MySQL 9.0.0
Source Code Documentation
character_sets.h
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23
24#ifndef DD_TABLES__CHARACTER_SETS_INCLUDED
25#define DD_TABLES__CHARACTER_SETS_INCLUDED
26
27#include <string>
28
30#include "sql/dd/string_type.h"
32
33class THD;
34
35struct CHARSET_INFO;
36
37namespace dd {
38class Global_name_key;
39class Raw_record;
40
41namespace tables {
42
43///////////////////////////////////////////////////////////////////////////
44
46 public:
47 static const Character_sets &instance();
48
49 static const CHARSET_INFO *name_collation();
50
52 FIELD_ID = static_cast<uint>(Common_field::ID),
58 NUMBER_OF_FIELDS // Always keep this entry at the end of the enum
59 };
60
62 INDEX_PK_ID = static_cast<uint>(Common_index::PK_ID),
65 };
66
68
70
71 bool populate(THD *thd) const override;
72
73 // Charset objects are not created and cached, the keys are just referenced
74 // in FK constraints from other tables. Accessing charset information from
75 // within the server is done against the 'all_charsets' global structure.
76 Charset *create_entity_object(const Raw_record &) const override;
77
79 const String_type &charset_name);
80};
81
82///////////////////////////////////////////////////////////////////////////
83
84} // namespace tables
85} // namespace dd
86
87#endif // DD_TABLES__CHARACTER_SETS_INCLUDED
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:36
Definition: charset.h:46
Definition: entity_object_table_impl.h:46
Definition: object_keys.h:123
Definition: raw_record.h:46
Definition: character_sets.h:45
Charset * create_entity_object(const Raw_record &) const override
Definition: character_sets.cc:165
enum_foreign_keys
Definition: character_sets.h:67
@ FK_DEFAULT_COLLATION_ID
Definition: character_sets.h:67
enum_fields
Definition: character_sets.h:51
@ FIELD_OPTIONS
Definition: character_sets.h:57
@ FIELD_ID
Definition: character_sets.h:52
@ FIELD_MB_MAX_LENGTH
Definition: character_sets.h:56
@ FIELD_NAME
Definition: character_sets.h:53
@ FIELD_COMMENT
Definition: character_sets.h:55
@ FIELD_DEFAULT_COLLATION_ID
Definition: character_sets.h:54
@ NUMBER_OF_FIELDS
Definition: character_sets.h:58
static bool update_object_key(Global_name_key *key, const String_type &charset_name)
Definition: character_sets.cc:172
enum_indexes
Definition: character_sets.h:61
@ INDEX_UK_DEFAULT_COLLATION_ID
Definition: character_sets.h:64
@ INDEX_PK_ID
Definition: character_sets.h:62
@ INDEX_UK_NAME
Definition: character_sets.h:63
static const Character_sets & instance()
Definition: character_sets.cc:50
static const CHARSET_INFO * name_collation()
Definition: character_sets.cc:57
bool populate(THD *thd) const override
Execute low level code for populating the table.
Definition: character_sets.cc:98
Character_sets()
Definition: character_sets.cc:63
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
required string key
Definition: replication_asynchronous_connection_failover.proto:60
Definition: m_ctype.h:421