Horton

Re: Manipulating complex types as non-contiguous structures in-memory

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2015-05-14T00:30:42Z
Lists: pgsql-hackers 
On 2015-05-13 20:28:52 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > Similarly using inline funcs for AARR_NDIMS/HASNULL does not appear to
> > hamper performance and gets rid of the multiple evaluation risk.
> 
> I'm less excited about that part though.  The original ARR_FOO macros
> mostly have multiple-evaluation risks as well, and that's been totally
> academic so far.

Fair point.

Commits

  1. Use fast path in plpgsql's RETURN/RETURN NEXT in more cases.

  2. Add support for multiple kinds of external toast datums.