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More improvements; still disabled. (Don't panic.)

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This commit is contained in:
Bruce Momjian
2002-01-10 03:05:48 +00:00
parent 92a2598f97
commit 4d151d0b12
1 changed files with 34 additions and 12 deletions
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46
src/bin/pg_dump/pg_upgrade
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@ -3,7 +3,7 @@
# pg_upgrade: update a database without needing a full dump/reload cycle. # pg_upgrade: update a database without needing a full dump/reload cycle.
# CAUTION: read the manual page before trying to use this! # CAUTION: read the manual page before trying to use this!
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.20 2002/01/09 21:50:52 momjian Exp $ # $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.21 2002/01/10 03:05:48 momjian Exp $
# #
# NOTE: we must be sure to update the version-checking code a few dozen lines # NOTE: we must be sure to update the version-checking code a few dozen lines
# below for each new PostgreSQL release. # below for each new PostgreSQL release.
@ -164,7 +164,7 @@ fi
# Now vacuum each result database in case our transaction increase # Now vacuum each result database in case our transaction increase
# causes all the XID's to be marked with the frozen XID. # causes all the XID's to be marked with the frozen XID.
psql -l | while read DB psql -d template1 -At -c "SELECT datname FROM pg_database" | while read DB
do do
echo "VACUUM;" | psql "$DB" echo "VACUUM;" | psql "$DB"
if [ $? -ne 0 ] if [ $? -ne 0 ]
@ -179,12 +179,16 @@ pg_dumpall -s > $TMPFILE 2>/dev/null
# flush buffers to disk # flush buffers to disk
pg_ctl stop pg_ctl stop
if [ "$?" -ne 0 ]
then echo "Unable to stop database server.; exiting" 1>&2
exit 1
fi
echo "Commit fixes complete, moving data files..." echo "Commit fixes complete, moving data files..."
cat "$SCHEMA" | while read LINE cat "$SCHEMA" | while read LINE
do do
if /bin/echo "$LINE" | grep -q "^\\\\connect " if /bin/echo "$LINE" | grep -q "^\\\\connect [^ ]*$"
then OLDDB="$DB" then OLDDB="$DB"
DB="`/bin/echo \"$LINE\" | cut -d' ' -f2`" DB="`/bin/echo \"$LINE\" | cut -d' ' -f2`"
if [ "$DB" = "-" ] if [ "$DB" = "-" ]
@ -251,19 +255,37 @@ do
fi fi
done done
# set max transaction id, check < 2gig
# 7.1 has non-compressed log file format # 7.1 has non-compressed log file format
if [ "$SRCVERSION" = "7.1" ] if [ "$SRCVERSION" = "7.1" ]
# pg_log is oid 1269 in 7.1 then
LOGSIZE=`ls -l "$OLDDIR"/global/1269 "$OLDDIR"/global/1269.* 2>/dev/null | # pg_log is oid 1269 in 7.1
awk -F' *' ' LOGSIZE=`ls -l "$OLDDIR"/global/1269 "$OLDDIR"/global/1269.* 2>/dev/null |
BEGIN {sum=0;} awk -F' *' '
{sum += $5;} BEGIN {sum=0;}
END {print sum;}'` {sum += $5;}
END {print sum;}'`
# check < 2gig
# set max transaction id
else
# how to handle 7.2?
rm -r data/pg_clog &&
mv "$OLDDIR"/data/pg_clog data/pg_clog &&
mv "$OLDDIR"/data/global/pg_control data/global/pg_control
if [ "$?" -ne 0 ]
then echo "Moving of transaction and control files failed.; exiting" 1>&2
exit 1
fi
fi
pg_ctl start
if [ "$?" -ne 0 ]
then echo "Unable to restart database server.; exiting" 1>&2
exit 1
fi fi
echo "You must stop/start the postmaster before doing anything else."
echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'." echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."
exit 0 exit 0