mirror of https://github.com/postgres/postgres
Marc G. Fournier
28 years ago
parent
e05aa52a55
commit
74b30a3a1f
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#!/bin/sh |
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#------------------------------------------------------------------------- |
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# |
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# initdb.sh-- |
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# Create (initialize) a Postgres database system. |
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# |
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# A database system is a collection of Postgres databases all managed |
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# by the same postmaster. |
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# |
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# To create the database system, we create the directory that contains |
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# all its data, create the files that hold the global classes, create |
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# a few other control files for it, and create one database: the |
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# template database. |
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# |
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# The template database is an ordinary Postgres database. Its data |
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# never changes, though. It exists to make it easy for Postgres to |
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# create other databases -- it just copies. |
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# |
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# Optionally, we can skip creating the database system and just create |
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# (or replace) the template database. |
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# |
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# To create all those classes, we run the postgres (backend) program and |
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# feed it data from bki files that are in the Postgres library directory. |
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# |
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# Copyright (c) 1994, Regents of the University of California |
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# |
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# |
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# IDENTIFICATION |
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# $Header: /cvsroot/pgsql/src/bin/initdb/Attic/initdb.sh,v 1.43 1998/07/26 04:22:42 scrappy Exp $ |
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# |
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#------------------------------------------------------------------------- |
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|
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# ---------------- |
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# The _fUnKy_..._sTuFf_ gets set when the script is built (with make) |
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# from parameters set in the make file. |
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# |
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# ---------------- |
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|
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CMDNAME=`basename $0` |
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MB=__MB__ |
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if [ -n "$MB" ];then |
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MBID=`pg_encoding $MB` |
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fi |
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|
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# Find the default PGLIB directory (the directory that contains miscellaneous |
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# files that are part of Postgres). The user-written program postconfig |
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# outputs variable settings like "PGLIB=/usr/lib/whatever". If it doesn't |
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# output a PGLIB value, then there is no default and the user must |
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# specify the pglib option. Postconfig may validly not exist, in which case |
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# our invocation of it silently fails. |
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# The 2>/dev/null is to swallow the "postconfig: not found" message if there |
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# is no postconfig. |
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postconfig_result="`sh -c postconfig 2>/dev/null`" |
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if [ ! -z "$postconfig_result" ]; then |
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set -a # Make the following variable assignment exported to environment |
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eval "$postconfig_result" |
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set +a # back to normal |
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fi |
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|
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# Set defaults: |
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debug=0 |
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noclean=0 |
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template_only=0 |
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POSTGRES_SUPERUSERNAME=$USER |
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while [ "$#" -gt 0 ] |
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do |
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# ${ARG#--username=} is not reliable or available on all platforms |
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case "$1" in |
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--debug|-d) |
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debug=1 |
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echo "Running with debug mode on." |
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;; |
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--noclean|-n) |
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noclean=1 |
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echo "Running with noclean mode on. " |
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"Mistakes will not be cleaned up." |
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;; |
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--template|-t) |
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template_only=1 |
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echo "updating template1 database only." |
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;; |
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--username=*) |
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POSTGRES_SUPERUSERNAME="`echo $1 | sed 's/^--username=//'`" |
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;; |
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-u) |
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shift |
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POSTGRES_SUPERUSERNAME="$1" |
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;; |
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-u*) |
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POSTGRES_SUPERUSERNAME="`echo $1 | sed 's/^-u//'`" |
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;; |
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--pgdata=*) |
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PGDATA="`echo $1 | sed 's/^--pgdata=//'`" |
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;; |
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-r) |
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shift |
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PGDATA="$1" |
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;; |
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-r*) |
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PGDATA="`echo $1 | sed 's/^-r//'`" |
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;; |
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--pglib=*) |
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PGLIB="`echo $1 | sed 's/^--pglib=//'`" |
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;; |
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-l) |
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shift |
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PGLIB="$1" |
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;; |
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-l*) |
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PGLIB="`echo $1 | sed 's/^-l//'`" |
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;; |
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--pgencoding=*) |
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if [ -z "$MB" ];then |
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echo "MB support seems to be disabled" |
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exit 100 |
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fi |
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mb="`echo $1 | sed 's/^--pgencoding=//'`" |
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MBID=`pg_encoding $mb` |
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if [ -z "$MBID" ];then |
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echo "$mb is not a valid encoding name" |
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exit 100 |
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fi |
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;; |
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-e) |
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if [ -z "$MB" ];then |
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echo "MB support seems to be disabled" |
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exit 100 |
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fi |
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shift |
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MBID=`pg_encoding $1` |
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if [ -z "$MBID" ];then |
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echo "$1 is not a valid encoding name" |
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exit 100 |
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fi |
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;; |
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-e*) |
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if [ -z "$MB" ];then |
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echo "MB support seems to be disabled" |
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exit 100 |
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fi |
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mb="`echo $1 | sed 's/^-e//'`" |
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MBID=`pg_encoding $mb` |
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if [ -z "$MBID" ];then |
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echo "$mb is not a valid encoding name" |
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exit 100 |
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fi |
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;; |
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*) |
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echo "Unrecognized option '$1'. Syntax is:" |
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if [ -z "$MB" ];then |
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echo "initdb [-t | --template] [-d | --debug]" \ |
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"[-n | --noclean]" \ |
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"[-u SUPERUSER | --username=SUPERUSER]" \ |
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"[-r DATADIR | --pgdata=DATADIR]" \ |
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"[-l LIBDIR | --pglib=LIBDIR]" |
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else |
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echo "initdb [-t | --template] [-d | --debug]" \ |
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"[-n | --noclean]" \ |
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"[-u SUPERUSER | --username=SUPERUSER]" \ |
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"[-r DATADIR | --pgdata=DATADIR]" \ |
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"[-l LIBDIR | --pglib=LIBDIR]" \ |
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"[-e ENCODING | --pgencoding=ENCODING]" |
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fi |
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exit 100 |
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esac |
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shift |
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done |
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#------------------------------------------------------------------------- |
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# Make sure he told us where to find the Postgres files. |
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#------------------------------------------------------------------------- |
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if [ -z "$PGLIB" ]; then |
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echo "$CMDNAME does not know where to find the files that make up " |
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echo "Postgres (the PGLIB directory). You must identify the PGLIB " |
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echo "directory either with a --pglib invocation option, or by " |
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echo "setting the PGLIB environment variable, or by having a program " |
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echo "called 'postconfig' in your search path that outputs an asignment " |
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echo "for PGLIB." |
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exit 20 |
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fi |
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#------------------------------------------------------------------------- |
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# Make sure he told us where to build the database system |
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#------------------------------------------------------------------------- |
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if [ -z "$PGDATA" ]; then |
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echo "$CMDNAME: You must identify the PGDATA directory, where the data" |
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echo "for this database system will reside. Do this with either a" |
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echo "--pgdata invocation option or a PGDATA environment variable." |
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echo |
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exit 20 |
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fi |
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TEMPLATE=$PGLIB/local1_template1.bki.source |
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GLOBAL=$PGLIB/global1.bki.source |
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TEMPLATE_DESCR=$PGLIB/local1_template1.description |
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GLOBAL_DESCR=$PGLIB/global1.description |
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PG_HBA_SAMPLE=$PGLIB/pg_hba.conf.sample |
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PG_GEQO_SAMPLE=$PGLIB/pg_geqo.sample |
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#------------------------------------------------------------------------- |
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# Find the input files |
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#------------------------------------------------------------------------- |
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for PREREQ_FILE in $TEMPLATE $GLOBAL $PG_HBA_SAMPLE; do |
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if [ ! -f $PREREQ_FILE ]; then |
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echo "$CMDNAME does not find the file '$PREREQ_FILE'." |
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echo "This means you have identified an invalid PGLIB directory." |
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echo "You specify a PGLIB directory with a --pglib invocation " |
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echo "option, a PGLIB environment variable, or a postconfig program." |
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exit 1 |
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fi |
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done |
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echo "$CMDNAME: using $TEMPLATE as input to create the template database." |
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if [ $template_only -eq 0 ]; then |
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echo "$CMDNAME: using $GLOBAL as input to create the global classes." |
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echo "$CMDNAME: using $PG_HBA_SAMPLE as the host-based authentication" \ |
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"control file." |
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echo |
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fi |
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#--------------------------------------------------------------------------- |
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# Figure out who the Postgres superuser for the new database system will be. |
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#--------------------------------------------------------------------------- |
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if [ -z "$POSTGRES_SUPERUSERNAME" ]; then |
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echo "Can't tell what username to use. You don't have the USER" |
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echo "environment variable set to your username and didn't specify the " |
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echo "--username option" |
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exit 1 |
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fi |
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POSTGRES_SUPERUID=`pg_id $POSTGRES_SUPERUSERNAME` |
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if [ $POSTGRES_SUPERUID = NOUSER ]; then |
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echo "Valid username not given. You must specify the username for " |
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echo "the Postgres superuser for the database system you are " |
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echo "initializing, either with the --username option or by default " |
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echo "to the USER environment variable." |
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exit 10 |
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fi |
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if [ $POSTGRES_SUPERUID -ne `pg_id` -a `pg_id` -ne 0 ]; then |
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echo "Only the unix superuser may initialize a database with a different" |
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echo "Postgres superuser. (You must be able to create files that belong" |
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echo "to the specified unix user)." |
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exit 2 |
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fi |
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echo "We are initializing the database system with username" \ |
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"$POSTGRES_SUPERUSERNAME (uid=$POSTGRES_SUPERUID)." |
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echo "This user will own all the files and must also own the server process." |
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echo |
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# ----------------------------------------------------------------------- |
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# Create the data directory if necessary |
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# ----------------------------------------------------------------------- |
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# umask must disallow access to group, other for files and dirs |
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umask 077 |
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if [ -f "$PGDATA/PG_VERSION" ]; then |
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if [ $template_only -eq 0 ]; then |
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echo "$CMDNAME: error: File $PGDATA/PG_VERSION already exists." |
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echo "This probably means initdb has already been run and the " |
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echo "database system already exists." |
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echo |
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echo "If you want to create a new database system, either remove " |
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echo "the $PGDATA directory or run initdb with a --pgdata option " |
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echo "other than $PGDATA." |
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exit 1 |
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fi |
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else |
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if [ ! -d $PGDATA ]; then |
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echo "Creating Postgres database system directory $PGDATA" |
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echo |
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mkdir $PGDATA |
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if [ $? -ne 0 ]; then exit 5; fi |
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fi |
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if [ ! -d $PGDATA/base ]; then |
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echo "Creating Postgres database system directory $PGDATA/base" |
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echo |
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mkdir $PGDATA/base |
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if [ $? -ne 0 ]; then exit 5; fi |
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fi |
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fi |
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#---------------------------------------------------------------------------- |
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# Create the template1 database |
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#---------------------------------------------------------------------------- |
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rm -rf $PGDATA/base/template1 |
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mkdir $PGDATA/base/template1 |
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if [ "$debug" -eq 1 ]; then |
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BACKEND_TALK_ARG="-d" |
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else |
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BACKEND_TALK_ARG="-Q" |
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fi |
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BACKENDARGS="-boot -C -F -D$PGDATA $BACKEND_TALK_ARG" |
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echo "$CMDNAME: creating template database in $PGDATA/base/template1" |
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echo "Running: postgres $BACKENDARGS template1" |
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cat $TEMPLATE \ |
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| sed -e "s/postgres PGUID/$POSTGRES_SUPERUSERNAME $POSTGRES_SUPERUID/" \ |
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-e "s/PGUID/$POSTGRES_SUPERUID/" \ |
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| postgres $BACKENDARGS template1 |
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if [ $? -ne 0 ]; then |
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echo "$CMDNAME: could not create template database" |
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if [ $noclean -eq 0 ]; then |
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echo "$CMDNAME: cleaning up by wiping out $PGDATA/base/template1" |
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rm -rf $PGDATA/base/template1 |
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else |
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echo "$CMDNAME: cleanup not done because noclean options was used." |
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fi |
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exit 1; |
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fi |
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echo |
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pg_version $PGDATA/base/template1 |
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#---------------------------------------------------------------------------- |
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# Create the global classes, if requested. |
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#---------------------------------------------------------------------------- |
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if [ $template_only -eq 0 ]; then |
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echo "Creating global classes in $PG_DATA/base" |
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echo "Running: postgres $BACKENDARGS template1" |
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cat $GLOBAL \ |
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| sed -e "s/postgres PGUID/$POSTGRES_SUPERUSERNAME $POSTGRES_SUPERUID/" \ |
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-e "s/PGUID/$POSTGRES_SUPERUID/" \ |
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| postgres $BACKENDARGS template1 |
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if (test $? -ne 0) |
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then |
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echo "$CMDNAME: could not create global classes." |
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if (test $noclean -eq 0); then |
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echo "$CMDNAME: cleaning up." |
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rm -rf $PGDATA |
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else |
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echo "$CMDNAME: cleanup not done (noclean mode set)." |
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fi |
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exit 1; |
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fi |
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echo |
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pg_version $PGDATA |
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cp $PG_HBA_SAMPLE $PGDATA/pg_hba.conf |
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cp $PG_GEQO_SAMPLE $PGDATA/pg_geqo.sample |
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echo "Adding template1 database to pg_database..." |
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echo "open pg_database" > /tmp/create.$$ |
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if [ -z "$MB" ];then |
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echo "insert (template1 $POSTGRES_SUPERUID template1)" >> /tmp/create.$$ |
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else |
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echo "insert (template1 $POSTGRES_SUPERUID $MBID template1)" >> /tmp/create.$$ |
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fi |
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#echo "show" >> /tmp/create.$$ |
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echo "close pg_database" >> /tmp/create.$$ |
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echo "Running: postgres $BACKENDARGS template1 < /tmp/create.$$" |
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postgres $BACKENDARGS template1 < /tmp/create.$$ |
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if [ $? -ne 0 ]; then |
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echo "$CMDNAME: could not log template database" |
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if [ $noclean -eq 0 ]; then |
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echo "$CMDNAME: cleaning up." |
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rm -rf $PGDATA |
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else |
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echo "$CMDNAME: cleanup not done (noclean mode set)." |
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fi |
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exit 1; |
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fi |
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rm -f /tmp/create.$$ |
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fi |
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echo |
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PGSQL_OPT="-o /dev/null -F -Q -D$PGDATA" |
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# If the COPY is first, the VACUUM generates an error, so we vacuum first |
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echo "vacuuming template1" |
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echo "vacuum" | postgres $PGSQL_OPT template1 > /dev/null |
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echo "COPY pg_shadow TO '$PGDATA/pg_pwd' USING DELIMITERS '\\t'" | \ |
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postgres $PGSQL_OPT template1 > /dev/null |
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echo "creating public pg_user view" |
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echo "CREATE TABLE xpg_user ( \ |
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usename name, \ |
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usesysid int4, \ |
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usecreatedb bool, \ |
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usetrace bool, \ |
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usesuper bool, \ |
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usecatupd bool, \ |
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passwd text, \ |
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valuntil abstime);" | postgres $PGSQL_OPT template1 > /dev/null |
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#move it into pg_user |
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echo "UPDATE pg_class SET relname = 'pg_user' WHERE relname = 'xpg_user';" |\ |
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postgres $PGSQL_OPT template1 > /dev/null |
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echo "UPDATE pg_type SET typname = 'pg_user' WHERE typname = 'xpg_user';" |\ |
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postgres $PGSQL_OPT template1 > /dev/null |
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mv $PGDATA/base/template1/xpg_user $PGDATA/base/template1/pg_user |
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echo "CREATE RULE _RETpg_user AS ON SELECT TO pg_user DO INSTEAD \ |
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SELECT usename, usesysid, usecreatedb, usetrace, \ |
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usesuper, usecatupd, '********'::text as passwd, \ |
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valuntil FROM pg_shadow;" | \ |
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postgres $PGSQL_OPT template1 > /dev/null |
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echo "REVOKE ALL on pg_shadow FROM public" | \ |
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|
postgres $PGSQL_OPT template1 > /dev/null |
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|
|
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|
echo "loading pg_description" |
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|
echo "copy pg_description from '$TEMPLATE_DESCR'" | \ |
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|
postgres $PGSQL_OPT template1 > /dev/null |
||||||
|
echo "copy pg_description from '$GLOBAL_DESCR'" | \ |
||||||
|
postgres $PGSQL_OPT template1 > /dev/null |
||||||
|
echo "vacuum analyze" | \ |
||||||
|
postgres $PGSQL_OPT template1 > /dev/null |
||||||
Loading…
Reference in new issue