store/restore sql_mode which was in force during ctrigger creation (BUG#5891)

other sql_mode fixes


mysql-test/r/information_schema.result:
  changes in information schema
mysql-test/r/trigger.result:
  storing and restoring sql modes for triggers
mysql-test/t/trigger.test:
  storing and restoring parsing modes for triggers
sql/mysqld.cc:
  add length of mode names
sql/parse_file.cc:
  new type of list (ulonglong)
sql/parse_file.h:
  new type of list (ulonglong)
sql/set_var.cc:
  mode output made as static method
sql/set_var.h:
  mode output made as static method
sql/sp_head.cc:
  added sql_mode storing/restoring during SP execution
  optimised sql_mode printing
sql/sp_head.h:
  comment fixed according this changes
sql/sql_show.cc:
  added sql_mode field
sql/sql_trigger.cc:
  store/restore sql_mode which was in force during ctrigger creation
sql/sql_trigger.h:
  store/restore sql_mode which was in force during ctrigger creation
sql/sql_view.cc:
  fixed sql_mode

1 files changed, 2 insertions, 0 deletions

diff --git a/sql/set_var.h b/sql/set_var.h
index a7e680cc7fa..c8b075ddd35 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -361,6 +361,8 @@ public:
   }
   void set_default(THD *thd, enum_var_type type);
   byte *value_ptr(THD *thd, enum_var_type type, LEX_STRING *base);
+  static byte *symbolic_mode_representation(THD *thd, ulong sql_mode,
+                                            ulong *length);
 };