pgsql/src/backend/optimizer (README)

From: Tom Lane <tgl>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/optimizer (README)
Date: 2000-09-29 18:21:31
Message-ID: 200009291821.e8TILVI27981@hub.org
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Date: Friday, September 29, 2000 @ 14:21:30
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer
from hub.org:/home/projects/pgsql/tmp/cvs-serv27889/src/backend/optimizer

Modified Files:
README

----------------------------- Log Message -----------------------------

Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.
(Don't forget that an alias is required.) Views reimplemented as expanding
to subselect-in-FROM. Grouping, aggregates, DISTINCT in views actually
work now (he says optimistically). No UNION support in subselects/views
yet, but I have some ideas about that. Rule-related permissions checking
moved out of rewriter and into executor.
INITDB REQUIRED!

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