mirror of
https://github.com/postgres/postgres.git
synced 2025-07-28 23:42:10 +03:00
Wow, it actually worked for the regression database. More testing needed.
This commit is contained in:
Bruce Momjian
@ -3,111 +3,327 @@
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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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#set -x
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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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# $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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#
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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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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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SCHEMA=""
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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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else echo "Usage: $0 -s schema_dump old_data_dir" 1>&2
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exit 1
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PHASE=""
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if [ "$#" -eq 1 ]
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then
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if [ "X$1" = "X-1" ]
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then PHASE="1"
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shift
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elif [ "X$1" = "X-2" ]
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then PHASE="2"
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shift
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fi
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done
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fi
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if [ "$#" -ne 1 -o ! "$SCHEMA" ]
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then echo "Usage: $0 -s schema_dump old_data_dir" 1>&2
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if [ "$PHASE" = "" ]
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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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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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# 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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# 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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"$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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$0 aborted." 1>&2
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exit 1
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fi
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# Check that input database is of a compatible version (anything with the same
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# physical layout of user tables and indexes should be OK). I did not write
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# something like "$SRC_VERSION -ge $UPGRADE_VERSION" because test(1) isn't bright
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# enough to compare dotted version strings properly. Using a case statement
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# looks uglier but is more flexible.
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if [ "$ENABLE" != "Y" ]
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then
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echo "Sorry, $0 cannot upgrade database
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version $SRC_VERSION to $DST_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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fi
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# Start server, if needed, so we can do some work.
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if ! pg_ctl status | head -1 | grep -q "is running"
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then pg_ctl -w start
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if [ $? -ne 0 ]
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then echo "Can not start server.
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$0 aborted." 1>&2
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exit 1
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fi
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fi
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# create directory for our data
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rm -rf "$INFODIR"
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mkdir "$INFODIR"
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chmod og-rwx "$INFODIR"
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# Dump schema
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pg_dumpall -s |
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awk -F' *' '
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{
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# Modify sequences with int8 maximums if we are upgrading from 7.1.
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if ("'"$SRC_VERSION"'" == "7.1" &&
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$1 == "CREATE" &&
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$2 == "SEQUENCE" &&
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# handle OS rounding
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$9 >= 2147483646 &&
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$9 <= 2147483648)
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{
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for(i=1; i < NF; i++)
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{
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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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}
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print;
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}
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else print $0;
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}' > "$INFODIR"/schema
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if [ $? -ne 0 ]
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then echo "Can not dump schema.
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$0 aborted." 1>&2
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exit 1
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fi
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# Generate mappings for database
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make_dboidmap > "$INFODIR"/dboidmap
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make_dbobjoidmap > "$INFODIR"/dbobjoidmap
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# Generate setval() script for 7.1 because it has int4 sequences
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if [ "$SRC_VERSION" = "7.1" ]
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then
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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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echo "\\connect $DB"
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psql -d "$DB" -At -c "
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SELECT relname
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FROM pg_class
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WHERE relkind = 'S';" |
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while read SEQUENCE
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do
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VALUE=`psql -d template1 -At -c "SELECT last_value
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FROM \"$SEQUENCE\";"`
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echo "SELECT setval ('$SEQUENCE', $VALUE, true);"
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done
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done > "$INFODIR"/setval
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else rm -f "$INFODIR"/setval
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fi
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# Vacuum all databases to remove exipired rows.
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# We will lose our transaction log file during the upgrade so we
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# have to do this.
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vacuumdb -a
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if [ $? -ne 0 ]
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then echo "Can not vacuum server.
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$0 aborted." 1>&2
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||||
exit 1
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||||
fi
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||||
# Stop server so we can move the directory.
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pg_ctl -w stop
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if [ $? -ne 0 ]
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||||
then echo "Can not stop server.
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||||
$0 aborted." 1>&2
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||||
exit 1
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||||
fi
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||||
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mv data "$INFODIR"
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||||
if [ $? -ne 0 ]
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||||
then echo "Can not move old /data out of the way.
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||||
$0 aborted." 1>&2
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||||
exit 1
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||||
fi
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||||
echo "Plase 1 completed. Continue with the steps outlined in the $0 manual page."
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||||
exit 0
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||||
fi
|
||||
|
||||
|
||||
##########################
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||||
# Phase 2 starts here #
|
||||
##########################
|
||||
|
||||
# check things
|
||||
|
||||
if [ ! -d "./data" ]
|
||||
then echo "`basename $0` must be run from the directory containing the database directory \`data\' (`dirname $PGDATA`.)" 1>&2
|
||||
echo "You must have run initdb to create the template1 database." 1>&2
|
||||
if [ ! -d "$INFODIR" ]
|
||||
then echo "There is no '$INFODIR' directory from a phase 1 run of $0." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -e "$OLDDIR" ]
|
||||
then echo "There is no '$OLDDIR' directory from the phase 1 run of $0." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -f "$OLDDIR/PG_VERSION" ]
|
||||
then echo "Cannot read '$OLDDIR/PG_VERSION' --- something is wrong." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -d "./$OLDDIR" ]
|
||||
then echo "You must rename your old data directory to $OLDDIR and run initdb." 1>&2
|
||||
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
|
||||
if [ ! -d "data/base/1" ]
|
||||
then echo "Cannot find database template1 in 'data/base'." 1>&2
|
||||
echo "Are you running $0 as the postgres superuser?" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ ! -d "./$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 ./$OLDDIR/PG_VERSION --- something is wrong." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Get the actual versions seen in the data dirs.
|
||||
|
||||
DEST_VERSION=`cat ./data/PG_VERSION`
|
||||
SRC_VERSION=`cat ./$OLDDIR/PG_VERSION`
|
||||
SRC_VERSION=`cat "$OLDDIR"/PG_VERSION`
|
||||
DST_VERSION=`cat data/PG_VERSION`
|
||||
|
||||
# Check for version compatibility.
|
||||
# This code will need to be updated/reviewed for each new PostgreSQL release.
|
||||
|
||||
if [ "$DEST_VERSION" != "$UPGRADE_VERSION" -a "$DEST_VERSION" != "$SRC_VERSION" ]
|
||||
then echo "`basename $0` is for PostgreSQL version $UPGRADE_VERSION, but ./data/PG_VERSION contains $DEST_VERSION." 1>&2
|
||||
echo "Did you run initdb for version $UPGRADE_VERSION?" 1>&2
|
||||
if [ "$DST_VERSION" != "$CUR_VERSION" ]
|
||||
then echo "$0 is for PostgreSQL version $CUR_VERSION
|
||||
but data/PG_VERSION contains $DST_VERSION." 1>&2
|
||||
echo "Did you run initdb for version $UPGRADE_VERSION by mistake?" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Check that input database is of a compatible version (anything with the same
|
||||
# physical layout of user tables and indexes should be OK). I did not write
|
||||
# something like "$SRC_VERSION -ge $UPGRADE_VERSION" because test(1) isn't bright
|
||||
# enough to compare dotted version strings properly. Using a case statement
|
||||
# looks uglier but is more flexible.
|
||||
# Stop server for pg_resetxlog use
|
||||
|
||||
if [ "$ENABLE" != "Y" ]
|
||||
then
|
||||
case "$SRC_VERSION" in
|
||||
# 7.2) ;;
|
||||
*) echo "Sorry, `basename $0` cannot upgrade database version $SRC_VERSION to $DEST_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;;
|
||||
esac
|
||||
if pg_ctl status | head -1 | grep -q "is running"
|
||||
then pg_ctl -w stop
|
||||
if [ $? -ne 0 ]
|
||||
then echo "Can no start server.
|
||||
$0 aborted." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
|
||||
# check for proper pg_resetxlog version
|
||||
@ -120,7 +336,7 @@ Install it from pgsql/contrib/pg_resetxlog and continue.; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if ! pg_resetxlog -x 2>&1 | grep -q XID
|
||||
if ! pg_resetxlog -x 2>&1 | grep -q 'xid'
|
||||
then echo "Old version of pg_resetxlog found in path.
|
||||
Install a newer version from pgsql/contrib/pg_resetxlog.; exiting" 1>&2
|
||||
exit 1
|
||||
@ -130,7 +346,7 @@ fi
|
||||
# low numbers, and 7.2 will think they are in the future --- bad.
|
||||
|
||||
SRC_XID=`pg_resetxlog -n "$OLDDIR" | grep "NextXID" | awk -F' *' '{print $4}'`
|
||||
if [ "$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
|
||||
exit 1
|
||||
fi
|
||||
@ -145,6 +361,15 @@ then echo "Locales do not match between the two versions.; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Restart postmaster
|
||||
|
||||
pg_ctl -w start
|
||||
if [ $? -ne 0 ]
|
||||
then echo "Can not start server.
|
||||
$0 aborted." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
###################################
|
||||
# Checking done. Ready to proceed.
|
||||
@ -153,14 +378,14 @@ fi
|
||||
|
||||
# Execute the schema script to create everything
|
||||
|
||||
psql "template1" < "$SCHEMA"
|
||||
psql template1 < "$INFODIR"/schema
|
||||
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
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Input script $SCHEMA complete, fixing row commit statuses..."
|
||||
echo "Input script complete, fixing row commit statuses..."
|
||||
|
||||
# XXX do we still need this?
|
||||
# Now vacuum each result database because our movement of transaction log
|
||||
@ -173,28 +398,9 @@ $0 aborted." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Used for scans looking for a database/table name match
|
||||
# New oid is looked up
|
||||
pg_dumpall -s > /tmp/$$.3 2>/dev/null
|
||||
if [ "$?" -ne 0 ]
|
||||
then echo "Unable to dump schema of new database.; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Get pg_largeobject oids for movement
|
||||
|
||||
DST_LARGEOBJECT_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject';"`
|
||||
DST_LARGEOBJECT_IDX_OID=`psql -d template1 -At -c "SELECT oid from pg_class where relname = 'pg_largeobject_loid_pn_index';"`
|
||||
if [ "$LARGEOBJECT_OID" -eq 0 -o "$LARGEOBJECT_IDX_OID" -eq 0 ]
|
||||
then echo "Unable to find large object oid.; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ "$SRC_VERSION" = "$DST_VERSION" ]
|
||||
then # Versions are the same so we can get pg_largeobject oid this way
|
||||
SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_OID"
|
||||
SRC_LARGEOBJECT_IDX_OID="$DST_LARGEOBJECT_IDX_OID"
|
||||
fi
|
||||
# Generate mappings for database
|
||||
make_dboidmap > /tmp/$$.dboidmap
|
||||
make_dbobjoidmap > /tmp/$$.dbobjoidmap
|
||||
|
||||
# we are done with SQL database access
|
||||
# shutdown forces buffers to disk
|
||||
@ -209,155 +415,52 @@ echo "Commit fixes complete, moving data files..."
|
||||
|
||||
# Move table/index/sequence files
|
||||
|
||||
cat "$SCHEMA" | while read LINE
|
||||
cat "$INFODIR"/dbobjoidmap | while read LINE
|
||||
do
|
||||
if /bin/echo "$LINE" | grep -q '^\\connect [^ ]*$'
|
||||
then OLDDB="$DB"
|
||||
DB="`/bin/echo \"$LINE\" | cut -d' ' -f2`"
|
||||
if [ "$DB" = "-" ]
|
||||
then DB="$OLDDB"
|
||||
fi
|
||||
if [ "$DB" = "template1" -o "$DB" = "template0" ]
|
||||
then DB=""
|
||||
fi
|
||||
DB=`echo "$LINE" | awk '{print $1}'`
|
||||
OBJ=`echo "$LINE" | awk '{print $2}'`
|
||||
|
||||
# Skip system tables, except for pg_largeobject
|
||||
# pg_toast tables are handled later as part of the
|
||||
# base table move
|
||||
if [ `expr "$OBJ" : 'pg_'` -eq 3 -a \
|
||||
`expr "$OBJ" : 'pg_largeobject'` -ne 14 ]
|
||||
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 $TABLE failed.
|
||||
New oid not found; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# We use stars so we don't have to worry about database oids
|
||||
SRC_OID=`echo "$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 ]
|
||||
then echo "Move of database $DB, OID $OID, table $TABLE failed.
|
||||
File not found; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
if [ `ls "$OLDDIR"/base/*/"$OID" | wc -l` -gt 1 ]
|
||||
then echo "Move of database $DB, OID $OID, table $TABLE failed.
|
||||
Too many found; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
if [ `ls data/base/*/"$NEWOID" | wc -l` -eq 0 ]
|
||||
then echo "Move of database $DB, OID $OID, table $TABLE to $NEWOID failed.
|
||||
File not found; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
if [ `ls data/base/*/"$NEWOID" | wc -l` -gt 1 ]
|
||||
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 $NEWOID failed.; exiting" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
fi
|
||||
TABLE=""
|
||||
# Handle TOAST files if they exist
|
||||
if grep -q "^$DB pg_toast_$SRC_OID " "$INFODIR"/dbobjoidmap
|
||||
then # toast heap
|
||||
SAVE_SRC_OID="$SRC_OID"
|
||||
SAVE_DST_OID="$DST_OID"
|
||||
SRC_OID=`grep "^$DB pg_toast_$SAVE_SRC_OID " \
|
||||
"$INFODIR"/dbobjoidmap | awk '{print $3}'`
|
||||
DST_OID=`grep "^$DB pg_toast_$SAVE_DST_OID " \
|
||||
/tmp/$$.dbobjoidmap | awk '{print $3}'`
|
||||
move_objfiles
|
||||
# toast index
|
||||
SRC_OID=`grep "^$DB pg_toast_${SAVE_SRC_OID}_idx " \
|
||||
"$INFODIR"/dbobjoidmap | awk '{print $3}'`
|
||||
DST_OID=`grep "^$DB pg_toast_${SAVE_DST_OID}_idx " \
|
||||
/tmp/$$.dbobjoidmap | awk '{print $3}'`
|
||||
move_objfiles
|
||||
fi
|
||||
done
|
||||
|
||||
|
||||
|
||||
# Set this so future backends don't think these tuples are their own
|
||||
# because it matches their own XID.
|
||||
# Commit status already updated by vacuum above
|
||||
# Set to maximum XID just in case SRC wrapped around recently and
|
||||
# is lower than DST's database
|
||||
|
||||
if [ "$SRC_XID" -gt "$DST_XID" ]
|
||||
then MAX_XID="$SRC_XID"
|
||||
else MAX_XID="$DST_XID"
|
||||
@ -374,20 +477,26 @@ fi
|
||||
rm -r data/pg_xlog
|
||||
mv -f "$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:" |
|
||||
awk -F' *' '{print $4}'`
|
||||
if [ "$CHKPOINT" = "" ]
|
||||
then echo "Unable to get old checkpoint location.; exiting" 1>&2
|
||||
LOG_ID=`pg_resetxlog -n "$OLDDIR" | grep "Current log file id:" |
|
||||
awk -F' *' '{print $5}'`
|
||||
if [ "$LOG_ID" = "" ]
|
||||
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
|
||||
fi
|
||||
|
||||
# Set checkpoint location of new database
|
||||
|
||||
pg_resetxlog -l `echo "$CHKPOINT" | tr '/' ' '` data
|
||||
pg_resetxlog -l "$LOG_ID" "$SEG_ID" data
|
||||
if [ "$?" -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
|
||||
fi
|
||||
|
||||
@ -403,93 +512,14 @@ fi
|
||||
|
||||
if [ "$SRC_VERSION" = "7.1" ]
|
||||
then echo "Set int8 sequence values from 7.1..."
|
||||
|
||||
psql -d template1 -At -c "SELECT datname FROM pg_database" |
|
||||
grep -v '^template0$' | # 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 [ $? -ne 0 ]
|
||||
then echo "There were errors during int4 sequence restore.
|
||||
psql -d template1 -At < "$INFODIR"/setval
|
||||
if [ $? -ne 0 ]
|
||||
then echo "There were errors during int4 sequence restore.
|
||||
$0 aborted." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
done
|
||||
exit 1
|
||||
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
|
||||
|
||||
Reference in New Issue
Block a user