Update with new features. Still disabled.
This commit is contained in:
Bruce Momjian
parent
9facc585ad
commit
5461983d08
@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.13 2001/12/08 03:24:38 thomas Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.14 2002/01/09 21:50:51 momjian Exp $
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PostgreSQL documentation
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-->
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@ -24,7 +24,7 @@ PostgreSQL documentation
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<date>1999-07-31</date>
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</refsynopsisdivinfo>
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<synopsis>
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pg_upgrade [ -f <replaceable class="parameter">filename</replaceable> ] <replaceable class="parameter">old_data_dir</replaceable>
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pg_upgrade -s <replaceable class="parameter">filename</replaceable> [ -d <replaceable class="parameter">filename</replaceable> ] <replaceable class="parameter">old_data_dir</replaceable>
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</synopsis>
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</refsynopsisdiv>
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@ -58,7 +58,7 @@ pg_upgrade [ -f <replaceable class="parameter">filename</replaceable> ] <replace
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<para>
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Then do:
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<programlisting>
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$ pg_dumpall -s >db.out
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$ pg_dumpall -s > schema.out
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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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</para>
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@ -108,7 +108,7 @@ $ make install
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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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$ pg_upgrade -f db.out data.old
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$ pg_upgrade -s schema.out -d data.out data.old
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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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configured, and will run your db.out script to recreate all the databases
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@ -3,7 +3,7 @@
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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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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.19 2002/01/09 16:08:54 momjian Exp $
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.20 2002/01/09 21:50:52 momjian Exp $
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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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# below for each new PostgreSQL release.
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@ -12,24 +12,31 @@ TMPFILE="/tmp/pgupgrade.$$"
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trap "rm -f $TMPFILE" 0 1 2 3 15
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if [ "$#" -eq 0 ]
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then echo "Usage: $0 -f inputfile old_data_dir" 1>&2
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exit 1
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fi
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if [ "X$1" = "X-f" ]
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then INPUT="$2"
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shift 2
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if [ ! -f "$INPUT" ]
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then echo "$INPUT does not exist" 1>&2
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SCHEMA=""
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DATA=""
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while [ "$#" -gt 1 ]
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do
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if [ "X$1" = "X-s" ]
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then SCHEMA="$2"
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if [ ! -s "$SCHEMA" ]
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then echo "$SCHEMA does not exist" 1>&2
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exit 1
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fi
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shift 2
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elif [ "X$1" = "X-d" ]
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then DATA="$2"
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if [ ! -s "$DATA" ]
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then echo "$DATA does not exist" 1>&2
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exit 1
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fi
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shift 2
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else echo "Usage: $0 -s schema_dump [ -d data_dump ] old_data_dir" 1>&2
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exit 1
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fi
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else echo "Usage: $0 -f inputfile old_data_dir" 1>&2
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exit 1
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fi
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done
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if [ "$#" -ne 1 ]
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then echo "Usage: $0 -f inputfile old_data_dir" 1>&2
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if [ "$#" -ne 1 -o ! "$SCHEMA" ]
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then echo "Usage: $0 -s schema_dump [ -d data_dump ] old_data_dir" 1>&2
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exit 1
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fi
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@ -38,8 +45,7 @@ OLDDIR="$1"
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# check things
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if [ ! -d "./data" ]
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then echo "`basename $0` must be run from the directory containing
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the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
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then echo "`basename $0` must be run from the directory containing the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
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echo "You must have run initdb to create the template1 database." 1>&2
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exit 1
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fi
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@ -80,6 +86,12 @@ SRCVERSION=`cat ./$OLDDIR/PG_VERSION`
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# MYVERSION is the expected output database version
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MYVERSION="7.1"
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if [ "$SRCVERSION" = "7.1" -a ! "$DATA" ]
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then echo "$0 requires a full data dump file to upgrade from version $SRCVERSION." 1>&2
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echo "Use the '-d' parameter to specify the dump file" 1>&2
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exit 1
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fi
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if [ "$DESTVERSION" != "$MYVERSION" -a "$DESTVERSION" != "$SRCVERSION" ]
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then echo "$0 is for PostgreSQL version $MYVERSION, but ./data/PG_VERSION contains $DESTVERSION." 1>&2
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echo "Did you run initdb for version $MYVERSION?" 1>&2
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@ -103,56 +115,65 @@ esac
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# OK, ready to proceed.
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# Execute the input script to create everything, except that we remove
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# any COPY statements, except for the ones that load pg_shadow/pg_group.
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# There shouldn't be any others in there anyway...
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cat $INPUT | awk ' {
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if (tolower($1) == "copy" &&
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$2 != "pg_shadow" &&
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$2 != "pg_group")
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while (getline $0 > 0 && $0 != "\\.")
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;
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# Execute the schema script to create everything, except modify any
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# sequences with int4 maximums if we are upgrading from 7.1.
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cat $SCHEMA | awk -F' ' '{
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if ("'"$SRCVERSION"'" == "7.1" &&
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$1 == "CREATE" &&
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$2 == "SEQUENCE" &&
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($9 >= 2147483646 && # handle OS round
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($9 <= 2147483648))
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{
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for(i=1; i < NF; i++)
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if (i != 9)
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printf "%s ", $i;
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else
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printf "%s ", "9223372036854775807";
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print;
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}
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else print $0;
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}' > $TMPFILE
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psql "template1" < $TMPFILE
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}' |
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psql "template1"
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if [ $? -ne 0 ]
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then echo "There were errors in the input script $INPUT.
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then echo "There were errors in the input script $SCHEMA.
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$0 aborted." 1>&2
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exit 1
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fi
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echo "Input script $INPUT complete, fixing row commit statuses..."
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# Now vacuum each result database to mark all system-table rows as committed,
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# because when pg_clog is replaced with the saved version, the transaction
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# statuses will no longer match the data. VACUUM will force the on-row
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# status flags to the right value so that pg_clog will not matter anymore.
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# Note: we used to try to do this as part of the previous step, but that
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# risks permissions problems if VACUUM is run as the wrong user.
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# Note: the initial VACUUM does template1, then we do everything else.
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if [ "$SRCVERSION" != "7.1" ]
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then echo "Input script $SCHEMA complete, fixing row commit statuses..."
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else echo "Input script $SCHEMA complete, setting int8 sequences..."
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cat $INPUT | awk 'BEGIN { print "VACUUM;" }
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{
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if (tolower($1) == "copy")
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while (getline $0 > 0 && $0 != "\\.")
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;
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else if (tolower($1) == "\\connect" &&
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$2 != "-" &&
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$2 != "template1")
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printf "\\connect %s\nVACUUM;\n", $2;
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}' > $TMPFILE
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psql "template1" < $TMPFILE
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# Set all the sequence counters because they are not brought over
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# in the schema dump, and the old 7.1 sequences where int4 in size
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# so bringing over the file wouldn't help us anyway.
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cat $DATA | awk '$0 == "\\connect " || "SELECT setval (" \
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{print $0;}' |
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psql "template1"
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if [ $? -ne 0 ]
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then echo "There were errors in the vacuuming step.
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then echo "There were errors in the input script $SCHEMA.
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$0 aborted." 1>&2
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exit 1
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fi
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echo "Int8 sequences set, fixing row commit statuses..."
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fi
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# Now vacuum each result database in case our transaction increase
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# causes all the XID's to be marked with the frozen XID.
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psql -l | while read DB
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do
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echo "VACUUM;" | psql "$DB"
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if [ $? -ne 0 ]
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then echo "There were errors during VACUUM.
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$0 aborted." 1>&2
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exit 1
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fi
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done
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# should be pretty small file
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pg_dumpall -s > $TMPFILE 2>/dev/null
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@ -161,7 +182,7 @@ pg_ctl stop
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echo "Commit fixes complete, moving data files..."
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cat "$INPUT" | while read LINE
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cat "$SCHEMA" | while read LINE
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do
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if /bin/echo "$LINE" | grep -q "^\\\\connect "
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then OLDDB="$DB"
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@ -176,7 +197,7 @@ do
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if echo "$LINE" | grep -q "^-- TOC Entry ID [0-9]* (OID "
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then OID="`echo \"$LINE\" | cut -d' ' -f7 | tr -d ')'`"
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fi
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if echo "$LINE" | grep -q "^-- Name: [^ ]* Type: TABLE "
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if echo "$LINE" | egrep -q "^-- Name: [^ ]* Type: (TABLE|INDEX) "
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then TABLE="`echo \"$LINE\" | cut -d' ' -f3`"
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# skip system tables
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if [ "`echo \"$TABLE\" | cut -c 1-3`" = "pg_" ]
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@ -194,7 +215,8 @@ do
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{print $0 >> "/tmp/x";
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print $3 >> "/tmp/x";
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print newdb," ", newoid >> "/tmp/x"}
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$0 ~ /^-- Name: [^ ]* Type: TABLE / && \
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($0 ~ /^-- Name: [^ ]* Type: TABLE / && \
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$0 ~ /^-- Name: [^ ]* Type: INDEX /) && \
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newdb == "'"$DB"'" && \
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$3 == "'"$TABLE"'" \
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{ ret=newoid; exit}
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@ -229,6 +251,18 @@ do
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fi
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done
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# set max transaction id, check < 2gig
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# 7.1 has non-compressed log file format
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if [ "$SRCVERSION" = "7.1" ]
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# pg_log is oid 1269 in 7.1
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LOGSIZE=`ls -l "$OLDDIR"/global/1269 "$OLDDIR"/global/1269.* 2>/dev/null |
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awk -F' *' '
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BEGIN {sum=0;}
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{sum += $5;}
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END {print sum;}'`
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fi
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echo "You must stop/start the postmaster before doing anything else."
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echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."
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