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Commit8e76187

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committed
More cleanups with ideas from Peter.
1 parent86beaf4 commit8e76187

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2 files changed

+57
-78
lines changed

2 files changed

+57
-78
lines changed

‎contrib/pg_upgrade/README‎

Lines changed: 0 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -10,13 +10,3 @@ Read the manual page for more information. To view it:
1010
Bruce Momjian
1111

1212
2002-01-14
13-
14-
--
15-
16-
To migrate this to newer versions of PostgreSQL:
17-
18-
1) Update the version numbers at the top of the file
19-
2) Search for specific version mentions in the script and update
20-
accordingly.
21-
3) Add changes for next version.
22-

‎contrib/pg_upgrade/pg_upgrade‎

Lines changed: 57 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,15 @@
1-
#!/bin/sh
1+
z#!/bin/sh
22
#
33
# pg_upgrade: update a database without needing a full dump/reload cycle.
44
# CAUTION: Read the manual page before trying to use this!
55

6-
# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.3 2002/01/15 04:05:24 momjian Exp $
6+
# $Header: /cvsroot/pgsql/contrib/pg_upgrade/Attic/pg_upgrade,v 1.4 2002/01/15 04:50:37 momjian Exp $
77
#
8-
# NOTE: we must be sure to update the version-checking code a few dozen lines
9-
# below for each new PostgreSQL release.
8+
# To migrate this to newer versions of PostgreSQL:
9+
#1) Update the version numbers at the top of the file
10+
#2) Search for specific version mentions in the script and update
11+
# accordingly.
12+
#3) Add changes for next version.
1013

1114
#set -x
1215

@@ -15,8 +18,7 @@ ENABLE="Y"
1518

1619
if [ "$ENABLE" != "Y" ]
1720
then
18-
echo"Sorry,$0 cannot upgrade database
19-
version$SRC_VERSION to$DST_VERSION."1>&2
21+
echo "Sorry, $0 cannot upgrade database version $SRC_VERSION to $DST_VERSION." 1>&2
2022
echo "The on-disk structure of tables has changed." 1>&2
2123
echo "You will need to dump and restore using pg_dumpall." 1>&2
2224
exit 1
@@ -59,17 +61,15 @@ thenecho "You must set the PGDATA environment variable or specify it with -D."
5961
fi
6062

6163
if [ ! -d "$PGDATA" ]
62-
thenecho"$PGDATA does not exist.
63-
$BASENAME aborted."1>&2
64+
thenecho "$PGDATA does not exist. Exiting." 1>&2
6465
if [ "$PHASE" -eq 2 ]
6566
thenecho "Perhaps you didn't run initdb." 1>&2
6667
fi
6768
exit 1
6869
fi
6970

7071
if [ "$USER" = "root" -o ! -r "$PGDATA"/PG_VERSION ]
71-
thenecho"You must run this as the PostgreSQL superuser.
72-
$BASENAME aborted."1>&2
72+
thenecho "You must run this as the PostgreSQL superuser. Exiting." 1>&2
7373
exit 1
7474
fi
7575

@@ -120,24 +120,24 @@ move_objfiles()
120120

121121
if [ ! -f "$SAVEDATA"/base/"$SRC_DBOID"/"$SRC_OID" -a \
122122
! -h "$SAVEDATA"/base/"$SRC_DBOID"/"$SRC_OID" ]
123-
thenecho"Move of database$DB, OID$SRC_OID, object$OBJ failed.
124-
File not found; exiting"1>&2
123+
thenecho "Moving of database $DB, OID $SRC_OID, object $OBJ failed." 1>&2
124+
echo "File not found. Exiting." 1>&2
125125
return 1
126126
fi
127127

128128
if [ ! -f "$PGDATA"/base/"$DST_DBOID"/"$DST_OID" -a \
129129
! -h "$PGDATA"/base/"$DST_DBOID"/"$DST_OID" ]
130-
thenecho"Move of database$DB, OID$DST_OID, object$OBJ failed.
131-
File not found; exiting"1>&2
130+
thenecho "Moving of database $DB, OID $DST_OID, object $OBJ failed." 1>&2
131+
echo "File not found. Exiting." 1>&2
132132
return 1
133133
fi
134134

135135
# Move files
136136

137137
mv -f "$SAVEDATA"/base/"$SRC_DBOID"/"$SRC_OID" "$PGDATA"/base/"$DST_DBOID"/"$DST_OID"
138138
if [ "$?" -ne 0 ]
139-
thenecho"Move of database$DB, OID$SRC_OID, object$OBJ
140-
to$DST_OID failed.; exiting"1>&2
139+
thenecho "Moving of database $DB, OID $SRC_OID, object $OBJ" 1>&2
140+
echo "to $DST_OID failed. Exiting" 1>&2
141141
return 1
142142
fi
143143

@@ -148,8 +148,8 @@ to $DST_OID failed.; exiting" 1>&2
148148
EXT=`basename "$FILE" | sed 's/^.*\.\(.*\)$/\1/'`
149149
mv -f "$FILE" "$PGDATA"/base/"$DST_DBOID"/"$DST_OID"."$EXT"
150150
if [ "$?" -ne 0 ]
151-
thenecho"Move of database$DB, OID$SRC_OID, object$OBJ
152-
to$DST_OID failed.; exiting"1>&2
151+
thenecho "Moving of database $DB, OID $SRC_OID, object $OBJ" 1>&2
152+
echo "to $DST_OID failed. Exiting." 1>&2
153153
return 1
154154
fi
155155
done
@@ -171,45 +171,43 @@ then
171171
# get version
172172
SRC_VERSION=`cat "$PGDATA"/PG_VERSION`
173173
if [ "$SRC_VERSION" = "" ]
174-
thenecho"$BASENAME can not find PostgreSQL version file '$PGDATA/PG_VERSION'.
175-
$BASENAME aborted."1>&2
174+
thenecho "$BASENAME can not findthePostgreSQL version file" 1>&2
175+
echo "'$PGDATA/PG_VERSION'. Exiting." 1>&2
176176
exit 1
177177
fi
178178

179179
if [ "$SRC_VERSION" != "$CUR_VERSION" -a \
180180
"$SRC_VERSION" != "$UPGRADE_VERSION" ]
181181
thenecho "$BASENAME supports versions $UPGRADE_VERSION and $CUR_VERSION only." 1>&2
182-
echo"However, your database is version$SRC_VERSION;
183-
$BASENAME aborted."1>&2
184-
echo"You will need to dump and restore using pg_dumpall."1>&2
182+
echo "However, your database is version $SRC_VERSION." 1>&2
183+
echo "You will need to dump and restore using pg_dumpall. Exiting." 1>&2
185184
exit 1
186185
fi
187186

188187
# Start server, if needed, so we can do some work.
189188
if ! pg_ctl status | sed -n '1p' | grep "is running" > /dev/null 2>&1
190189
thenpg_ctl -w start
191190
if [ $? -ne 0 ]
192-
thenecho"Can not start server.
193-
$BASENAME aborted."1>&2
191+
thenecho "Can not start server. Exiting." 1>&2
194192
exit 1
195193
fi
196194
fi
197195

198196
# create directory for our data
199197
if ! rm -rf "$INFODIR"
200-
thenecho"Deletion of old pg_upgrade_info directoryfailed,$INFODIR.
201-
$BASENAME aborted."1>&2
198+
thenecho "Deletion of old pg_upgrade_info directory $INFODIR failed." 1>&2
199+
echo "Exiting." 1>&2
202200
exit 1
203201
fi
204202
if ! mkdir "$INFODIR"
205-
thenecho"Creation of new pg_upgrade_info directoryfailed,$INFODIR.
206-
$BASENAME aborted."1>&2
203+
thenecho "Creation of new pg_upgrade_info directory $INFODIR failed." 1>&2
204+
echo "Exiting." 1>&2
207205
exit 1
208206
fi
209207

210208
if ! chmod og-rwx "$INFODIR"
211-
thenecho"Permission change on new pg_upgrade_info directoryfailed,$INFODIR.
212-
$BASENAME aborted."1>&2
209+
thenecho "Permission change on new pg_upgrade_info directory $INFODIR failed." 1>&2
210+
echo "Exiting." 1>&2
213211
exit 1
214212
fi
215213

@@ -238,8 +236,7 @@ $BASENAME aborted." 1>&2
238236
else print $0;
239237
}' > "$INFODIR"/schema
240238
if [ $? -ne 0 ]
241-
thenecho"Can not dump schema.
242-
$BASENAME aborted."1>&2
239+
thenecho "Can not dump schema. Exiting." 1>&2
243240
exit 1
244241
fi
245242

@@ -278,30 +275,27 @@ $BASENAME aborted." 1>&2
278275

279276
vacuumdb -a
280277
if [ $? -ne 0 ]
281-
thenecho"Can not vacuum server.
282-
$BASENAME aborted."1>&2
278+
thenecho "Can not vacuum server. Exiting." 1>&2
283279
exit 1
284280
fi
285281

286282
# Stop server so we can move the directory.
287283
pg_ctl -w stop
288284
if [ $? -ne 0 ]
289-
thenecho"Can not stop server.
290-
$BASENAME aborted."1>&2
285+
thenecho "Can not stop server. Exiting." 1>&2
291286
exit 1
292287
fi
293288

294289
# No matter what the directory name, call it data
295290
mv "$PGDATA" "$INFODIR"/data
296291
if [ $? -ne 0 ]
297-
thenecho"Can not move old /$PGDATA out of the way.
298-
$BASENAME aborted."1>&2
292+
thenecho "Can not move old $PGDATA out of the way. Exiting." 1>&2
299293
exit 1
300294
fi
301295
echo
302296
echo
303-
echo"Plase 1 completed.
304-
Continue with the steps outlined in the$BASENAME manual page."
297+
echo "Plase 1 completed."
298+
echo "Continue with the steps outlined in the $BASENAME manual page."
305299
exit 0
306300
fi
307301

@@ -313,7 +307,7 @@ fi
313307
# check things
314308

315309
if [ ! -d "$INFODIR" ]
316-
thenecho"There is no '$INFODIR' directory froma phase 1 run of$BASENAME."1>&2
310+
thenecho "There is no '$INFODIR' directory fromthe phase 1 run of $BASENAME." 1>&2
317311
exit 1
318312
fi
319313

@@ -347,8 +341,8 @@ DST_VERSION=`cat "$PGDATA"/PG_VERSION`
347341
# This code will need to be updated/reviewed for each new PostgreSQL release.
348342

349343
if [ "$DST_VERSION" != "$CUR_VERSION" ]
350-
thenecho"$BASENAME is for PostgreSQL version$CUR_VERSION
351-
but$PGDATA/PG_VERSION contains$DST_VERSION."1>&2
344+
thenecho "$BASENAME is for PostgreSQL version $CUR_VERSION" 1>&2
345+
echo "but $PGDATA/PG_VERSION contains $DST_VERSION." 1>&2
352346
echo "Did you run initdb for version $UPGRADE_VERSION by mistake?" 1>&2
353347
exit 1
354348
fi
@@ -358,8 +352,7 @@ fi
358352
if pg_ctl status | sed -n '1p' | grep "is running" > /dev/null 2>&1
359353
thenpg_ctl -w stop
360354
if [ $? -ne 0 ]
361-
thenecho"Can no start server.
362-
$BASENAME aborted."1>&2
355+
thenecho "Can no start server. Exiting." 1>&2
363356
exit 1
364357
fi
365358
fi
@@ -369,14 +362,15 @@ fi
369362
pg_resetxlog 2> /dev/null
370363
# file not found status is normally 127, not 1
371364
if [ "$?" -ne 1 ]
372-
thenecho"Unable to find pg_resetxlog in path.
373-
Install it from pgsql/contrib/pg_resetxlog and continue.; exiting"1>&2
365+
thenecho "Unable to find pg_resetxlog inyourpath." 1>&2
366+
echo "Install it from pgsql/contrib/pg_resetxlog and continue. Exiting." 1>&2
374367
exit 1
375368
fi
376369

377370
if ! pg_resetxlog -x 2>&1 | grep 'xid' > /dev/null 2>&1
378-
thenecho"Old version of pg_resetxlog found in path.
379-
Install a newer version from pgsql/contrib/pg_resetxlog.; exiting"1>&2
371+
thenecho "Old version of pg_resetxlog found in path." 1>&2
372+
echo "Install a newer version of pg_resetxlog from pgsql/contrib/pg_resetxlog." 1>&2
373+
echo "Exiting." 1>&2
380374
exit 1
381375
fi
382376

@@ -385,7 +379,7 @@ fi
385379

386380
SRC_XID=`pg_resetxlog -n "$SAVEDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
387381
if [ "$SRC_VERSION" = "7.1" -a "$SRC_XID" -gt 2000000000 ]
388-
thenecho"XID too high for$BASENAME.; exiting"1>&2
382+
thenecho "XID too high for $BASENAME. Exiting." 1>&2
389383
exit 1
390384
fi
391385
DST_XID=`pg_resetxlog -n "$PGDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
@@ -395,16 +389,15 @@ DST_XID=`pg_resetxlog -n "$PGDATA" | grep "NextXID" | awk -F' *' '{print $4}'`
395389
pg_resetxlog -n "$SAVEDATA" | grep "^LC_" > /tmp/$$.0
396390
pg_resetxlog -n "$PGDATA" | grep "^LC_" > /tmp/$$.1
397391
if ! diff /tmp/$$.0 /tmp/$$.1 > /dev/null
398-
thenecho"Locales do not match between the two versions.; exiting"1>&2
392+
thenecho "Locales do not match between the two versions. Exiting." 1>&2
399393
exit 1
400394
fi
401395

402396
# Restart postmaster
403397

404398
pg_ctl -w start
405399
if [ $? -ne 0 ]
406-
thenecho"Can not start server.
407-
$BASENAME aborted."1>&2
400+
thenecho "Can not start server. Exiting." 1>&2
408401
exit 1
409402
fi
410403

@@ -418,21 +411,19 @@ fi
418411

419412
psql template1 < "$INFODIR"/schema
420413
if [ $? -ne 0 ]
421-
thenecho"There were errors in the input script.
422-
$BASENAME aborted."1>&2
414+
thenecho "There were errors in the input script. Exiting." 1>&2
423415
exit 1
424416
fi
425417

426-
echo"Input scriptcomplete, fixing row commit statuses..."
418+
echo "Input scriptcompleted, fixing row commit statuses..."
427419

428420
# XXX do we still need this?
429421
# Now vacuum each result database because our movement of transaction log
430422
# causes some committed transactions to appear as non-committed
431423

432424
vacuumdb -a
433425
if [ $? -ne 0 ]
434-
thenecho"There were errors during VACUUM.
435-
$BASENAME aborted."1>&2
426+
thenecho "There were errors during VACUUM. Exiting." 1>&2
436427
exit 1
437428
fi
438429

@@ -445,7 +436,7 @@ make_dbobjoidmap > /tmp/$$.dbobjoidmap || exit "$?"
445436

446437
pg_ctl -w stop
447438
if [ "$?" -ne 0 ]
448-
thenecho"Unable to stop database server.; exiting"1>&2
439+
thenecho "Unable to stop database server. Exiting." 1>&2
449440
exit 1
450441
fi
451442

@@ -507,7 +498,7 @@ fi
507498

508499
pg_resetxlog -x "$MAX_XID" "$PGDATA"
509500
if [ "$?" -ne 0 ]
510-
thenecho"Unable to set new XID.; exiting"1>&2
501+
thenecho "Unable to set new XID. Exiting." 1>&2
511502
exit 1
512503
fi
513504

@@ -521,29 +512,29 @@ mv -f "$SAVEDATA"/pg_xlog "$PGDATA"
521512
LOG_ID=`pg_resetxlog -n "$SAVEDATA" | grep "Current log file id:" |
522513
awk -F' *' '{print $5}'`
523514
if [ "$LOG_ID" = "" ]
524-
thenecho"Unable to get old log file id.; exiting"1>&2
515+
thenecho "Unable to get old log file id. Exiting." 1>&2
525516
exit 1
526517
fi
527518
SEG_ID=`pg_resetxlog -n "$SAVEDATA" | grep "Next log file segment:" |
528519
awk -F' *' '{print $5}'`
529520
if [ "$SEG_ID" = "" ]
530-
thenecho"Unable to get old log segment id.; exiting"1>&2
521+
thenecho "Unable to get old log segment id. Exiting." 1>&2
531522
exit 1
532523
fi
533524

534525
# Set checkpoint location of new database
535526

536527
pg_resetxlog -l "$LOG_ID" "$SEG_ID" "$PGDATA"
537528
if [ "$?" -ne 0 ]
538-
thenecho"Unable to set new log file/segment id.; exiting"1>&2
529+
thenecho "Unable to set new log file/segment id. Exiting." 1>&2
539530
exit 1
540531
fi
541532

542533
# Restart server with moved data
543534

544535
pg_ctl -w start
545536
if [ "$?" -ne 0 ]
546-
thenecho"Unable to restart database server.; exiting"1>&2
537+
thenecho "Unable to restart database server. Exiting." 1>&2
547538
exit 1
548539
fi
549540

@@ -554,14 +545,12 @@ if [ "$SRC_VERSION" = "7.1" -o \
554545
thenecho "Set sequence values..."
555546
psql -d template1 -At < "$INFODIR"/setval
556547
if [ $? -ne 0 ]
557-
thenecho"There were errors during int4 sequence restore.
558-
$BASENAME aborted."1>&2
548+
thenecho "There were errors during int4 sequence restore. Exiting." 1>&2
559549
exit 1
560550
fi
561551
fi
562552

563553
echo
564554
echo
565555
echo "You may remove the old database files with 'rm -r $INFODIR'."
566-
567556
exit 0

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