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From: Japin Li <[email protected]>
Subject: [PATCH v2] Replace the hard-coded dump headers with macros
Date: Wed, 3 Jun 2026 15:18:20 +0800

This commit repleaces the hard-coded dump headers with the existing macros to
improve maintainability and consistency:

  - In pg_backup_archiver.c, use TEXT_DUMP_HEADER instead of a duplicate
    hard-coded string for database dump header.
  - Move TEXT_DUMPALL_HEADER from pg_backup_archiver.c to pg_backup_archiver.h
    so it can be shared across files.
  - In pg_dumpall.c, replace the hard-coded cluster dump header with the newly
    exposed TEXT_DUMPALL_HEADER macro.

This avoids unnecessary duplication and ensures that any future changes to the
header text only need to be made in one place.

Author: Japin Li <[email protected]>
Reviewed-by: Daniel Gustafsson <[email protected]>
---
 src/bin/pg_dump/pg_backup_archiver.c | 3 +--
 src/bin/pg_dump/pg_backup_archiver.h | 2 ++
 src/bin/pg_dump/pg_dumpall.c         | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 2fd773ad84f..85d103464be 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -47,7 +47,6 @@
 #include "pgtar.h"
 
 #define TEXT_DUMP_HEADER "--\n-- PostgreSQL database dump\n--\n\n"
-#define TEXT_DUMPALL_HEADER "--\n-- PostgreSQL database cluster dump\n--\n\n"
 
 #define TOC_PREFIX_NONE		""
 #define TOC_PREFIX_DATA		"Data for "
@@ -466,7 +465,7 @@ RestoreArchive(Archive *AHX, bool append_data)
 	if (ropt->filename || ropt->compression_spec.algorithm != PG_COMPRESSION_NONE)
 		SetOutput(AH, ropt->filename, ropt->compression_spec, append_data);
 
-	ahprintf(AH, "--\n-- PostgreSQL database dump\n--\n\n");
+	ahprintf(AH, TEXT_DUMP_HEADER);
 
 	/*
 	 * If generating plain-text output, enter restricted mode to block any
diff --git a/src/bin/pg_dump/pg_backup_archiver.h b/src/bin/pg_dump/pg_backup_archiver.h
index 1218bf6a6a1..21f226295a5 100644
--- a/src/bin/pg_dump/pg_backup_archiver.h
+++ b/src/bin/pg_dump/pg_backup_archiver.h
@@ -30,6 +30,8 @@
 #include "pg_backup.h"
 #include "pqexpbuffer.h"
 
+#define TEXT_DUMPALL_HEADER "--\n-- PostgreSQL database cluster dump\n--\n\n"
+
 #define LOBBUFSIZE 16384
 
 /* Data block types */
diff --git a/src/bin/pg_dump/pg_dumpall.c b/src/bin/pg_dump/pg_dumpall.c
index c1f43113c53..49ae222211e 100644
--- a/src/bin/pg_dump/pg_dumpall.c
+++ b/src/bin/pg_dump/pg_dumpall.c
@@ -740,7 +740,7 @@ main(int argc, char *argv[])
 	}
 	else
 	{
-		fprintf(OPF, "--\n-- PostgreSQL database cluster dump\n--\n\n");
+		fprintf(OPF, TEXT_DUMPALL_HEADER);
 
 		if (verbose)
 			dumpTimestamp("Started on");
-- 
2.53.0


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