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mirror of https://github.com/postgres/postgres.git synced 2026-10-23 13:29:09 +03:00

Remove code for pre-v10 servers from AdjustUpgrade.pm.

We recently removed support for upgrading from pre-v10 servers, so
we no longer need to handle older versions in this helper module.

Oversight in commit 14d8418083.

Discussion: https://postgr.es/m/ak7Ekv2-L-G55-YD%40nathan
This commit is contained in:
Nathan Bossart
2026-07-31 09:57:24 -05:00
parent 60826a352d
commit a71825973a

View File

@@ -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" is no longer valid as an operator name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;