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Postgres FD Implementation
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Abuhujair Javed
Postgres FD Implementation
Commits
3b7d13a6
Commit
3b7d13a6
authored
26 years ago
by
Bruce Momjian
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Make old db directory configurable.
parent
2739315a
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24 additions
and
17 deletions
+24
-17
src/bin/pg_dump/pg_upgrade
src/bin/pg_dump/pg_upgrade
+18
-11
src/man/pg_upgrade.1
src/man/pg_upgrade.1
+6
-6
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src/bin/pg_dump/pg_upgrade
View file @
3b7d13a6
...
...
@@ -2,7 +2,7 @@
trap "rm -f /tmp/$$" 0 1 2 3 15
if [ "$#" -eq 0 ]
then echo "Usage: $0 [-f inputfile] database" 1>&2
then echo "Usage: $0 [-f inputfile]
old_data_dir
database" 1>&2
exit 1
fi
...
...
@@ -16,12 +16,13 @@ then INPUT="$2"
else INPUT=""
fi
if [ "$#" -ne
1
]
then echo "Usage: $0 [-f input_file] database" 1>&2
if [ "$#" -ne
2
]
then echo "Usage: $0 [-f input_file]
old_data_dir
database" 1>&2
exit 1
fi
DATABASE="$1"
OLDDIR="$1"
DATABASE="$2"
# check things
...
...
@@ -30,8 +31,13 @@ then echo "$0 must be run from the top of the postgres directory tree." 1>&2
exit 1
fi
if [ ! -d "./data.upgrade" ]
then echo "You must rename your old /data directory to /data.upgrade and run initdb." 1>&2
if [ ! -d "./$OLDDIR" ]
then echo "You must rename your old /data directory to /$OLDDIR and run initdb." 1>&2
exit 1
fi
if [ ! -d "./$OLDDIR/data/base/$DATABASE" ]
then echo "There is not database $DATABASE in ./$OLDDIR/data/base." 1>&2
exit 1
fi
...
...
@@ -48,11 +54,12 @@ fi
# do I need to create a database?
if [ "$DATABASE" != "template1" ]
then destroydb "$DATABASE"
then echo "Dropping and recreating database $DATABASE." 1>&2
destroydb "$DATABASE" >/dev/null 2>&1
createdb "$DATABASE"
fi
# remove COPY statements, preserve pgdump_oid setting from pg_dumpall
# remove
any
COPY statements, preserve pgdump_oid setting from pg_dumpall
cat $INPUT | awk ' {
if (toupper($0) ~ /^COPY / &&
...
...
@@ -71,9 +78,9 @@ for DIR in data/base/*
do
BASEDIR="`basename $DIR`"
if [ -d "$DIR" -a \
-d "
data.upgrade
/$DIR" -a \
-d "
$OLDDIR
/$DIR" -a \
\( "$DATABASE" = "$BASEDIR" -o "$DATABASE" = "template1" \) ]
then for FILE in
data.upgrade
/$DIR/*
then for FILE in
$OLDDIR
/$DIR/*
do
BASEFILE="`basename $FILE`"
if [ `expr "$BASEFILE" : "pg_"` -ne 3 -a \
...
...
@@ -84,4 +91,4 @@ do
fi
done
echo "You may removed the
data.upgrade directory with 'rm -r data.upgrade
'."
echo "You may removed the
$OLDDIR directory with 'rm -r $OLDDIR
'."
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src/man/pg_upgrade.1
View file @
3b7d13a6
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/pg_upgrade.1,v 1.
2 1998/08/30 05:25:47
momjian Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/pg_upgrade.1,v 1.
3 1998/08/30 13:14:00
momjian Exp $
.TH pg_upgrade UNIX 1/20/96 PostgreSQL PostgreSQL
.SH NAME
pg_upgrade - allows upgrade from a previous release without reloading data
.SH SYNOPSIS
.BR pg_upgrade
[-f input_file] database
[-f input_file]
old_data_dir
database
.SH DESCRIPTION
.IR "pg_upgrade"
is a utility for upgrading from a previous PostgreSQL release
...
...
@@ -23,7 +23,7 @@ while perserving the max system oid.
.PP
Then rename (using
.IR mv )
your old pgsql /data directory to /data.
upgrade
and do a
your old pgsql /data directory to /data.
old
and do a
.IR "make install"
to install the new binaries.
Then run
...
...
@@ -35,21 +35,21 @@ database containing the system tables for the new release.
to the pgsql main directory, and type:
.nf
pg_upgrade -f db.out template1
pg_upgrade -f db.out
data.old
template1
.fi
The system will do some checking to make sure everything is properly
configured, and run your
.IR db.out
script to create all the databases and tables you had, but with no data.
It will then move the data files from /data.
upgrade
into the proper
It will then move the data files from /data.
old
into the proper
.IR /data
directory.
You can then start the
.IR postmaster
and check out the data.
You can delete the
.IR /data.
upgrade
.IR /data.
old
directory when you are finished.
.PP
It can also be used for individual databases.
...
...
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