diff options
Diffstat (limited to 'src/include/access/transam.h')
| -rw-r--r-- | src/include/access/transam.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/include/access/transam.h b/src/include/access/transam.h index 282e0ce8479..2662c7ad2e5 100644 --- a/src/include/access/transam.h +++ b/src/include/access/transam.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: transam.h,v 1.14 1998/02/26 04:40:30 momjian Exp $ + * $Id: transam.h,v 1.15 1998/07/21 06:17:39 vadim Exp $ * * NOTES * Transaction System Version 101 now support proper oid @@ -114,6 +114,24 @@ typedef struct VariableRelationContentsData typedef VariableRelationContentsData *VariableRelationContents; +/* + * VariableCache is placed in shmem and used by backends to + * get next available XID & OID without access to + * variable relation. Actually, I would like to have two + * different on-disk storages for next XID and OID... + * But hoping that someday we will use per database OID + * generator I leaved this as is. - vadim 07/21/98 + */ +typedef struct VariableCacheData +{ + uint32 xid_count; + TransactionId nextXid; + uint32 oid_count; /* not implemented, yet */ + Oid nextOid; +} VariableCacheData; + +typedef VariableCacheData *VariableCache; + /* ---------------- * extern declarations * ---------------- |