MySQL 8.0.30
Source Code Documentation
partition_value_impl.h
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22
23#ifndef DD__PARTITION_VALUE_IMPL_INCLUDED
24#define DD__PARTITION_VALUE_IMPL_INCLUDED
25
26#include <stddef.h>
27#include <sys/types.h>
28#include <new>
29
30#include "sql/dd/impl/types/weak_object_impl.h" // dd::Weak_object_impl
31#include "sql/dd/sdi_fwd.h"
32#include "sql/dd/string_type.h"
33#include "sql/dd/types/partition_value.h" // dd::Partition_value
34
35namespace dd {
36
37///////////////////////////////////////////////////////////////////////////
38
39class Object_key;
40class Object_table;
41class Open_dictionary_tables_ctx;
42class Partition;
43class Partition_impl;
44class Raw_record;
45class Sdi_rcontext;
46class Sdi_wcontext;
47class Weak_object;
48
49///////////////////////////////////////////////////////////////////////////
50
52 public:
54 : m_max_value(false),
55 m_null_value(false),
56 m_list_num(0),
57 m_column_num(0),
59
61 : m_max_value(false),
62 m_null_value(false),
63 m_list_num(0),
64 m_column_num(0),
66
68
69 ~Partition_value_impl() override = default;
70
71 public:
72 const Object_table &object_table() const override;
73
74 bool validate() const override;
75
76 bool store_attributes(Raw_record *r) override;
77
78 bool restore_attributes(const Raw_record &r) override;
79
80 void serialize(Sdi_wcontext *wctx, Sdi_writer *w) const override;
81
82 bool deserialize(Sdi_rcontext *rctx, const RJ_Value &val) override;
83
85
86 virtual uint ordinal_position() const { return -1; }
87
88 public:
90
91 /////////////////////////////////////////////////////////////////////////
92 // index.
93 /////////////////////////////////////////////////////////////////////////
94
95 const Partition &partition() const override;
96
97 Partition &partition() override;
98
99 /////////////////////////////////////////////////////////////////////////
100 // list_num.
101 /////////////////////////////////////////////////////////////////////////
102
103 uint list_num() const override { return m_list_num; }
104
106
107 /////////////////////////////////////////////////////////////////////////
108 // column_num.
109 /////////////////////////////////////////////////////////////////////////
110
111 uint column_num() const override { return m_column_num; }
112
114
115 /////////////////////////////////////////////////////////////////////////
116 // value.
117 /////////////////////////////////////////////////////////////////////////
118
119 const String_type &value_utf8() const override { return m_value_utf8; }
120
121 void set_value_utf8(const String_type &value) override {
122 m_value_utf8 = value;
123 }
124
125 ////////////////////////////////////////////////////////////////
126 // max_value.
127 /////////////////////////////////////////////////////////////////////////
128
129 bool max_value() const override { return m_max_value; }
130
131 void set_max_value(bool max_value) override { m_max_value = max_value; }
132
133 ////////////////////////////////////////////////////////////////
134 // null_value.
135 /////////////////////////////////////////////////////////////////////////
136
137 bool is_value_null() const override { return m_null_value; }
138
139 void set_value_null(bool is_null) override { m_null_value = is_null; }
140
141 /////////////////////////////////////////////////////////////////////////
142
143 public:
145 return new (std::nothrow) Partition_value_impl(partition);
146 }
147
150 return new (std::nothrow) Partition_value_impl(other, partition);
151 }
152
153 public:
154 void debug_print(String_type &outb) const override;
155
156 public:
157 Object_key *create_primary_key() const override;
158 bool has_new_primary_key() const override;
159
160 private:
161 // Fields
164
167
169
170 // References to other objects
172};
173
174///////////////////////////////////////////////////////////////////////////
175
176/**
177 Used to sort Partition_value objects for the same partition first
178 according to list number and then according to the column number.
179*/
180
183 const dd::Partition_value *pv2) const {
184 return ((pv1->list_num() < pv2->list_num()) ||
185 (pv1->list_num() == pv2->list_num() &&
186 pv1->column_num() < pv2->column_num()));
187 }
188};
189
190///////////////////////////////////////////////////////////////////////////
191
192} // namespace dd
193
194#endif // DD__PARTITION_VALUE_IMPL_INCLUDED
Definition: object_key.h:37
This class represents all data dictionary table like mysql.tables, mysql.columns and more.
Definition: object_table.h:71
Auxiliary class for opening dictionary tables.
Definition: transaction_impl.h:75
Definition: partition_impl.h:59
Definition: partition_value_impl.h:51
void set_value_utf8(const String_type &value) override
Definition: partition_value_impl.h:121
static Partition_value_impl * clone(const Partition_value_impl &other, Partition_impl *partition)
Definition: partition_value_impl.h:148
uint m_list_num
Definition: partition_value_impl.h:165
void debug_print(String_type &outb) const override
Definition: partition_value_impl.cc:145
~Partition_value_impl() override=default
bool m_max_value
Definition: partition_value_impl.h:162
String_type m_value_utf8
Definition: partition_value_impl.h:168
bool restore_attributes(const Raw_record &r) override
Definition: partition_value_impl.cc:81
static void register_tables(Open_dictionary_tables_ctx *otx)
Definition: partition_value_impl.cc:191
uint column_num() const override
Definition: partition_value_impl.h:111
bool is_value_null() const override
Definition: partition_value_impl.h:137
bool validate() const override
Definition: partition_value_impl.cc:69
bool max_value() const override
Definition: partition_value_impl.h:129
Partition_value_impl()
Definition: partition_value_impl.h:53
void serialize(Sdi_wcontext *wctx, Sdi_writer *w) const override
Converts *this into json.
Definition: partition_value_impl.cc:122
uint list_num() const override
Definition: partition_value_impl.h:103
void set_value_null(bool is_null) override
Definition: partition_value_impl.h:139
bool deserialize(Sdi_rcontext *rctx, const RJ_Value &val) override
Re-establishes the state of *this by reading sdi information from the rapidjson DOM subobject provide...
Definition: partition_value_impl.cc:134
bool m_null_value
Definition: partition_value_impl.h:163
Object_key * create_primary_key() const override
Definition: partition_value_impl.cc:162
void set_list_num(uint list_num) override
Definition: partition_value_impl.h:105
const String_type & value_utf8() const override
Definition: partition_value_impl.h:119
void set_ordinal_position(uint)
Definition: partition_value_impl.h:84
void set_max_value(bool max_value) override
Definition: partition_value_impl.h:131
bool has_new_primary_key() const override
Indicates that object is guaranteed to have primary key value which doesn't exist in database (e....
Definition: partition_value_impl.cc:167
static Partition_value_impl * restore_item(Partition_impl *partition)
Definition: partition_value_impl.h:144
void set_column_num(uint column_num) override
Definition: partition_value_impl.h:113
bool store_attributes(Raw_record *r) override
Definition: partition_value_impl.cc:107
const Object_table & object_table() const override
Definition: partition_value_impl.cc:185
virtual uint ordinal_position() const
Definition: partition_value_impl.h:86
const Partition & partition() const override
Definition: partition_value_impl.cc:61
uint m_column_num
Definition: partition_value_impl.h:166
Partition_value_impl(Partition_impl *partition)
Definition: partition_value_impl.h:60
Partition_impl * m_partition
Definition: partition_value_impl.h:171
Definition: partition_value.h:44
virtual uint column_num() const =0
virtual uint list_num() const =0
Definition: partition.h:50
Definition: raw_record.h:45
Opaque context which keeps reusable resoureces needed during deserialization.
Definition: sdi.cc:230
Opaque context which keeps reusable resources needed during serialization.
Definition: sdi.cc:128
Definition: weak_object_impl.h:47
Fido Client Authentication nullptr
Definition: fido_client_plugin.cc:221
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:42
RJ_Writer Sdi_writer
Alias for the rapidjson Writer type to use in serialization.
Definition: sdi_fwd.h:63
rapidjson::GenericValue< RJ_Encoding, RJ_Allocator > RJ_Value
Definition: sdi_fwd.h:48
Char_string_template< String_type_allocator > String_type
Definition: string_type.h:50
const mysql_service_registry_t * r
Definition: pfs_example_plugin_employee.cc:85
This header provides Rapidjson Type Aliases.
Used to sort Partition_value objects for the same partition first according to list number and then a...
Definition: partition_value_impl.h:181
bool operator()(const dd::Partition_value *pv1, const dd::Partition_value *pv2) const
Definition: partition_value_impl.h:182
unsigned int uint
Definition: uca-dump.cc:29