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#ifndef RELFILENODE_H
#define RELFILENODE_H
/*
* This is all what we need to know to find relation file.
* tblNode is identificator of tablespace and because of
* currently our tablespaces are equal to databases this is
* database OID. relNode is currently relation OID on creation
* but may be changed later if required. relNode is stored in
* pg_class.relfilenode.
*/
typedef struct RelFileNode
{
Oid tblNode; /* tablespace */
Oid relNode; /* relation */
} RelFileNode;
#define RelFileNodeEquals(node1, node2) \
((node1).relNode == (node2).relNode && \
(node1).tblNode == (node2).tblNode)
#endif /* RELFILENODE_H */
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