mirror of
https://github.com/postgres/postgres.git
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Wow, it actually worked for the regression database. More testing needed.
This commit is contained in:
Bruce Momjian
parent
f5bbcfb0b2
commit
5b2ebe95e9
@ -1,5 +1,5 @@
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<!--
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.19 2002/01/11 20:48:47 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.20 2002/01/13 01:13:59 momjian Exp $
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PostgreSQL documentation
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PostgreSQL documentation
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-->
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-->
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@ -23,9 +23,10 @@ PostgreSQL documentation
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<refsynopsisdivinfo>
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<refsynopsisdivinfo>
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<date>1999-07-31</date>
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<date>1999-07-31</date>
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</refsynopsisdivinfo>
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</refsynopsisdivinfo>
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<synopsis>
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<cmdsynopsis>
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pg_upgrade -s <replaceable class="parameter">filename</replaceable> <replaceable class="parameter">old_data_dir</replaceable>
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<command>pg_upgrade</command>
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</synopsis>
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<group choice="plain"><arg>-1</arg><arg>-2</arg></group>
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</cmdsynopsis>
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</refsynopsisdiv>
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</refsynopsisdiv>
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<refsect1 id="R1-APP-PG-UPGRADE-1">
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<refsect1 id="R1-APP-PG-UPGRADE-1">
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@ -56,31 +57,20 @@ pg_upgrade -s <replaceable class="parameter">filename</replaceable> <replaceable
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<step performance="required">
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<step performance="required">
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<para>
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<para>
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Then do:
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Copy the program <filename>pgsql/src/bin/pg_dump/pg_upgrade</filename>
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from the current PostgreSQL distribution into somewhere in your path.
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</para>
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</step>
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<step performance="required">
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<para>
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Change your working directory to the
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pgsql main directory, and type:
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<programlisting>
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<programlisting>
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$ pg_dumpall -s > schema.out
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$ pg_upgrade -1
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</programlisting>
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</programlisting>
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to dump out your old database's table definitions without any data.
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to collect information about the old database needed for the
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</para>
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upgrade.
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</step>
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<step performance="required">
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<para>
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<command>VACUUM</command> your entire database using
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<command>vacuumdb -a</command.>
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</para>
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</step>
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<step performance="required">
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<para>
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Stop the old postmaster and all backends.
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</para>
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</step>
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<step performance="required">
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<para>
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Rename (using mv) your old pgsql <filename>data/</filename> directory to
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<filename>data.old/</filename>.
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</para>
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</para>
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</step>
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</step>
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@ -109,14 +99,15 @@ $ make install
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<step performance="required">
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<step performance="required">
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<para>
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<para>
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Run <application>initdb</application> to create a new template1 database
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Run <application>initdb</application> to create a new template1 database
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containing the system tables for the new release.
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containing the system tables for the new release. Make sure you use
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settings similar to those used in your previous version.
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</para>
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</para>
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</step>
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</step>
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<step performance="required">
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<step performance="required">
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<para>
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<para>
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Start the new postmaster. (Note: it is critical that no users connect
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Start the new postmaster. (Note: it is critical that no users connect
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to the database until the upgrade is complete. You may wish to start
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to the server until the upgrade is complete. You may wish to start
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the postmaster without -i and/or alter <filename>pg_hba.conf</filename>
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the postmaster without -i and/or alter <filename>pg_hba.conf</filename>
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temporarily.)
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temporarily.)
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</para>
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</para>
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@ -127,7 +118,7 @@ $ make install
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Change your working directory to the
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Change your working directory to the
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pgsql main directory, and type:
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pgsql main directory, and type:
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<programlisting>
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<programlisting>
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$ pg_upgrade -s schema.out data.old
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$ pg_upgrade -2
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</programlisting>
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</programlisting>
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The program will do some checking to make sure everything is properly
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The program will do some checking to make sure everything is properly
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configured, and will run your db.out script to recreate all the databases
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configured, and will run your db.out script to recreate all the databases
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@ -149,7 +140,7 @@ $ pg_upgrade -s schema.out data.old
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<step performance="required">
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<step performance="required">
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<para>
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<para>
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<emphasis>Carefully</emphasis> examine the contents of the upgraded
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<emphasis>Carefully</emphasis> examine the contents of the upgraded
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database. If you detect problems, you'll need to recover by restoring
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databases. If you detect problems, you'll need to recover by restoring
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from your full pg_dump backup.
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from your full pg_dump backup.
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You can delete the <filename>data.old/</filename> directory when you
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You can delete the <filename>data.old/</filename> directory when you
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are satisfied.
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are satisfied.
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@ -158,18 +149,11 @@ $ pg_upgrade -s schema.out data.old
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<step performance="required">
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<step performance="required">
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<para>
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<para>
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The upgraded database will be in an un-vacuumed state. You will probably
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The upgraded databases will be in an un-vacuumed state. You will probably
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want to run a <command>VACUUM ANALYZE</command> before beginning
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want to run a <command>VACUUM ANALYZE</command> before beginning
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production work.
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production work.
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</para>
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</para>
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</step>
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</step>
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<note>
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<para>
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pg_upgrade does not handle custom tables/indexes/sequences in template1.
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It does handle other template1 object customizations.
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</para>
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</note>
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</procedure>
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</procedure>
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</refsect1>
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</refsect1>
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</refentry>
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</refentry>
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@ -3,111 +3,327 @@
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# pg_upgrade: update a database without needing a full dump/reload cycle.
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# pg_upgrade: update a database without needing a full dump/reload cycle.
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# CAUTION: Read the manual page before trying to use this!
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# CAUTION: Read the manual page before trying to use this!
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#set -x
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.30 2002/01/13 01:13:59 momjian Exp $
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# Set this to "Y" to enable this program
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ENABLE="N"
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# UPGRADE_VERSION is the expected old database version
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UPGRADE_VERSION="7.1"
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# Hard-wired from pg_class in 7.1. I wish there was another way.
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# Are these fixed values for that release? XXX
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SRC_LARGEOBJECT_OID=16948
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SRC_LARGEOBJECT_IDX_OID=17148
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.29 2002/01/11 20:34:14 momjian Exp $
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#
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#
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# NOTE: we must be sure to update the version-checking code a few dozen lines
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# NOTE: we must be sure to update the version-checking code a few dozen lines
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# below for each new PostgreSQL release.
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# below for each new PostgreSQL release.
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set -x
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# Set this to "Y" to enable this program
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ENABLE="Y"
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# UPGRADE_VERSION is the expected old database version
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UPGRADE_VERSION="7.1"
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CUR_VERSION="7.2"
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trap "rm -f /tmp/$$.*" 0 1 2 3 15
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trap "rm -f /tmp/$$.*" 0 1 2 3 15
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SCHEMA=""
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PHASE=""
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while [ "$#" -gt 1 ]
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if [ "$#" -eq 1 ]
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do
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then
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if [ "X$1" = "X-s" ]
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if [ "X$1" = "X-1" ]
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then SCHEMA="$2"
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then PHASE="1"
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if [ ! -s "$SCHEMA" ]
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shift
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then echo "$SCHEMA does not exist" 1>&2
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elif [ "X$1" = "X-2" ]
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exit 1
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then PHASE="2"
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shift
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fi
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fi
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shift 2
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fi
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else echo "Usage: $0 -s schema_dump old_data_dir" 1>&2
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exit 1
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fi
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done
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if [ "$#" -ne 1 -o ! "$SCHEMA" ]
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if [ "$PHASE" = "" ]
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then echo "Usage: $0 -s schema_dump old_data_dir" 1>&2
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then echo "You must run $0 in either mode 1 or mode 2." 1>&2
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echo "Usage: $0 [ -1 | -2 ]" 1>&2
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exit 1
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exit 1
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fi
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fi
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OLDDIR="$1"
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if [ ! -e data ]
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then echo "$0 must be run from the directory above your /data directory.
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$0 aborted." 1>&2
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if [ "$PHASE" -eq 2 ]
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then echo "You must run initdb to create a template1 database." 1>&2
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fi
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exit 1
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fi
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INFODIR="pg_upgrade_info"
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OLDDIR="$INFODIR/data"
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make_dbobjoidmap()
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{
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psql -d template1 -At -c "SELECT datname FROM pg_database" |
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grep -v '^template0$' | # template1 OK
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while read DB
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do
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QUERY="`echo \" SELECT relname, oid
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FROM pg_class
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WHERE relkind = 'r' OR
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relkind = 'i' OR
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relkind = 't'\"`"
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# Don't move over 7.1 sequences; use setval() file
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if [ "$SRC_VERSION" != "7.1" ]
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then QUERY="$QUERY OR relkind = 'S';";
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QUERY="$QUERY;"
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fi
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psql -d "$DB" -At -F' ' -c "$QUERY" |
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while read RELNAME_OID
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do
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echo "$DB $RELNAME_OID"
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done
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done
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}
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make_dboidmap()
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{
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psql -d template1 -At -F' ' -c \
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'SELECT datname, oid FROM pg_database;'
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}
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move_objfiles()
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{
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# Test to make sure there is a matching file in each place
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if [ ! -e "$OLDDIR"/base/"$SRC_DBOID"/"$SRC_OID" ]
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then echo "Move of database $DB, OID $SRC_OID, object $OBJ failed.
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File not found; exiting" 1>&2
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exit 1
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fi
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if [ ! -e data/base/"$DST_DBOID"/"$DST_OID" ]
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then echo "Move of database $DB, OID $DST_OID, object $OBJ failed.
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File not found; exiting" 1>&2
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exit 1
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fi
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# Move files
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mv -f "$OLDDIR"/base/"$SRC_DBOID"/"$SRC_OID" data/base/"$DST_DBOID"/"$DST_OID"
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if [ "$?" -ne 0 ]
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then echo "Move of database $DB, OID $SRC_OID, object $OBJ
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to $DST_OID failed.; exiting" 1>&2
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exit 1
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fi
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# handle table extents
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ls "$OLDDIR"/base/"$SRC_DBOID"/"$SRC_OID".* 2>/dev/null | while read FILE
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|
do
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EXT=`basename "$FILE" | sed 's/^.*\.\(.*\)$/\1/'`
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mv -f "$FILE" data/base/"$DST_DBOID"/"$DST_OID"."$EXT"
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if [ "$?" -ne 0 ]
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then echo "Move of database $DB, OID $SRC_OID, object $OBJ
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|
to $DST_OID failed.; exiting" 1>&2
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exit 1
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|
fi
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|
done
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|
}
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if [ "$PHASE" -eq 1 ]
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then
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|
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|
##########################
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# Phase 1 starts here #
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##########################
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if [ ! -d data/base/1 ]
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|
then echo "There is no database template1 in data/base." 1>&2
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|
exit 1
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|
fi
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|
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# get version
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SRC_VERSION="`cat data/PG_VERSION`"
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if [ "$SRC_VERSION" = "" ]
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|
then echo "$0 can not find PostgreSQL version file 'data/PG_VERSION'.
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|
$0 aborted." 1>&2
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|
exit 1
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|
fi
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|
if [ "$SRC_VERSION" != "$CUR_VERSION" -a \
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"$SRC_VERSION" != "$UPGRADE_VERSION" ]
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|
then echo
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||||||
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"$0 supports versions $UPGRADE_VERSION and $CUR_VERSION only." 1>&2
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|
echo
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|
"However, your database is version $SRC_VERSION;
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|
$0 aborted." 1>&2
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|
exit 1
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||||||
|
fi
|
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|
|
||||||
|
# Check that input database is of a compatible version (anything with the same
|
||||||
|
# physical layout of user tables and indexes should be OK). I did not write
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|
# something like "$SRC_VERSION -ge $UPGRADE_VERSION" because test(1) isn't bright
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||||||
|
# enough to compare dotted version strings properly. Using a case statement
|
||||||
|
# looks uglier but is more flexible.
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||||||
|
if [ "$ENABLE" != "Y" ]
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||||||
|
then
|
||||||
|
echo "Sorry, $0 cannot upgrade database
|
||||||
|
version $SRC_VERSION to $DST_VERSION." 1>&2
|
||||||
|
echo "The on-disk structure of tables has changed." 1>&2
|
||||||
|
echo "You will need to dump and restore using pg_dumpall." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# Start server, if needed, so we can do some work.
|
||||||
|
if ! pg_ctl status | head -1 | grep -q "is running"
|
||||||
|
then pg_ctl -w start
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not start server.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# create directory for our data
|
||||||
|
rm -rf "$INFODIR"
|
||||||
|
mkdir "$INFODIR"
|
||||||
|
chmod og-rwx "$INFODIR"
|
||||||
|
|
||||||
|
# Dump schema
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||||||
|
pg_dumpall -s |
|
||||||
|
awk -F' *' '
|
||||||
|
{
|
||||||
|
# Modify sequences with int8 maximums if we are upgrading from 7.1.
|
||||||
|
if ("'"$SRC_VERSION"'" == "7.1" &&
|
||||||
|
$1 == "CREATE" &&
|
||||||
|
$2 == "SEQUENCE" &&
|
||||||
|
# handle OS rounding
|
||||||
|
$9 >= 2147483646 &&
|
||||||
|
$9 <= 2147483648)
|
||||||
|
{
|
||||||
|
for(i=1; i < NF; i++)
|
||||||
|
{
|
||||||
|
if (i != 9)
|
||||||
|
printf "%s ", $i;
|
||||||
|
else
|
||||||
|
printf "%s ", "9223372036854775807";
|
||||||
|
}
|
||||||
|
print;
|
||||||
|
}
|
||||||
|
else print $0;
|
||||||
|
}' > "$INFODIR"/schema
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not dump schema.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Generate mappings for database
|
||||||
|
make_dboidmap > "$INFODIR"/dboidmap
|
||||||
|
make_dbobjoidmap > "$INFODIR"/dbobjoidmap
|
||||||
|
|
||||||
|
# Generate setval() script for 7.1 because it has int4 sequences
|
||||||
|
|
||||||
|
if [ "$SRC_VERSION" = "7.1" ]
|
||||||
|
then
|
||||||
|
psql -d template1 -At -c "SELECT datname FROM pg_database" |
|
||||||
|
grep -v '^template0$' | # template1 OK
|
||||||
|
while read DB
|
||||||
|
do
|
||||||
|
echo "\\connect $DB"
|
||||||
|
psql -d "$DB" -At -c "
|
||||||
|
SELECT relname
|
||||||
|
FROM pg_class
|
||||||
|
WHERE relkind = 'S';" |
|
||||||
|
while read SEQUENCE
|
||||||
|
do
|
||||||
|
VALUE=`psql -d template1 -At -c "SELECT last_value
|
||||||
|
FROM \"$SEQUENCE\";"`
|
||||||
|
echo "SELECT setval ('$SEQUENCE', $VALUE, true);"
|
||||||
|
done
|
||||||
|
done > "$INFODIR"/setval
|
||||||
|
else rm -f "$INFODIR"/setval
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Vacuum all databases to remove exipired rows.
|
||||||
|
# We will lose our transaction log file during the upgrade so we
|
||||||
|
# have to do this.
|
||||||
|
|
||||||
|
vacuumdb -a
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not vacuum server.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Stop server so we can move the directory.
|
||||||
|
pg_ctl -w stop
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not stop server.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
mv data "$INFODIR"
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not move old /data out of the way.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
echo "Plase 1 completed. Continue with the steps outlined in the $0 manual page."
|
||||||
|
exit 0
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
##########################
|
||||||
|
# Phase 2 starts here #
|
||||||
|
##########################
|
||||||
|
|
||||||
# check things
|
# check things
|
||||||
|
|
||||||
if [ ! -d "./data" ]
|
if [ ! -d "$INFODIR" ]
|
||||||
then echo "`basename $0` must be run from the directory containing the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
|
then echo "There is no '$INFODIR' directory from a phase 1 run of $0." 1>&2
|
||||||
echo "You must have run initdb to create the template1 database." 1>&2
|
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
if [ ! -d "./$OLDDIR" ]
|
if [ ! -e "$OLDDIR" ]
|
||||||
then echo "You must rename your old data directory to $OLDDIR and run initdb." 1>&2
|
then echo "There is no '$OLDDIR' directory from the phase 1 run of $0." 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
if [ ! -d "./data/base/1" ]
|
if [ ! -f "$OLDDIR/PG_VERSION" ]
|
||||||
then echo "Cannot find database template1 in ./data/base." 1>&2
|
then echo "Cannot read '$OLDDIR/PG_VERSION' --- something is wrong." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ ! -f "data/PG_VERSION" ]
|
||||||
|
then echo "Cannot read 'data/PG_VERSION' --- something is wrong." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ ! -d "data/base/1" ]
|
||||||
|
then echo "Cannot find database template1 in 'data/base'." 1>&2
|
||||||
echo "Are you running $0 as the postgres superuser?" 1>&2
|
echo "Are you running $0 as the postgres superuser?" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
if [ ! -d "./$OLDDIR/base/1" ]
|
|
||||||
then echo "There is no database template1 in ./$OLDDIR/base." 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ ! -r "./data/PG_VERSION" ]
|
|
||||||
then echo "Cannot read ./data/PG_VERSION --- something is wrong." 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ ! -r "./$OLDDIR/PG_VERSION" ]
|
|
||||||
then echo "Cannot read ./$OLDDIR/PG_VERSION --- something is wrong." 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Get the actual versions seen in the data dirs.
|
# Get the actual versions seen in the data dirs.
|
||||||
|
|
||||||
DEST_VERSION=`cat ./data/PG_VERSION`
|
SRC_VERSION=`cat "$OLDDIR"/PG_VERSION`
|
||||||
SRC_VERSION=`cat ./$OLDDIR/PG_VERSION`
|
DST_VERSION=`cat data/PG_VERSION`
|
||||||
|
|
||||||
# Check for version compatibility.
|
# Check for version compatibility.
|
||||||
# This code will need to be updated/reviewed for each new PostgreSQL release.
|
# This code will need to be updated/reviewed for each new PostgreSQL release.
|
||||||
|
|
||||||
if [ "$DEST_VERSION" != "$UPGRADE_VERSION" -a "$DEST_VERSION" != "$SRC_VERSION" ]
|
if [ "$DST_VERSION" != "$CUR_VERSION" ]
|
||||||
then echo "`basename $0` is for PostgreSQL version $UPGRADE_VERSION, but ./data/PG_VERSION contains $DEST_VERSION." 1>&2
|
then echo "$0 is for PostgreSQL version $CUR_VERSION
|
||||||
echo "Did you run initdb for version $UPGRADE_VERSION?" 1>&2
|
but data/PG_VERSION contains $DST_VERSION." 1>&2
|
||||||
|
echo "Did you run initdb for version $UPGRADE_VERSION by mistake?" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# Check that input database is of a compatible version (anything with the same
|
# Stop server for pg_resetxlog use
|
||||||
# physical layout of user tables and indexes should be OK). I did not write
|
|
||||||
# something like "$SRC_VERSION -ge $UPGRADE_VERSION" because test(1) isn't bright
|
|
||||||
# enough to compare dotted version strings properly. Using a case statement
|
|
||||||
# looks uglier but is more flexible.
|
|
||||||
|
|
||||||
if [ "$ENABLE" != "Y" ]
|
if pg_ctl status | head -1 | grep -q "is running"
|
||||||
then
|
then pg_ctl -w stop
|
||||||
case "$SRC_VERSION" in
|
if [ $? -ne 0 ]
|
||||||
# 7.2) ;;
|
then echo "Can no start server.
|
||||||
*) echo "Sorry, `basename $0` cannot upgrade database version $SRC_VERSION to $DEST_VERSION." 1>&2
|
$0 aborted." 1>&2
|
||||||
echo "The on-disk structure of tables has changed." 1>&2
|
exit 1
|
||||||
echo "You will need to dump and restore using pg_dumpall." 1>&2
|
fi
|
||||||
exit 1;;
|
|
||||||
esac
|
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# check for proper pg_resetxlog version
|
# check for proper pg_resetxlog version
|
||||||
@ -120,7 +336,7 @@ Install it from pgsql/contrib/pg_resetxlog and continue.; exiting" 1>&2
|
|||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
if ! pg_resetxlog -x 2>&1 | grep -q XID
|
if ! pg_resetxlog -x 2>&1 | grep -q 'xid'
|
||||||
then echo "Old version of pg_resetxlog found in path.
|
then echo "Old version of pg_resetxlog found in path.
|
||||||
Install a newer version from pgsql/contrib/pg_resetxlog.; exiting" 1>&2
|
Install a newer version from pgsql/contrib/pg_resetxlog.; exiting" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
@ -130,7 +346,7 @@ fi
|
|||||||
# low numbers, and 7.2 will think they are in the future --- bad.
|
# low numbers, and 7.2 will think they are in the future --- bad.
|
||||||
|
|
||||||
SRC_XID=`pg_resetxlog -n "$OLDDIR" | grep "NextXID" | awk -F' *' '{print $4}'`
|
SRC_XID=`pg_resetxlog -n "$OLDDIR" | grep "NextXID" | awk -F' *' '{print $4}'`
|
||||||
if [ "$SRC_VERSION" = "7.1" -a "$XID" -gt 2000000000 ]
|
if [ "$SRC_VERSION" = "7.1" -a "$SRC_XID" -gt 2000000000 ]
|
||||||
then echo "XID too high for $0.; exiting" 1>&2
|
then echo "XID too high for $0.; exiting" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
@ -145,6 +361,15 @@ then echo "Locales do not match between the two versions.; exiting" 1>&2
|
|||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
|
# Restart postmaster
|
||||||
|
|
||||||
|
pg_ctl -w start
|
||||||
|
if [ $? -ne 0 ]
|
||||||
|
then echo "Can not start server.
|
||||||
|
$0 aborted." 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
###################################
|
###################################
|
||||||
# Checking done. Ready to proceed.
|
# Checking done. Ready to proceed.
|
||||||
@ -153,14 +378,14 @@ fi
|
|||||||
|
|
||||||
# Execute the schema script to create everything
|
# Execute the schema script to create everything
|
||||||
|
|
||||||
psql "template1" < "$SCHEMA"
|
psql template1 < "$INFODIR"/schema
|
||||||
if [ $? -ne 0 ]
|
if [ $? -ne 0 ]
|
||||||
then echo "There were errors in the input script $SCHEMA.
|
then echo "There were errors in the input script.
|
||||||
$0 aborted." 1>&2
|
$0 aborted." 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
echo "Input script $SCHEMA complete, fixing row commit statuses..."
|
echo "Input script complete, fixing row commit statuses..."
|
||||||
|
|
||||||
# XXX do we still need this?
|
# XXX do we still need this?
|
||||||
# Now vacuum each result database because our movement of transaction log
|
# Now vacuum each result database because our movement of transaction log
|
||||||
@ -173,28 +398,9 @@ $0 aborted." 1>&2
|
|||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# Used for scans looking for a database/table name match
|
# Generate mappings for database
|
||||||
# New oid is looked up
|
make_dboidmap > /tmp/$$.dboidmap
|
||||||
pg_dumpall -s > /tmp/$$.3 2>/dev/null
|
make_dbobjoidmap > /tmp/$$.dbobjoidmap
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Unable to dump schema of new database.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Get pg_largeobject oids for movement
|
|
||||||
|
|
||||||
DST_LARGEOBJECT_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject';"`
|
|
||||||
DST_LARGEOBJECT_IDX_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject_loid_pn_index';"`
|
|
||||||
if [ "$LARGEOBJECT_OID" -eq 0 -o "$LARGEOBJECT_IDX_OID" -eq 0 ]
|
|
||||||
then echo "Unable to find large object oid.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ "$SRC_VERSION" = "$DST_VERSION" ]
|
|
||||||
then # Versions are the same so we can get pg_largeobject oid this way
|
|
||||||
SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_OID"
|
|
||||||
SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_IDX_OID"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# we are done with SQL database access
|
# we are done with SQL database access
|
||||||
# shutdown forces buffers to disk
|
# shutdown forces buffers to disk
|
||||||
@ -209,146 +415,42 @@ echo "Commit fixes complete, moving data files..."
|
|||||||
|
|
||||||
# Move table/index/sequence files
|
# Move table/index/sequence files
|
||||||
|
|
||||||
cat "$SCHEMA" | while read LINE
|
cat "$INFODIR"/dbobjoidmap | while read LINE
|
||||||
do
|
do
|
||||||
if /bin/echo "$LINE" | grep -q '^\\connect [^ ]*$'
|
DB=`echo "$LINE" | awk '{print $1}'`
|
||||||
then OLDDB="$DB"
|
OBJ=`echo "$LINE" | awk '{print $2}'`
|
||||||
DB="`/bin/echo \"$LINE\" | cut -d' ' -f2`"
|
|
||||||
if [ "$DB" = "-" ]
|
# Skip system tables, except for pg_largeobject
|
||||||
then DB="$OLDDB"
|
# pg_toast tables are handled later as part of the
|
||||||
fi
|
# base table move
|
||||||
if [ "$DB" = "template1" -o "$DB" = "template0" ]
|
if [ `expr "$OBJ" : 'pg_'` -eq 3 -a \
|
||||||
then DB=""
|
`expr "$OBJ" : 'pg_largeobject'` -ne 14 ]
|
||||||
fi
|
then continue
|
||||||
fi
|
|
||||||
if echo "$LINE" | grep -q "^-- TOC Entry ID [0-9]* (OID "
|
|
||||||
then OID="`echo \"$LINE\" | cut -d' ' -f7 | tr -d ')'`"
|
|
||||||
fi
|
|
||||||
if echo "$LINE" | egrep -q "^-- Name: [^ ]* Type: (TABLE|INDEX|SEQUENCE) "
|
|
||||||
then TABLE="`echo \"$LINE\" | cut -d' ' -f3`"
|
|
||||||
# skip system tables
|
|
||||||
if [ "`echo \"$TABLE\" | cut -c 1-3`" = "pg_" ]
|
|
||||||
then TABLE=""
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
if [ "$DB" -a "$OID" -a "$TABLE" ]
|
|
||||||
then
|
|
||||||
NEWOID=`awk -F' ' '
|
|
||||||
BEGIN { newdb=""; newoid="";
|
|
||||||
newtable=""; ret=0;}
|
|
||||||
$1 == "\\\\connect" && $2 != "-" {newdb=$2;}
|
|
||||||
$0 ~ /^-- TOC Entry ID [0-9]* .OID / \
|
|
||||||
{ newoid = substr($7, 1, length($7)-1);}
|
|
||||||
{print $0 >> "/tmp/x";
|
|
||||||
print $3 >> "/tmp/x";
|
|
||||||
print newdb," ", newoid >> "/tmp/x"}
|
|
||||||
($0 ~ /^-- Name: [^ ]* Type: TABLE / || \
|
|
||||||
$0 ~ /^-- Name: [^ ]* Type: INDEX / || \
|
|
||||||
$0 ~ /^-- Name: [^ ]* Type: SEQUENCE /) && \
|
|
||||||
newdb == "'"$DB"'" && \
|
|
||||||
$3 == "'"$TABLE"'" \
|
|
||||||
{ ret=newoid; exit}
|
|
||||||
END { print ret;}' /tmp/$$.3`
|
|
||||||
if [ "$NEWOID" -eq 0 ]
|
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE failed.
|
|
||||||
New oid not found; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# We use stars so we don't have to worry about database oids
|
SRC_OID=`echo "$LINE" | awk '{print $3}'`
|
||||||
|
SRC_DBOID=`grep "^$DB " "$INFODIR"/dboidmap | awk '{print $2}'`
|
||||||
|
DST_DBOID=`grep "^$DB " /tmp/$$.dboidmap | awk '{print $2}'`
|
||||||
|
DST_OID=`grep "^$DB $OBJ " /tmp/$$.dbobjoidmap | awk '{print $3}'`
|
||||||
|
|
||||||
# Test to make sure there is exactly one matching file on each place
|
move_objfiles
|
||||||
|
|
||||||
if [ `ls "$OLDDIR"/base/*/"$OID" | wc -l` -eq 0 ]
|
# Handle TOAST files if they exist
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE failed.
|
if grep -q "^$DB pg_toast_$SRC_OID " "$INFODIR"/dbobjoidmap
|
||||||
File not found; exiting" 1>&2
|
then # toast heap
|
||||||
exit 1
|
SAVE_SRC_OID="$SRC_OID"
|
||||||
fi
|
SAVE_DST_OID="$DST_OID"
|
||||||
if [ `ls "$OLDDIR"/base/*/"$OID" | wc -l` -gt 1 ]
|
SRC_OID=`grep "^$DB pg_toast_$SAVE_SRC_OID " \
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE failed.
|
"$INFODIR"/dbobjoidmap | awk '{print $3}'`
|
||||||
Too many found; exiting" 1>&2
|
DST_OID=`grep "^$DB pg_toast_$SAVE_DST_OID " \
|
||||||
exit 1
|
/tmp/$$.dbobjoidmap | awk '{print $3}'`
|
||||||
fi
|
move_objfiles
|
||||||
if [ `ls data/base/*/"$NEWOID" | wc -l` -eq 0 ]
|
# toast index
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE to $NEWOID failed.
|
SRC_OID=`grep "^$DB pg_toast_${SAVE_SRC_OID}_idx " \
|
||||||
File not found; exiting" 1>&2
|
"$INFODIR"/dbobjoidmap | awk '{print $3}'`
|
||||||
exit 1
|
DST_OID=`grep "^$DB pg_toast_${SAVE_DST_OID}_idx " \
|
||||||
fi
|
/tmp/$$.dbobjoidmap | awk '{print $3}'`
|
||||||
if [ `ls data/base/*/"$NEWOID" | wc -l` -gt 1 ]
|
move_objfiles
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE to $NEWOID failed.
|
|
||||||
Too many found; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Move files
|
|
||||||
|
|
||||||
SRCDB=`basename \`dirname $OLDDIR"/base/*/"$OID"\``
|
|
||||||
DSTDB=`basename \'dirname data/base/*/"$NEWOID"\``
|
|
||||||
mv -f "$OLDIR"/base/"$SRCDB"/"$OID" data/base/"$DSTDB"/"$NEWOID"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
# handle table extents
|
|
||||||
ls "$OLDDIR"/base/"$SRCDB"/"$OID".* | while read FILE
|
|
||||||
do
|
|
||||||
EXT=`basename "$FILE" | sed 's/[^[^\.]*\.\(.*\)$/\1/'`
|
|
||||||
mv -f "$FILE" data/base/"$DSTDB"/"$NEWOID"."$EXT"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of database $DB, OID $OID, table $TABLE
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
|
|
||||||
# handle pg_largeobject
|
|
||||||
# We use the unique oid's to tell use where to move the
|
|
||||||
# pg_largeobject files.
|
|
||||||
|
|
||||||
if [ -f "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID" ]
|
|
||||||
then mv "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID" \
|
|
||||||
data/base/"$DSTDB"/"$DST_LARGEOBJECT_OID"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of large object for database $DB
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
# handle table extents
|
|
||||||
ls "$OLDDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID".* | while read FILE
|
|
||||||
do
|
|
||||||
EXT=`basename "$FILE" | sed 's/[^[^\.]*\.\(.*\)$/\1/'`
|
|
||||||
mv -f "$FILE" data/base/"$DSTDB"/"$DST_LARGEOBJECT_OID"."$EXT"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of large object for database $DB
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Handle pg_largeobject_loid_pn_index
|
|
||||||
if [ -f "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID" ]
|
|
||||||
then mv "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID" \
|
|
||||||
data/base/"$DSTDB"/"$DST_LARGEOBJECT_IDX_OID"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of large object for database $DB
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
# handle table extents
|
|
||||||
ls "$OLDDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID".* | while read FILE
|
|
||||||
do
|
|
||||||
EXT=`basename "$FILE" | sed 's/[^[^\.]*\.\(.*\)$/\1/'`
|
|
||||||
mv -f "$FILE" data/base/"$DSTDB"/"$DST_LARGEOBJECT_IDX_OID"."$EXT"
|
|
||||||
if [ "$?" -ne 0 ]
|
|
||||||
then echo "Move of large object for database $DB
|
|
||||||
to $NEWOID failed.; exiting" 1>&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
fi
|
|
||||||
TABLE=""
|
|
||||||
fi
|
fi
|
||||||
done
|
done
|
||||||
|
|
||||||
@ -358,6 +460,7 @@ done
|
|||||||
# Commit status already updated by vacuum above
|
# Commit status already updated by vacuum above
|
||||||
# Set to maximum XID just in case SRC wrapped around recently and
|
# Set to maximum XID just in case SRC wrapped around recently and
|
||||||
# is lower than DST's database
|
# is lower than DST's database
|
||||||
|
|
||||||
if [ "$SRC_XID" -gt "$DST_XID" ]
|
if [ "$SRC_XID" -gt "$DST_XID" ]
|
||||||
then MAX_XID="$SRC_XID"
|
then MAX_XID="$SRC_XID"
|
||||||
else MAX_XID="$DST_XID"
|
else MAX_XID="$DST_XID"
|
||||||
@ -374,20 +477,26 @@ fi
|
|||||||
rm -r data/pg_xlog
|
rm -r data/pg_xlog
|
||||||
mv -f "$OLDDIR"/pg_xlog data
|
mv -f "$OLDDIR"/pg_xlog data
|
||||||
|
|
||||||
# Set last checkpoint location from old database
|
# Set last log file id and segment from old database
|
||||||
|
|
||||||
CHKPOINT=`pg_resetxlog -n "$OLDDIR" | grep "checkpoint location:" |
|
LOG_ID=`pg_resetxlog -n "$OLDDIR" | grep "Current log file id:" |
|
||||||
awk -F' *' '{print $4}'`
|
awk -F' *' '{print $5}'`
|
||||||
if [ "$CHKPOINT" = "" ]
|
if [ "$LOG_ID" = "" ]
|
||||||
then echo "Unable to get old checkpoint location.; exiting" 1>&2
|
then echo "Unable to get old log file id.; exiting" 1>&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
SEG_ID=`pg_resetxlog -n "$OLDDIR" | grep "Next log file segment:" |
|
||||||
|
awk -F' *' '{print $5}'`
|
||||||
|
if [ "$SEG_ID" = "" ]
|
||||||
|
then echo "Unable to get old log segment id.; exiting" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# Set checkpoint location of new database
|
# Set checkpoint location of new database
|
||||||
|
|
||||||
pg_resetxlog -l `echo "$CHKPOINT" | tr '/' ' '` data
|
pg_resetxlog -l "$LOG_ID" "$SEG_ID" data
|
||||||
if [ "$?" -ne 0 ]
|
if [ "$?" -ne 0 ]
|
||||||
then echo "Unable to set new checkpoint location.; exiting" 1>&2
|
then echo "Unable to set new log file/segment id.; exiting" 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
@ -403,93 +512,14 @@ fi
|
|||||||
|
|
||||||
if [ "$SRC_VERSION" = "7.1" ]
|
if [ "$SRC_VERSION" = "7.1" ]
|
||||||
then echo "Set int8 sequence values from 7.1..."
|
then echo "Set int8 sequence values from 7.1..."
|
||||||
|
psql -d template1 -At < "$INFODIR"/setval
|
||||||
psql -d template1 -At -c "SELECT datname FROM pg_database" |
|
|
||||||
grep -v '^template0$' | # template1 OK
|
|
||||||
while read DB
|
|
||||||
do
|
|
||||||
echo "$DB"
|
|
||||||
# XXX is concurrency a problem here?
|
|
||||||
psql -d "$DB" -At -c "SELECT relname FROM pg_class where relkind = 'S';" |
|
|
||||||
grep -v '^pg_' | # no system tables
|
|
||||||
while read SEQUENCE
|
|
||||||
do
|
|
||||||
psql -d "$DB" -At <<SQL_END
|
|
||||||
|
|
||||||
-- This table matches the 7.1 sequence schema
|
|
||||||
CREATE TABLE pg_upgrade_temp_seq_int4 (
|
|
||||||
sequence_name name
|
|
||||||
last_value integer
|
|
||||||
increment_by integer
|
|
||||||
max_value integer
|
|
||||||
min_value integer
|
|
||||||
cache_value integer
|
|
||||||
log_cnt integer
|
|
||||||
is_cycled "char"
|
|
||||||
is_called "char"
|
|
||||||
);
|
|
||||||
|
|
||||||
-- Move int8 columns of sequence out of the way
|
|
||||||
UPDATE pg_attribute
|
|
||||||
SET attrelid = 1 -- OID of template1, not used anywhere else XXX correct?
|
|
||||||
WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '$SEQUENCE');
|
|
||||||
|
|
||||||
-- Replace with int4 sequence columns
|
|
||||||
UPDATE pg_attribute
|
|
||||||
SET attrelid =
|
|
||||||
(SELECT oid FROM pg_class WHERE relname = '$SEQUENCE')
|
|
||||||
WHERE attrelid =
|
|
||||||
(SELECT oid FROM pg_class WHERE relname = 'pg_upgrade_temp_seq_int4');
|
|
||||||
|
|
||||||
-- Mark sequence as ordinary table so we can do COPY
|
|
||||||
UPDATE pg_class
|
|
||||||
SET relkind = 't'
|
|
||||||
WHERE relname = '$SEQUENCE';
|
|
||||||
|
|
||||||
-- COPY sequence out
|
|
||||||
COPY "$SEQUENCE" TO '/tmp/$$';
|
|
||||||
|
|
||||||
-- Delete int4 row from sequence
|
|
||||||
-- XXX truncate ok?
|
|
||||||
TRUNCATE "$SEQUENCE";
|
|
||||||
|
|
||||||
-- Prepare int4 sequence table for removal and remove it
|
|
||||||
UPDATE pg_attribute
|
|
||||||
SET attrelid =
|
|
||||||
(SELECT oid FROM pg_class WHERE relname = 'pg_upgrade_temp_seq_int4')
|
|
||||||
WHERE attrelid =
|
|
||||||
(SELECT oid FROM pg_class WHERE relname = '$SEQUENCE');
|
|
||||||
|
|
||||||
DROP TABLE pg_upgrade_temp_seq_int4;
|
|
||||||
|
|
||||||
-- Restore int8 version of sequence
|
|
||||||
UPDATE pg_attribute
|
|
||||||
SET attrelid = (SELECT oid FROM pg_class WHERE relname = '$SEQUENCE')
|
|
||||||
WHERE attrelid = 1;
|
|
||||||
|
|
||||||
-- Load new values
|
|
||||||
COPY "$SEQUENCE" FROM '/tmp/$$';
|
|
||||||
|
|
||||||
-- If previous max was int4, make it int8
|
|
||||||
UPDATE "$SEQUENCE"
|
|
||||||
SET max_value = 9223372036854775807
|
|
||||||
WHERE max_value BETWEEN 2147483646 AND 2147483648; -- OS rounding
|
|
||||||
|
|
||||||
-- Restore sequence flag
|
|
||||||
UPDATE pg_class
|
|
||||||
SET relkind = 'S'
|
|
||||||
WHERE relname = '$SEQUENCE';
|
|
||||||
|
|
||||||
SQL_END
|
|
||||||
if [ $? -ne 0 ]
|
if [ $? -ne 0 ]
|
||||||
then echo "There were errors during int4 sequence restore.
|
then echo "There were errors during int4 sequence restore.
|
||||||
$0 aborted." 1>&2
|
$0 aborted." 1>&2
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
done
|
|
||||||
done
|
|
||||||
fi
|
fi
|
||||||
|
|
||||||
echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."
|
echo "You may remove the old database files with 'rm -r pg_upgrade'."
|
||||||
|
|
||||||
exit 0
|
exit 0
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user