C comment update: relfilenode is only unique with a tablespace

Report from Antonin Houska
This commit is contained in:
Bruce Momjian 2014-03-05 20:52:34 -05:00
parent e2224faf17
commit 0024a3a3b6

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@ -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.