v16-0006-Overwrite-recovery-parameters.patch
application/x-patch
Filename: v16-0006-Overwrite-recovery-parameters.patch
Type: application/x-patch
Part: 3
Message:
Re: speed up a logical replica setup
Patch
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API reference →
Format: format-patch
Series: patch v16-0006
Subject: Overwrite recovery parameters
| File | + | − |
|---|---|---|
| src/bin/pg_basebackup/pg_createsubscriber.c | 11 | 0 |
From da805e1dafe5936a978cf5a6b6169481f26c4a81 Mon Sep 17 00:00:00 2001
From: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Date: Fri, 2 Feb 2024 09:17:20 +0000
Subject: [PATCH v16 6/7] Overwrite recovery parameters
---
src/bin/pg_basebackup/pg_createsubscriber.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/bin/pg_basebackup/pg_createsubscriber.c b/src/bin/pg_basebackup/pg_createsubscriber.c
index fd40ed5317..52b0a94fb5 100644
--- a/src/bin/pg_basebackup/pg_createsubscriber.c
+++ b/src/bin/pg_basebackup/pg_createsubscriber.c
@@ -1871,6 +1871,17 @@ main(int argc, char **argv)
}
else
{
+ /*
+ * XXX: there is a possibility that subscriber already has
+ * recovery_target* option, but they can be set at most one of them. So
+ * overwrite parameters except recovery_target_lsn to an empty string.
+ * Note that the setting would be never restored.
+ */
+ appendPQExpBuffer(recoveryconfcontents, "recovery_target = ''\n");
+ appendPQExpBuffer(recoveryconfcontents, "recovery_target_name = ''\n");
+ appendPQExpBuffer(recoveryconfcontents, "recovery_target_time = ''\n");
+ appendPQExpBuffer(recoveryconfcontents, "recovery_target_xid = ''\n");
+
appendPQExpBuffer(recoveryconfcontents, "recovery_target_lsn = '%s'\n",
consistent_lsn);
WriteRecoveryConfig(conn, opt.subscriber_dir, recoveryconfcontents);
--
2.34.1