Inlined heap_getattr().

2025-11-03 09:13:20 +03:00 · 1997-08-26 23:31:58 +00:00
parent 20afa04d03
commit 75c6c2b608
9 changed files with 48 additions and 104 deletions
--- 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;
 	}

@@ -659,58 +658,6 @@ 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
 *
--- 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>
--- 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;
--- 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
--- 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"
--- 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()*/