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Diffstat (limited to 'src/backend/access/hash/hashpage.c')
-rw-r--r--src/backend/access/hash/hashpage.c190
1 files changed, 95 insertions, 95 deletions
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
index 6c819b652d2..17fdaab37fd 100644
--- a/src/backend/access/hash/hashpage.c
+++ b/src/backend/access/hash/hashpage.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/hash/hashpage.c,v 1.10 1997/09/07 04:38:00 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/hash/hashpage.c,v 1.11 1997/09/08 02:20:18 momjian Exp $
*
* NOTES
* Postgres hash pages look like ordinary relation pages. The opaque
@@ -38,9 +38,9 @@
#include <string.h>
#endif
-static void _hash_setpagelock(Relation rel, BlockNumber blkno, int access);
-static void _hash_unsetpagelock(Relation rel, BlockNumber blkno, int access);
-static void _hash_splitpage(Relation rel, Buffer metabuf, Bucket obucket, Bucket nbucket);
+static void _hash_setpagelock(Relation rel, BlockNumber blkno, int access);
+static void _hash_unsetpagelock(Relation rel, BlockNumber blkno, int access);
+static void _hash_splitpage(Relation rel, Buffer metabuf, Bucket obucket, Bucket nbucket);
/*
* We use high-concurrency locking on hash indices. There are two cases in
@@ -68,16 +68,16 @@ static void _hash_splitpage(Relation rel, Buffer metabuf, Bucket obucket, Bucke
void
_hash_metapinit(Relation rel)
{
- HashMetaPage metap;
- HashPageOpaque pageopaque;
- Buffer metabuf;
- Buffer buf;
- Page pg;
- int nbuckets;
- uint32 nelem; /* number elements */
- uint32 lg2nelem; /* _hash_log2(nelem) */
- uint32 nblocks;
- uint16 i;
+ HashMetaPage metap;
+ HashPageOpaque pageopaque;
+ Buffer metabuf;
+ Buffer buf;
+ Page pg;
+ int nbuckets;
+ uint32 nelem; /* number elements */
+ uint32 lg2nelem; /* _hash_log2(nelem) */
+ uint32 nblocks;
+ uint16 i;
/* can't be sharing this with anyone, now... */
if (USELOCKING)
@@ -188,7 +188,7 @@ _hash_metapinit(Relation rel)
Buffer
_hash_getbuf(Relation rel, BlockNumber blkno, int access)
{
- Buffer buf;
+ Buffer buf;
if (blkno == P_NEW)
{
@@ -196,14 +196,14 @@ _hash_getbuf(Relation rel, BlockNumber blkno, int access)
}
switch (access)
{
- case HASH_WRITE:
- case HASH_READ:
- _hash_setpagelock(rel, blkno, access);
- break;
- default:
- elog(WARN, "_hash_getbuf: invalid access (%d) on new blk: %s",
- access, RelationGetRelationName(rel));
- break;
+ case HASH_WRITE:
+ case HASH_READ:
+ _hash_setpagelock(rel, blkno, access);
+ break;
+ default:
+ elog(WARN, "_hash_getbuf: invalid access (%d) on new blk: %s",
+ access, RelationGetRelationName(rel));
+ break;
}
buf = ReadBuffer(rel, blkno);
@@ -217,19 +217,19 @@ _hash_getbuf(Relation rel, BlockNumber blkno, int access)
void
_hash_relbuf(Relation rel, Buffer buf, int access)
{
- BlockNumber blkno;
+ BlockNumber blkno;
blkno = BufferGetBlockNumber(buf);
switch (access)
{
- case HASH_WRITE:
- case HASH_READ:
- _hash_unsetpagelock(rel, blkno, access);
- break;
- default:
- elog(WARN, "_hash_relbuf: invalid access (%d) on blk %x: %s",
- access, blkno, RelationGetRelationName(rel));
+ case HASH_WRITE:
+ case HASH_READ:
+ _hash_unsetpagelock(rel, blkno, access);
+ break;
+ default:
+ elog(WARN, "_hash_relbuf: invalid access (%d) on blk %x: %s",
+ access, blkno, RelationGetRelationName(rel));
}
ReleaseBuffer(buf);
@@ -245,7 +245,7 @@ _hash_relbuf(Relation rel, Buffer buf, int access)
void
_hash_wrtbuf(Relation rel, Buffer buf)
{
- BlockNumber blkno;
+ BlockNumber blkno;
blkno = BufferGetBlockNumber(buf);
WriteBuffer(buf);
@@ -262,7 +262,7 @@ _hash_wrtbuf(Relation rel, Buffer buf)
void
_hash_wrtnorelbuf(Relation rel, Buffer buf)
{
- BlockNumber blkno;
+ BlockNumber blkno;
blkno = BufferGetBlockNumber(buf);
WriteNoReleaseBuffer(buf);
@@ -274,22 +274,22 @@ _hash_chgbufaccess(Relation rel,
int from_access,
int to_access)
{
- BlockNumber blkno;
+ BlockNumber blkno;
blkno = BufferGetBlockNumber(*bufp);
switch (from_access)
{
- case HASH_WRITE:
- _hash_wrtbuf(rel, *bufp);
- break;
- case HASH_READ:
- _hash_relbuf(rel, *bufp, from_access);
- break;
- default:
- elog(WARN, "_hash_chgbufaccess: invalid access (%d) on blk %x: %s",
- from_access, blkno, RelationGetRelationName(rel));
- break;
+ case HASH_WRITE:
+ _hash_wrtbuf(rel, *bufp);
+ break;
+ case HASH_READ:
+ _hash_relbuf(rel, *bufp, from_access);
+ break;
+ default:
+ elog(WARN, "_hash_chgbufaccess: invalid access (%d) on blk %x: %s",
+ from_access, blkno, RelationGetRelationName(rel));
+ break;
}
*bufp = _hash_getbuf(rel, blkno, to_access);
return (BufferGetPage(*bufp));
@@ -328,16 +328,16 @@ _hash_setpagelock(Relation rel,
switch (access)
{
- case HASH_WRITE:
- RelationSetSingleWLockPage(rel, &iptr);
- break;
- case HASH_READ:
- RelationSetSingleRLockPage(rel, &iptr);
- break;
- default:
- elog(WARN, "_hash_setpagelock: invalid access (%d) on blk %x: %s",
- access, blkno, RelationGetRelationName(rel));
- break;
+ case HASH_WRITE:
+ RelationSetSingleWLockPage(rel, &iptr);
+ break;
+ case HASH_READ:
+ RelationSetSingleRLockPage(rel, &iptr);
+ break;
+ default:
+ elog(WARN, "_hash_setpagelock: invalid access (%d) on blk %x: %s",
+ access, blkno, RelationGetRelationName(rel));
+ break;
}
}
}
@@ -355,16 +355,16 @@ _hash_unsetpagelock(Relation rel,
switch (access)
{
- case HASH_WRITE:
- RelationUnsetSingleWLockPage(rel, &iptr);
- break;
- case HASH_READ:
- RelationUnsetSingleRLockPage(rel, &iptr);
- break;
- default:
- elog(WARN, "_hash_unsetpagelock: invalid access (%d) on blk %x: %s",
- access, blkno, RelationGetRelationName(rel));
- break;
+ case HASH_WRITE:
+ RelationUnsetSingleWLockPage(rel, &iptr);
+ break;
+ case HASH_READ:
+ RelationUnsetSingleRLockPage(rel, &iptr);
+ break;
+ default:
+ elog(WARN, "_hash_unsetpagelock: invalid access (%d) on blk %x: %s",
+ access, blkno, RelationGetRelationName(rel));
+ break;
}
}
}
@@ -372,13 +372,13 @@ _hash_unsetpagelock(Relation rel,
void
_hash_pagedel(Relation rel, ItemPointer tid)
{
- Buffer buf;
- Buffer metabuf;
- Page page;
- BlockNumber blkno;
- OffsetNumber offno;
- HashMetaPage metap;
- HashPageOpaque opaque;
+ Buffer buf;
+ Buffer metabuf;
+ Page page;
+ BlockNumber blkno;
+ OffsetNumber offno;
+ HashMetaPage metap;
+ HashPageOpaque opaque;
blkno = ItemPointerGetBlockNumber(tid);
offno = ItemPointerGetOffsetNumber(tid);
@@ -414,10 +414,10 @@ _hash_pagedel(Relation rel, ItemPointer tid)
void
_hash_expandtable(Relation rel, Buffer metabuf)
{
- HashMetaPage metap;
- Bucket old_bucket;
- Bucket new_bucket;
- uint32 spare_ndx;
+ HashMetaPage metap;
+ Bucket old_bucket;
+ Bucket new_bucket;
+ uint32 spare_ndx;
/* elog(DEBUG, "_hash_expandtable: expanding..."); */
@@ -472,26 +472,26 @@ _hash_splitpage(Relation rel,
Bucket obucket,
Bucket nbucket)
{
- Bucket bucket;
- Buffer obuf;
- Buffer nbuf;
- Buffer ovflbuf;
- BlockNumber oblkno;
- BlockNumber nblkno;
- bool null;
- Datum datum;
- HashItem hitem;
- HashPageOpaque oopaque;
- HashPageOpaque nopaque;
- HashMetaPage metap;
- IndexTuple itup;
- int itemsz;
- OffsetNumber ooffnum;
- OffsetNumber noffnum;
- OffsetNumber omaxoffnum;
- Page opage;
- Page npage;
- TupleDesc itupdesc;
+ Bucket bucket;
+ Buffer obuf;
+ Buffer nbuf;
+ Buffer ovflbuf;
+ BlockNumber oblkno;
+ BlockNumber nblkno;
+ bool null;
+ Datum datum;
+ HashItem hitem;
+ HashPageOpaque oopaque;
+ HashPageOpaque nopaque;
+ HashMetaPage metap;
+ IndexTuple itup;
+ int itemsz;
+ OffsetNumber ooffnum;
+ OffsetNumber noffnum;
+ OffsetNumber omaxoffnum;
+ Page opage;
+ Page npage;
+ TupleDesc itupdesc;
/* elog(DEBUG, "_hash_splitpage: splitting %d into %d,%d",
obucket, obucket, nbucket);
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-07 19:57:26 +0000