Restructure some header files a bit, in particular heapam.h, by removing some

unnecessary #include lines in it.  Also, move some tuple routine prototypes and
macros to htup.h, which allows removal of heapam.h inclusion from some .c
files.

For this to work, a new header file access/sysattr.h needed to be created,
initially containing attribute numbers of system columns, for pg_dump usage.

While at it, make contrib ltree, intarray and hstore header files more
consistent with our header style.

src/backend/executor/execCurrent.c

@@ -6,12 +6,13 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$PostgreSQL: pgsql/src/backend/executor/execCurrent.c,v 1.6 2008/03/25 22:42:43 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/executor/execCurrent.c,v 1.7 2008/05/12 00:00:48 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
+#include "access/sysattr.h"
 #include "catalog/pg_type.h"
 #include "executor/executor.h"
 #include "utils/builtins.h"

src/backend/executor/execMain.c

@@ -26,7 +26,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.307 2008/05/09 23:32:04 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.308 2008/05/12 00:00:48 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -48,6 +48,8 @@
 #include "optimizer/clauses.h"
 #include "parser/parse_clause.h"
 #include "parser/parsetree.h"
+#include "storage/bufmgr.h"
+#include "storage/lmgr.h"
 #include "storage/smgr.h"
 #include "utils/acl.h"
 #include "utils/lsyscache.h"

src/backend/executor/execQual.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.229 2008/04/13 20:51:20 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.230 2008/05/12 00:00:48 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -36,7 +36,6 @@
 
 #include "postgres.h"
 
-#include "access/heapam.h"
 #include "access/nbtree.h"
 #include "catalog/pg_type.h"
 #include "commands/typecmds.h"

src/backend/executor/execTuples.c

@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.100 2008/01/01 19:45:49 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.101 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -92,9 +92,9 @@
 #include "postgres.h"
 
 #include "funcapi.h"
-#include "access/heapam.h"
 #include "catalog/pg_type.h"
 #include "parser/parse_expr.h"
+#include "storage/bufmgr.h"
 #include "utils/lsyscache.h"
 #include "utils/typcache.h"
 

src/backend/executor/nodeAgg.c

@@ -61,14 +61,13 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.157 2008/03/25 22:42:43 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeAgg.c,v 1.158 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
-#include "access/heapam.h"
 #include "catalog/pg_aggregate.h"
 #include "catalog/pg_proc.h"
 #include "catalog/pg_type.h"

src/backend/executor/nodeBitmapHeapscan.c

@@ -21,7 +21,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeBitmapHeapscan.c,v 1.26 2008/04/10 22:25:25 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeBitmapHeapscan.c,v 1.27 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -39,6 +39,7 @@
 #include "executor/execdebug.h"
 #include "executor/nodeBitmapHeapscan.h"
 #include "pgstat.h"
+#include "storage/bufmgr.h"
 #include "utils/memutils.h"
 #include "utils/snapmgr.h"
 #include "utils/tqual.h"

src/backend/executor/nodeSubplan.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeSubplan.c,v 1.92 2008/01/01 19:45:49 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeSubplan.c,v 1.93 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -20,7 +20,6 @@
 
 #include <math.h>
 
-#include "access/heapam.h"
 #include "executor/executor.h"
 #include "executor/nodeSubplan.h"
 #include "nodes/makefuncs.h"

src/backend/executor/nodeTidscan.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/nodeTidscan.c,v 1.59 2008/04/30 23:28:32 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/nodeTidscan.c,v 1.60 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -25,10 +25,12 @@
 #include "postgres.h"
 
 #include "access/heapam.h"
+#include "access/sysattr.h"
 #include "catalog/pg_type.h"
 #include "executor/execdebug.h"
 #include "executor/nodeTidscan.h"
 #include "optimizer/clauses.h"
+#include "storage/bufmgr.h"
 #include "utils/array.h"
 
 

src/backend/executor/spi.c

@@ -8,13 +8,14 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.193 2008/04/02 18:31:50 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.194 2008/05/12 00:00:49 alvherre Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
 #include "access/printtup.h"
+#include "access/sysattr.h"
 #include "catalog/heap.h"
 #include "commands/trigger.h"
 #include "executor/spi_priv.h"