Adjust handling of command status strings in the presence of rules,

as per recent pghackers discussions.  initdb forced due to change in
fields of stored Query nodes.

src/backend/nodes/copyfuncs.c

@@ -15,7 +15,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.213 2002/09/22 19:42:51 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.214 2002/10/14 22:14:34 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1778,6 +1778,7 @@ _copyQuery(Query *from)
 	Query	   *newnode = makeNode(Query);
 
 	newnode->commandType = from->commandType;
+	newnode->querySource = from->querySource;
 	Node_Copy(from, newnode, utilityStmt);
 	newnode->resultRelation = from->resultRelation;
 	Node_Copy(from, newnode, into);
@@ -1785,7 +1786,6 @@ _copyQuery(Query *from)
 	newnode->isBinary = from->isBinary;
 	newnode->hasAggs = from->hasAggs;
 	newnode->hasSubLinks = from->hasSubLinks;
-	newnode->originalQuery = from->originalQuery;
 
 	Node_Copy(from, newnode, rtable);
 	Node_Copy(from, newnode, jointree);

src/backend/nodes/equalfuncs.c

@@ -20,7 +20,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.160 2002/09/22 19:42:51 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.161 2002/10/14 22:14:34 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -573,6 +573,8 @@ _equalQuery(Query *a, Query *b)
 {
 	if (a->commandType != b->commandType)
 		return false;
+	if (a->querySource != b->querySource)
+		return false;
 	if (!equal(a->utilityStmt, b->utilityStmt))
 		return false;
 	if (a->resultRelation != b->resultRelation)
@@ -587,7 +589,6 @@ _equalQuery(Query *a, Query *b)
 		return false;
 	if (a->hasSubLinks != b->hasSubLinks)
 		return false;
-	/* we deliberately ignore originalQuery */
 	if (!equal(a->rtable, b->rtable))
 		return false;
 	if (!equal(a->jointree, b->jointree))

src/backend/nodes/outfuncs.c

@@ -5,7 +5,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	$Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.175 2002/09/22 19:42:51 tgl Exp $
+ *	$Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.176 2002/10/14 22:14:34 tgl Exp $
  *
  * NOTES
  *	  Every (plan) node in POSTGRES has an associated "out" routine which
@@ -229,7 +229,8 @@ _outIndexElem(StringInfo str, IndexElem *node)
 static void
 _outQuery(StringInfo str, Query *node)
 {
-	appendStringInfo(str, " QUERY :command %d :utility ", node->commandType);
+	appendStringInfo(str, " QUERY :command %d :source %d :utility ",
+					 (int) node->commandType, (int) node->querySource);
 
 	/*
 	 * Hack to work around missing outfuncs routines for a lot of the
@@ -299,6 +300,8 @@ _outQuery(StringInfo str, Query *node)
 
 	appendStringInfo(str, " :resultRelations ");
 	_outIntList(str, node->resultRelations);
+
+	/* planner-internal fields are not written out */
 }
 
 static void

src/backend/nodes/readfuncs.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.134 2002/09/22 19:42:51 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.135 2002/10/14 22:14:34 tgl Exp $
  *
  * NOTES
  *	  Most of the read functions for plan nodes are tested. (In fact, they
@@ -123,6 +123,10 @@ _readQuery(void)
 	token = pg_strtok(&length); /* get commandType */
 	local_node->commandType = atoi(token);
 
+	token = pg_strtok(&length); /* skip :source */
+	token = pg_strtok(&length); /* get querySource */
+	local_node->querySource = atoi(token);
+
 	token = pg_strtok(&length); /* skip :utility */
 	local_node->utilityStmt = nodeRead(true);
 
@@ -149,9 +153,6 @@ _readQuery(void)
 	token = pg_strtok(&length); /* get hasSubLinks */
 	local_node->hasSubLinks = strtobool(token);
 
-	/* we always want originalQuery to be false in a read-in query */
-	local_node->originalQuery = false;
-
 	token = pg_strtok(&length); /* skip :rtable */
 	local_node->rtable = nodeRead(true);
 
@@ -188,6 +189,8 @@ _readQuery(void)
 	token = pg_strtok(&length); /* skip :resultRelations */
 	local_node->resultRelations = toIntList(nodeRead(true));
 
+	/* planner-internal fields are left zero */
+
 	return local_node;
 }