Adding XPath support: ExtractValue and UpdateXML functions.

libmysqld/Makefile.am:
sql/Makefile.am:
  Adding new source files.
  Adding new file into build process.
include/my_xml.h:
strings/xml.c:
  Adding new XML parse flags to skip text normalization and 
  to use relative tag names. Adding enum for XML token types.
sql/lex.h:
  Making parser aware of new SQL functions.
sqll/item_create.h, sql/item_create.cc:
  Adding creators for ExtractValue and UpdateXML.
sql/item.h:
  Adding new Item types: nodeset and nodeset comparator.
sql/item_xmlfunc.h
sql/item_xmlfunc.cc
  Adding new classes implementing XPath functions.
mysql-test/t/xml.test, mysql-test/r/xml.result:
  New files: adding test case

1 files changed, 2 insertions, 1 deletions

diff --git a/sql/item_create.h b/sql/item_create.h
index 35db9be3c89..c76dc6b9ad7 100644
--- a/sql/item_create.h
+++ b/sql/item_create.h
@@ -102,7 +102,8 @@ Item *create_load_file(Item* a);
 Item *create_func_is_free_lock(Item* a);
 Item *create_func_is_used_lock(Item* a);
 Item *create_func_quote(Item* a);
-
+Item *create_func_xml_extractvalue(Item *a, Item *b);
+Item *create_func_xml_update(Item *a, Item *b, Item *c);
 #ifdef HAVE_SPATIAL
 
 Item *create_func_geometry_from_text(Item *a);