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Commit04baa0e

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committed
Update pg_dump to use SET DEFAULT_TABLESPACE instead of explicit
tablespace clauses; this should improve compatibility of dump files.Philip Warner, some rework by Tom Lane.
1 parent1d13bed commit04baa0e

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5 files changed

+164
-46
lines changed

5 files changed

+164
-46
lines changed

‎src/bin/pg_dump/pg_backup.h

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@
1515
*
1616
*
1717
* IDENTIFICATION
18-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.33 2004/08/29 05:06:53 momjian Exp $
18+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.34 2004/11/06 19:36:01 tgl Exp $
1919
*
2020
*-------------------------------------------------------------------------
2121
*/
@@ -54,8 +54,10 @@ typedef enum _archiveFormat
5454
typedefstruct_Archive
5555
{
5656
intverbose;
57-
intremoteVersion;
58-
intminRemoteVersion;
57+
char*remoteVersionStr;/* server's version string */
58+
intremoteVersion;/* same in numeric form */
59+
60+
intminRemoteVersion;/* allowable range */
5961
intmaxRemoteVersion;
6062

6163
/* error handling */
@@ -139,7 +141,8 @@ PGconn *ConnectDatabase(Archive *AH,
139141
externvoidArchiveEntry(Archive*AHX,
140142
CatalogIdcatalogId,DumpIddumpId,
141143
constchar*tag,
142-
constchar*namespace,constchar*owner,boolwithOids,
144+
constchar*namespace,constchar*tablespace,
145+
constchar*owner,boolwithOids,
143146
constchar*desc,constchar*defn,
144147
constchar*dropStmt,constchar*copyStmt,
145148
constDumpId*deps,intnDeps,

‎src/bin/pg_dump/pg_backup_archiver.c

Lines changed: 86 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@
1515
*
1616
*
1717
* IDENTIFICATION
18-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.99 2004/10/22 16:04:35 petere Exp $
18+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.100 2004/11/06 19:36:01 tgl Exp $
1919
*
2020
*-------------------------------------------------------------------------
2121
*/
@@ -60,6 +60,7 @@ static void _reconnectToDB(ArchiveHandle *AH, const char *dbname);
6060
staticvoid_becomeUser(ArchiveHandle*AH,constchar*user);
6161
staticvoid_becomeOwner(ArchiveHandle*AH,TocEntry*te);
6262
staticvoid_selectOutputSchema(ArchiveHandle*AH,constchar*schemaName);
63+
staticvoid_selectTablespace(ArchiveHandle*AH,constchar*tablespace);
6364

6465
staticteReqs_tocEntryRequired(TocEntry*te,RestoreOptions*ropt,boolacl_pass);
6566
staticvoid_disableTriggersIfNecessary(ArchiveHandle*AH,TocEntry*te,RestoreOptions*ropt);
@@ -602,7 +603,9 @@ void
602603
ArchiveEntry(Archive*AHX,
603604
CatalogIdcatalogId,DumpIddumpId,
604605
constchar*tag,
605-
constchar*namespace,constchar*owner,boolwithOids,
606+
constchar*namespace,
607+
constchar*tablespace,
608+
constchar*owner,boolwithOids,
606609
constchar*desc,constchar*defn,
607610
constchar*dropStmt,constchar*copyStmt,
608611
constDumpId*deps,intnDeps,
@@ -629,6 +632,7 @@ ArchiveEntry(Archive *AHX,
629632

630633
newToc->tag=strdup(tag);
631634
newToc->namespace=namespace ?strdup(namespace) :NULL;
635+
newToc->tablespace=tablespace ?strdup(tablespace) :NULL;
632636
newToc->owner=strdup(owner);
633637
newToc->withOids=withOids;
634638
newToc->desc=strdup(desc);
@@ -693,6 +697,12 @@ PrintTOCSummary(Archive *AHX, RestoreOptions *ropt)
693697
ahprintf(AH,"; Format: %s\n",fmtName);
694698
ahprintf(AH,"; Integer: %d bytes\n", (int)AH->intSize);
695699
ahprintf(AH,"; Offset: %d bytes\n", (int)AH->offSize);
700+
if (AH->archiveRemoteVersion)
701+
ahprintf(AH,"; Dumped from database version: %s\n",
702+
AH->archiveRemoteVersion);
703+
if (AH->archiveDumpVersion)
704+
ahprintf(AH,"; Dumped by pg_dump version: %s\n",
705+
AH->archiveDumpVersion);
696706

697707
ahprintf(AH,";\n;\n; Selected TOC Entries:\n;\n");
698708

@@ -1822,6 +1832,7 @@ WriteToc(ArchiveHandle *AH)
18221832
WriteStr(AH,te->dropStmt);
18231833
WriteStr(AH,te->copyStmt);
18241834
WriteStr(AH,te->namespace);
1835+
WriteStr(AH,te->tablespace);
18251836
WriteStr(AH,te->owner);
18261837
WriteStr(AH,te->withOids ?"true" :"false");
18271838

@@ -1891,6 +1902,9 @@ ReadToc(ArchiveHandle *AH)
18911902
if (AH->version >=K_VERS_1_6)
18921903
te->namespace=ReadStr(AH);
18931904

1905+
if (AH->version >=K_VERS_1_10)
1906+
te->tablespace=ReadStr(AH);
1907+
18941908
te->owner=ReadStr(AH);
18951909
if (AH->version >=K_VERS_1_9)
18961910
{
@@ -2293,6 +2307,61 @@ _selectOutputSchema(ArchiveHandle *AH, const char *schemaName)
22932307
destroyPQExpBuffer(qry);
22942308
}
22952309

2310+
/*
2311+
* Issue the commands to select the specified tablespace as the current one
2312+
* in the target database.
2313+
*/
2314+
staticvoid
2315+
_selectTablespace(ArchiveHandle*AH,constchar*tablespace)
2316+
{
2317+
PQExpBufferqry;
2318+
constchar*want,*have;
2319+
2320+
have=AH->currTablespace;
2321+
want=tablespace;
2322+
2323+
/* no need to do anything for non-tablespace object */
2324+
if (!want)
2325+
return;
2326+
2327+
if (have&&strcmp(want,have)==0)
2328+
return;/* no need to do anything */
2329+
2330+
qry=createPQExpBuffer();
2331+
2332+
if (strcmp(want,"")==0)
2333+
{
2334+
/* We want the tablespace to be the database's default */
2335+
appendPQExpBuffer(qry,"SET default_tablespace = ''");
2336+
}
2337+
else
2338+
{
2339+
/* We want an explicit tablespace */
2340+
appendPQExpBuffer(qry,"SET default_tablespace = %s",fmtId(want));
2341+
}
2342+
2343+
if (RestoringToDB(AH))
2344+
{
2345+
PGresult*res;
2346+
2347+
res=PQexec(AH->connection,qry->data);
2348+
2349+
if (!res||PQresultStatus(res)!=PGRES_COMMAND_OK)
2350+
warn_or_die_horribly(AH,modulename,
2351+
"could not set default_tablespace to %s: %s",
2352+
fmtId(want),PQerrorMessage(AH->connection));
2353+
2354+
PQclear(res);
2355+
}
2356+
else
2357+
ahprintf(AH,"%s;\n\n",qry->data);
2358+
2359+
if (AH->currTablespace)
2360+
free(AH->currTablespace);
2361+
AH->currTablespace=strdup(want);
2362+
2363+
destroyPQExpBuffer(qry);
2364+
}
22962365

22972366
/**
22982367
* Parses the dropStmt part of a TOC entry and returns
@@ -2378,9 +2447,10 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt, bool isDat
23782447
strcmp(te->desc,"SCHEMA")==0&&strcmp(te->tag,"public")==0)
23792448
return;
23802449

2381-
/* Select ownerandschema as necessary */
2450+
/* Select owner, schema,andtablespace as necessary */
23822451
_becomeOwner(AH,te);
23832452
_selectOutputSchema(AH,te->namespace);
2453+
_selectTablespace(AH,te->tablespace);
23842454

23852455
/* Set up OID mode too */
23862456
if (strcmp(te->desc,"TABLE")==0)
@@ -2411,10 +2481,14 @@ _printTocEntry(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt, bool isDat
24112481
ahprintf(AH,"\n");
24122482
}
24132483
}
2414-
ahprintf(AH,"-- %sName: %s; Type: %s; Schema: %s; Owner: %s\n",
2484+
ahprintf(AH,"-- %sName: %s; Type: %s; Schema: %s; Owner: %s",
24152485
pfx,te->tag,te->desc,
24162486
te->namespace ?te->namespace :"-",
24172487
te->owner);
2488+
if (te->tablespace)
2489+
ahprintf(AH,"; Tablespace: %s",te->tablespace);
2490+
ahprintf(AH,"\n");
2491+
24182492
if (AH->PrintExtraTocPtr!=NULL)
24192493
(*AH->PrintExtraTocPtr) (AH,te);
24202494
ahprintf(AH,"--\n\n");
@@ -2509,6 +2583,8 @@ WriteHead(ArchiveHandle *AH)
25092583
WriteInt(AH,crtm.tm_year);
25102584
WriteInt(AH,crtm.tm_isdst);
25112585
WriteStr(AH,PQdb(AH->connection));
2586+
WriteStr(AH,AH->public.remoteVersionStr);
2587+
WriteStr(AH,PG_VERSION);
25122588
}
25132589

25142590
void
@@ -2595,6 +2671,12 @@ ReadHead(ArchiveHandle *AH)
25952671
write_msg(modulename,"WARNING: invalid creation date in header\n");
25962672
}
25972673

2674+
if (AH->version >=K_VERS_1_10)
2675+
{
2676+
AH->archiveRemoteVersion=ReadStr(AH);
2677+
AH->archiveDumpVersion=ReadStr(AH);
2678+
}
2679+
25982680
}
25992681

26002682

‎src/bin/pg_dump/pg_backup_archiver.h

Lines changed: 12 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@
1717
*
1818
*
1919
* IDENTIFICATION
20-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.61 2004/08/29 05:06:53 momjian Exp $
20+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.62 2004/11/06 19:36:01 tgl Exp $
2121
*
2222
*-------------------------------------------------------------------------
2323
*/
@@ -62,7 +62,7 @@ typedef z_stream *z_streamp;
6262
#endif
6363

6464
#defineK_VERS_MAJOR 1
65-
#defineK_VERS_MINOR9
65+
#defineK_VERS_MINOR10
6666
#defineK_VERS_REV 0
6767

6868
/* Data block types */
@@ -84,8 +84,9 @@ typedef z_stream *z_streamp;
8484
* dependencies */
8585
#defineK_VERS_1_9 (( (1 * 256 + 9) * 256 + 0) * 256 + 0)/* add default_with_oids
8686
* tracking */
87+
#defineK_VERS_1_10 (( (1 * 256 + 10) * 256 + 0) * 256 + 0)/* add tablespace */
8788

88-
#defineK_VERS_MAX (( (1 * 256 +9) * 256 + 255) * 256 + 0)
89+
#defineK_VERS_MAX (( (1 * 256 +10) * 256 + 255) * 256 + 0)
8990

9091
/* No of BLOBs to restore in 1 TX */
9192
#defineBLOB_BATCH_SIZE 100
@@ -171,6 +172,11 @@ typedef struct _archiveHandle
171172
charvrev;
172173
intversion;/* Conveniently formatted version */
173174

175+
char*archiveRemoteVersion;/* When reading an archive,
176+
* the version of the dumped DB */
177+
char*archiveDumpVersion;/* When reading an archive,
178+
* the version of the dumper */
179+
174180
intdebugLevel;/* Used for logging (currently only by
175181
* --verbose) */
176182
size_tintSize;/* Size of an integer in the archive */
@@ -260,6 +266,7 @@ typedef struct _archiveHandle
260266
/* these vars track state to avoid sending redundant SET commands */
261267
char*currUser;/* current username */
262268
char*currSchema;/* current schema */
269+
char*currTablespace;/* current tablespace */
263270
boolcurrWithOids;/* current default_with_oids setting */
264271

265272
void*lo_buf;
@@ -283,6 +290,8 @@ typedef struct _tocEntry
283290
* (used in restore) */
284291
char*tag;/* index tag */
285292
char*namespace;/* null or empty string if not in a schema */
293+
char*tablespace;/* null if not in a tablespace; empty string
294+
* means use database default */
286295
char*owner;
287296
boolwithOids;/* Used only by "TABLE" tags */
288297
char*desc;

‎src/bin/pg_dump/pg_backup_db.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@
55
*Implements the basic DB functions used by the archiver.
66
*
77
* IDENTIFICATION
8-
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.60 2004/10/16 03:10:15 momjian Exp $
8+
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.61 2004/11/06 19:36:01 tgl Exp $
99
*
1010
*-------------------------------------------------------------------------
1111
*/
@@ -69,6 +69,7 @@ _check_database_version(ArchiveHandle *AH, bool ignoreVersion)
6969

7070
remoteversion=_parse_version(AH,remoteversion_str);
7171

72+
AH->public.remoteVersionStr=strdup(remoteversion_str);
7273
AH->public.remoteVersion=remoteversion;
7374

7475
if (myversion!=remoteversion

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