MySQL 9.0.0
Source Code Documentation
weak_object.h
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23
24#ifndef DD__WEAK_OBJECT_INCLUDED
25#define DD__WEAK_OBJECT_INCLUDED
26
27#include "sql/dd/string_type.h" // dd::String_type XXX: temporary, debug-only
28
29namespace dd {
30
31///////////////////////////////////////////////////////////////////////////
32
33/**
34 Base class for all data dictionary objects.
35
36 @note This class may be inherited along different paths
37 for some subclasses due to the diamond shaped
38 inheritance hierarchy; thus, direct subclasses
39 must inherit this class virtually.
40*/
41
43 public:
44 // XXX: temporary, debug-only.
45 virtual void debug_print(String_type &outb) const = 0;
46
47 public:
48 Weak_object() = default;
49
50 Weak_object(const Weak_object &) = default;
51
52 virtual ~Weak_object() = default;
53};
54
55///////////////////////////////////////////////////////////////////////////
56
57} // namespace dd
58
59#endif // DD__WEAK_OBJECT_INCLUDED
Base class for all data dictionary objects.
Definition: weak_object.h:42
virtual void debug_print(String_type &outb) const =0
Weak_object(const Weak_object &)=default
Weak_object()=default
virtual ~Weak_object()=default
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:43
Char_string_template< String_type_allocator > String_type
Definition: string_type.h:51