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

relation OID is used as file node on creation but may be changed later
if required. Regression Tests Approved (c) -:)))

src/backend/storage/buffer/bufmgr.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.85 2000/09/29 03:55:45 inoue Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.86 2000/10/16 14:52:09 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -614,6 +614,9 @@ BufferAlloc(Relation reln,
 	/* record the database name and relation name for this buffer */
 	strcpy(buf->blind.dbname, DatabaseName);
 	strcpy(buf->blind.relname, RelationGetPhysicalRelationName(reln));
+#ifndef OLD_FILE_NAMING
+	buf->blind.rnode = reln->rd_node;
+#endif
 
 	INIT_BUFFERTAG(&(buf->tag), reln, blockNum);
 	if (!BufTableInsert(buf))
@@ -779,10 +782,12 @@ FlushBuffer(Buffer buffer, bool release)
 	Assert(PrivateRefCount[buffer - 1] > 0);	/* else caller didn't pin */
 
 	bufHdr = &BufferDescriptors[buffer - 1];
+
 	bufdb = bufHdr->tag.relId.dbId;
 
 	Assert(bufdb == MyDatabaseId || bufdb == (Oid) NULL);
 	bufrel = RelationIdCacheGetRelation(bufHdr->tag.relId.relId);
+
 	Assert(bufrel != (Relation) NULL);
 
 	SharedBufferChanged = true;
@@ -962,12 +967,18 @@ SetBufferDirtiedByMe(Buffer buffer, BufferDesc *bufHdr)
 
 		if (reln == (Relation) NULL)
 		{
+#ifdef OLD_FILE_NAMING
 			status = smgrblindmarkdirty(DEFAULT_SMGR,
-							   BufferBlindLastDirtied[buffer - 1].dbname,
-							  BufferBlindLastDirtied[buffer - 1].relname,
-										tagLastDirtied->relId.dbId,
-										tagLastDirtied->relId.relId,
-										tagLastDirtied->blockNum);
+							BufferBlindLastDirtied[buffer - 1].dbname,
+							BufferBlindLastDirtied[buffer - 1].relname,
+							tagLastDirtied->relId.dbId,
+							tagLastDirtied->relId.relId,
+							tagLastDirtied->blockNum);
+#else
+			status = smgrblindmarkdirty(DEFAULT_SMGR,
+							BufferBlindLastDirtied[buffer - 1].rnode,
+							tagLastDirtied->blockNum);
+#endif
 		}
 		else
 		{
@@ -1017,10 +1028,10 @@ ClearBufferDirtiedByMe(Buffer buffer, BufferDesc *bufHdr)
 	 * the data we just wrote.	This is unlikely, but possible if some
 	 * other backend replaced the buffer contents since we set our flag.
 	 */
-	if (bufHdr->tag.relId.dbId == tagLastDirtied->relId.dbId &&
-		bufHdr->tag.relId.relId == tagLastDirtied->relId.relId &&
-		bufHdr->tag.blockNum == tagLastDirtied->blockNum)
-		BufferDirtiedByMe[buffer - 1] = false;
+		if (bufHdr->tag.relId.dbId == tagLastDirtied->relId.dbId &&
+				bufHdr->tag.relId.relId == tagLastDirtied->relId.relId &&
+				bufHdr->tag.blockNum == tagLastDirtied->blockNum)
+			BufferDirtiedByMe[buffer - 1] = false;
 }
 
 /*
@@ -1136,13 +1147,21 @@ BufferSync()
 					 */
 					if (reln == (Relation) NULL)
 					{
+#ifdef OLD_FILE_NAMING
 						status = smgrblindwrt(DEFAULT_SMGR,
-											  bufHdr->blind.dbname,
-											  bufHdr->blind.relname,
-											  bufdb, bufrel,
-											  bufHdr->tag.blockNum,
-										 (char *) MAKE_PTR(bufHdr->data),
-											  true);	/* must fsync */
+											bufHdr->blind.dbname,
+											bufHdr->blind.relname,
+											bufdb, bufrel,
+											bufHdr->tag.blockNum,
+											(char *) MAKE_PTR(bufHdr->data),
+											true);	/* must fsync */
+#else
+						status = smgrblindwrt(DEFAULT_SMGR,
+											bufHdr->blind.rnode,
+											bufHdr->tag.blockNum,
+											(char *) MAKE_PTR(bufHdr->data),
+											true);	/* must fsync */
+#endif
 					}
 					else
 					{
@@ -1202,12 +1221,18 @@ BufferSync()
 			reln = RelationIdCacheGetRelation(BufferTagLastDirtied[i].relId.relId);
 			if (reln == (Relation) NULL)
 			{
+#ifdef OLD_FILE_NAMING
 				status = smgrblindmarkdirty(DEFAULT_SMGR,
-										BufferBlindLastDirtied[i].dbname,
-									   BufferBlindLastDirtied[i].relname,
-									  BufferTagLastDirtied[i].relId.dbId,
-									 BufferTagLastDirtied[i].relId.relId,
-									   BufferTagLastDirtied[i].blockNum);
+									BufferBlindLastDirtied[i].dbname,
+									BufferBlindLastDirtied[i].relname,
+									BufferTagLastDirtied[i].relId.dbId,
+									BufferTagLastDirtied[i].relId.relId,
+									BufferTagLastDirtied[i].blockNum);
+#else
+				status = smgrblindmarkdirty(DEFAULT_SMGR,
+									BufferBlindLastDirtied[i].rnode,
+									BufferTagLastDirtied[i].blockNum);
+#endif
 			}
 			else
 			{
@@ -1556,11 +1581,18 @@ BufferReplace(BufferDesc *bufHdr)
 	}
 	else
 	{
+#ifdef OLD_FILE_NAMING
 		status = smgrblindwrt(DEFAULT_SMGR, bufHdr->blind.dbname,
 							  bufHdr->blind.relname, bufdb, bufrel,
 							  bufHdr->tag.blockNum,
 							  (char *) MAKE_PTR(bufHdr->data),
 							  false);	/* no fsync */
+#else
+		status = smgrblindwrt(DEFAULT_SMGR, bufHdr->blind.rnode,
+							  bufHdr->tag.blockNum,
+							  (char *) MAKE_PTR(bufHdr->data),
+							  false);	/* no fsync */
+#endif
 	}
 
 	LockBuffer(BufferDescriptorGetBuffer(bufHdr), BUFFER_LOCK_UNLOCK);
@@ -1784,8 +1816,8 @@ blockNum=%d, flags=0x%x, refcount=%d %ld)",
 		for (i = 0; i < NBuffers; ++i, ++buf)
 		{
 			printf("[%-2d] (%s, %d) flags=0x%x, refcnt=%d %ld)\n",
-				   i, buf->blind.relname, buf->tag.blockNum,
-				   buf->flags, buf->refcount, PrivateRefCount[i]);
+					i, buf->blind.relname, buf->tag.blockNum,
+					buf->flags, buf->refcount, PrivateRefCount[i]);
 		}
 	}
 }

src/backend/storage/smgr/md.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.74 2000/07/17 03:05:11 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.75 2000/10/16 14:52:12 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -75,8 +75,14 @@ static void mdclose_fd(int fd);
 static int	_mdfd_getrelnfd(Relation reln);
 static MdfdVec *_mdfd_openseg(Relation reln, int segno, int oflags);
 static MdfdVec *_mdfd_getseg(Relation reln, int blkno);
+
+#ifdef OLD_FILE_NAMING
 static int _mdfd_blind_getseg(char *dbname, char *relname,
 				   Oid dbid, Oid relid, int blkno);
+#else
+static int _mdfd_blind_getseg(RelFileNode rnode, int blkno);
+#endif
+
 static int	_fdvec_alloc(void);
 static void _fdvec_free(int);
 static BlockNumber _mdnblocks(File file, Size blcksz);
@@ -128,7 +134,11 @@ mdcreate(Relation reln)
 
 	Assert(reln->rd_unlinked && reln->rd_fd < 0);
 
+#ifdef OLD_FILE_NAMING
 	path = relpath(RelationGetPhysicalRelationName(reln));
+#else
+	path = relpath(reln->rd_node);
+#endif
 	fd = FileNameOpenFile(path, O_RDWR | O_CREAT | O_EXCL | PG_BINARY, 0600);
 
 	/*
@@ -326,7 +336,11 @@ mdopen(Relation reln)
 	int			vfd;
 
 	Assert(reln->rd_fd < 0);
+#ifdef OLD_FILE_NAMING
 	path = relpath(RelationGetPhysicalRelationName(reln));
+#else
+	path = relpath(reln->rd_node);
+#endif
 
 	fd = FileNameOpenFile(path, O_RDWR | PG_BINARY, 0600);
 	if (fd < 0)
@@ -565,6 +579,7 @@ mdflush(Relation reln, BlockNumber blocknum, char *buffer)
  *		the file, making it more like mdflush().
  */
 int
+#ifdef OLD_FILE_NAMING
 mdblindwrt(char *dbname,
 		   char *relname,
 		   Oid dbid,
@@ -572,12 +587,22 @@ mdblindwrt(char *dbname,
 		   BlockNumber blkno,
 		   char *buffer,
 		   bool dofsync)
+#else
+mdblindwrt(RelFileNode rnode,
+		   BlockNumber blkno,
+		   char *buffer,
+		   bool dofsync)
+#endif
 {
 	int			status;
 	long		seekpos;
 	int			fd;
 
+#ifdef OLD_FILE_NAMING
 	fd = _mdfd_blind_getseg(dbname, relname, dbid, relid, blkno);
+#else
+	fd = _mdfd_blind_getseg(rnode, blkno);
+#endif
 
 	if (fd < 0)
 		return SM_FAIL;
@@ -651,16 +676,25 @@ mdmarkdirty(Relation reln, BlockNumber blkno)
  *		rather than building md/fd datastructures to postpone it till later.
  */
 int
+#ifdef OLD_FILE_NAMING
 mdblindmarkdirty(char *dbname,
 				 char *relname,
 				 Oid dbid,
 				 Oid relid,
 				 BlockNumber blkno)
+#else
+mdblindmarkdirty(RelFileNode rnode,
+				 BlockNumber blkno)
+#endif
 {
 	int			status;
 	int			fd;
 
+#ifdef OLD_FILE_NAMING
 	fd = _mdfd_blind_getseg(dbname, relname, dbid, relid, blkno);
+#else
+	fd = _mdfd_blind_getseg(rnode, blkno);
+#endif
 
 	if (fd < 0)
 		return SM_FAIL;
@@ -969,7 +1003,11 @@ _mdfd_openseg(Relation reln, int segno, int oflags)
 			   *fullpath;
 
 	/* be sure we have enough space for the '.segno', if any */
+#ifdef OLD_FILE_NAMING
 	path = relpath(RelationGetPhysicalRelationName(reln));
+#else
+	path = relpath(reln->rd_node);
+#endif
 
 	if (segno > 0)
 	{
@@ -1084,8 +1122,12 @@ _mdfd_getseg(Relation reln, int blkno)
  */
 
 static int
+#ifdef OLD_FILE_NAMING
 _mdfd_blind_getseg(char *dbname, char *relname, Oid dbid, Oid relid,
 				   int blkno)
+#else
+_mdfd_blind_getseg(RelFileNode rnode, int blkno)
+#endif
 {
 	char	   *path;
 	int			fd;
@@ -1095,8 +1137,12 @@ _mdfd_blind_getseg(char *dbname, char *relname, Oid dbid, Oid relid,
 
 #endif
 
+#ifdef OLD_FILE_NAMING
 	/* construct the path to the relation */
 	path = relpath_blind(dbname, relname, dbid, relid);
+#else
+	path = relpath(rnode);
+#endif
 
 #ifndef LET_OS_MANAGE_FILESIZE
 	/* append the '.segno', if needed */

src/backend/storage/smgr/smgr.c

@@ -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.