diff -dcrp postgresql.orig/src/backend/parser/gram.y postgresql/src/backend/parser/gram.y
*** postgresql.orig/src/backend/parser/gram.y	2010-10-25 16:11:35.000000000 +0200
--- postgresql/src/backend/parser/gram.y	2010-10-27 14:07:10.000000000 +0200
*************** where_clause:
*** 8389,8395 ****
  /* variant for UPDATE and DELETE */
  where_or_current_clause:
  			WHERE a_expr							{ $$ = $2; }
! 			| WHERE CURRENT_P OF name
  				{
  					CurrentOfExpr *n = makeNode(CurrentOfExpr);
  					/* cvarno is filled in by parse analysis */
--- 8389,8395 ----
  /* variant for UPDATE and DELETE */
  where_or_current_clause:
  			WHERE a_expr							{ $$ = $2; }
! 			| WHERE CURRENT_P OF cursor_name
  				{
  					CurrentOfExpr *n = makeNode(CurrentOfExpr);
  					/* cvarno is filled in by parse analysis */
diff -dcrp postgresql.orig/src/interfaces/ecpg/preproc/ecpg.addons postgresql/src/interfaces/ecpg/preproc/ecpg.addons
*** postgresql.orig/src/interfaces/ecpg/preproc/ecpg.addons	2010-09-21 13:49:59.000000000 +0200
--- postgresql/src/interfaces/ecpg/preproc/ecpg.addons	2010-10-27 14:11:21.000000000 +0200
*************** ECPG: stmtViewStmt rule
*** 192,197 ****
--- 192,202 ----
  
  		output_simple_statement($1);
  	}
+ ECPG: where_or_current_clauseWHERECURRENT_POFcursor_name block
+ 	{
+ 		char *cursor_marker = $4[0] == ':' ? make_str("$0") : $4;
+ 		$$ = cat_str(2,make_str("where current of"), cursor_marker);
+ 	}
  ECPG: CopyStmtCOPYopt_binaryqualified_nameopt_column_listopt_oidscopy_fromcopy_file_namecopy_delimiteropt_withcopy_options addon
  			if (strcmp($6, "to") == 0 && strcmp($7, "stdin") == 0)
  				mmerror(PARSE_ERROR, ET_ERROR, "COPY TO STDIN is not possible");