From 617d16f4ff4959b1615cc9f57e271629c000ccff Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 19 Feb 2005 23:16:15 +0000
Subject: [PATCH] New arrangement to always let the bgwriter do checkpoints
broke CHECKPOINT and some other commands in the context of a standalone
backend. Allow a standalone backend to do its own checkpoints.
---
src/backend/postmaster/bgwriter.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/src/backend/postmaster/bgwriter.c b/src/backend/postmaster/bgwriter.c
index 12202e00811..128122355bb 100644
--- a/src/backend/postmaster/bgwriter.c
+++ b/src/backend/postmaster/bgwriter.c
@@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.13 2005/01/10 20:02:20 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.14 2005/02/19 23:16:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -509,6 +509,23 @@ RequestCheckpoint(bool waitforit)
sig_atomic_t old_failed = bgs->ckpt_failed;
sig_atomic_t old_started = bgs->ckpt_started;
+ /*
+ * If in a standalone backend, just do it ourselves.
+ */
+ if (!IsPostmasterEnvironment)
+ {
+ CreateCheckPoint(false, true);
+
+ /*
+ * After any checkpoint, close all smgr files. This is so we
+ * won't hang onto smgr references to deleted files
+ * indefinitely.
+ */
+ smgrcloseall();
+
+ return;
+ }
+
/*
* Send signal to request checkpoint. When waitforit is false, we
* consider failure to send the signal to be nonfatal.
--
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