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New dump utility script pg_dumpaccounts.

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Dumps pg_shadow and pg_group (derived from pg_dumpall).

Jan
This commit is contained in:
Jan Wieck
2000-11-02 16:54:21 +00:00
parent 75413f7af9
commit 013c2c65e0
2 changed files with 67 additions and 1 deletions
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3
src/bin/pg_dump/Makefile.in
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@ -7,7 +7,7 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/Makefile.in,v 1.13 2000/05/11 17:46:32 momjian Exp $
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/Makefile.in,v 1.13.2.1 2000/11/02 16:54:21 wieck Exp $
#
#-------------------------------------------------------------------------
@ -41,6 +41,7 @@ submake:
install: pg_dump
$(INSTALL) $(INSTL_EXE_OPTS) pg_dump$(X) $(BINDIR)/pg_dump$(X)
$(INSTALL) $(INSTL_EXE_OPTS) pg_dumpall $(BINDIR)/pg_dumpall
$(INSTALL) $(INSTL_EXE_OPTS) pg_dumpaccounts $(BINDIR)/pg_dumpaccounts
$(INSTALL) $(INSTL_EXE_OPTS) pg_upgrade $(BINDIR)/pg_upgrade
depend dep:

65
src/bin/pg_dump/pg_dumpaccounts Normal file
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@ -0,0 +1,65 @@
#!/bin/sh
#
# pg_dumpaccounts
# dumps the pg_shadow and pg_group tables, which belong to the
# whole installation rather than any one individual database.
#
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_dumpaccounts,v 1.1.2.1 2000/11/02 16:54:21 wieck Exp $
#
# to adapt to System V vs. BSD 'echo'
if echo '\\' | grep '\\\\' >/dev/null 2>&1
then
BS='\' # BSD
else
BS='\\' # System V
fi
#
# Dump everyone but the postgres user
# initdb creates him
#
# get the postgres user id
#
POSTGRES_SUPER_USER_ID="`echo \" \
select datdba \
from pg_database \
where datname = 'template1'; \" | \
psql -A -q -t template1`"
echo "${BS}connect template1"
#
# delete all users in case they run this twice
#
# 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
# XXX this breaks badly if the layout of pg_shadow ever changes.
# It'd be better to convert the data into CREATE USER commands.
#
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}."
#
# copy the pg_group table too
# XXX this breaks badly if the layout of pg_group ever changes.
# It'd be better to convert the data into CREATE GROUP commands.
#
echo "delete from pg_group;"
echo "copy pg_group from stdin;"
psql -q template1 <<END
copy pg_group to stdout;
END
echo "${BS}."
exit 0