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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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78
src/backend/storage/buffer/bufmgr.c
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@ -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]);
}
}
}