From: Nathan Bossart <nathandbossart@gmail.com>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Corey Huinker <corey.huinker@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: bump minimum supported version of psql and pg_{dump,dumpall,upgrade} to v10
Date: Wed, 8 Jul 2026 16:43:46 -0500
Message-ID: <ak7Ekv2-L-G55-YD@nathan> (raw)
In-Reply-To: <akapup_Jt0hGO_j3@nathan>
References: <03a21b7e-f33a-430c-99c6-c4cdd84e71f0@dunslane.net>
<1495046.1778938967@sss.pgh.pa.us>
<agh0sZXJ-rd7Fgb4@nathan>
<c183ac21-f18c-4b82-8368-a71a286da209@dunslane.net>
<airEaHxsisyb14ih@nathan>
<akKMWBN8nSjVohcs@nathan>
<CAHGQGwE3-CDsyx1tcMQsDaJMvLhecuiuk4A_RTPtPmhE33iH+g@mail.gmail.com>
<akQkqy1P8vw-1qC9@nathan>
<akU4Vbw25vBP67C8@nathan>
<akapup_Jt0hGO_j3@nathan>
I just noticed that I forgot to update AdjustUpgrade.pm accordingly.
Here's a patch.
--
nathan
From bb49350cf783e10f2f79ed894e53c06f4da82f45 Mon Sep 17 00:00:00 2001
From: Nathan Bossart <nathan@postgresql.org>
Date: Wed, 8 Jul 2026 16:39:17 -0500
Subject: [PATCH v1 1/1] clean up AdjustUpgrade.pm after pg_upgrade min version
bump
---
.../perl/PostgreSQL/Test/AdjustUpgrade.pm | 207 +-----------------
1 file changed, 5 insertions(+), 202 deletions(-)
diff --git a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pmindex 878fcc16a9e..04844298ab3 100644--- a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm+++ b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm@@ -199,15 +199,10 @@ sub adjust_database_contents
'drop operator if exists #@%# (bigint,NONE)');
# get rid of dblink's dependencies on regress.so
- my $regrdb =- $old_version le '9.4'- ? 'contrib_regression'- : 'contrib_regression_dblink';-- if ($dbnames{$regrdb})+ if ($dbnames{'contrib_regression_dblink'})
{
_add_st(
- $result, $regrdb,+ $result, 'contrib_regression_dblink',
'drop function if exists public.putenv(text)',
'drop function if exists public.wait_pid(integer)');
}
@@ -250,7 +245,7 @@ sub adjust_database_contents
}
# this table had OIDs too, but we'll just drop it
- if ($old_version >= 10 && $dbnames{'contrib_regression_postgres_fdw'})+ if ($dbnames{'contrib_regression_postgres_fdw'})
{
_add_st(
$result,
@@ -276,43 +271,13 @@ sub adjust_database_contents
'drop function if exists public.funny_dup17()');
}
- # version-0 C functions are no longer supported- if ($old_version < 10)- {- _add_st($result, 'regression',- 'drop function oldstyle_length(integer, text)');- }-- if ($old_version lt '9.5')- {- # cope with changes of underlying functions- _add_st(- $result,- 'regression',- 'drop operator @#@ (NONE, bigint)',- 'CREATE OPERATOR @#@ ('- . 'PROCEDURE = factorial, RIGHTARG = bigint )',- 'drop aggregate public.array_cat_accum(anyarray)',- 'CREATE AGGREGATE array_larger_accum (anyarray) ' . ' ( '- . ' sfunc = array_larger, '- . ' stype = anyarray, '- . ' initcond = $${}$$ ' . ' ) ');-- # "=>" is no longer valid as an operator name- _add_st($result, 'regression',- 'drop operator if exists public.=> (bigint, NONE)');- }-
# Version 19 changed the output format of pg_lsn. To avoid output
# differences, set all pg_lsn columns to NULL if the old version is
# older than 19.
if ($old_version < 19)
{
- if ($old_version >= '9.5')- {- _add_st($result, 'regression',- "update brintest set lsncol = NULL");- }+ _add_st($result, 'regression',+ "update brintest set lsncol = NULL");
if ($old_version >= 12)
{
@@ -426,107 +391,6 @@ sub adjust_old_dumpfile
/$1 EXECUTE FUNCTION/mgx;
}
- # During pg_upgrade, we reindex hash indexes if the source is pre-v10.- # This may change their tables' relallvisible values, so don't compare- # those.- if ($old_version < 10)- {- $dump =~ s/- (^SELECT\s\*\sFROM\spg_catalog\.pg_restore_relation_stats\(- [^;]*'relation',\s'public\.hash_[a-z0-9]*_heap'::regclass,- [^;]*'relallvisible',)\s'\d+'::integer- /$1 ''::integer/mgx;- }-- if ($old_version lt '9.6')- {- # adjust some places where we don't print so many parens anymore-- my $prefix =- "'New York'\tnew & york | big & apple | nyc\t'new' & 'york'\t";- my $orig = "( 'new' & 'york' | 'big' & 'appl' ) | 'nyc'";- my $repl = "'new' & 'york' | 'big' & 'appl' | 'nyc'";- $dump =~ s/(?<=^\Q$prefix\E)\Q$orig\E/$repl/mg;-- $prefix =- "'Sanct Peter'\tPeterburg | peter | 'Sanct Peterburg'\t'sanct' & 'peter'\t";- $orig = "( 'peterburg' | 'peter' ) | 'sanct' & 'peterburg'";- $repl = "'peterburg' | 'peter' | 'sanct' & 'peterburg'";- $dump =~ s/(?<=^\Q$prefix\E)\Q$orig\E/$repl/mg;- }-- if ($old_version lt '9.5')- {- # adjust some places where we don't print so many parens anymore-- my $prefix = "CONSTRAINT (?:sequence|copy)_con CHECK [(][(]";- my $orig = "((x > 3) AND (y <> 'check failed'::text))";- my $repl = "(x > 3) AND (y <> 'check failed'::text)";- $dump =~ s/($prefix)\Q$orig\E/$1$repl/mg;-- $prefix = "CONSTRAINT insert_con CHECK [(][(]";- $orig = "((x >= 3) AND (y <> 'check failed'::text))";- $repl = "(x >= 3) AND (y <> 'check failed'::text)";- $dump =~ s/($prefix)\Q$orig\E/$1$repl/mg;-- $orig = "DEFAULT ((-1) * currval('public.insert_seq'::regclass))";- $repl =- "DEFAULT ('-1'::integer * currval('public.insert_seq'::regclass))";- $dump =~ s/\Q$orig\E/$repl/mg;-- my $expr =- "(rsl.sl_color = rsh.slcolor) AND (rsl.sl_len_cm >= rsh.slminlen_cm)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;-- $expr =- "(rule_and_refint_t3.id3a = new.id3a) AND (rule_and_refint_t3.id3b = new.id3b)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;-- $expr =- "(rule_and_refint_t3_1.id3a = new.id3a) AND (rule_and_refint_t3_1.id3b = new.id3b)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;- }-- if ($old_version lt '9.3')- {- # CREATE VIEW/RULE statements were not pretty-printed before 9.3.- # To cope, reduce all whitespace sequences within them to one space.- # This must be done on both old and new dumps.- $dump = _mash_view_whitespace($dump);-- # _mash_view_whitespace doesn't handle multi-command rules;- # rather than trying to fix that, just hack the exceptions manually.-- my $prefix =- "CREATE RULE rtest_sys_del AS ON DELETE TO public.rtest_system DO (DELETE FROM public.rtest_interface WHERE (rtest_interface.sysname = old.sysname);";- my $line2 = " DELETE FROM public.rtest_admin";- my $line3 = " WHERE (rtest_admin.sysname = old.sysname);";- $dump =~- s/(?<=\Q$prefix\E)\Q$line2$line3\E \);/\n$line2\n $line3\n);/mg;-- $prefix =- "CREATE RULE rtest_sys_upd AS ON UPDATE TO public.rtest_system DO (UPDATE public.rtest_interface SET sysname = new.sysname WHERE (rtest_interface.sysname = old.sysname);";- $line2 = " UPDATE public.rtest_admin SET sysname = new.sysname";- $line3 = " WHERE (rtest_admin.sysname = old.sysname);";- $dump =~- s/(?<=\Q$prefix\E)\Q$line2$line3\E \);/\n$line2\n $line3\n);/mg;-- # and there's one place where pre-9.3 uses a different table alias- $dump =~ s {^(CREATE\sRULE\srule_and_refint_t3_ins\sAS\s- ON\sINSERT\sTO\spublic\.rule_and_refint_t3\s- WHERE\s\(EXISTS\s\(SELECT\s1\sFROM\spublic\.rule_and_refint_t3)\s- (WHERE\s\(\(rule_and_refint_t3)- (\.id3a\s=\snew\.id3a\)\sAND\s\(rule_and_refint_t3)- (\.id3b\s=\snew\.id3b\)\sAND\s\(rule_and_refint_t3)}- {$1 rule_and_refint_t3_1 $2_1$3_1$4_1}mx;-- # Also fix old use of NATURAL JOIN syntax- $dump =~ s {NATURAL JOIN public\.credit_card r}- {JOIN public.credit_card r USING (cid)}mg;- $dump =~ s {NATURAL JOIN public\.credit_usage r}- {JOIN public.credit_usage r USING (cid)}mg;- }-
# Suppress blank lines, as some places in pg_dump emit more or fewer.
$dump =~ s/\n\n+/\n/g;
@@ -661,37 +525,6 @@ sub _mash_view_qualifiers
return $dump;
}
--# Internal subroutine to mangle whitespace within view/rule commands.-# Any consecutive sequence of whitespace is reduced to one space.-sub _mash_view_whitespace-{- my ($dump) = @_;-- foreach my $leader ('CREATE VIEW', 'CREATE RULE')- {- my @splitchunks = split $leader, $dump;-- $dump = shift(@splitchunks);- foreach my $chunk (@splitchunks)- {- my @thischunks = split /;/, $chunk, 2;- my $stmt = shift(@thischunks);-- # now $stmt is just the body of the CREATE VIEW/RULE- $stmt =~ s/\s+/ /sg;- # we also need to smash these forms for sub-selects and rules- $stmt =~ s/\( SELECT/(SELECT/g;- $stmt =~ s/\( INSERT/(INSERT/g;- $stmt =~ s/\( UPDATE/(UPDATE/g;- $stmt =~ s/\( DELETE/(DELETE/g;-- $dump .= $leader . $stmt . ';' . $thischunks[0];- }- }- return $dump;-}-
=pod
=item adjust_new_dumpfile($old_version, $dump)
@@ -779,36 +612,6 @@ sub adjust_new_dumpfile
$dump =~ s/^SET default_table_access_method = heap;\n//mg;
}
- # During pg_upgrade, we reindex hash indexes if the source is pre-v10.- # This may change their tables' relallvisible values, so don't compare- # those.- if ($old_version < 10)- {- $dump =~ s/- (^SELECT\s\*\sFROM\spg_catalog\.pg_restore_relation_stats\(- [^;]*'relation',\s'public\.hash_[a-z0-9]*_heap'::regclass,- [^;]*'relallvisible',)\s'\d+'::integer- /$1 ''::integer/mgx;- }-- # dumps from pre-9.6 dblink may include redundant ACL settings- if ($old_version lt '9.6')- {- my $comment =- "-- Name: FUNCTION dblink_connect_u\(.*?\); Type: ACL; Schema: public; Owner: .*";- my $sql =- "REVOKE ALL ON FUNCTION public\.dblink_connect_u\(.*?\) FROM PUBLIC;";- $dump =~ s/^--\n$comment\n--\n+$sql\n+//mg;- }-- if ($old_version lt '9.3')- {- # CREATE VIEW/RULE statements were not pretty-printed before 9.3.- # To cope, reduce all whitespace sequences within them to one space.- # This must be done on both old and new dumps.- $dump = _mash_view_whitespace($dump);- }-
# Suppress blank lines, as some places in pg_dump emit more or fewer.
$dump =~ s/\n\n+/\n/g;
--
2.50.1 (Apple Git-155)
Attachments:
[text/plain] v1-0001-clean-up-AdjustUpgrade.pm-after-pg_upgrade-min-ve.patch (9.0K, ../ak7Ekv2-L-G55-YD@nathan/2-v1-0001-clean-up-AdjustUpgrade.pm-after-pg_upgrade-min-ve.patch)
download | inline diff:
From bb49350cf783e10f2f79ed894e53c06f4da82f45 Mon Sep 17 00:00:00 2001
From: Nathan Bossart <nathan@postgresql.org>
Date: Wed, 8 Jul 2026 16:39:17 -0500
Subject: [PATCH v1 1/1] clean up AdjustUpgrade.pm after pg_upgrade min version
bump
---
.../perl/PostgreSQL/Test/AdjustUpgrade.pm | 207 +-----------------
1 file changed, 5 insertions(+), 202 deletions(-)
diff --git a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pmindex 878fcc16a9e..04844298ab3 100644--- a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm+++ b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm@@ -199,15 +199,10 @@ sub adjust_database_contents
'drop operator if exists #@%# (bigint,NONE)');
# get rid of dblink's dependencies on regress.so
- my $regrdb =- $old_version le '9.4'- ? 'contrib_regression'- : 'contrib_regression_dblink';-- if ($dbnames{$regrdb})+ if ($dbnames{'contrib_regression_dblink'})
{
_add_st(
- $result, $regrdb,+ $result, 'contrib_regression_dblink',
'drop function if exists public.putenv(text)',
'drop function if exists public.wait_pid(integer)');
}
@@ -250,7 +245,7 @@ sub adjust_database_contents
}
# this table had OIDs too, but we'll just drop it
- if ($old_version >= 10 && $dbnames{'contrib_regression_postgres_fdw'})+ if ($dbnames{'contrib_regression_postgres_fdw'})
{
_add_st(
$result,
@@ -276,43 +271,13 @@ sub adjust_database_contents
'drop function if exists public.funny_dup17()');
}
- # version-0 C functions are no longer supported- if ($old_version < 10)- {- _add_st($result, 'regression',- 'drop function oldstyle_length(integer, text)');- }-- if ($old_version lt '9.5')- {- # cope with changes of underlying functions- _add_st(- $result,- 'regression',- 'drop operator @#@ (NONE, bigint)',- 'CREATE OPERATOR @#@ ('- . 'PROCEDURE = factorial, RIGHTARG = bigint )',- 'drop aggregate public.array_cat_accum(anyarray)',- 'CREATE AGGREGATE array_larger_accum (anyarray) ' . ' ( '- . ' sfunc = array_larger, '- . ' stype = anyarray, '- . ' initcond = $${}$$ ' . ' ) ');-- # "=>" is no longer valid as an operator name- _add_st($result, 'regression',- 'drop operator if exists public.=> (bigint, NONE)');- }-
# Version 19 changed the output format of pg_lsn. To avoid output
# differences, set all pg_lsn columns to NULL if the old version is
# older than 19.
if ($old_version < 19)
{
- if ($old_version >= '9.5')- {- _add_st($result, 'regression',- "update brintest set lsncol = NULL");- }+ _add_st($result, 'regression',+ "update brintest set lsncol = NULL");
if ($old_version >= 12)
{
@@ -426,107 +391,6 @@ sub adjust_old_dumpfile
/$1 EXECUTE FUNCTION/mgx;
}
- # During pg_upgrade, we reindex hash indexes if the source is pre-v10.- # This may change their tables' relallvisible values, so don't compare- # those.- if ($old_version < 10)- {- $dump =~ s/- (^SELECT\s\*\sFROM\spg_catalog\.pg_restore_relation_stats\(- [^;]*'relation',\s'public\.hash_[a-z0-9]*_heap'::regclass,- [^;]*'relallvisible',)\s'\d+'::integer- /$1 ''::integer/mgx;- }-- if ($old_version lt '9.6')- {- # adjust some places where we don't print so many parens anymore-- my $prefix =- "'New York'\tnew & york | big & apple | nyc\t'new' & 'york'\t";- my $orig = "( 'new' & 'york' | 'big' & 'appl' ) | 'nyc'";- my $repl = "'new' & 'york' | 'big' & 'appl' | 'nyc'";- $dump =~ s/(?<=^\Q$prefix\E)\Q$orig\E/$repl/mg;-- $prefix =- "'Sanct Peter'\tPeterburg | peter | 'Sanct Peterburg'\t'sanct' & 'peter'\t";- $orig = "( 'peterburg' | 'peter' ) | 'sanct' & 'peterburg'";- $repl = "'peterburg' | 'peter' | 'sanct' & 'peterburg'";- $dump =~ s/(?<=^\Q$prefix\E)\Q$orig\E/$repl/mg;- }-- if ($old_version lt '9.5')- {- # adjust some places where we don't print so many parens anymore-- my $prefix = "CONSTRAINT (?:sequence|copy)_con CHECK [(][(]";- my $orig = "((x > 3) AND (y <> 'check failed'::text))";- my $repl = "(x > 3) AND (y <> 'check failed'::text)";- $dump =~ s/($prefix)\Q$orig\E/$1$repl/mg;-- $prefix = "CONSTRAINT insert_con CHECK [(][(]";- $orig = "((x >= 3) AND (y <> 'check failed'::text))";- $repl = "(x >= 3) AND (y <> 'check failed'::text)";- $dump =~ s/($prefix)\Q$orig\E/$1$repl/mg;-- $orig = "DEFAULT ((-1) * currval('public.insert_seq'::regclass))";- $repl =- "DEFAULT ('-1'::integer * currval('public.insert_seq'::regclass))";- $dump =~ s/\Q$orig\E/$repl/mg;-- my $expr =- "(rsl.sl_color = rsh.slcolor) AND (rsl.sl_len_cm >= rsh.slminlen_cm)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;-- $expr =- "(rule_and_refint_t3.id3a = new.id3a) AND (rule_and_refint_t3.id3b = new.id3b)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;-- $expr =- "(rule_and_refint_t3_1.id3a = new.id3a) AND (rule_and_refint_t3_1.id3b = new.id3b)";- $dump =~ s/WHERE \(\(\Q$expr\E\)/WHERE ($expr/g;- }-- if ($old_version lt '9.3')- {- # CREATE VIEW/RULE statements were not pretty-printed before 9.3.- # To cope, reduce all whitespace sequences within them to one space.- # This must be done on both old and new dumps.- $dump = _mash_view_whitespace($dump);-- # _mash_view_whitespace doesn't handle multi-command rules;- # rather than trying to fix that, just hack the exceptions manually.-- my $prefix =- "CREATE RULE rtest_sys_del AS ON DELETE TO public.rtest_system DO (DELETE FROM public.rtest_interface WHERE (rtest_interface.sysname = old.sysname);";- my $line2 = " DELETE FROM public.rtest_admin";- my $line3 = " WHERE (rtest_admin.sysname = old.sysname);";- $dump =~- s/(?<=\Q$prefix\E)\Q$line2$line3\E \);/\n$line2\n $line3\n);/mg;-- $prefix =- "CREATE RULE rtest_sys_upd AS ON UPDATE TO public.rtest_system DO (UPDATE public.rtest_interface SET sysname = new.sysname WHERE (rtest_interface.sysname = old.sysname);";- $line2 = " UPDATE public.rtest_admin SET sysname = new.sysname";- $line3 = " WHERE (rtest_admin.sysname = old.sysname);";- $dump =~- s/(?<=\Q$prefix\E)\Q$line2$line3\E \);/\n$line2\n $line3\n);/mg;-- # and there's one place where pre-9.3 uses a different table alias- $dump =~ s {^(CREATE\sRULE\srule_and_refint_t3_ins\sAS\s- ON\sINSERT\sTO\spublic\.rule_and_refint_t3\s- WHERE\s\(EXISTS\s\(SELECT\s1\sFROM\spublic\.rule_and_refint_t3)\s- (WHERE\s\(\(rule_and_refint_t3)- (\.id3a\s=\snew\.id3a\)\sAND\s\(rule_and_refint_t3)- (\.id3b\s=\snew\.id3b\)\sAND\s\(rule_and_refint_t3)}- {$1 rule_and_refint_t3_1 $2_1$3_1$4_1}mx;-- # Also fix old use of NATURAL JOIN syntax- $dump =~ s {NATURAL JOIN public\.credit_card r}- {JOIN public.credit_card r USING (cid)}mg;- $dump =~ s {NATURAL JOIN public\.credit_usage r}- {JOIN public.credit_usage r USING (cid)}mg;- }-
# Suppress blank lines, as some places in pg_dump emit more or fewer.
$dump =~ s/\n\n+/\n/g;
@@ -661,37 +525,6 @@ sub _mash_view_qualifiers
return $dump;
}
--# Internal subroutine to mangle whitespace within view/rule commands.-# Any consecutive sequence of whitespace is reduced to one space.-sub _mash_view_whitespace-{- my ($dump) = @_;-- foreach my $leader ('CREATE VIEW', 'CREATE RULE')- {- my @splitchunks = split $leader, $dump;-- $dump = shift(@splitchunks);- foreach my $chunk (@splitchunks)- {- my @thischunks = split /;/, $chunk, 2;- my $stmt = shift(@thischunks);-- # now $stmt is just the body of the CREATE VIEW/RULE- $stmt =~ s/\s+/ /sg;- # we also need to smash these forms for sub-selects and rules- $stmt =~ s/\( SELECT/(SELECT/g;- $stmt =~ s/\( INSERT/(INSERT/g;- $stmt =~ s/\( UPDATE/(UPDATE/g;- $stmt =~ s/\( DELETE/(DELETE/g;-- $dump .= $leader . $stmt . ';' . $thischunks[0];- }- }- return $dump;-}-
=pod
=item adjust_new_dumpfile($old_version, $dump)
@@ -779,36 +612,6 @@ sub adjust_new_dumpfile
$dump =~ s/^SET default_table_access_method = heap;\n//mg;
}
- # During pg_upgrade, we reindex hash indexes if the source is pre-v10.- # This may change their tables' relallvisible values, so don't compare- # those.- if ($old_version < 10)- {- $dump =~ s/- (^SELECT\s\*\sFROM\spg_catalog\.pg_restore_relation_stats\(- [^;]*'relation',\s'public\.hash_[a-z0-9]*_heap'::regclass,- [^;]*'relallvisible',)\s'\d+'::integer- /$1 ''::integer/mgx;- }-- # dumps from pre-9.6 dblink may include redundant ACL settings- if ($old_version lt '9.6')- {- my $comment =- "-- Name: FUNCTION dblink_connect_u\(.*?\); Type: ACL; Schema: public; Owner: .*";- my $sql =- "REVOKE ALL ON FUNCTION public\.dblink_connect_u\(.*?\) FROM PUBLIC;";- $dump =~ s/^--\n$comment\n--\n+$sql\n+//mg;- }-- if ($old_version lt '9.3')- {- # CREATE VIEW/RULE statements were not pretty-printed before 9.3.- # To cope, reduce all whitespace sequences within them to one space.- # This must be done on both old and new dumps.- $dump = _mash_view_whitespace($dump);- }-
# Suppress blank lines, as some places in pg_dump emit more or fewer.
$dump =~ s/\n\n+/\n/g;
--
2.50.1 (Apple Git-155)
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To: pgsql-hackers@postgresql.org
Cc: nathandbossart@gmail.com, masao.fujii@gmail.com, andrew@dunslane.net, tgl@sss.pgh.pa.us, corey.huinker@gmail.com
Subject: Re: bump minimum supported version of psql and pg_{dump,dumpall,upgrade} to v10
In-Reply-To: <ak7Ekv2-L-G55-YD@nathan>
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