More cleanups with ideas from Peter.
This commit is contained in:
Bruce Momjian
parent
86beaf4fa0
commit
8e76187790
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@ -10,13 +10,3 @@ Read the manual page for more information. To view it:
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Bruce Momjian
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2002-01-14
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--
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To migrate this to newer versions of PostgreSQL:
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1) Update the version numbers at the top of the file
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2) Search for specific version mentions in the script and update
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accordingly.
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3) Add changes for next version.
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@ -1,12 +1,15 @@
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#!/bin/sh
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z#!/bin/sh
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#
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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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# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.3 2002/01/15 04:05:24 momjian Exp $
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# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.4 2002/01/15 04:50:37 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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# To migrate this to newer versions of PostgreSQL:
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# 1) Update the version numbers at the top of the file
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# 2) Search for specific version mentions in the script and update
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# accordingly.
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# 3) Add changes for next version.
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#set -x
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@ -15,8 +18,7 @@ ENABLE="Y"
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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 "Sorry, $0 cannot upgrade database version $SRC_VERSION to $DST_VERSION." 1>&2
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echo "The on-disk structure of tables has changed." 1>&2
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echo "You will need to dump and restore using pg_dumpall." 1>&2
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exit 1
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@ -59,8 +61,7 @@ then echo "You must set the PGDATA environment variable or specify it with -D."
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fi
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if [ ! -d "$PGDATA" ]
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then echo "$PGDATA does not exist.
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$BASENAME aborted." 1>&2
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then echo "$PGDATA does not exist. Exiting." 1>&2
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if [ "$PHASE" -eq 2 ]
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then echo "Perhaps you didn't run initdb." 1>&2
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fi
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@ -68,8 +69,7 @@ $BASENAME aborted." 1>&2
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fi
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if [ "$USER" = "root" -o ! -r "$PGDATA"/PG_VERSION ]
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then echo "You must run this as the PostgreSQL superuser.
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$BASENAME aborted." 1>&2
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then echo "You must run this as the PostgreSQL superuser. Exiting." 1>&2
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exit 1
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fi
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@ -120,15 +120,15 @@ move_objfiles()
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if [ ! -f "$SAVEDATA"/base/"$SRC_DBOID"/"$SRC_OID" -a \
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! -h "$SAVEDATA"/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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then echo "Moving of database $DB, OID $SRC_OID, object $OBJ failed." 1>&2
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echo "File not found. Exiting." 1>&2
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return 1
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fi
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if [ ! -f "$PGDATA"/base/"$DST_DBOID"/"$DST_OID" -a \
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! -h "$PGDATA"/base/"$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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then echo "Moving of database $DB, OID $DST_OID, object $OBJ failed." 1>&2
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echo "File not found. Exiting." 1>&2
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return 1
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fi
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@ -136,8 +136,8 @@ File not found; exiting" 1>&2
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mv -f "$SAVEDATA"/base/"$SRC_DBOID"/"$SRC_OID" "$PGDATA"/base/"$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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then echo "Moving of database $DB, OID $SRC_OID, object $OBJ" 1>&2
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echo "to $DST_OID failed. Exiting" 1>&2
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return 1
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fi
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@ -148,8 +148,8 @@ to $DST_OID failed.; exiting" 1>&2
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EXT=`basename "$FILE" | sed 's/^.*\.\(.*\)$/\1/'`
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mv -f "$FILE" "$PGDATA"/base/"$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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then echo "Moving of database $DB, OID $SRC_OID, object $OBJ" 1>&2
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echo "to $DST_OID failed. Exiting." 1>&2
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return 1
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fi
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done
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@ -171,17 +171,16 @@ then
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# get version
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SRC_VERSION=`cat "$PGDATA"/PG_VERSION`
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if [ "$SRC_VERSION" = "" ]
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then echo "$BASENAME can not find PostgreSQL version file '$PGDATA/PG_VERSION'.
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$BASENAME aborted." 1>&2
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then echo "$BASENAME can not find the PostgreSQL version file" 1>&2
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echo "'$PGDATA/PG_VERSION'. Exiting." 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 "$BASENAME supports versions $UPGRADE_VERSION and $CUR_VERSION only." 1>&2
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echo "However, your database is version $SRC_VERSION;
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$BASENAME aborted." 1>&2
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echo "You will need to dump and restore using pg_dumpall." 1>&2
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echo "However, your database is version $SRC_VERSION." 1>&2
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echo "You will need to dump and restore using pg_dumpall. Exiting." 1>&2
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exit 1
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fi
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@ -189,27 +188,26 @@ $BASENAME aborted." 1>&2
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if ! pg_ctl status | sed -n '1p' | grep "is running" > /dev/null 2>&1
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then pg_ctl -w start
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if [ $? -ne 0 ]
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then echo "Can not start server.
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$BASENAME aborted." 1>&2
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then echo "Can not start server. Exiting." 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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if ! rm -rf "$INFODIR"
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then echo "Deletion of old pg_upgrade_info directory failed, $INFODIR.
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$BASENAME aborted." 1>&2
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then echo "Deletion of old pg_upgrade_info directory $INFODIR failed." 1>&2
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echo "Exiting." 1>&2
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exit 1
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fi
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if ! mkdir "$INFODIR"
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then echo "Creation of new pg_upgrade_info directory failed, $INFODIR.
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$BASENAME aborted." 1>&2
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then echo "Creation of new pg_upgrade_info directory $INFODIR failed." 1>&2
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echo "Exiting." 1>&2
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exit 1
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fi
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if ! chmod og-rwx "$INFODIR"
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then echo "Permission change on new pg_upgrade_info directory failed, $INFODIR.
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$BASENAME aborted." 1>&2
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then echo "Permission change on new pg_upgrade_info directory $INFODIR failed." 1>&2
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echo "Exiting." 1>&2
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exit 1
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fi
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@ -238,8 +236,7 @@ $BASENAME aborted." 1>&2
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else print $0;
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}' > "$INFODIR"/schema
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if [ $? -ne 0 ]
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then echo "Can not dump schema.
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$BASENAME aborted." 1>&2
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then echo "Can not dump schema. Exiting." 1>&2
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exit 1
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fi
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@ -278,30 +275,27 @@ $BASENAME aborted." 1>&2
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vacuumdb -a
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if [ $? -ne 0 ]
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then echo "Can not vacuum server.
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$BASENAME aborted." 1>&2
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then echo "Can not vacuum server. Exiting." 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 [ $? -ne 0 ]
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then echo "Can not stop server.
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$BASENAME aborted." 1>&2
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then echo "Can not stop server. Exiting." 1>&2
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exit 1
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fi
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# No matter what the directory name, call it data
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mv "$PGDATA" "$INFODIR"/data
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if [ $? -ne 0 ]
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then echo "Can not move old /$PGDATA out of the way.
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$BASENAME aborted." 1>&2
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then echo "Can not move old $PGDATA out of the way. Exiting." 1>&2
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exit 1
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fi
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echo
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echo
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echo "Plase 1 completed.
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Continue with the steps outlined in the $BASENAME manual page."
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echo "Plase 1 completed."
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echo "Continue with the steps outlined in the $BASENAME manual page."
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exit 0
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fi
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@ -313,7 +307,7 @@ fi
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# check things
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if [ ! -d "$INFODIR" ]
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then echo "There is no '$INFODIR' directory from a phase 1 run of $BASENAME." 1>&2
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then echo "There is no '$INFODIR' directory from the phase 1 run of $BASENAME." 1>&2
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exit 1
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fi
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@ -347,8 +341,8 @@ DST_VERSION=`cat "$PGDATA"/PG_VERSION`
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# This code will need to be updated/reviewed for each new PostgreSQL release.
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if [ "$DST_VERSION" != "$CUR_VERSION" ]
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then echo "$BASENAME is for PostgreSQL version $CUR_VERSION
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but $PGDATA/PG_VERSION contains $DST_VERSION." 1>&2
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then echo "$BASENAME is for PostgreSQL version $CUR_VERSION" 1>&2
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echo "but $PGDATA/PG_VERSION contains $DST_VERSION." 1>&2
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echo "Did you run initdb for version $UPGRADE_VERSION by mistake?" 1>&2
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exit 1
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fi
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@ -358,8 +352,7 @@ fi
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if pg_ctl status | sed -n '1p' | grep "is running" > /dev/null 2>&1
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then pg_ctl -w stop
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if [ $? -ne 0 ]
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then echo "Can no start server.
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$BASENAME aborted." 1>&2
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then echo "Can no start server. Exiting." 1>&2
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exit 1
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fi
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fi
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@ -369,14 +362,15 @@ fi
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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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if [ "$?" -ne 1 ]
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then echo "Unable to find pg_resetxlog in path.
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Install it from pgsql/contrib/pg_resetxlog and continue.; exiting" 1>&2
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then echo "Unable to find pg_resetxlog in your path." 1>&2
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echo "Install it from pgsql/contrib/pg_resetxlog and continue. Exiting." 1>&2
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exit 1
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fi
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if ! pg_resetxlog -x 2>&1 | grep 'xid' > /dev/null 2>&1
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then echo "Old version of pg_resetxlog found in path.
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Install a newer version from pgsql/contrib/pg_resetxlog.; exiting" 1>&2
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then echo "Old version of pg_resetxlog found in path." 1>&2
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echo "Install a newer version of pg_resetxlog from pgsql/contrib/pg_resetxlog." 1>&2
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echo "Exiting." 1>&2
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exit 1
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fi
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@ -385,7 +379,7 @@ fi
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SRC_XID=`pg_resetxlog -n "$SAVEDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
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if [ "$SRC_VERSION" = "7.1" -a "$SRC_XID" -gt 2000000000 ]
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then echo "XID too high for $BASENAME.; exiting" 1>&2
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then echo "XID too high for $BASENAME. Exiting." 1>&2
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exit 1
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fi
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DST_XID=`pg_resetxlog -n "$PGDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
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@ -395,7 +389,7 @@ DST_XID=`pg_resetxlog -n "$PGDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
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pg_resetxlog -n "$SAVEDATA" | grep "^LC_" > /tmp/$$.0
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pg_resetxlog -n "$PGDATA" | grep "^LC_" > /tmp/$$.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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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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@ -403,8 +397,7 @@ fi
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pg_ctl -w start
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if [ $? -ne 0 ]
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then echo "Can not start server.
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$BASENAME aborted." 1>&2
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then echo "Can not start server. Exiting." 1>&2
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exit 1
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fi
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@ -418,12 +411,11 @@ fi
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psql template1 < "$INFODIR"/schema
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if [ $? -ne 0 ]
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then echo "There were errors in the input script.
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$BASENAME aborted." 1>&2
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then echo "There were errors in the input script. Exiting." 1>&2
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exit 1
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fi
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echo "Input script complete, fixing row commit statuses..."
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echo "Input script completed, fixing row commit statuses..."
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# XXX do we still need this?
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# Now vacuum each result database because our movement of transaction log
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@ -431,8 +423,7 @@ echo "Input script complete, fixing row commit statuses..."
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vacuumdb -a
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if [ $? -ne 0 ]
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then echo "There were errors during VACUUM.
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$BASENAME aborted." 1>&2
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then echo "There were errors during VACUUM. Exiting." 1>&2
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exit 1
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fi
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@ -445,7 +436,7 @@ make_dbobjoidmap > /tmp/$$.dbobjoidmap || exit "$?"
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pg_ctl -w stop
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if [ "$?" -ne 0 ]
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then echo "Unable to stop database server.; exiting" 1>&2
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then echo "Unable to stop database server. Exiting." 1>&2
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exit 1
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fi
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@ -507,7 +498,7 @@ fi
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pg_resetxlog -x "$MAX_XID" "$PGDATA"
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if [ "$?" -ne 0 ]
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then echo "Unable to set new XID.; exiting" 1>&2
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then echo "Unable to set new XID. Exiting." 1>&2
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exit 1
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fi
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@ -521,13 +512,13 @@ mv -f "$SAVEDATA"/pg_xlog "$PGDATA"
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LOG_ID=`pg_resetxlog -n "$SAVEDATA" | grep "Current log file id:" |
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awk -F' *' '{print $5}'`
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if [ "$LOG_ID" = "" ]
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then echo "Unable to get old log file id.; exiting" 1>&2
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then echo "Unable to get old log file id. Exiting." 1>&2
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exit 1
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fi
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SEG_ID=`pg_resetxlog -n "$SAVEDATA" | grep "Next log file segment:" |
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awk -F' *' '{print $5}'`
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if [ "$SEG_ID" = "" ]
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then echo "Unable to get old log segment id.; exiting" 1>&2
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then echo "Unable to get old log segment id. Exiting." 1>&2
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exit 1
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fi
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@ -535,7 +526,7 @@ fi
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pg_resetxlog -l "$LOG_ID" "$SEG_ID" "$PGDATA"
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if [ "$?" -ne 0 ]
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then echo "Unable to set new log file/segment id.; exiting" 1>&2
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then echo "Unable to set new log file/segment id. Exiting." 1>&2
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exit 1
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fi
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@ -543,7 +534,7 @@ fi
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pg_ctl -w start
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if [ "$?" -ne 0 ]
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then echo "Unable to restart database server.; exiting" 1>&2
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then echo "Unable to restart database server. Exiting." 1>&2
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exit 1
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fi
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@ -554,8 +545,7 @@ if [ "$SRC_VERSION" = "7.1" -o \
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then echo "Set sequence values..."
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psql -d template1 -At < "$INFODIR"/setval
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if [ $? -ne 0 ]
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then echo "There were errors during int4 sequence restore.
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$BASENAME aborted." 1>&2
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then echo "There were errors during int4 sequence restore. Exiting." 1>&2
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exit 1
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fi
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fi
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@ -563,5 +553,4 @@ fi
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echo
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echo
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echo "You may remove the old database files with 'rm -r $INFODIR'."
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exit 0
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