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New file naming. Database OID is used as "tablespace" id and

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relation OID is used as file node on creation but may be changed later
if required. Regression Tests Approved (c) -:)))
This commit is contained in:
Vadim B. Mikheev
2000-10-16 14:52:28 +00:00
parent 07a55ebf64
commit 2c7de17b07
19 changed files with 488 additions and 154 deletions
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53
src/backend/storage/smgr/smgr.c
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.39 2000/10/02 21:45:33 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.40 2000/10/16 14:52:12 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -36,14 +36,23 @@ typedef struct f_smgr
char *buffer);
int (*smgr_flush) (Relation reln, BlockNumber blocknum,
char *buffer);
#ifdef OLD_FILE_NAMING
int (*smgr_blindwrt) (char *dbname, char *relname,
Oid dbid, Oid relid,
BlockNumber blkno, char *buffer,
bool dofsync);
#else
int (*smgr_blindwrt) (RelFileNode rnode, BlockNumber blkno,
char *buffer, bool dofsync);
#endif
int (*smgr_markdirty) (Relation reln, BlockNumber blkno);
#ifdef OLD_FILE_NAMING
int (*smgr_blindmarkdirty) (char *dbname, char *relname,
Oid dbid, Oid relid,
BlockNumber blkno);
#else
int (*smgr_blindmarkdirty) (RelFileNode, BlockNumber blkno);
#endif
int (*smgr_nblocks) (Relation reln);
int (*smgr_truncate) (Relation reln, int nblocks);
int (*smgr_commit) (void); /* may be NULL */
@@ -301,6 +310,7 @@ smgrflush(int16 which, Relation reln, BlockNumber blocknum, char *buffer)
* this page down to stable storage in this circumstance. The
* write should be synchronous if dofsync is true.
*/
#ifdef OLD_FILE_NAMING
int
smgrblindwrt(int16 which,
char *dbname,
@@ -332,6 +342,27 @@ smgrblindwrt(int16 which,
return status;
}
#else
int
smgrblindwrt(int16 which,
RelFileNode rnode,
BlockNumber blkno,
char *buffer,
bool dofsync)
{
int status;
status = (*(smgrsw[which].smgr_blindwrt)) (rnode, blkno, buffer, dofsync);
if (status == SM_FAIL)
elog(ERROR, "cannot write block %d of %u/%u blind: %m",
blkno, rnode.tblNode, rnode.relNode);
return status;
}
#endif
/*
* smgrmarkdirty() -- Mark a page dirty (needs fsync).
*
@@ -363,6 +394,7 @@ smgrmarkdirty(int16 which,
*
* Just like smgrmarkdirty, except we don't have a reldesc.
*/
#ifdef OLD_FILE_NAMING
int
smgrblindmarkdirty(int16 which,
char *dbname,
@@ -393,6 +425,25 @@ smgrblindmarkdirty(int16 which,
return status;
}
#else
int
smgrblindmarkdirty(int16 which,
RelFileNode rnode,
BlockNumber blkno)
{
int status;
status = (*(smgrsw[which].smgr_blindmarkdirty)) (rnode, blkno);
if (status == SM_FAIL)
elog(ERROR, "cannot mark block %d of %u/%u blind: %m",
blkno, rnode.tblNode, rnode.relNode);
return status;
}
#endif
/*
* smgrnblocks() -- Calculate the number of POSTGRES blocks in the
* supplied relation.