MySQL 9.0.0
Source Code Documentation
statistics.h
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23
24#ifndef DD_SYSTEM_VIEWS__STATISTICS_INCLUDED
25#define DD_SYSTEM_VIEWS__STATISTICS_INCLUDED
26
29#include "sql/dd/string_type.h"
30
31namespace dd {
32namespace system_views {
33
34/*
35 The class representing INFORMATION_SCHEMA.STATISTICS system view
36 definition.
37*/
39 : public System_view_impl<System_view_select_definition_impl> {
40 public:
62 };
63
65
66 const String_type &name() const override = 0;
67};
68
69/*
70 The class representing INFORMATION_SCHEMA.STATISTICS system view definition
71*/
73 public:
74 Statistics();
75
76 static const Statistics_base &instance();
77
78 static const String_type &view_name() {
79 static String_type s_view_name("STATISTICS");
80 return s_view_name;
81 }
82
83 const String_type &name() const override { return Statistics::view_name(); }
84};
85
86/*
87 The class represents system view definition used by SHOW STATISTICS when
88*/
90 public:
92
93 static const Statistics_base &instance();
94
95 static const String_type &view_name() {
96 static String_type s_view_name("SHOW_STATISTICS");
97 return s_view_name;
98 }
99
100 const String_type &name() const override {
102 }
103
104 // This view definition is hidden from user.
105 bool hidden() const override { return true; }
106};
107
108} // namespace system_views
109} // namespace dd
110
111#endif // DD_SYSTEM_VIEWS__STATISTICS_INCLUDED
Definition: statistics.h:89
static const String_type & view_name()
Definition: statistics.h:95
bool hidden() const override
Definition: statistics.h:105
Show_statistics()
Definition: statistics.cc:127
static const Statistics_base & instance()
Definition: statistics.cc:38
const String_type & name() const override
Definition: statistics.h:100
Definition: statistics.h:39
const String_type & name() const override=0
Statistics_base()
Definition: statistics.cc:43
enum_fields
Definition: statistics.h:41
@ FIELD_TABLE_SCHEMA
Definition: statistics.h:43
@ FIELD_IS_VISIBLE
Definition: statistics.h:58
@ FIELD_COMMENT
Definition: statistics.h:56
@ FIELD_PACKED
Definition: statistics.h:53
@ FIELD_INDEX_COMMENT
Definition: statistics.h:57
@ FIELD_INDEX_SCHEMA
Definition: statistics.h:46
@ FIELD_INDEX_ORDINAL_POSITION
Definition: statistics.h:59
@ FIELD_SUB_PART
Definition: statistics.h:52
@ FIELD_NON_UNIQUE
Definition: statistics.h:45
@ FIELD_TABLE_CATALOG
Definition: statistics.h:42
@ FIELD_COLUMN_NAME
Definition: statistics.h:49
@ FIELD_INDEX_TYPE
Definition: statistics.h:55
@ FIELD_EXPRESSION
Definition: statistics.h:61
@ FIELD_COLLATION
Definition: statistics.h:50
@ FIELD_INDEX_NAME
Definition: statistics.h:47
@ FIELD_NULLABLE
Definition: statistics.h:54
@ FIELD_CARDINALITY
Definition: statistics.h:51
@ FIELD_SEQ_IN_INDEX
Definition: statistics.h:48
@ FIELD_COLUMN_ORDINAL_POSITION
Definition: statistics.h:60
@ FIELD_TABLE_NAME
Definition: statistics.h:44
Definition: statistics.h:72
static const String_type & view_name()
Definition: statistics.h:78
static const Statistics_base & instance()
Definition: statistics.cc:33
const String_type & name() const override
Definition: statistics.h:83
Statistics()
Definition: statistics.cc:105
Definition: system_view_impl.h:33
const dd::String_type s_view_name
Definition: columns_extensions.cc:41
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