Make SPI's execution of querystrings follow the rules agreed to for

command status at the interactive level.  SPI_processed, etc are set
in the same way as the returned command status would have been set if
the same querystring were issued interactively.  Per gripe from
Michael Paesold 25-Sep-02.

src/backend/tcop/postgres.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.302 2002/10/14 22:14:35 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.303 2002/10/14 23:49:20 tgl Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -119,8 +119,6 @@ int			XfuncMode = 0;
 static int	InteractiveBackend(StringInfo inBuf);
 static int	SocketBackend(StringInfo inBuf);
 static int	ReadCommand(StringInfo inBuf);
-static List *pg_parse_query(StringInfo query_string, Oid *typev, int nargs);
-static List *pg_analyze_and_rewrite(Node *parsetree);
 static void start_xact_command(void);
 static void finish_xact_command(bool forceCommit);
 static void SigHupHandler(SIGNAL_ARGS);
@@ -367,7 +365,7 @@ pg_parse_and_rewrite(char *query_string,		/* string to execute */
  * we've seen a COMMIT or ABORT command; when we are in abort state, other
  * commands are not processed any further than the raw parse stage.
  */
-static List *
+List *
 pg_parse_query(StringInfo query_string, Oid *typev, int nargs)
 {
 	List	   *raw_parsetree_list;
@@ -395,7 +393,7 @@ pg_parse_query(StringInfo query_string, Oid *typev, int nargs)
  *
  * NOTE: for reasons mentioned above, this must be separate from raw parsing.
  */
-static List *
+List *
 pg_analyze_and_rewrite(Node *parsetree)
 {
 	List	   *querytree_list;
@@ -1769,7 +1767,7 @@ PostgresMain(int argc, char *argv[], const char *username)
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.302 $ $Date: 2002/10/14 22:14:35 $\n");
+		puts("$Revision: 1.303 $ $Date: 2002/10/14 23:49:20 $\n");
 	}
 
 	/*

src/include/executor/spi_priv.h

 /*-------------------------------------------------------------------------
  *
- * spi.c
+ * spi_priv.h
  *				Server Programming Interface private declarations
  *
- * $Header: /cvsroot/pgsql/src/include/executor/spi_priv.h,v 1.12 2002/05/21 22:05:55 tgl Exp $
+ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: spi_priv.h,v 1.13 2002/10/14 23:49:20 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -12,9 +15,9 @@
 
 #include "executor/spi.h"
 
+
 typedef struct
 {
-	List	   *qtlist;
 	uint32		processed;		/* by Executor */
 	SPITupleTable *tuptable;
 	MemoryContext procCxt;		/* procedure context */
@@ -24,13 +27,20 @@ typedef struct
 
 typedef struct
 {
+	/* context containing _SPI_plan itself as well as subsidiary structures */
 	MemoryContext plancxt;
+	/* List of List of querytrees; one sublist per original parsetree */
 	List	   *qtlist;
+	/* List of plan trees --- length == # of querytrees, but flat list */
 	List	   *ptlist;
+	/* Argument types, if a prepared plan */
 	int			nargs;
 	Oid		   *argtypes;
+	/* Command type of last original parsetree */
+	CmdType		origCmdType;
 } _SPI_plan;
 
+
 #define _SPI_CPLAN_CURCXT	0
 #define _SPI_CPLAN_PROCXT	1
 #define _SPI_CPLAN_TOPCXT	2

src/include/tcop/tcopprot.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: tcopprot.h,v 1.49 2002/06/20 20:29:52 momjian Exp $
+ * $Id: tcopprot.h,v 1.50 2002/10/14 23:49:20 tgl Exp $
  *
  * OLD COMMENTS
  *	  This file was created so that other c files could get the two
@@ -35,12 +35,15 @@ extern bool ShowPortNumber;
 
 #ifndef BOOTSTRAP_INCLUDE
 
+extern List *pg_parse_query(StringInfo query_string, Oid *typev, int nargs);
+extern List *pg_analyze_and_rewrite(Node *parsetree);
 extern List *pg_parse_and_rewrite(char *query_string,
 					 Oid *typev, int nargs);
 extern Plan *pg_plan_query(Query *querytree);
 extern void pg_exec_query_string(StringInfo query_string,
 					 CommandDest dest,
 					 MemoryContext parse_context);
+
 #endif   /* BOOTSTRAP_INCLUDE */
 
 extern void die(SIGNAL_ARGS);