diff options
Diffstat (limited to 'sql/item_xmlfunc.cc')
| -rw-r--r-- | sql/item_xmlfunc.cc | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/sql/item_xmlfunc.cc b/sql/item_xmlfunc.cc index 183c07c1781..b93a83c05a9 100644 --- a/sql/item_xmlfunc.cc +++ b/sql/item_xmlfunc.cc @@ -1,4 +1,4 @@ -/* Copyright (C) 2005-2006 MySQL AB +/* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -1982,6 +1982,9 @@ static int my_xpath_parse_UnionExpr(MY_XPATH *xpath) static int my_xpath_parse_FilterExpr_opt_slashes_RelativeLocationPath(MY_XPATH *xpath) { + Item *context= xpath->context; + int rc; + if (!my_xpath_parse_FilterExpr(xpath)) return 0; @@ -1995,8 +1998,22 @@ my_xpath_parse_FilterExpr_opt_slashes_RelativeLocationPath(MY_XPATH *xpath) return 0; } - my_xpath_parse_term(xpath, MY_XPATH_LEX_SLASH); - return my_xpath_parse_RelativeLocationPath(xpath); + /* + The context for the next relative path is the nodeset + returned by FilterExpr + */ + xpath->context= xpath->item; + + /* treat double slash (//) as /descendant-or-self::node()/ */ + if (my_xpath_parse_term(xpath, MY_XPATH_LEX_SLASH)) + xpath->context= new Item_nodeset_func_descendantbyname(xpath->context, + "*", 1, xpath->pxml, 1); + rc= my_xpath_parse_RelativeLocationPath(xpath); + + /* push back the context and restore the item */ + xpath->item= xpath->context; + xpath->context= context; + return rc; } static int my_xpath_parse_PathExpr(MY_XPATH *xpath) { |