MySQL 8.0.29
Source Code Documentation
weak_object.h
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22
23#ifndef DD__WEAK_OBJECT_INCLUDED
24#define DD__WEAK_OBJECT_INCLUDED
25
26#include "sql/dd/string_type.h" // dd::String_type XXX: temporary, debug-only
27
28namespace dd {
29
30///////////////////////////////////////////////////////////////////////////
31
32/**
33 Base class for all data dictionary objects.
34
35 @note This class may be inherited along different paths
36 for some subclasses due to the diamond shaped
37 inheritance hierarchy; thus, direct subclasses
38 must inherit this class virtually.
39*/
40
42 public:
43 // XXX: temporary, debug-only.
44 virtual void debug_print(String_type &outb) const = 0;
45
46 public:
47 Weak_object() = default;
48
49 Weak_object(const Weak_object &) = default;
50
51 virtual ~Weak_object() = default;
52};
53
54///////////////////////////////////////////////////////////////////////////
55
56} // namespace dd
57
58#endif // DD__WEAK_OBJECT_INCLUDED
Base class for all data dictionary objects.
Definition: weak_object.h:41
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:42
Char_string_template< String_type_allocator > String_type
Definition: string_type.h:50