

Should that documentation be modified?

-- 
Michael Fuhr



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