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-rw-r--r--src/backend/access/common/heaptuple.c65
-rw-r--r--src/backend/access/common/heapvalid.c4
-rw-r--r--src/backend/access/common/printtup.c10
-rw-r--r--src/backend/access/index/indexam.c4
-rw-r--r--src/backend/executor/execJunk.c3
-rw-r--r--src/backend/executor/nodeUnique.c3
-rw-r--r--src/include/access/heapam.h29
-rw-r--r--src/include/access/heaptuple.h26
-rw-r--r--src/include/storage/bufpage.h8
9 files changed, 48 insertions, 104 deletions
diff --git a/src/backend/access/common/heaptuple.c b/src/backend/access/common/heaptuple.c
index 30961f4f549..60ec3e4d3ab 100644
--- a/src/backend/access/common/heaptuple.c
+++ b/src/backend/access/common/heaptuple.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.20 1997/08/24 23:07:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.21 1997/08/26 23:31:20 momjian Exp $
*
* NOTES
* The old interface functions have been converted to macros
@@ -39,8 +39,6 @@
#define register
#endif /* !NO_ASSERT_CHECKING && sparc && sunos4 */
-static char *heap_getsysattr(HeapTuple tup, Buffer b, int attnum);
-
/* ----------------------------------------------------------------
* misc support routines
* ----------------------------------------------------------------
@@ -337,7 +335,7 @@ heap_sysattrbyval(AttrNumber attno)
* heap_getsysattr
* ----------------
*/
-static char *
+char *
heap_getsysattr(HeapTuple tup, Buffer b, int attnum)
{
switch (attnum) {
@@ -423,7 +421,6 @@ fastgetattr(HeapTuple tup,
* ----------------
*/
- Assert(PointerIsValid(isnull));
Assert(attnum > 0);
/* ----------------
@@ -435,7 +432,8 @@ fastgetattr(HeapTuple tup,
* ----------------
*/
- *isnull = false;
+ if (isnull)
+ *isnull = false;
if (HeapTupleNoNulls(tup)) {
attnum--;
@@ -469,7 +467,8 @@ fastgetattr(HeapTuple tup,
*/
if (att_isnull(attnum, bp)) {
- *isnull = true;
+ if (isnull)
+ *isnull = true;
return NULL;
}
@@ -660,58 +659,6 @@ fastgetattr(HeapTuple tup,
}
/* ----------------
- * heap_getattr
- *
- * Find a particular field in a row represented as a heap tuple.
- * We return a pointer into that heap tuple, which points to the
- * first byte of the value of the field in question.
- *
- * If the field in question has a NULL value, we return a null
- * pointer and return <*isnull> == true. Otherwise, we return
- * <*isnull> == false.
- *
- * <tup> is the pointer to the heap tuple. <attnum> is the attribute
- * number of the column (field) caller wants. <tupleDesc> is a
- * pointer to the structure describing the row and all its fields.
- * ---------------- */
-char *
-heap_getattr(HeapTuple tup,
- Buffer b,
- int attnum,
- TupleDesc tupleDesc,
- bool *isnull)
-{
- bool localIsNull;
-
- /* ----------------
- * sanity checks
- * ----------------
- */
- Assert(tup != NULL);
-
- if (! PointerIsValid(isnull))
- isnull = &localIsNull;
-
- if (attnum > (int) tup->t_natts) {
- *isnull = true;
- return ((char *) NULL);
- } else if (attnum > 0) {
- /* ----------------
- * take care of user defined attributes
- * ----------------
- */
- return fastgetattr(tup, attnum, tupleDesc, isnull);
- } else {
- /* ----------------
- * take care of system attributes
- * ----------------
- */
- *isnull = false;
- return heap_getsysattr(tup, b, attnum);
- }
-}
-
-/* ----------------
* heap_copytuple
*
* returns a copy of an entire tuple
diff --git a/src/backend/access/common/heapvalid.c b/src/backend/access/common/heapvalid.c
index edb1e07187e..87668fbb438 100644
--- a/src/backend/access/common/heapvalid.c
+++ b/src/backend/access/common/heapvalid.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.14 1997/08/24 23:07:26 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.15 1997/08/26 23:31:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -15,7 +15,7 @@
#include <postgres.h>
#include <fmgr.h>
-#include <access/heaptuple.h>
+#include <access/heapam.h>
#include <access/valid.h>
#include <access/xact.h>
#include <storage/bufpage.h>
diff --git a/src/backend/access/common/printtup.c b/src/backend/access/common/printtup.c
index cb4b2d0be38..98fbddc639d 100644
--- a/src/backend/access/common/printtup.c
+++ b/src/backend/access/common/printtup.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.14 1997/08/18 20:51:30 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.15 1997/08/26 23:31:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,7 +17,7 @@
#include <postgres.h>
#include <fmgr.h>
-#include <access/heaptuple.h>
+#include <access/heapam.h>
#include <access/printtup.h>
#include <catalog/pg_type.h>
#include <libpq/libpq.h>
@@ -91,7 +91,8 @@ printtup(HeapTuple tuple, TupleDesc typeinfo)
j = 0;
k = 1 << 7;
for (i = 0; i < tuple->t_natts; ) {
- attr = heap_getattr(tuple, InvalidBuffer, ++i, typeinfo, &isnull);
+ i++; /* heap_getattr is a macro, so no increment */
+ attr = heap_getattr(tuple, InvalidBuffer, i, typeinfo, &isnull);
if (!isnull)
j |= k;
k >>= 1;
@@ -214,7 +215,8 @@ printtup_internal(HeapTuple tuple, TupleDesc typeinfo)
j = 0;
k = 1 << 7;
for (i = 0; i < tuple->t_natts; ) {
- attr = heap_getattr(tuple, InvalidBuffer, ++i, typeinfo, &isnull);
+ i++; /* heap_getattr is a macro, so no increment */
+ attr = heap_getattr(tuple, InvalidBuffer, i, typeinfo, &isnull);
if (!isnull)
j |= k;
k >>= 1;
diff --git a/src/backend/access/index/indexam.c b/src/backend/access/index/indexam.c
index 5681e7be4f3..3068f7cceed 100644
--- a/src/backend/access/index/indexam.c
+++ b/src/backend/access/index/indexam.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/index/indexam.c,v 1.12 1997/08/19 21:29:30 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/index/indexam.c,v 1.13 1997/08/26 23:31:28 momjian Exp $
*
* INTERFACE ROUTINES
* index_open - open an index relation by relationId
@@ -69,7 +69,7 @@
#include <utils/relcache.h>
#include <fmgr.h>
#include <storage/lmgr.h>
-#include <access/heaptuple.h>
+#include <access/heapam.h>
/* ----------------
* undefine macros we aren't going to use that would otherwise
diff --git a/src/backend/executor/execJunk.c b/src/backend/executor/execJunk.c
index 8495702dc29..8779647a113 100644
--- a/src/backend/executor/execJunk.c
+++ b/src/backend/executor/execJunk.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execJunk.c,v 1.4 1997/01/10 20:17:25 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execJunk.c,v 1.5 1997/08/26 23:31:37 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,7 +17,6 @@
#include "postgres.h"
#include "utils/palloc.h"
-#include "access/heaptuple.h"
#include "access/heapam.h"
#include "executor/executor.h"
#include "nodes/relation.h"
diff --git a/src/backend/executor/nodeUnique.c b/src/backend/executor/nodeUnique.c
index f0bbc13c3ca..65c3bea76e0 100644
--- a/src/backend/executor/nodeUnique.c
+++ b/src/backend/executor/nodeUnique.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.6 1997/01/10 20:17:38 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.7 1997/08/26 23:31:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -31,7 +31,6 @@
#include "executor/nodeUnique.h"
#include "optimizer/clauses.h"
#include "access/heapam.h"
-#include "access/heaptuple.h"
#include "access/printtup.h" /* for typtoout() */
#include "utils/builtins.h" /* for namecpy()*/
diff --git a/src/include/access/heapam.h b/src/include/access/heapam.h
index f16a3bec536..9fdb9af8e75 100644
--- a/src/include/access/heapam.h
+++ b/src/include/access/heapam.h
@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: heapam.h,v 1.7 1997/08/19 21:37:30 momjian Exp $
+ * $Id: heapam.h,v 1.8 1997/08/26 23:31:53 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -78,6 +78,30 @@ typedef HeapAccessStatisticsData *HeapAccessStatistics;
#define IncrHeapAccessStat(x) \
(heap_access_stats == NULL ? 0 : (heap_access_stats->x)++)
+/* ----------------
+ * heap_getattr
+ *
+ * Find a particular field in a row represented as a heap tuple.
+ * We return a pointer into that heap tuple, which points to the
+ * first byte of the value of the field in question.
+ *
+ * If the field in question has a NULL value, we return a null
+ * pointer and return <*isnull> == true. Otherwise, we return
+ * <*isnull> == false.
+ *
+ * <tup> is the pointer to the heap tuple. <attnum> is the attribute
+ * number of the column (field) caller wants. <tupleDesc> is a
+ * pointer to the structure describing the row and all its fields.
+ * ---------------- */
+#define heap_getattr(tup, b, attnum, tupleDesc, isnull) \
+ (AssertMacro((tup) != NULL) ? \
+ ((attnum) > (int) (tup)->t_natts) ? \
+ (((isnull) ? (*(isnull) = true) : NULL), (char *) NULL) : \
+ ((attnum) > 0) ? \
+ fastgetattr((tup), (attnum), (tupleDesc), (isnull)) : \
+ (((isnull) ? (*(isnull) = false) : NULL), heap_getsysattr((tup), (b), (attnum))) : \
+ (char *) NULL)
+
extern HeapAccessStatistics heap_access_stats; /* in stats.c */
/* ----------------
@@ -114,10 +138,9 @@ extern void DataFill(char *data, TupleDesc tupleDesc,
extern int heap_attisnull(HeapTuple tup, int attnum);
extern int heap_sysattrlen(AttrNumber attno);
extern bool heap_sysattrbyval(AttrNumber attno);
+extern char *heap_getsysattr(HeapTuple tup, Buffer b, int attnum);
extern char *fastgetattr(HeapTuple tup, int attnum,
TupleDesc att, bool *isnull);
-extern char *heap_getattr(HeapTuple tup, Buffer b, int attnum,
- TupleDesc att, bool *isnull);
extern HeapTuple heap_copytuple(HeapTuple tuple);
extern HeapTuple heap_formtuple(TupleDesc tupleDescriptor,
Datum value[], char nulls[]);
diff --git a/src/include/access/heaptuple.h b/src/include/access/heaptuple.h
deleted file mode 100644
index f01217b97c1..00000000000
--- a/src/include/access/heaptuple.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * heaptuple.h--
- *
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: heaptuple.h,v 1.3 1996/11/05 07:18:05 scrappy Exp $
- *
- *-------------------------------------------------------------------------
- */
-#ifndef HEAPTUPLE_H
-#define HEAPTUPLE_H
-
-#include <access/tupdesc.h>
-#include <storage/buf.h>
-#include <access/htup.h>
-
-extern char *heap_getattr(HeapTuple tup,
- Buffer b,
- int attnum,
- TupleDesc tupleDesc,
- bool *isnull);
-
-#endif /* HEAP_TUPLE_H */
diff --git a/src/include/storage/bufpage.h b/src/include/storage/bufpage.h
index b0408106ef7..3607e4e25e2 100644
--- a/src/include/storage/bufpage.h
+++ b/src/include/storage/bufpage.h
@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: bufpage.h,v 1.9 1997/08/24 23:08:01 momjian Exp $
+ * $Id: bufpage.h,v 1.10 1997/08/26 23:31:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -221,7 +221,7 @@ typedef enum {
* Assumes page is locked.
*/
#define PageGetSpecialSize(page) \
- ((uint16) (PageGetPageSize(page) - ((PageHeader)page)->pd_special))
+ ((uint16) (PageGetPageSize(page) - ((PageHeader)(page))->pd_special))
/*
* PageGetSpecialPointer --
@@ -245,8 +245,8 @@ typedef enum {
*/
#define PageGetItem(page, itemId) \
(AssertMacro(PageIsValid(page)) ? \
- AssertMacro(itemId->lp_flags & LP_USED) ? \
- (Item)(((char *)page) + itemId->lp_off) : false : false)
+ AssertMacro((itemId)->lp_flags & LP_USED) ? \
+ (Item)(((char *)(page)) + (itemId)->lp_off) : false : false)
/*
* BufferGetPageSize --
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-29 17:29:56 +0000