From 270e212e9f7524b96383387d62765185034fd59f Mon Sep 17 00:00:00 2001
From: Michael Paquier <michael@paquier.xyz>
Date: Fri, 24 May 2024 13:59:00 +0900
Subject: [PATCH] Cleanup perl code from unused variables and routines
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This commit removes unused variables and routines from some perl code
that have accumulated across the years.  This concerns various areas:
the script for wait events, AdjustUpgrade.pm and TAP code.

Author: Alexander Lakhin
Reviewed-by: Dagfinn Ilmari Mannsåker
Discussion: https://postgr.es/m/70b340bc-244a-589d-ef8b-d8aebb707a84@gmail.com
---
 .../utils/activity/generate-wait_event_types.pl   |  2 --
 src/bin/pg_dump/t/003_pg_dump_with_server.pl      |  1 -
 src/bin/pg_dump/t/005_pg_dump_filterfile.pl       |  1 -
 .../t/001_mutated_bindpasswd.pl                   |  4 ----
 .../ssl_passphrase_callback/t/001_testfunc.pl     |  1 -
 src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm    |  1 -
 src/test/recovery/t/021_row_visibility.pl         |  1 -
 src/test/recovery/t/032_relfilenode_reuse.pl      |  1 -
 .../recovery/t/035_standby_logical_decoding.pl    |  5 +----
 contrib/amcheck/t/001_verify_heapam.pl            | 15 +--------------
 contrib/amcheck/t/002_cic.pl                      |  2 +-
 11 files changed, 3 insertions(+), 31 deletions(-)

diff --git a/src/backend/utils/activity/generate-wait_event_types.pl b/src/backend/utils/activity/generate-wait_event_types.pl
index 42f36f405b..b2d61bd8ba 100644
--- a/src/backend/utils/activity/generate-wait_event_types.pl
+++ b/src/backend/utils/activity/generate-wait_event_types.pl
@@ -42,8 +42,6 @@ my @abi_compatibility_lines;
 my @lines;
 my $abi_compatibility = 0;
 my $section_name;
-my $note;
-my $note_name;
 
 # Remove comments and empty lines and add waitclassname based on the section
 while (<$wait_event_names>)
diff --git a/src/bin/pg_dump/t/003_pg_dump_with_server.pl b/src/bin/pg_dump/t/003_pg_dump_with_server.pl
index b5a1445550..3f549f44e7 100644
--- a/src/bin/pg_dump/t/003_pg_dump_with_server.pl
+++ b/src/bin/pg_dump/t/003_pg_dump_with_server.pl
@@ -26,7 +26,6 @@ $node->safe_psql('postgres', "CREATE SERVER s1 FOREIGN DATA WRAPPER dummy");
 $node->safe_psql('postgres', "CREATE SERVER s2 FOREIGN DATA WRAPPER dummy");
 $node->safe_psql('postgres', "CREATE FOREIGN TABLE t0 (a int) SERVER s0");
 $node->safe_psql('postgres', "CREATE FOREIGN TABLE t1 (a int) SERVER s1");
-my ($cmd, $stdout, $stderr, $result);
 
 command_fails_like(
 	[ "pg_dump", '-p', $port, '--include-foreign-data=s0', 'postgres' ],
diff --git a/src/bin/pg_dump/t/005_pg_dump_filterfile.pl b/src/bin/pg_dump/t/005_pg_dump_filterfile.pl
index a80e13a0d3..6025bb296c 100644
--- a/src/bin/pg_dump/t/005_pg_dump_filterfile.pl
+++ b/src/bin/pg_dump/t/005_pg_dump_filterfile.pl
@@ -81,7 +81,6 @@ $node->safe_psql('sourcedb',
 #
 # Test interaction of correctly specified filter file
 #
-my ($cmd, $stdout, $stderr, $result);
 
 # Empty filterfile
 open $inputfile, '>', "$tempdir/inputfile.txt"
diff --git a/src/test/modules/ldap_password_func/t/001_mutated_bindpasswd.pl b/src/test/modules/ldap_password_func/t/001_mutated_bindpasswd.pl
index b990e7d101..82b1cb88e9 100644
--- a/src/test/modules/ldap_password_func/t/001_mutated_bindpasswd.pl
+++ b/src/test/modules/ldap_password_func/t/001_mutated_bindpasswd.pl
@@ -12,10 +12,6 @@ use Test::More;
 use lib "$FindBin::RealBin/../../../ldap";
 use LdapServer;
 
-my ($slapd, $ldap_bin_dir, $ldap_schema_dir);
-
-$ldap_bin_dir = undef;    # usually in PATH
-
 if ($ENV{with_ldap} ne 'yes')
 {
 	plan skip_all => 'LDAP not supported by this build';
diff --git a/src/test/modules/ssl_passphrase_callback/t/001_testfunc.pl b/src/test/modules/ssl_passphrase_callback/t/001_testfunc.pl
index 7a63539f39..f71d0ff3e0 100644
--- a/src/test/modules/ssl_passphrase_callback/t/001_testfunc.pl
+++ b/src/test/modules/ssl_passphrase_callback/t/001_testfunc.pl
@@ -15,7 +15,6 @@ unless (($ENV{with_ssl} || "") eq 'openssl')
 	plan skip_all => 'OpenSSL not supported by this build';
 }
 
-my $clearpass = "FooBaR1";
 my $rot13pass = "SbbOnE1";
 
 # see the Makefile for how the certificate and key have been generated
diff --git a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm
index 3cec72d9d4..239c17aced 100644
--- a/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm
+++ b/src/test/perl/PostgreSQL/Test/AdjustUpgrade.pm
@@ -534,7 +534,6 @@ sub _mash_view_qualifiers
 		{
 			my @thischunks = split /;/, $chunk, 2;
 			my $stmt = shift(@thischunks);
-			my $ostmt = $stmt;
 
 			# now $stmt is just the body of the CREATE [MATERIALIZED] VIEW
 			$stmt =~ s/$qualifier\.//g;
diff --git a/src/test/recovery/t/021_row_visibility.pl b/src/test/recovery/t/021_row_visibility.pl
index 255caffb19..d046137601 100644
--- a/src/test/recovery/t/021_row_visibility.pl
+++ b/src/test/recovery/t/021_row_visibility.pl
@@ -168,7 +168,6 @@ $node_standby->stop;
 sub send_query_and_wait
 {
 	my ($psql, $query, $untl) = @_;
-	my $ret;
 
 	# send query
 	$$psql{stdin} .= $query;
diff --git a/src/test/recovery/t/032_relfilenode_reuse.pl b/src/test/recovery/t/032_relfilenode_reuse.pl
index 96a8104b80..d473cd167c 100644
--- a/src/test/recovery/t/032_relfilenode_reuse.pl
+++ b/src/test/recovery/t/032_relfilenode_reuse.pl
@@ -205,7 +205,6 @@ sub cause_eviction
 sub send_query_and_wait
 {
 	my ($psql, $query, $untl) = @_;
-	my $ret;
 
 	# For each query we run, we'll restart the timeout.  Otherwise the timeout
 	# would apply to the whole test script, and would need to be set very high
diff --git a/src/test/recovery/t/035_standby_logical_decoding.pl b/src/test/recovery/t/035_standby_logical_decoding.pl
index 4628f9fb80..4185b803b2 100644
--- a/src/test/recovery/t/035_standby_logical_decoding.pl
+++ b/src/test/recovery/t/035_standby_logical_decoding.pl
@@ -10,10 +10,7 @@ use PostgreSQL::Test::Cluster;
 use PostgreSQL::Test::Utils;
 use Test::More;
 
-my ($stdin, $stdout, $stderr,
-	$cascading_stdout, $cascading_stderr, $subscriber_stdin,
-	$subscriber_stdout, $subscriber_stderr, $ret,
-	$handle, $slot);
+my ($stdout, $stderr, $cascading_stdout, $cascading_stderr, $handle);
 
 my $node_primary = PostgreSQL::Test::Cluster->new('primary');
 my $node_standby = PostgreSQL::Test::Cluster->new('standby');
diff --git a/contrib/amcheck/t/001_verify_heapam.pl b/contrib/amcheck/t/001_verify_heapam.pl
index 9de3148277..481e4dbe4f 100644
--- a/contrib/amcheck/t/001_verify_heapam.pl
+++ b/contrib/amcheck/t/001_verify_heapam.pl
@@ -9,7 +9,7 @@ use PostgreSQL::Test::Utils;
 
 use Test::More;
 
-my ($node, $result);
+my $node;
 
 #
 # Test set-up
@@ -87,19 +87,6 @@ sub relation_filepath
 	return "$pgdata/$rel";
 }
 
-# Returns the fully qualified name of the toast table for the named relation
-sub get_toast_for
-{
-	my ($relname) = @_;
-
-	return $node->safe_psql(
-		'postgres', qq(
-		SELECT 'pg_toast.' || t.relname
-			FROM pg_catalog.pg_class c, pg_catalog.pg_class t
-			WHERE c.relname = '$relname'
-			  AND c.reltoastrelid = t.oid));
-}
-
 # (Re)create and populate a test table of the given name.
 sub fresh_test_table
 {
diff --git a/contrib/amcheck/t/002_cic.pl b/contrib/amcheck/t/002_cic.pl
index 53a3db9745..0207407ca0 100644
--- a/contrib/amcheck/t/002_cic.pl
+++ b/contrib/amcheck/t/002_cic.pl
@@ -10,7 +10,7 @@ use PostgreSQL::Test::Utils;
 
 use Test::More;
 
-my ($node, $result);
+my $node;
 
 #
 # Test set-up
-- 
2.43.0

