Back-patch "Add parent table name in an error in reorderbuffer.c."

This was originally done in commit 5e77625b26 for 15 only, as a
troubleshooting aid but multiple people showed interest in back-patching
this.

Author: Jeremy Schneider
Reviewed-by: Amit Kapila
Backpatch-through: 9.6
Discussion: https://postgr.es/m/808ed65b-994c-915a-361c-577f088b837f@amazon.com

diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c
index 170d28c08b331718ee79688203cba0a045dbd2c4..6c9b5dbced8a2cebb04162ad07988829b020024f 100644 (file)
--- a/src/backend/replication/logical/reorderbuffer.c
+++ b/src/backend/replication/logical/reorderbuffer.c
@@ -3057,8 +3057,8 @@ ReorderBufferToastReplace(ReorderBuffer *rb, ReorderBufferTXN *txn,
 
        toast_rel = RelationIdGetRelation(relation->rd_rel->reltoastrelid);
        if (!RelationIsValid(toast_rel))
-               elog(ERROR, "could not open relation with OID %u",
-                        relation->rd_rel->reltoastrelid);
+               elog(ERROR, "could not open toast relation with OID %u (base relation \"%s\")",
+                        relation->rd_rel->reltoastrelid, RelationGetRelationName(relation));
 
        toast_desc = RelationGetDescr(toast_rel);