From 2633dae2e4876a9b7cb90ba025e930a553e5107f Mon Sep 17 00:00:00 2001 From: Álvaro Herrera Date: Mon, 7 Jul 2025 13:57:43 +0200 Subject: Standardize LSN formatting by zero padding MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit standardizes the output format for LSNs to ensure consistent representation across various tools and messages. Previously, LSNs were inconsistently printed as `%X/%X` in some contexts, while others used zero-padding. This often led to confusion when comparing. To address this, the LSN format is now uniformly set to `%X/%08X`, ensuring the lower 32-bit part is always zero-padded to eight hexadecimal digits. Author: Japin Li Reviewed-by: Masahiko Sawada Reviewed-by: Álvaro Herrera Discussion: https://postgr.es/m/ME0P300MB0445CA53CA0E4B8C1879AF84B641A@ME0P300MB0445.AUSP300.PROD.OUTLOOK.COM --- src/backend/utils/adt/pg_lsn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/backend/utils/adt/pg_lsn.c') diff --git a/src/backend/utils/adt/pg_lsn.c b/src/backend/utils/adt/pg_lsn.c index 16311590a14..12de2446f5b 100644 --- a/src/backend/utils/adt/pg_lsn.c +++ b/src/backend/utils/adt/pg_lsn.c @@ -83,7 +83,7 @@ pg_lsn_out(PG_FUNCTION_ARGS) char buf[MAXPG_LSNLEN + 1]; char *result; - snprintf(buf, sizeof buf, "%X/%X", LSN_FORMAT_ARGS(lsn)); + snprintf(buf, sizeof buf, "%X/%08X", LSN_FORMAT_ARGS(lsn)); result = pstrdup(buf); PG_RETURN_CSTRING(result); } -- cgit v1.2.3