| From: | Antonin Houska <antonin(dot)houska(at)gmail(dot)com> |
|---|---|
| To: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Comment - uniqueness of relfilenode |
| Date: | 2013-11-07 15:56:41 |
| Message-ID: | 527BB839.4090607@gmail.com |
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| Lists: | pgsql-hackers |
catalog/catalog.c:GetNewRelFileNode() and its calls indicate that the
following change makes sense:
diff --git a/src/include/storage/relfilenode.h
b/src/include/storage/relfilenode.h
index 75f897f..7190974 100644
--- a/src/include/storage/relfilenode.h
+++ b/src/include/storage/relfilenode.h
@@ -55,7 +55,7 @@ typedef enum ForkNumber
* relNode identifies the specific relation. relNode corresponds to
* pg_class.relfilenode (NOT pg_class.oid, because we need to be able
* to assign new physical files to relations in some situations).
- * Notice that relNode is only unique within a particular database.
+ * Notice that relNode is only unique within a particular tablespace.
*
* Note: spcNode must be GLOBALTABLESPACE_OID if and only if dbNode is
* zero. We support shared relations only in the "global" tablespace.
// Antonin Houska (Tony)
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