~drizzle-trunk/drizzle/development

MErge Stewart

added added

removed removed

bool is_null() { return null_value; }

};

class Item_default_value : public Item_field

{

public:

Item *arg;

Item_default_value(Name_resolution_context *context_arg)

:Item_field(context_arg, (const char *)NULL, (const char *)NULL,

(const char *)NULL),

arg(NULL) {}

Item_default_value(Name_resolution_context *context_arg, Item *a)

:Item_field(context_arg, (const char *)NULL, (const char *)NULL,

(const char *)NULL),

arg(a) {}

enum Type type() const { return DEFAULT_VALUE_ITEM; }

bool eq(const Item *item, bool binary_cmp) const;

bool fix_fields(Session *, Item **);

virtual void print(String *str, enum_query_type query_type);

int save_in_field(Field *field_arg, bool no_conversions);

table_map used_tables() const { return (table_map)0L; }

bool walk(Item_processor processor, bool walk_subquery, unsigned char *args)

{

return arg->walk(processor, walk_subquery, args) ||

(this->*processor)(args);

}

Item *transform(Item_transformer transformer, unsigned char *args);

};

#endif /* DRIZZLED_ITEM_COPY_STRING_H */