From 399acf6de6d02b3362faa13379b6bd948b91e20c Mon Sep 17 00:00:00 2001
From: Sven Klemm <sven@timescale.com>
Date: Fri, 2 Oct 2020 00:58:57 +0200
Subject: [PATCH] Adjust copy to PG13 HEAP_INSERT_SKIP_WAL change

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Fetch from: https://github.com/timescale/timescaledb/pull/2498/commits/446f977be8ead518579b3c5b2458429f27518b48.patch
---
 src/copy.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/copy.c b/src/copy.c
index e38ae15e..1187a696 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -27,6 +27,7 @@
 #include <parser/parse_collate.h>
 #include <parser/parse_relation.h>
 #include <storage/bufmgr.h>
+#include <storage/smgr.h>
 #include <utils/builtins.h>
 #include <utils/guc.h>
 #include <utils/lsyscache.h>
@@ -215,8 +216,10 @@ copyfrom(CopyChunkState *ccstate, List *range_table, Hypertable *ht, void (*call
 		ccstate->rel->rd_newRelfilenodeSubid != InvalidSubTransactionId)
 	{
 		ti_options |= HEAP_INSERT_SKIP_FSM;
+#if PG13_LT
 		if (!XLogIsNeeded())
 			ti_options |= HEAP_INSERT_SKIP_WAL;
+#endif
 	}
 
 	/*
@@ -449,8 +452,13 @@ copyfrom(CopyChunkState *ccstate, List *range_table, Hypertable *ht, void (*call
 	 * If we skipped writing WAL, then we need to sync the heap (but not
 	 * indexes since those use WAL anyway)
 	 */
+#if PG13_LT
 	if (ti_options & HEAP_INSERT_SKIP_WAL)
 		heap_sync(ccstate->rel);
+#else
+	if (!RelationNeedsWAL(ccstate->rel))
+		smgrimmedsync(ccstate->rel->rd_smgr, MAIN_FORKNUM);
+#endif
 
 	return processed;
 }
-- 
2.29.2