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This commit is contained in:
Bruce Momjian
parent
5ab0ad5c7e
commit
3bb77555b1
@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.17 2002/01/11 06:08:02 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/pg_upgrade.sgml,v 1.18 2002/01/11 20:34:14 momjian Exp $
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PostgreSQL documentation
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-->
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@ -154,7 +154,8 @@ $ pg_upgrade -s schema.out data.old
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<note>
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<para>
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pg_upgrade does not migrate large objects.
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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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@ -5,14 +5,23 @@
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#set -x
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# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.28 2002/01/11 06:48:41 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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# 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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TMPFILE="/tmp/pgupgrade.$$"
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trap "rm -f $TMPFILE" 0 1 2 3 15
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trap "rm -f /tmp/$$.*" 0 1 2 3 15
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SCHEMA=""
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while [ "$#" -gt 1 ]
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@ -71,15 +80,13 @@ then echo "Cannot read ./$OLDDIR/PG_VERSION --- something is wrong." 1>&2
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fi
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# Get the actual versions seen in the data dirs.
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DEST_VERSION=`cat ./data/PG_VERSION`
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SRC_VERSION=`cat ./$OLDDIR/PG_VERSION`
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# Check for version compatibility.
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# This code will need to be updated/reviewed for each new PostgreSQL release.
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# UPGRADE_VERSION is the expected output database version
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UPGRADE_VERSION="7.1"
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if [ "$DEST_VERSION" != "$UPGRADE_VERSION" -a "$DEST_VERSION" != "$SRC_VERSION" ]
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then echo "`basename $0` is for PostgreSQL version $UPGRADE_VERSION, but ./data/PG_VERSION contains $DEST_VERSION." 1>&2
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echo "Did you run initdb for version $UPGRADE_VERSION?" 1>&2
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@ -92,13 +99,18 @@ fi
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# enough to compare dotted version strings properly. Using a case statement
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# looks uglier but is more flexible.
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case "$SRC_VERSION" in
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# 7.2) ;;
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*) echo "Sorry, `basename $0` cannot upgrade database version $SRC_VERSION to $DEST_VERSION." 1>&2
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echo "The on-disk structure of tables has changed." 1>&2
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echo "You will need to dump and restore using pg_dumpall." 1>&2
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exit 1;;
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esac
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if [ "$ENABLE" != "Y" ]
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then
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case "$SRC_VERSION" in
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# 7.2) ;;
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*) echo "Sorry, `basename $0` cannot upgrade database version $SRC_VERSION to $DEST_VERSION." 1>&2
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echo "The on-disk structure of tables has changed." 1>&2
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echo "You will need to dump and restore using pg_dumpall." 1>&2
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exit 1;;
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esac
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fi
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# check for proper pg_resetxlog version
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pg_resetxlog 2>/dev/null
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# file not found status is normally 127, not 1
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@ -117,13 +129,27 @@ fi
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# If the XID is > 2 billion, 7.1 database will have non-frozen XID's in
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# low numbers, and 7.2 will think they are in the future --- bad.
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XID=`pg_resetxlog -n "$OLDDIR" | grep "NextXID" | awk -F' *' '{print $4}'`
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SRC_XID=`pg_resetxlog -n "$OLDDIR" | grep "NextXID" | awk -F' *' '{print $4}'`
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if [ "$SRC_VERSION" = "7.1" -a "$XID" -gt 2000000000 ]
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then echo "XID too high for $0.; exiting" 1>&2
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exit 1
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fi
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DST_XID=`pg_resetxlog -n data | grep "NextXID" | awk -F' *' '{print $4}'`
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# compare locales to make sure they match
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pg_resetxlog -n "$OLDDIR" | grep "^LC_" > /tmp/$$.0
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pg_resetxlog -n data | grep "^LC_" > /tmp/$$.1
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if ! diff /tmp/$$.0 /tmp/$$.1 >/dev/null
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then echo "Locales do not match between the two versions.; exiting" 1>&2
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exit 1
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fi
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###################################
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# Checking done. Ready to proceed.
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###################################
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# Execute the schema script to create everything
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@ -149,12 +175,27 @@ fi
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# Used for scans looking for a database/table name match
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# New oid is looked up
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pg_dumpall -s > $TMPFILE 2>/dev/null
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pg_dumpall -s > /tmp/$$.3 2>/dev/null
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if [ "$?" -ne 0 ]
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then echo "Unable to dump schema of new database.; exiting" 1>&2
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exit 1
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fi
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# Get pg_largeobject oids for movement
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DST_LARGEOBJECT_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject';"`
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DST_LARGEOBJECT_IDX_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject_loid_pn_index';"`
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if [ "$LARGEOBJECT_OID" -eq 0 -o "$LARGEOBJECT_IDX_OID" -eq 0 ]
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then echo "Unable to find large object oid.; exiting" 1>&2
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exit 1
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fi
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if [ "$SRC_VERSION" = "$DST_VERSION" ]
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then # Versions are the same so we can get pg_largeobject oid this way
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SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_OID"
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SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_IDX_OID"
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fi
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# we are done with SQL database access
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# shutdown forces buffers to disk
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@ -166,6 +207,8 @@ fi
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echo "Commit fixes complete, moving data files..."
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# Move table/index/sequence files
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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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@ -205,13 +248,17 @@ do
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newdb == "'"$DB"'" && \
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$3 == "'"$TABLE"'" \
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{ ret=newoid; exit}
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END { print ret;}' $TMPFILE`
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END { print ret;}' /tmp/$$.3`
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if [ "$NEWOID" -eq 0 ]
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then echo "Move of database $DB, OID $OID, table $TABLE failed.
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New oid not found; exiting" 1>&2
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exit 1
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fi
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# We use stars so we don't have to worry about database oids
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# Test to make sure there is exactly one matching file on each place
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if [ `ls "$OLDDIR"/base/*/"$OID" | wc -l` -eq 0 ]
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then echo "Move of database $DB, OID $OID, table $TABLE failed.
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File not found; exiting" 1>&2
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@ -232,26 +279,101 @@ File not found; exiting" 1>&2
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Too many found; exiting" 1>&2
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exit 1
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fi
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mv -f "$OLDDIR"/base/*/"$OID" data/base/*/"$NEWOID"
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# Move files
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SRCDB=`basename \`dirname $OLDDIR"/base/*/"$OID"\``
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DSTDB=`basename \'dirname data/base/*/"$NEWOID"\``
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mv -f "$OLDIR"/base/"$SRCDB"/"$OID" data/base/"$DSTDB"/"$NEWOID"
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if [ "$?" -ne 0 ]
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then echo "Move of database $DB, OID $OID, table $TABLE
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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# handle table extents
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ls "$OLDDIR"/base/"$SRCDB"/"$OID".* | 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/"$DSTDB"/"$NEWOID"."$EXT"
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if [ "$?" -ne 0 ]
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then echo "Move of database $DB, OID $OID, table $TABLE
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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done
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# handle pg_largeobject
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# We use the unique oid's to tell use where to move the
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# pg_largeobject files.
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if [ -f "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID" ]
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then mv "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID" \
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data/base/"$DSTDB"/"$DST_LARGEOBJECT_OID"
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if [ "$?" -ne 0 ]
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then echo "Move of large object for database $DB
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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# handle table extents
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ls "$OLDDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_OID".* | 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/"$DSTDB"/"$DST_LARGEOBJECT_OID"."$EXT"
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if [ "$?" -ne 0 ]
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then echo "Move of large object for database $DB
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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done
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fi
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# Handle pg_largeobject_loid_pn_index
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if [ -f "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID" ]
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then mv "$OLDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID" \
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data/base/"$DSTDB"/"$DST_LARGEOBJECT_IDX_OID"
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if [ "$?" -ne 0 ]
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then echo "Move of large object for database $DB
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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# handle table extents
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ls "$OLDDIR"/base/"$SRCDB"/"$SRC_LARGEOBJECT_IDX_OID".* | 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/"$DSTDB"/"$DST_LARGEOBJECT_IDX_OID"."$EXT"
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if [ "$?" -ne 0 ]
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then echo "Move of large object for database $DB
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to $NEWOID failed.; exiting" 1>&2
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exit 1
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fi
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done
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fi
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TABLE=""
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fi
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done
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# Set this so the next VACUUM sets the old row XID's as "frozen"
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# Set this so future backends don't think these tuples are their own
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# because it matches their own XID.
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# Commit status already updated by vacuum above
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# Set to maximum XID just in case SRC wrapped around recently and
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# is lower than DST's database
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if [ "$SRC_XID" -gt "$DST_XID" ]
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then MAX_XID="$SRC_XID"
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else MAX_XID="$DST_XID"
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fi
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pg_resetxlog -x "$XID" data
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pg_resetxlog -x "$MAX_XID" data
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if [ "$?" -ne 0 ]
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then echo "Unable to set new XID.; exiting" 1>&2
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exit 1
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fi
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# Move over old WAL
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rm -r data/pg_xlog
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mv -f "$OLDDIR"/pg_xlog data
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# Set last checkpoint location from old database
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CHKPOINT=`pg_resetxlog -n "$OLDDIR" | grep "checkpoint location:" |
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@ -283,8 +405,7 @@ if [ "$SRC_VERSION" = "7.1" ]
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then echo "Set int8 sequence values from 7.1..."
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psql -d template1 -At -c "SELECT datname FROM pg_database" |
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grep -v '^template0$' | # no system databases
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grep -v '^template1$' | # no system databases
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grep -v '^template0$' | # template1 OK
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while read DB
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do
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echo "$DB"
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