Update copyright for 2023

Backpatch-through: 11

65 files changed, 65 insertions, 65 deletions

diff --git a/src/interfaces/ecpg/compatlib/Makefile b/src/interfaces/ecpg/compatlib/Makefile
index 62b8a8c12cc..da470e54186 100644
--- a/src/interfaces/ecpg/compatlib/Makefile
+++ b/src/interfaces/ecpg/compatlib/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for ecpg compatibility library
 #
-# Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+# Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
 # src/interfaces/ecpg/compatlib/Makefile
diff --git a/src/interfaces/ecpg/compatlib/meson.build b/src/interfaces/ecpg/compatlib/meson.build
index a3f56bece83..16d73db88bb 100644
--- a/src/interfaces/ecpg/compatlib/meson.build
+++ b/src/interfaces/ecpg/compatlib/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpg_compat_sources = files(
   'informix.c',
diff --git a/src/interfaces/ecpg/ecpglib/Makefile b/src/interfaces/ecpg/ecpglib/Makefile
index 844fc6eb6ec..6fadebf53db 100644
--- a/src/interfaces/ecpg/ecpglib/Makefile
+++ b/src/interfaces/ecpg/ecpglib/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for ecpg library
 #
-# Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+# Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
 # src/interfaces/ecpg/ecpglib/Makefile
diff --git a/src/interfaces/ecpg/ecpglib/meson.build b/src/interfaces/ecpg/ecpglib/meson.build
index 1d3557132f3..dba9e3c3d94 100644
--- a/src/interfaces/ecpg/ecpglib/meson.build
+++ b/src/interfaces/ecpg/ecpglib/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpglib_sources = files(
   'connect.c',
diff --git a/src/interfaces/ecpg/ecpglib/po/meson.build b/src/interfaces/ecpg/ecpglib/po/meson.build
index d32ec95b949..95e748d9fa5 100644
--- a/src/interfaces/ecpg/ecpglib/po/meson.build
+++ b/src/interfaces/ecpg/ecpglib/po/meson.build
@@ -1,3 +1,3 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 i18n.gettext('ecpglib' + '6' + '-' + pg_version_major.to_string())
diff --git a/src/interfaces/ecpg/include/meson.build b/src/interfaces/ecpg/include/meson.build
index 887d176270f..2278f0d3055 100644
--- a/src/interfaces/ecpg/include/meson.build
+++ b/src/interfaces/ecpg/include/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpg_inc = include_directories('.')
 
diff --git a/src/interfaces/ecpg/meson.build b/src/interfaces/ecpg/meson.build
index 3028ab50361..57e3656c1c2 100644
--- a/src/interfaces/ecpg/meson.build
+++ b/src/interfaces/ecpg/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpg_targets = []
 
diff --git a/src/interfaces/ecpg/pgtypeslib/Makefile b/src/interfaces/ecpg/pgtypeslib/Makefile
index 13ef992ee72..b0e154eb15f 100644
--- a/src/interfaces/ecpg/pgtypeslib/Makefile
+++ b/src/interfaces/ecpg/pgtypeslib/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for ecpg pgtypes library
 #
-# Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+# Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
 # src/interfaces/ecpg/pgtypeslib/Makefile
diff --git a/src/interfaces/ecpg/pgtypeslib/meson.build b/src/interfaces/ecpg/pgtypeslib/meson.build
index 39d6bb5667d..f177dd35a9c 100644
--- a/src/interfaces/ecpg/pgtypeslib/meson.build
+++ b/src/interfaces/ecpg/pgtypeslib/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpg_pgtypes_sources = files(
   'common.c',
diff --git a/src/interfaces/ecpg/preproc/Makefile b/src/interfaces/ecpg/preproc/Makefile
index 3f33f4638fd..77ae9ab722e 100644
--- a/src/interfaces/ecpg/preproc/Makefile
+++ b/src/interfaces/ecpg/preproc/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for src/interfaces/ecpg/preproc
 #
-# Copyright (c) 1998-2022, PostgreSQL Global Development Group
+# Copyright (c) 1998-2023, PostgreSQL Global Development Group
 #
 # src/interfaces/ecpg/preproc/Makefile
 #
diff --git a/src/interfaces/ecpg/preproc/c_kwlist.h b/src/interfaces/ecpg/preproc/c_kwlist.h
index f99e3d74bcb..6a0fa68203e 100644
--- a/src/interfaces/ecpg/preproc/c_kwlist.h
+++ b/src/interfaces/ecpg/preproc/c_kwlist.h
@@ -7,7 +7,7 @@
  * by the PG_KEYWORD macro, which is not defined in this file; it can
  * be defined by the caller for special purposes.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/ecpg/preproc/c_kwlist.h
diff --git a/src/interfaces/ecpg/preproc/check_rules.pl b/src/interfaces/ecpg/preproc/check_rules.pl
index 23a3741993b..f28562bf540 100644
--- a/src/interfaces/ecpg/preproc/check_rules.pl
+++ b/src/interfaces/ecpg/preproc/check_rules.pl
@@ -3,7 +3,7 @@
 # test parser generator for ecpg
 # call with backend grammar as stdin
 #
-# Copyright (c) 2009-2022, PostgreSQL Global Development Group
+# Copyright (c) 2009-2023, PostgreSQL Global Development Group
 #
 # Written by Michael Meskes <[email protected]>
 #            Andy Colson <[email protected]>
diff --git a/src/interfaces/ecpg/preproc/ecpg.c b/src/interfaces/ecpg/preproc/ecpg.c
index 1790a5844fa..16cfc49e5e3 100644
--- a/src/interfaces/ecpg/preproc/ecpg.c
+++ b/src/interfaces/ecpg/preproc/ecpg.c
@@ -1,7 +1,7 @@
 /* src/interfaces/ecpg/preproc/ecpg.c */
 
 /* Main for ecpg, the PostgreSQL embedded SQL precompiler. */
-/* Copyright (c) 1996-2022, PostgreSQL Global Development Group */
+/* Copyright (c) 1996-2023, PostgreSQL Global Development Group */
 
 #include "postgres_fe.h"
 
diff --git a/src/interfaces/ecpg/preproc/ecpg_kwlist.h b/src/interfaces/ecpg/preproc/ecpg_kwlist.h
index 0332e985442..42b3f1f115f 100644
--- a/src/interfaces/ecpg/preproc/ecpg_kwlist.h
+++ b/src/interfaces/ecpg/preproc/ecpg_kwlist.h
@@ -7,7 +7,7 @@
  * by the PG_KEYWORD macro, which is not defined in this file; it can
  * be defined by the caller for special purposes.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/ecpg/preproc/ecpg_kwlist.h
diff --git a/src/interfaces/ecpg/preproc/keywords.c b/src/interfaces/ecpg/preproc/keywords.c
index 16e65745298..e7956ab3f48 100644
--- a/src/interfaces/ecpg/preproc/keywords.c
+++ b/src/interfaces/ecpg/preproc/keywords.c
@@ -4,7 +4,7 @@
  *	  lexical token lookup for key words in PostgreSQL
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/ecpg/preproc/meson.build b/src/interfaces/ecpg/preproc/meson.build
index 31206608c3a..08d772d2614 100644
--- a/src/interfaces/ecpg/preproc/meson.build
+++ b/src/interfaces/ecpg/preproc/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 ecpg_sources = files(
   '../ecpglib/typename.c',
diff --git a/src/interfaces/ecpg/preproc/parse.pl b/src/interfaces/ecpg/preproc/parse.pl
index 8925e24a301..296cd7193c7 100644
--- a/src/interfaces/ecpg/preproc/parse.pl
+++ b/src/interfaces/ecpg/preproc/parse.pl
@@ -3,7 +3,7 @@
 # parser generator for ecpg version 2
 # call with backend parser as stdin
 #
-# Copyright (c) 2007-2022, PostgreSQL Global Development Group
+# Copyright (c) 2007-2023, PostgreSQL Global Development Group
 #
 # Written by Mike Aubury <[email protected]>
 #            Michael Meskes <[email protected]>
diff --git a/src/interfaces/ecpg/preproc/parser.c b/src/interfaces/ecpg/preproc/parser.c
index a44e07a17ab..f447dc5d84b 100644
--- a/src/interfaces/ecpg/preproc/parser.c
+++ b/src/interfaces/ecpg/preproc/parser.c
@@ -10,7 +10,7 @@
  * This file will need work if we ever want it to.
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index 2c09c6cb4f3..75815bddb74 100644
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -10,7 +10,7 @@
  * only here to simplify syncing this file with scan.l.
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/ecpg/preproc/po/meson.build b/src/interfaces/ecpg/preproc/po/meson.build
index f027da11db5..1b2ff116547 100644
--- a/src/interfaces/ecpg/preproc/po/meson.build
+++ b/src/interfaces/ecpg/preproc/po/meson.build
@@ -1,3 +1,3 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 i18n.gettext('ecpg-' + pg_version_major.to_string())
diff --git a/src/interfaces/ecpg/test/compat_informix/meson.build b/src/interfaces/ecpg/test/compat_informix/meson.build
index 2d5ea6e6ad3..e2f8802330d 100644
--- a/src/interfaces/ecpg/test/compat_informix/meson.build
+++ b/src/interfaces/ecpg/test/compat_informix/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'charfuncs',
diff --git a/src/interfaces/ecpg/test/compat_oracle/meson.build b/src/interfaces/ecpg/test/compat_oracle/meson.build
index f3e8dc201f7..f07d9859d10 100644
--- a/src/interfaces/ecpg/test/compat_oracle/meson.build
+++ b/src/interfaces/ecpg/test/compat_oracle/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'char_array',
diff --git a/src/interfaces/ecpg/test/connect/meson.build b/src/interfaces/ecpg/test/connect/meson.build
index ece14f30879..453fd9d1be9 100644
--- a/src/interfaces/ecpg/test/connect/meson.build
+++ b/src/interfaces/ecpg/test/connect/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'test1',
diff --git a/src/interfaces/ecpg/test/meson.build b/src/interfaces/ecpg/test/meson.build
index 279b7d2254b..d0be73ccf98 100644
--- a/src/interfaces/ecpg/test/meson.build
+++ b/src/interfaces/ecpg/test/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 # can't run ecpg to build test dependencies, at least not without an emulator
 if meson.is_cross_build()
diff --git a/src/interfaces/ecpg/test/pg_regress_ecpg.c b/src/interfaces/ecpg/test/pg_regress_ecpg.c
index 84e45ceebe0..ea7add84a21 100644
--- a/src/interfaces/ecpg/test/pg_regress_ecpg.c
+++ b/src/interfaces/ecpg/test/pg_regress_ecpg.c
@@ -8,7 +8,7 @@
  *
  * This code is released under the terms of the PostgreSQL License.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/ecpg/test/pg_regress_ecpg.c
diff --git a/src/interfaces/ecpg/test/pgtypeslib/meson.build b/src/interfaces/ecpg/test/pgtypeslib/meson.build
index 1af4b93acb6..ae9bb1d6e3f 100644
--- a/src/interfaces/ecpg/test/pgtypeslib/meson.build
+++ b/src/interfaces/ecpg/test/pgtypeslib/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'dt_test',
diff --git a/src/interfaces/ecpg/test/preproc/meson.build b/src/interfaces/ecpg/test/preproc/meson.build
index de0399e394c..8ea77a2050f 100644
--- a/src/interfaces/ecpg/test/preproc/meson.build
+++ b/src/interfaces/ecpg/test/preproc/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'array_of_struct',
diff --git a/src/interfaces/ecpg/test/sql/meson.build b/src/interfaces/ecpg/test/sql/meson.build
index d216b8b973d..5149a738108 100644
--- a/src/interfaces/ecpg/test/sql/meson.build
+++ b/src/interfaces/ecpg/test/sql/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'array',
diff --git a/src/interfaces/ecpg/test/thread/meson.build b/src/interfaces/ecpg/test/thread/meson.build
index a884eec1501..608498a62fc 100644
--- a/src/interfaces/ecpg/test/thread/meson.build
+++ b/src/interfaces/ecpg/test/thread/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 pgc_files = [
   'thread_implicit',
diff --git a/src/interfaces/libpq/Makefile b/src/interfaces/libpq/Makefile
index 1d31b256fc9..c18e9142286 100644
--- a/src/interfaces/libpq/Makefile
+++ b/src/interfaces/libpq/Makefile
@@ -2,7 +2,7 @@
 #
 # Makefile for src/interfaces/libpq library
 #
-# Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+# Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
 # Portions Copyright (c) 1994, Regents of the University of California
 #
 # src/interfaces/libpq/Makefile
diff --git a/src/interfaces/libpq/fe-auth-sasl.h b/src/interfaces/libpq/fe-auth-sasl.h
index da3c30b87b5..ddf6ea3f3f4 100644
--- a/src/interfaces/libpq/fe-auth-sasl.h
+++ b/src/interfaces/libpq/fe-auth-sasl.h
@@ -8,7 +8,7 @@
  *
  * See src/include/libpq/sasl.h for the backend counterpart.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-auth-sasl.h
diff --git a/src/interfaces/libpq/fe-auth-scram.c b/src/interfaces/libpq/fe-auth-scram.c
index 7410d5ba529..9c42ea4f819 100644
--- a/src/interfaces/libpq/fe-auth-scram.c
+++ b/src/interfaces/libpq/fe-auth-scram.c
@@ -3,7 +3,7 @@
  * fe-auth-scram.c
  *	   The front-end (client) implementation of SCRAM authentication.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index 4a6c358bb65..9afc6f19b9a 100644
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -3,7 +3,7 @@
  * fe-auth.c
  *	   The front-end (client) authorization routines
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-auth.h b/src/interfaces/libpq/fe-auth.h
index 049a8bb1a10..1aa556ea2fa 100644
--- a/src/interfaces/libpq/fe-auth.h
+++ b/src/interfaces/libpq/fe-auth.h
@@ -4,7 +4,7 @@
  *
  *	  Definitions for network authentication routines
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-auth.h
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index f88d672c6c8..50b5df3490b 100644
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -3,7 +3,7 @@
  * fe-connect.c
  *	  functions related to setting up a connection to the backend
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-exec.c b/src/interfaces/libpq/fe-exec.c
index da229d632a1..ec62550e385 100644
--- a/src/interfaces/libpq/fe-exec.c
+++ b/src/interfaces/libpq/fe-exec.c
@@ -3,7 +3,7 @@
  * fe-exec.c
  *	  functions related to sending a query down to the backend
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-gssapi-common.c b/src/interfaces/libpq/fe-gssapi-common.c
index 2b31b8ec587..f17ce09427c 100644
--- a/src/interfaces/libpq/fe-gssapi-common.c
+++ b/src/interfaces/libpq/fe-gssapi-common.c
@@ -3,7 +3,7 @@
  * fe-gssapi-common.c
  *     The front-end (client) GSSAPI common code
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-gssapi-common.h b/src/interfaces/libpq/fe-gssapi-common.h
index 72ee97288ee..5f93b7e1b59 100644
--- a/src/interfaces/libpq/fe-gssapi-common.h
+++ b/src/interfaces/libpq/fe-gssapi-common.h
@@ -4,7 +4,7 @@
  *
  *      Definitions for GSSAPI common routines
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/fe-gssapi-common.h
diff --git a/src/interfaces/libpq/fe-lobj.c b/src/interfaces/libpq/fe-lobj.c
index bcd228cef13..4cb6a468597 100644
--- a/src/interfaces/libpq/fe-lobj.c
+++ b/src/interfaces/libpq/fe-lobj.c
@@ -3,7 +3,7 @@
  * fe-lobj.c
  *	  Front-end large object interface
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-misc.c b/src/interfaces/libpq/fe-misc.c
index 4159610f6c7..3653a1a8a62 100644
--- a/src/interfaces/libpq/fe-misc.c
+++ b/src/interfaces/libpq/fe-misc.c
@@ -19,7 +19,7 @@
  * routines.
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-print.c b/src/interfaces/libpq/fe-print.c
index 21d346a08b4..bd60543c036 100644
--- a/src/interfaces/libpq/fe-print.c
+++ b/src/interfaces/libpq/fe-print.c
@@ -3,7 +3,7 @@
  * fe-print.c
  *	  functions for pretty-printing query results
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * These functions were formerly part of fe-exec.c, but they
diff --git a/src/interfaces/libpq/fe-protocol3.c b/src/interfaces/libpq/fe-protocol3.c
index 364bad2b882..8ab6a884165 100644
--- a/src/interfaces/libpq/fe-protocol3.c
+++ b/src/interfaces/libpq/fe-protocol3.c
@@ -3,7 +3,7 @@
  * fe-protocol3.c
  *	  functions that are specific to frontend/backend protocol version 3
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-secure-common.c b/src/interfaces/libpq/fe-secure-common.c
index 7e4246c51f4..de115b37649 100644
--- a/src/interfaces/libpq/fe-secure-common.c
+++ b/src/interfaces/libpq/fe-secure-common.c
@@ -8,7 +8,7 @@
  * file contains support routines that are used by the library-specific
  * implementations such as fe-secure-openssl.c.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-secure-common.h b/src/interfaces/libpq/fe-secure-common.h
index 415a93898f7..e048f97b01d 100644
--- a/src/interfaces/libpq/fe-secure-common.h
+++ b/src/interfaces/libpq/fe-secure-common.h
@@ -4,7 +4,7 @@
  *
  * common implementation-independent SSL support code
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/fe-secure-gssapi.c b/src/interfaces/libpq/fe-secure-gssapi.c
index 0ce92dbf430..6220e4a1014 100644
--- a/src/interfaces/libpq/fe-secure-gssapi.c
+++ b/src/interfaces/libpq/fe-secure-gssapi.c
@@ -3,7 +3,7 @@
  * fe-secure-gssapi.c
  *   The front-end (client) encryption support for GSSAPI
  *
- * Portions Copyright (c) 2016-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2016-2023, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *  src/interfaces/libpq/fe-secure-gssapi.c
diff --git a/src/interfaces/libpq/fe-secure-openssl.c b/src/interfaces/libpq/fe-secure-openssl.c
index bad85359b6c..983536de251 100644
--- a/src/interfaces/libpq/fe-secure-openssl.c
+++ b/src/interfaces/libpq/fe-secure-openssl.c
@@ -4,7 +4,7 @@
  *	  OpenSSL support
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-secure.c b/src/interfaces/libpq/fe-secure.c
index e74d3ccf69a..66e401bf3d9 100644
--- a/src/interfaces/libpq/fe-secure.c
+++ b/src/interfaces/libpq/fe-secure.c
@@ -6,7 +6,7 @@
  *	  message integrity and endpoint authentication.
  *
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/fe-trace.c b/src/interfaces/libpq/fe-trace.c
index 5d68cf2eb3b..abaab6a073c 100644
--- a/src/interfaces/libpq/fe-trace.c
+++ b/src/interfaces/libpq/fe-trace.c
@@ -3,7 +3,7 @@
  *	fe-trace.c
  *	  functions for libpq protocol tracing
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
diff --git a/src/interfaces/libpq/legacy-pqsignal.c b/src/interfaces/libpq/legacy-pqsignal.c
index db470df9ea6..790ab5a18c0 100644
--- a/src/interfaces/libpq/legacy-pqsignal.c
+++ b/src/interfaces/libpq/legacy-pqsignal.c
@@ -4,7 +4,7 @@
  *	  reliable BSD-style signal(2) routine stolen from RWW who stole it
  *	  from Stevens...
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/libpq-events.c b/src/interfaces/libpq/libpq-events.c
index 1ec86b1d64c..229bed910f4 100644
--- a/src/interfaces/libpq/libpq-events.c
+++ b/src/interfaces/libpq/libpq-events.c
@@ -3,7 +3,7 @@
  * libpq-events.c
  *	  functions for supporting the libpq "events" API
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
diff --git a/src/interfaces/libpq/libpq-events.h b/src/interfaces/libpq/libpq-events.h
index d93b7c4d4e7..b9d51376342 100644
--- a/src/interfaces/libpq/libpq-events.h
+++ b/src/interfaces/libpq/libpq-events.h
@@ -5,7 +5,7 @@
  *	  that invoke the libpq "events" API, but are not interesting to
  *	  ordinary users of libpq.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-events.h
diff --git a/src/interfaces/libpq/libpq-fe.h b/src/interfaces/libpq/libpq-fe.h
index b7df3224c0f..f3d92204964 100644
--- a/src/interfaces/libpq/libpq-fe.h
+++ b/src/interfaces/libpq/libpq-fe.h
@@ -4,7 +4,7 @@
  *	  This file contains definitions for structures and
  *	  externs for functions used by frontend postgres applications.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-fe.h
diff --git a/src/interfaces/libpq/libpq-int.h b/src/interfaces/libpq/libpq-int.h
index 512762f9991..d94b648ea5b 100644
--- a/src/interfaces/libpq/libpq-int.h
+++ b/src/interfaces/libpq/libpq-int.h
@@ -9,7 +9,7 @@
  *	  more likely to break across PostgreSQL releases than code that uses
  *	  only the official API.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/libpq-int.h
diff --git a/src/interfaces/libpq/meson.build b/src/interfaces/libpq/meson.build
index e56109dd58e..573fd9b6ea4 100644
--- a/src/interfaces/libpq/meson.build
+++ b/src/interfaces/libpq/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 # test/ is entered via top-level meson.build, that way it can use the default
 # args for executables (which depend on libpq).
diff --git a/src/interfaces/libpq/po/meson.build b/src/interfaces/libpq/po/meson.build
index 8c8b550fa7d..5489b23b795 100644
--- a/src/interfaces/libpq/po/meson.build
+++ b/src/interfaces/libpq/po/meson.build
@@ -1,3 +1,3 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 i18n.gettext('libpq' + '5' + '-' + pg_version_major.to_string())
diff --git a/src/interfaces/libpq/pqexpbuffer.c b/src/interfaces/libpq/pqexpbuffer.c
index 10b32efdfeb..de7e0328dbb 100644
--- a/src/interfaces/libpq/pqexpbuffer.c
+++ b/src/interfaces/libpq/pqexpbuffer.c
@@ -15,7 +15,7 @@
  * a usable vsnprintf(), then a copy of our own implementation of it will
  * be linked into libpq.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/pqexpbuffer.c
diff --git a/src/interfaces/libpq/pqexpbuffer.h b/src/interfaces/libpq/pqexpbuffer.h
index f7a4e24c1b9..020e94e3571 100644
--- a/src/interfaces/libpq/pqexpbuffer.h
+++ b/src/interfaces/libpq/pqexpbuffer.h
@@ -15,7 +15,7 @@
  * a usable vsnprintf(), then a copy of our own implementation of it will
  * be linked into libpq.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/interfaces/libpq/pqexpbuffer.h
diff --git a/src/interfaces/libpq/pthread-win32.c b/src/interfaces/libpq/pthread-win32.c
index c0e056ea213..8e656373876 100644
--- a/src/interfaces/libpq/pthread-win32.c
+++ b/src/interfaces/libpq/pthread-win32.c
@@ -3,7 +3,7 @@
 * pthread-win32.c
 *	 partial pthread implementation for win32
 *
-* Copyright (c) 2004-2022, PostgreSQL Global Development Group
+* Copyright (c) 2004-2023, PostgreSQL Global Development Group
 * IDENTIFICATION
 *	src/interfaces/libpq/pthread-win32.c
 *
diff --git a/src/interfaces/libpq/t/001_uri.pl b/src/interfaces/libpq/t/001_uri.pl
index beaf13b49ca..2ab537f97f1 100644
--- a/src/interfaces/libpq/t/001_uri.pl
+++ b/src/interfaces/libpq/t/001_uri.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2021-2022, PostgreSQL Global Development Group
+# Copyright (c) 2021-2023, PostgreSQL Global Development Group
 use strict;
 use warnings;
 
diff --git a/src/interfaces/libpq/t/002_api.pl b/src/interfaces/libpq/t/002_api.pl
index fa00221ae29..8b43a984fbc 100644
--- a/src/interfaces/libpq/t/002_api.pl
+++ b/src/interfaces/libpq/t/002_api.pl
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 use strict;
 use warnings;
 
diff --git a/src/interfaces/libpq/test/libpq_testclient.c b/src/interfaces/libpq/test/libpq_testclient.c
index d945bacf1b2..4ed66799fc8 100644
--- a/src/interfaces/libpq/test/libpq_testclient.c
+++ b/src/interfaces/libpq/test/libpq_testclient.c
@@ -2,7 +2,7 @@
  * libpq_testclient.c
  *		A test program for the libpq public API
  *
- * Copyright (c) 2022, PostgreSQL Global Development Group
+ * Copyright (c) 2022-2023, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *		src/interfaces/libpq/test/libpq_testclient.c
diff --git a/src/interfaces/libpq/test/libpq_uri_regress.c b/src/interfaces/libpq/test/libpq_uri_regress.c
index 60469002fda..53d4edb226f 100644
--- a/src/interfaces/libpq/test/libpq_uri_regress.c
+++ b/src/interfaces/libpq/test/libpq_uri_regress.c
@@ -7,7 +7,7 @@
  * prints out the values from the parsed PQconninfoOption struct that differ
  * from the defaults (obtained from PQconndefaults).
  *
- * Portions Copyright (c) 2012-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 2012-2023, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
  *		src/interfaces/libpq/test/libpq_uri_regress.c
diff --git a/src/interfaces/libpq/test/meson.build b/src/interfaces/libpq/test/meson.build
index ddecfd4fc4b..b2a4b06fd23 100644
--- a/src/interfaces/libpq/test/meson.build
+++ b/src/interfaces/libpq/test/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 libpq_uri_regress_sources = files(
   'libpq_uri_regress.c',
diff --git a/src/interfaces/libpq/win32.c b/src/interfaces/libpq/win32.c
index 447f64c0726..e4d29eefa6f 100644
--- a/src/interfaces/libpq/win32.c
+++ b/src/interfaces/libpq/win32.c
@@ -15,7 +15,7 @@
  * The error constants are taken from the Frambak Bakfram LGSOCKET
  * library guys who in turn took them from the Winsock FAQ.
  *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  */
diff --git a/src/interfaces/meson.build b/src/interfaces/meson.build
index 604272abfb8..75278bf801f 100644
--- a/src/interfaces/meson.build
+++ b/src/interfaces/meson.build
@@ -1,4 +1,4 @@
-# Copyright (c) 2022, PostgreSQL Global Development Group
+# Copyright (c) 2022-2023, PostgreSQL Global Development Group
 
 # NB: libpq is entered directly from the toplevel meson file
 subdir('ecpg')