From 41c255a4e57445eb8818d9635f982d665c2c4698 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Tue, 31 Mar 2020 08:13:25 -0400
Subject: [PATCH v16 3/4] pg_waldump: Add --quiet option.

Andres Freund and Robert Haas
---
 src/bin/pg_waldump/pg_waldump.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/bin/pg_waldump/pg_waldump.c b/src/bin/pg_waldump/pg_waldump.c
index 279acfa044..14dca65beb 100644
--- a/src/bin/pg_waldump/pg_waldump.c
+++ b/src/bin/pg_waldump/pg_waldump.c
@@ -40,6 +40,7 @@ typedef struct XLogDumpPrivate
 typedef struct XLogDumpConfig
 {
 	/* display options */
+	bool		quiet;
 	bool		bkp_details;
 	int			stop_after_records;
 	int			already_displayed_records;
@@ -755,6 +756,7 @@ main(int argc, char **argv)
 		{"help", no_argument, NULL, '?'},
 		{"limit", required_argument, NULL, 'n'},
 		{"path", required_argument, NULL, 'p'},
+		{"quiet", no_argument, NULL, 'q'},
 		{"rmgr", required_argument, NULL, 'r'},
 		{"start", required_argument, NULL, 's'},
 		{"timeline", required_argument, NULL, 't'},
@@ -794,6 +796,7 @@ main(int argc, char **argv)
 	private.endptr = InvalidXLogRecPtr;
 	private.endptr_reached = false;
 
+	config.quiet = false;
 	config.bkp_details = false;
 	config.stop_after_records = -1;
 	config.already_displayed_records = 0;
@@ -810,7 +813,7 @@ main(int argc, char **argv)
 		goto bad_argument;
 	}
 
-	while ((option = getopt_long(argc, argv, "be:fn:p:r:s:t:x:z",
+	while ((option = getopt_long(argc, argv, "be:fn:p:qr:s:t:x:z",
 								 long_options, &optindex)) != -1)
 	{
 		switch (option)
@@ -840,6 +843,9 @@ main(int argc, char **argv)
 			case 'p':
 				waldir = pg_strdup(optarg);
 				break;
+			case 'q':
+				config.quiet = true;
+				break;
 			case 'r':
 				{
 					int			i;
@@ -1075,11 +1081,14 @@ main(int argc, char **argv)
 			config.filter_by_xid != record->xl_xid)
 			continue;
 
-		/* process the record */
-		if (config.stats == true)
-			XLogDumpCountRecord(&config, &stats, xlogreader_state);
-		else
-			XLogDumpDisplayRecord(&config, xlogreader_state);
+		/* perform any per-record work */
+		if (!config.quiet)
+		{
+			if (config.stats == true)
+				XLogDumpCountRecord(&config, &stats, xlogreader_state);
+			else
+				XLogDumpDisplayRecord(&config, xlogreader_state);
+		}
 
 		/* check whether we printed enough */
 		config.already_displayed_records++;
-- 
2.17.2 (Apple Git-113)