Update with new features. Still disabled.

doc/src/sgml/ref/pg_upgrade.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.13 2001/12/08 03:24:38 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.14 2002/01/09 21:50:51 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -24,7 +24,7 @@ PostgreSQL documentation
    <date>1999-07-31</date>
   </refsynopsisdivinfo>
   <synopsis>
-pg_upgrade [ -f <replaceable class="parameter">filename</replaceable> ] <replaceable class="parameter">old_data_dir</replaceable>
+pg_upgrade -s <replaceable class="parameter">filename</replaceable> [ -d <replaceable class="parameter">filename</replaceable> ] <replaceable class="parameter">old_data_dir</replaceable>
   </synopsis>
  </refsynopsisdiv>
 
@@ -58,7 +58,7 @@ pg_upgrade [ -f <replaceable class="parameter">filename</replaceable> ] <replace
     <para>
      Then do:
      <programlisting>
-$ pg_dumpall -s >db.out
+$ pg_dumpall -s > schema.out
      </programlisting>
      to dump out your old database's table definitions without any data.
     </para>
@@ -108,7 +108,7 @@ $ make install
      Change your working directory to the 
      pgsql main directory, and type:
      <programlisting>
-$ pg_upgrade -f db.out data.old
+$ pg_upgrade -s schema.out -d data.out data.old
      </programlisting>
      The program will do some checking to make sure everything is properly
      configured, and will run your db.out script to recreate all the databases

src/bin/pg_dump/pg_upgrade

@@ -3,7 +3,7 @@
 # pg_upgrade: update a database without needing a full dump/reload cycle.
 # CAUTION: read the manual page before trying to use this!
 
-# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.19 2002/01/09 16:08:54 momjian Exp $
+# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.20 2002/01/09 21:50:52 momjian Exp $
 #
 # NOTE: we must be sure to update the version-checking code a few dozen lines
 # below for each new PostgreSQL release.
@@ -12,24 +12,31 @@ TMPFILE="/tmp/pgupgrade.$$"
 
 trap "rm -f $TMPFILE" 0 1 2 3 15
 
-if [ "$#" -eq 0 ]
-then	echo "Usage:  $0 -f inputfile old_data_dir" 1>&2
-	exit 1
-fi
-
-if [ "X$1" = "X-f" ]
-then	INPUT="$2"
-	shift 2
-	if [ ! -f "$INPUT" ]
-	then	echo "$INPUT does not exist" 1>&2
+SCHEMA=""
+DATA=""
+while [ "$#" -gt 1 ]
+do
+	if [ "X$1" = "X-s" ]
+	then	SCHEMA="$2"
+		if [ ! -s "$SCHEMA" ]
+		then	echo "$SCHEMA does not exist" 1>&2
+			exit 1
+		fi
+		shift 2
+	elif [ "X$1" = "X-d" ]
+	then	DATA="$2"
+		if [ ! -s "$DATA" ]
+		then	echo "$DATA does not exist" 1>&2
+			exit 1
+		fi
+		shift 2
+	else	echo "Usage:  $0 -s schema_dump [ -d data_dump ] old_data_dir" 1>&2
 		exit 1
 	fi
-else	echo "Usage:  $0 -f inputfile old_data_dir" 1>&2
-	exit 1
-fi
+done
 
-if [ "$#" -ne 1 ]
-then	echo "Usage:  $0 -f inputfile old_data_dir" 1>&2
+if [ "$#" -ne 1 -o ! "$SCHEMA" ]
+then	echo "Usage:  $0 -s schema_dump [ -d data_dump ] old_data_dir" 1>&2
 	exit 1
 fi
 
@@ -38,8 +45,7 @@ OLDDIR="$1"
 # check things
 
 if [ ! -d "./data" ]
-then	echo "`basename $0` must be run from the directory containing
-the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
+then	echo "`basename $0` must be run from the directory containing the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
 	echo "You must have run initdb to create the template1 database." 1>&2
 	exit 1
 fi
@@ -80,6 +86,12 @@ SRCVERSION=`cat ./$OLDDIR/PG_VERSION`
 # MYVERSION is the expected output database version
 MYVERSION="7.1"
 
+if [ "$SRCVERSION" = "7.1" -a ! "$DATA" ]
+then	echo "$0 requires a full data dump file to upgrade from version $SRCVERSION." 1>&2
+	echo "Use the '-d' parameter to specify the dump file" 1>&2
+	exit 1
+fi
+
 if [ "$DESTVERSION" != "$MYVERSION" -a "$DESTVERSION" != "$SRCVERSION" ]
 then	echo "$0 is for PostgreSQL version $MYVERSION, but ./data/PG_VERSION contains $DESTVERSION." 1>&2
 	echo "Did you run initdb for version $MYVERSION?" 1>&2
@@ -103,56 +115,65 @@ esac
 
 # OK, ready to proceed.
 
-# Execute the input script to create everything, except that we remove
-# any COPY statements, except for the ones that load pg_shadow/pg_group.
-# There shouldn't be any others in there anyway...
-
-cat $INPUT | awk '	{
-				if (tolower($1) == "copy" &&
-				    $2 != "pg_shadow" &&
-				    $2 != "pg_group")
-					while (getline $0 > 0 && $0 != "\\.")
-						;
+# Execute the schema script to create everything, except modify any
+# sequences with int4 maximums if we are upgrading from 7.1.
+cat $SCHEMA | awk -F' ' '{
+				if ("'"$SRCVERSION"'" == "7.1" &&
+				    $1 == "CREATE" &&
+				    $2 == "SEQUENCE" &&
+				    ($9 >= 2147483646 && # handle OS round
+				    ($9 <= 2147483648))
+				{
+					for(i=1; i < NF; i++)
+						if (i != 9)
+							printf "%s ", $i;
+						else
+							printf "%s ", "9223372036854775807";
+					print;
+				}
 				else	print $0;
-			}' > $TMPFILE
-
-psql "template1" < $TMPFILE
+			}' |
+psql "template1"
 
 if [ $? -ne 0 ]
-then	echo "There were errors in the input script $INPUT.
+then	echo "There were errors in the input script $SCHEMA.
 $0 aborted." 1>&2
 	exit 1
 fi
 
-echo "Input script $INPUT complete, fixing row commit statuses..."
-
-# Now vacuum each result database to mark all system-table rows as committed,
-# because when pg_clog is replaced with the saved version, the transaction
-# statuses will no longer match the data.  VACUUM will force the on-row
-# status flags to the right value so that pg_clog will not matter anymore.
-# Note: we used to try to do this as part of the previous step, but that
-# risks permissions problems if VACUUM is run as the wrong user.
-# Note: the initial VACUUM does template1, then we do everything else.
-
-cat $INPUT | awk 'BEGIN	{ print "VACUUM;" }
-			{
-				if (tolower($1) == "copy")
-					while (getline $0 > 0 && $0 != "\\.")
-						;
-				else if (tolower($1) == "\\connect" && 
-					 $2 != "-" &&
-					 $2 != "template1")
-					printf "\\connect %s\nVACUUM;\n", $2;
-			}' > $TMPFILE
-
-psql "template1" < $TMPFILE
+
+if [ "$SRCVERSION" != "7.1" ]
+then	echo "Input script $SCHEMA complete, fixing row commit statuses..."
+else	echo "Input script $SCHEMA complete, setting int8 sequences..."
+
+# Set all the sequence counters because they are not brought over
+# in the schema dump, and the old 7.1 sequences where int4 in size
+# so bringing over the file wouldn't help us anyway.
+cat $DATA | awk '$0 == "\\connect " || "SELECT setval (" \
+			{print $0;}' |
+psql "template1"
 
 if [ $? -ne 0 ]
-then	echo "There were errors in the vacuuming step.
+then	echo "There were errors in the input script $SCHEMA.
 $0 aborted." 1>&2
 	exit 1
 fi
 
+echo "Int8 sequences set, fixing row commit statuses..."
+fi
+
+# Now vacuum each result database in case our transaction increase
+# causes all the XID's to be marked with the frozen XID.
+psql -l | while read DB
+do
+	echo "VACUUM;" | psql "$DB"
+	if [ $? -ne 0 ]
+	then	echo "There were errors during VACUUM.
+$0 aborted." 1>&2
+		exit 1
+	fi
+done
+
 # should be pretty small file
 pg_dumpall -s > $TMPFILE 2>/dev/null
 
@@ -161,7 +182,7 @@ pg_ctl stop
 
 echo "Commit fixes complete, moving data files..."
 
-cat "$INPUT" | while read LINE
+cat "$SCHEMA" | while read LINE
 do
 	if /bin/echo "$LINE" | grep -q "^\\\\connect "
 	then	OLDDB="$DB"
@@ -176,7 +197,7 @@ do
 	if echo "$LINE" | grep -q "^-- TOC Entry ID [0-9]* (OID "
 	then	OID="`echo \"$LINE\" | cut -d' ' -f7 | tr -d ')'`"
 	fi
-	if echo "$LINE" | grep -q "^-- Name: [^ ]* Type: TABLE "
+	if echo "$LINE" | egrep -q "^-- Name: [^ ]* Type: (TABLE|INDEX) "
 	then	TABLE="`echo \"$LINE\" | cut -d' ' -f3`"
 		# skip system tables
 		if [ "`echo \"$TABLE\" | cut -c 1-3`" = "pg_" ]
@@ -194,7 +215,8 @@ do
 				{print $0 >> "/tmp/x";
 				print $3 >> "/tmp/x";
 				print newdb," ", newoid >> "/tmp/x"}
-				$0 ~ /^-- Name: [^ ]* Type: TABLE / && \
+				($0 ~ /^-- Name: [^ ]* Type: TABLE / && \
+				 $0 ~ /^-- Name: [^ ]* Type: INDEX /) && \
 				newdb == "'"$DB"'" && \
 				$3 == "'"$TABLE"'" \
 					{ ret=newoid; exit}
@@ -229,6 +251,18 @@ do
 	fi
 done
 
+# set max transaction id, check < 2gig
+
+# 7.1 has non-compressed log file format
+if [ "$SRCVERSION" = "7.1" ]
+# pg_log is oid 1269 in 7.1
+LOGSIZE=`ls -l "$OLDDIR"/global/1269 "$OLDDIR"/global/1269.* 2>/dev/null |
+awk -F'  *' '
+	BEGIN 	{sum=0;}
+		{sum += $5;}
+	END	{print sum;}'`
+fi
+
 echo "You must stop/start the postmaster before doing anything else."
 echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."