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Commit 013c2c6

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Jan WieckJan Wieck
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New dump utility script pg_dumpaccounts.
Dumps pg_shadow and pg_group (derived from pg_dumpall). Jan
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src/bin/pg_dump/Makefile.in

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#
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#
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# IDENTIFICATION
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/Makefile.in,v 1.13 2000/05/11 17:46:32 momjian Exp $
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/Makefile.in,v 1.13.2.1 2000/11/02 16:54:21 wieck Exp $
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#
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#-------------------------------------------------------------------------
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@@ -41,6 +41,7 @@ submake:
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install: pg_dump
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$(INSTALL) $(INSTL_EXE_OPTS) pg_dump$(X) $(BINDIR)/pg_dump$(X)
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$(INSTALL) $(INSTL_EXE_OPTS) pg_dumpall $(BINDIR)/pg_dumpall
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$(INSTALL) $(INSTL_EXE_OPTS) pg_dumpaccounts $(BINDIR)/pg_dumpaccounts
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$(INSTALL) $(INSTL_EXE_OPTS) pg_upgrade $(BINDIR)/pg_upgrade
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depend dep:

src/bin/pg_dump/pg_dumpaccounts

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

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