Add a PQfireResultCreateEvents function to allow applications to mimic the

sequence of operations that libpq goes through while creating a PGresult.
Also, remove ill-considered "const" decoration on parameters passed to
event procedures.

1 files changed, 9 insertions, 6 deletions

diff --git a/src/interfaces/libpq/libpq-events.h b/src/interfaces/libpq/libpq-events.h
index 33e2d5b046c..ae708307cf0 100644
--- a/src/interfaces/libpq/libpq-events.h
+++ b/src/interfaces/libpq/libpq-events.h
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/interfaces/libpq/libpq-events.h,v 1.1 2008/09/17 04:31:08 tgl Exp $
+ * $PostgreSQL: pgsql/src/interfaces/libpq/libpq-events.h,v 1.2 2008/09/19 20:06:13 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -36,22 +36,22 @@ typedef enum
 
 typedef struct
 {
-	const PGconn *conn;
+	PGconn *conn;
 } PGEventRegister;
 
 typedef struct
 {
-	const PGconn *conn;
+	PGconn *conn;
 } PGEventConnReset;
 
 typedef struct
 {
-	const PGconn *conn;
+	PGconn *conn;
 } PGEventConnDestroy;
 
 typedef struct
 {
-	const PGconn *conn;
+	PGconn *conn;
 	PGresult *result;
 } PGEventResultCreate;
 
@@ -63,7 +63,7 @@ typedef struct
 
 typedef struct
 {
-	const PGresult *result;
+	PGresult *result;
 } PGEventResultDestroy;
 
 typedef int (*PGEventProc) (PGEventId evtId, void *evtInfo, void *passThrough);
@@ -84,6 +84,9 @@ extern int	PQresultSetInstanceData(PGresult *result, PGEventProc proc, void *dat
 /* Gets the PGresult instance data for the provided proc. */
 extern void *PQresultInstanceData(const PGresult *result, PGEventProc proc);
 
+/* Fires RESULTCREATE events for an application-created PGresult. */
+extern int	PQfireResultCreateEvents(PGconn *conn, PGresult *res);
+
 #ifdef __cplusplus
 }
 #endif