pgsql/src/include/optimizer (clauses.h pathnode.h paths.h plancat.h planmain.h)

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От Tom Lane
Тема pgsql/src/include/optimizer (clauses.h pathnode.h paths.h plancat.h planmain.h)
Дата
Msg-id 200009291821.e8TILej28104@hub.org
обсуждение исходный текст
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Дерево обсуждения 
  Date: Friday, September 29, 2000 @ 14:21:40
Author: tgl

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

Modified Files:
    clauses.h pathnode.h paths.h plancat.h planmain.h

-----------------------------  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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