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Commit522ed12

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Add "--exclude-extension" to pg_dump's options.
This option (or equivalently specifying "exclude extension pattern" ina filter file) allows extensions matching the specified pattern to beexcluded from the dump.Ayush Vatsa, reviewed by Junwang Zhao, Dean Rasheed, and DanielGustafsson.Discussion:https://postgr.es/m/CACX+KaP=VgVy9h-EUh598DTu+-fNr1jyEmpghC8rRp9s=w33Kg@mail.gmail.com
1 parentd63d486 commit522ed12

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3 files changed

+139
-16
lines changed

3 files changed

+139
-16
lines changed

‎doc/src/sgml/ref/pg_dump.sgml

Lines changed: 28 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -256,6 +256,27 @@ PostgreSQL documentation
256256
</listitem>
257257
</varlistentry>
258258

259+
<varlistentry>
260+
<term><option>--exclude-extension=<replaceable class="parameter">pattern</replaceable></option></term>
261+
<listitem>
262+
<para>
263+
Do not dump any extensions matching <replaceable
264+
class="parameter">pattern</replaceable>. The pattern is
265+
interpreted according to the same rules as for <option>-e</option>.
266+
<option>--exclude-extension</option> can be given more than once to exclude extensions
267+
matching any of several patterns.
268+
</para>
269+
270+
<para>
271+
When both <option>-e</option> and <option>--exclude-extension</option> are given, the behavior
272+
is to dump just the extensions that match at least one <option>-e</option>
273+
switch but no <option>--exclude-extension</option> switches. If <option>--exclude-extension</option>
274+
appears without <option>-e</option>, then extensions matching <option>--exclude-extension</option> are
275+
excluded from what is otherwise a normal dump.
276+
</para>
277+
</listitem>
278+
</varlistentry>
279+
259280
<varlistentry>
260281
<term><option>-E <replaceable class="parameter">encoding</replaceable></option></term>
261282
<term><option>--encoding=<replaceable class="parameter">encoding</replaceable></option></term>
@@ -848,10 +869,11 @@ PostgreSQL documentation
848869
<option>--exclude-table-and-children</option> or
849870
<option>-T</option> for tables,
850871
<option>-n</option>/<option>--schema</option> for schemas,
851-
<option>--include-foreign-data</option> for data on foreign servers and
872+
<option>--include-foreign-data</option> for data on foreign servers,
852873
<option>--exclude-table-data</option>,
853-
<option>--exclude-table-data-and-children</option> for table data,
854-
<option>-e</option>/<option>--extension</option> for extensions.
874+
<option>--exclude-table-data-and-children</option> for table data, and
875+
<option>-e</option>/<option>--extension</option> or
876+
<option>--exclude-extension</option> for extensions.
855877
To read from <literal>STDIN</literal>, use <filename>-</filename> as the
856878
filename. The <option>--filter</option> option can be specified in
857879
conjunction with the above listed options for including or excluding
@@ -874,8 +896,7 @@ PostgreSQL documentation
874896
<listitem>
875897
<para>
876898
<literal>extension</literal>: extensions, works like the
877-
<option>--extension</option> option. This keyword can only be
878-
used with the <literal>include</literal> keyword.
899+
<option>-e</option>/<option>--extension</option> option.
879900
</para>
880901
</listitem>
881902
<listitem>
@@ -1278,7 +1299,8 @@ PostgreSQL documentation
12781299
</para>
12791300
<para>
12801301
This option has no effect
1281-
on <option>-N</option>/<option>--exclude-schema</option>,
1302+
on <option>--exclude-extension</option>,
1303+
<option>-N</option>/<option>--exclude-schema</option>,
12821304
<option>-T</option>/<option>--exclude-table</option>,
12831305
or <option>--exclude-table-data</option>. An exclude pattern failing
12841306
to match any objects is not considered an error.

‎src/bin/pg_dump/pg_dump.c

Lines changed: 32 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -136,6 +136,9 @@ static SimpleOidList foreign_servers_include_oids = {NULL, NULL};
136136
static SimpleStringList extension_include_patterns = {NULL, NULL};
137137
static SimpleOidList extension_include_oids = {NULL, NULL};
138138

139+
static SimpleStringList extension_exclude_patterns = {NULL, NULL};
140+
static SimpleOidList extension_exclude_oids = {NULL, NULL};
141+
139142
static const CatalogId nilCatalogId = {0, 0};
140143

141144
/* override for standard extra_float_digits setting */
@@ -437,6 +440,7 @@ main(int argc, char **argv)
437440
{"exclude-table-data-and-children", required_argument, NULL, 14},
438441
{"sync-method", required_argument, NULL, 15},
439442
{"filter", required_argument, NULL, 16},
443+
{"exclude-extension", required_argument, NULL, 17},
440444

441445
{NULL, 0, NULL, 0}
442446
};
@@ -672,6 +676,11 @@ main(int argc, char **argv)
672676
read_dump_filters(optarg, &dopt);
673677
break;
674678

679+
case 17:/* exclude extension(s) */
680+
simple_string_list_append(&extension_exclude_patterns,
681+
optarg);
682+
break;
683+
675684
default:
676685
/* getopt_long already emitted a complaint */
677686
pg_log_error_hint("Try \"%s --help\" for more information.", progname);
@@ -890,6 +899,10 @@ main(int argc, char **argv)
890899
if (extension_include_oids.head == NULL)
891900
pg_fatal("no matching extensions were found");
892901
}
902+
expand_extension_name_patterns(fout, &extension_exclude_patterns,
903+
&extension_exclude_oids,
904+
false);
905+
/* non-matching exclusion patterns aren't an error */
893906

894907
/*
895908
* Dumping LOs is the default for dumps where an inclusion switch is not
@@ -1095,6 +1108,7 @@ help(const char *progname)
10951108
printf(_(" -c, --clean clean (drop) database objects before recreating\n"));
10961109
printf(_(" -C, --create include commands to create database in dump\n"));
10971110
printf(_(" -e, --extension=PATTERN dump the specified extension(s) only\n"));
1111+
printf(_(" --exclude-extension=PATTERN do NOT dump the specified extension(s)\n"));
10981112
printf(_(" -E, --encoding=ENCODING dump the data in encoding ENCODING\n"));
10991113
printf(_(" -n, --schema=PATTERN dump the specified schema(s) only\n"));
11001114
printf(_(" -N, --exclude-schema=PATTERN do NOT dump the specified schema(s)\n"));
@@ -2028,6 +2042,12 @@ selectDumpableExtension(ExtensionInfo *extinfo, DumpOptions *dopt)
20282042
extinfo->dobj.dump = extinfo->dobj.dump_contains =
20292043
dopt->include_everything ?
20302044
DUMP_COMPONENT_ALL : DUMP_COMPONENT_NONE;
2045+
2046+
/* check that the extension is not explicitly excluded */
2047+
if (extinfo->dobj.dump &&
2048+
simple_oid_list_member(&extension_exclude_oids,
2049+
extinfo->dobj.catId.oid))
2050+
extinfo->dobj.dump = extinfo->dobj.dump_contains = DUMP_COMPONENT_NONE;
20312051
}
20322052
}
20332053

@@ -18265,6 +18285,15 @@ processExtensionTables(Archive *fout, ExtensionInfo extinfo[],
1826518285
curext->dobj.catId.oid))
1826618286
continue;
1826718287

18288+
/*
18289+
* Check if this extension is listed as to exclude in the dump. If
18290+
* yes, any table data associated with it is discarded.
18291+
*/
18292+
if (extension_exclude_oids.head != NULL &&
18293+
simple_oid_list_member(&extension_exclude_oids,
18294+
curext->dobj.catId.oid))
18295+
continue;
18296+
1826818297
if (strlen(extconfig) != 0 || strlen(extcondition) != 0)
1826918298
{
1827018299
intj;
@@ -18965,14 +18994,16 @@ read_dump_filters(const char *filename, DumpOptions *dopt)
1896518994
case FILTER_OBJECT_TYPE_FUNCTION:
1896618995
case FILTER_OBJECT_TYPE_INDEX:
1896718996
case FILTER_OBJECT_TYPE_TRIGGER:
18968-
case FILTER_OBJECT_TYPE_EXTENSION:
1896918997
case FILTER_OBJECT_TYPE_FOREIGN_DATA:
1897018998
pg_log_filter_error(&fstate, _("%s filter for \"%s\" is not allowed"),
1897118999
"exclude",
1897219000
filter_object_type_name(objtype));
1897319001
exit_nicely(1);
1897419002
break;
1897519003

19004+
case FILTER_OBJECT_TYPE_EXTENSION:
19005+
simple_string_list_append(&extension_exclude_patterns, objname);
19006+
break;
1897619007
case FILTER_OBJECT_TYPE_TABLE_DATA:
1897719008
simple_string_list_append(&tabledata_exclude_patterns,
1897819009
objname);

‎src/test/modules/test_pg_dump/t/001_base.pl

Lines changed: 79 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -220,6 +220,19 @@
220220
'--extension=test_pg_dump','postgres',
221221
],
222222
},
223+
exclude_extension=> {
224+
dump_cmd=> [
225+
'pg_dump','--no-sync',"--file=$tempdir/exclude_extension.sql",
226+
'--exclude-extension=test_pg_dump','postgres',
227+
],
228+
},
229+
exclude_extension_filter=> {
230+
dump_cmd=> [
231+
'pg_dump','--no-sync',
232+
"--file=$tempdir/exclude_extension_filter.sql",
233+
"--filter=$tempdir/exclude_extension_filter.txt",'postgres',
234+
],
235+
},
223236

224237
# plpgsql in the list blocks the dump of extension test_pg_dump
225238
without_extension=> {
@@ -299,6 +312,8 @@
299312
no_owner=> 1,
300313
privileged_internals=> 1,
301314
with_extension=> 1,
315+
exclude_extension=> 1,
316+
exclude_extension_filter=> 1,
302317
without_extension=> 1);
303318

304319
my%tests = (
@@ -325,7 +340,12 @@
325340
schema_only => 1,
326341
section_pre_data => 1,
327342
},
328-
unlike => { binary_upgrade => 1, without_extension => 1 },
343+
unlike => {
344+
binary_upgrade => 1,
345+
exclude_extension => 1,
346+
exclude_extension_filter => 1,
347+
without_extension => 1
348+
},
329349
},
330350
331351
'CREATE ROLE regress_dump_test_role' => {
@@ -434,7 +454,11 @@
434454
section_data => 1,
435455
extension_schema => 1,
436456
},
437-
unlike => { without_extension => 1, },
457+
unlike => {
458+
exclude_extension => 1,
459+
exclude_extension_filter => 1,
460+
without_extension => 1,
461+
},
438462
},
439463
440464
'CREATE TABLE regress_pg_dump_table' => {
@@ -460,6 +484,8 @@
460484
unlike => {
461485
binary_upgrade => 1,
462486
exclude_table => 1,
487+
exclude_extension => 1,
488+
exclude_extension_filter => 1,
463489
without_extension => 1,
464490
},
465491
},
@@ -483,7 +509,12 @@
483509
schema_only => 1,
484510
section_pre_data => 1,
485511
},
486-
unlike => { no_privs => 1, without_extension => 1, },
512+
unlike => {
513+
no_privs => 1,
514+
exclude_extension => 1,
515+
exclude_extension_filter => 1,
516+
without_extension => 1,
517+
},
487518
},
488519
489520
'REVOKE GRANT OPTION FOR UPDATE ON SEQUENCE wgo_then_regular' => {
@@ -500,7 +531,12 @@
500531
schema_only => 1,
501532
section_pre_data => 1,
502533
},
503-
unlike => { no_privs => 1, without_extension => 1, },
534+
unlike => {
535+
no_privs => 1,
536+
exclude_extension => 1,
537+
exclude_extension_filter => 1,
538+
without_extension => 1,
539+
},
504540
},
505541
506542
'CREATE ACCESS METHOD regress_test_am' => {
@@ -520,7 +556,11 @@
520556
schema_only => 1,
521557
section_pre_data => 1,
522558
},
523-
unlike => { without_extension => 1, },
559+
unlike => {
560+
exclude_extension => 1,
561+
exclude_extension_filter => 1,
562+
without_extension => 1,
563+
},
524564
},
525565
526566
'GRANT SELECT regress_pg_dump_table_added pre-ALTER EXTENSION' => {
@@ -545,7 +585,12 @@
545585
schema_only => 1,
546586
section_pre_data => 1,
547587
},
548-
unlike => { no_privs => 1, without_extension => 1, },
588+
unlike => {
589+
no_privs => 1,
590+
exclude_extension => 1,
591+
exclude_extension_filter => 1,
592+
without_extension => 1,
593+
},
549594
},
550595
551596
'GRANT SELECT ON TABLE regress_pg_dump_table' => {
@@ -579,7 +624,12 @@
579624
schema_only => 1,
580625
section_pre_data => 1,
581626
},
582-
unlike => { no_privs => 1, without_extension => 1 },
627+
unlike => {
628+
no_privs => 1,
629+
exclude_extension => 1,
630+
exclude_extension_filter => 1,
631+
without_extension => 1
632+
},
583633
},
584634
585635
'GRANT USAGE ON regress_pg_dump_table_col1_seq TO regress_dump_test_role'
@@ -595,7 +645,12 @@
595645
schema_only => 1,
596646
section_pre_data => 1,
597647
},
598-
unlike => { no_privs => 1, without_extension => 1, },
648+
unlike => {
649+
no_privs => 1,
650+
exclude_extension => 1,
651+
exclude_extension_filter => 1,
652+
without_extension => 1,
653+
},
599654
},
600655
601656
'GRANT USAGE ON regress_pg_dump_seq TO regress_dump_test_role' => {
@@ -617,7 +672,12 @@
617672
schema_only => 1,
618673
section_pre_data => 1,
619674
},
620-
unlike => { no_privs => 1, without_extension => 1, },
675+
unlike => {
676+
no_privs => 1,
677+
exclude_extension => 1,
678+
exclude_extension_filter => 1,
679+
without_extension => 1,
680+
},
621681
},
622682
623683
# Objects included in extension part of a schema created by this extension */
@@ -818,6 +878,16 @@
818878
# Send the combined set of commands to psql
819879
$node->safe_psql('postgres',$create_sql);
820880
881+
#########################################
882+
# Create filter file for exclude_extension_filter test
883+
884+
my$filterfile;
885+
886+
open$filterfile, '>', "$tempdir/exclude_extension_filter.txt"
887+
or die "unable to open filter file for writing";
888+
print$filterfile "exclude extension test_pg_dump\n";
889+
close$filterfile;
890+
821891
#########################################
822892
# Run all runs
823893

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