pgsql/src/backend/optimizer/plan (planner.c)

  Date: Saturday, November  4, 2000 @ 19:15:53
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer/plan
     from hub.org:/home/projects/pgsql/tmp/cvs-serv82497/src/backend/optimizer/plan

Modified Files:
    planner.c

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

Allow ORDER BY, LIMIT in sub-selects.  Fix most (not all) cases where
the grammar did not allow redundant parentheses around sub-selects.
Distinguish LIMIT ALL from LIMIT 0; make the latter behave as one would
expect.