1 files changed, 18 insertions, 1 deletions

diff --git a/sql/set_var.h b/sql/set_var.h
index 6f257e1ace3..5d7463d9fa8 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -28,7 +28,7 @@
 class sys_var;
 class set_var;
 typedef struct system_variables SV;
-extern TYPELIB bool_typelib, delay_key_write_typelib;
+extern TYPELIB bool_typelib, delay_key_write_typelib, sql_mode_typelib;
 
 enum enum_var_type
 {
@@ -56,6 +56,7 @@ public:
   virtual ~sys_var() {}
   virtual bool check(THD *thd, set_var *var) { return 0; }
   bool check_enum(THD *thd, set_var *var, TYPELIB *enum_names);
+  bool check_set(THD *thd, set_var *var, TYPELIB *enum_names);
   virtual bool update(THD *thd, set_var *var)=0;
   virtual void set_default(THD *thd, enum_var_type type) {}
   virtual SHOW_TYPE type() { return SHOW_UNDEF; }
@@ -273,6 +274,7 @@ public:
 
 class sys_var_thd_enum :public sys_var_thd
 {
+protected:
   ulong SV::*offset;
   TYPELIB *enum_names;
 public:
@@ -297,6 +299,21 @@ public:
 };
 
 
+class sys_var_thd_sql_mode :public sys_var_thd_enum
+{
+public:
+  sys_var_thd_sql_mode(const char *name_arg, ulong SV::*offset_arg)
+    :sys_var_thd_enum(name_arg, offset_arg, &sql_mode_typelib)
+  {}
+  bool check(THD *thd, set_var *var)
+  {
+    return check_set(thd, var, enum_names);
+  }
+  void set_default(THD *thd, enum_var_type type);
+  byte *value_ptr(THD *thd, enum_var_type type);
+};
+
+
 class sys_var_thd_bit :public sys_var_thd
 {
   sys_update_func update_func;