For protocol-level prepare/bind/execute:

	o  print user name for all
	o  print portal name if defined for all
	o  print query for all
	o  reduce log_statement header to single keyword
	o  print bind parameters as DETAIL if text mode

doc/src/sgml/config.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.71 2006/07/27 08:30:41 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.72 2006/08/08 01:23:15 momjian Exp $ -->
 
 <chapter Id="runtime-config">
   <title>Server Configuration</title>
@@ -2808,7 +2808,11 @@ SELECT * FROM parent WHERE key = 2400;
         <literal>UPDATE</>, <literal>DELETE</>, <literal>TRUNCATE</>,
         and <literal>COPY FROM</>. <literal>PREPARE</> and
         <literal>EXPLAIN ANALYZE</> statements are also logged if their
-        contained command is of an appropriate type.
+        contained command is of an appropriate type.  Protocol-level
+        prepare, bind, and execute commands are logged only if
+        <varname>log_statement</> is <literal>all</>.  Bind parameter 
+        values are also logged if they are supplied in <literal>text</>
+        format.
        </para>
        <para>
         The default is <literal>none</>. Only superusers can change this

src/backend/commands/portalcmds.c

@@ -14,7 +14,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.48 2006/07/13 16:49:14 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.49 2006/08/08 01:23:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -112,6 +112,7 @@ PerformCursorOpen(DeclareCursorStmt *stmt, ParamListInfo params)
 	 * submitted more than one semicolon delimited queries.
 	 */
 	PortalDefineQuery(portal,
+					  NULL,
 					  pstrdup(debug_query_string),
 					  "SELECT", /* cursor's query is always a SELECT */
 					  list_make1(query),

src/backend/commands/prepare.c

@@ -10,7 +10,7 @@
  * Copyright (c) 2002-2006, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.58 2006/07/14 14:52:18 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.59 2006/08/08 01:23:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -201,6 +201,7 @@ ExecuteQuery(ExecuteStmt *stmt, ParamListInfo params,
 	}
 
 	PortalDefineQuery(portal,
+					  NULL,
 					  query_string,
 					  entry->commandTag,
 					  query_list,

src/backend/executor/spi.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.152 2006/07/14 14:52:19 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.153 2006/08/08 01:23:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -919,6 +919,7 @@ SPI_cursor_open(const char *name, void *plan,
 	 * Set up the portal.
 	 */
 	PortalDefineQuery(portal,
+					  NULL,
 					  spiplan->query,
 					  "SELECT", /* don't have the raw parse tree... */
 					  list_make1(queryTree),

src/backend/tcop/postgres.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.495 2006/08/06 02:00:52 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.496 2006/08/08 01:23:15 momjian Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -955,6 +955,7 @@ exec_simple_query(const char *query_string)
 		portal->visible = false;
 
 		PortalDefineQuery(portal,
+						  NULL,
 						  query_string,
 						  commandTag,
 						  querytree_list,
@@ -1146,7 +1147,7 @@ exec_parse_message(const char *query_string,	/* string to execute */
 
 	if (log_statement == LOGSTMT_ALL)
 		ereport(LOG,
-				(errmsg("statement: <protocol> PREPARE %s AS %s",
+				(errmsg("prepare %s:  %s",
 						*stmt_name ? stmt_name : "<unnamed>",
 						query_string)));
 
@@ -1367,6 +1368,7 @@ exec_bind_message(StringInfo input_message)
 	PreparedStatement *pstmt;
 	Portal		portal;
 	ParamListInfo params;
+	StringInfoData str;
 
 	pgstat_report_activity("<BIND>");
 
@@ -1382,6 +1384,9 @@ exec_bind_message(StringInfo input_message)
 	/* Switch back to message context */
 	MemoryContextSwitchTo(MessageContext);
 
+	if (log_statement == LOGSTMT_ALL)
+		initStringInfo(&str);
+
 	/* Get the fixed part of the message */
 	portal_name = pq_getmsgstring(input_message);
 	stmt_name = pq_getmsgstring(input_message);
@@ -1450,13 +1455,6 @@ exec_bind_message(StringInfo input_message)
 	else
 		portal = CreatePortal(portal_name, false, false);
 
-	/* We need to output the parameter values someday */
-	if (log_statement == LOGSTMT_ALL)
-		ereport(LOG,
-				(errmsg("statement: <protocol> <BIND> %s  [PREPARE:  %s]",
-						*portal_name ? portal_name : "<unnamed>",
-						portal->sourceText ? portal->sourceText : "")));
-
 	/*
 	 * Fetch parameters, if any, and store in the portal's memory context.
 	 */
@@ -1519,7 +1517,7 @@ exec_bind_message(StringInfo input_message)
 			else
 				pformat = 0;	/* default = text */
 
-			if (pformat == 0)
+			if (pformat == 0)	/* text mode */
 			{
 				Oid			typinput;
 				Oid			typioparam;
@@ -1540,11 +1538,16 @@ exec_bind_message(StringInfo input_message)
 															   pstring,
 															   typioparam,
 															   -1);
+
+				if (log_statement == LOGSTMT_ALL)
+					appendStringInfo(&str, "%s$%d = \"%s\"",
+						*str.data ? ", " : "", paramno + 1, pstring);
+
 				/* Free result of encoding conversion, if any */
 				if (pstring && pstring != pbuf.data)
 					pfree(pstring);
 			}
-			else if (pformat == 1)
+			else if (pformat == 1)	/* binary mode */
 			{
 				Oid			typreceive;
 				Oid			typioparam;
@@ -1595,6 +1598,26 @@ exec_bind_message(StringInfo input_message)
 	else
 		params = NULL;
 
+	if (log_statement == LOGSTMT_ALL)
+	{
+		if (*str.data)
+			ereport(LOG,
+					(errmsg("bind %s%s%s:  %s",
+							*stmt_name ? stmt_name : "<unnamed>",
+							*portal->name ? "/" : "",
+                	        *portal->name ? portal->name : "",
+							pstmt->query_string ? pstmt->query_string : ""),
+					 errdetail(str.data)));
+		else
+			ereport(LOG,
+					(errmsg("bind %s%s%s:  %s",
+							*stmt_name ? stmt_name : "<unnamed>",
+							*portal->name ? "/" : "",
+                	        *portal->name ? portal->name : "",
+							pstmt->query_string ? pstmt->query_string : "")));
+		pfree(str.data);
+	}
+
 	/* Get the result format codes */
 	numRFormats = pq_getmsgint(input_message, 2);
 	if (numRFormats > 0)
@@ -1628,6 +1651,7 @@ exec_bind_message(StringInfo input_message)
 	 * Define portal and start execution.
 	 */
 	PortalDefineQuery(portal,
+					  *stmt_name ? pstrdup(stmt_name) : NULL,
 					  pstmt->query_string,
 					  pstmt->commandTag,
 					  pstmt->query_list,
@@ -1724,9 +1748,11 @@ exec_execute_message(const char *portal_name, long max_rows)
 	if (log_statement == LOGSTMT_ALL)
 		/* We have the portal, so output the source query. */
 		ereport(LOG,
-				(errmsg("statement: <protocol> %sEXECUTE %s  [PREPARE:  %s]",
-						execute_is_fetch ? "FETCH from " : "",
-						*portal_name ? portal_name : "<unnamed>",
+				(errmsg("execute %s%s%s%s:  %s",
+						execute_is_fetch ? "fetch from " : "",
+						portal->prepStmtName ? portal->prepStmtName : "<unnamed>",
+						*portal->name ? "/" : "",
+                        *portal->name ? portal->name : "",
 						portal->sourceText ? portal->sourceText : "")));
 
 	BeginCommand(portal->commandTag, dest);
@@ -1832,10 +1858,12 @@ exec_execute_message(const char *portal_name, long max_rows)
 								secs, msecs)));
 			else
 				ereport(LOG,
-						(errmsg("duration: %ld.%03d ms  statement: <protocol> %sEXECUTE %s  [PREPARE:  %s]",
+						(errmsg("duration: %ld.%03d ms  execute %s%s%s%s:  %s",
 								secs, msecs,
-								execute_is_fetch ? "FETCH from " : "",
-								*portal_name ? portal_name : "<unnamed>",
+								execute_is_fetch ? "fetch from " : "",
+								portal->prepStmtName ? portal->prepStmtName : "<unnamed>",
+								*portal->name ? "/" : "",
+	    	                    *portal->name ? portal->name : "",
 								portal->sourceText ? portal->sourceText : "")));
 		}
 	}

src/backend/utils/mmgr/portalmem.c

@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/mmgr/portalmem.c,v 1.90 2006/07/14 14:52:25 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/mmgr/portalmem.c,v 1.91 2006/08/08 01:23:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -244,6 +244,7 @@ CreateNewPortal(void)
  */
 void
 PortalDefineQuery(Portal portal,
+				  const char *prepStmtName,
 				  const char *sourceText,
 				  const char *commandTag,
 				  List *parseTrees,
@@ -257,6 +258,7 @@ PortalDefineQuery(Portal portal,
 
 	Assert(commandTag != NULL || parseTrees == NIL);
 
+	portal->prepStmtName = prepStmtName;
 	portal->sourceText = sourceText;
 	portal->commandTag = commandTag;
 	portal->parseTrees = parseTrees;

src/include/utils/portal.h

@@ -39,7 +39,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/portal.h,v 1.63 2006/07/13 18:01:02 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/utils/portal.h,v 1.64 2006/08/08 01:23:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -100,6 +100,7 @@ typedef struct PortalData
 {
 	/* Bookkeeping data */
 	const char *name;			/* portal's name */
+	const char *prepStmtName;	/* protocol prepare name */
 	MemoryContext heap;			/* subsidiary memory for portal */
 	ResourceOwner resowner;		/* resources owned by portal */
 	void		(*cleanup) (Portal portal);		/* cleanup hook */
@@ -202,6 +203,7 @@ extern void PortalDrop(Portal portal, bool isTopCommit);
 extern void DropDependentPortals(MemoryContext queryContext);
 extern Portal GetPortalByName(const char *name);
 extern void PortalDefineQuery(Portal portal,
+				  const char *prepStmtName,
 				  const char *sourceText,
 				  const char *commandTag,
 				  List *parseTrees,