Re: [HACKERS] What is this...?

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: jwieck(at)debis(dot)com
Cc: scrappy(at)hub(dot)org, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] What is this...?
Date: 1998-03-09 14:48:50
Message-ID: 199803091448.JAA01228@candle.pha.pa.us
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> > QUERY: copy pg_user from stdin;
>
> ^^^^^^^ COPY into a view? Cool!
>
> > Enter info followed by a newline
> > End with a backslash and a period on a line by itself.
>
> So we missed something when renaming pg_user into pg_shadow.
> Damn.

Here is a patch. Haven't tested it yet, but patch has been applied to
source tree.

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

*** ./bin/pg_dump/pg_dumpall.orig Fri Mar 6 12:17:36 1998
--- ./bin/pg_dump/pg_dumpall Fri Mar 6 12:18:26 1998
***************
*** 2,8 ****
#
# pg_dumpall [pg_dump parameters]
# dumps all databases to standard output
! # It also dumps the pg_user table
#
# to adapt to System V vs. BSD 'echo'
#set -x
--- 2,8 ----
#
# pg_dumpall [pg_dump parameters]
# dumps all databases to standard output
! # It also dumps the pg_shadow table
#
# to adapt to System V vs. BSD 'echo'
#set -x
***************
*** 30,50 ****
# we don't use POSTGRES_SUPER_USER_ID because the postgres super user id
# could be different on the two installations
#
! echo "select datdba into table tmp_pguser \
from pg_database where datname = 'template1';"
! echo "delete from pg_user where usesysid <> tmp_pguser.datdba;"
! echo "drop table tmp_pguser;"
#
# load all the non-postgres users
#
! echo "copy pg_user from stdin;"
psql -q template1 <<END
! select pg_user.*
! into table tmp_pg_user
! from pg_user
where usesysid <> $POSTGRES_SUPER_USER_ID;
! copy tmp_pg_user to stdout;
! drop table tmp_pg_user;
END
echo "${BS}."
psql -l -A -q -t| tr '|' ' ' | grep -v '^template1 ' | \
--- 30,50 ----
# we don't use POSTGRES_SUPER_USER_ID because the postgres super user id
# could be different on the two installations
#
! echo "select datdba into table tmp_pg_shadow \
from pg_database where datname = 'template1';"
! echo "delete from pg_shadow where usesysid <> tmp_pg_shadow.datdba;"
! echo "drop table tmp_pg_shadow;"
#
# load all the non-postgres users
#
! echo "copy pg_shadow from stdin;"
psql -q template1 <<END
! select pg_shadow.*
! into table tmp_pg_shadow
! from pg_shadow
where usesysid <> $POSTGRES_SUPER_USER_ID;
! copy tmp_pg_shadow to stdout;
! drop table tmp_pg_shadow;
END
echo "${BS}."
psql -l -A -q -t| tr '|' ' ' | grep -v '^template1 ' | \
***************
*** 52,58 ****
do
POSTGRES_USER="`echo \" \
select usename \
! from pg_user \
where usesysid = $DBUSERID; \" | \
psql -A -q -t template1`"
echo "${BS}connect template1 $POSTGRES_USER"
--- 52,58 ----
do
POSTGRES_USER="`echo \" \
select usename \
! from pg_shadow \
where usesysid = $DBUSERID; \" | \
psql -A -q -t template1`"
echo "${BS}connect template1 $POSTGRES_USER"

--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
+ Christ can be your backup. | (610) 853-3000(h)

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