Joedb 10.2.1
The Journal-Only Embedded Database
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Writable_Database.h
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1/////////////////////////////////////////////////////////////////////////////
2//
3// This code was automatically generated by the joedb compiler
4// https://www.joedb.org/
5//
6// Path to compiler: /home/rcoulom/repos/joedb/compcmake/gcc_debug/joedbc
7// Version: 10.2.1
8// joedbc compilation time: Sep 15 2025 20:22:33
9// Generation of this file: 2025-09-15 18:22:57 GMT
10//
11/////////////////////////////////////////////////////////////////////////////
12#ifndef joedb_db_encoded_file_Writable_Database_declared
13#define joedb_db_encoded_file_Writable_Database_declared
14
15#include "joedb/Span.h"
16
17#include "Database_Writable.h"
18
20{
21 namespace detail
22 {
23 class Client_Data;
24 }
25
26 class Client;
27 class Multiplexer;
28 class Memory_Database;
29
30 /// A @ref Database that contains a @ref joedb::Writable_Journal and keeps them in sync
32 {
33 friend class detail::Client_Data;
34 friend class Client;
35 friend class Multiplexer;
36 friend class Memory_Database;
37
38 private:
40 bool ready_to_write;
41
42 void play_journal();
43 void auto_upgrade();
44 void check_single_row();
45 void initialize();
46
48 (
50 joedb::Recovery recovery,
51 bool perform_initialization
52 );
53
54 public:
56
58 (
60 joedb::Recovery recovery
61 );
62
63 const joedb::Readonly_Journal &get_journal() const {return journal;}
64
65 std::string read_blob(joedb::Blob blob) const
66 {
67 return journal.get_file().read_blob(blob);
68 }
69
70 joedb::Blob write_blob(const std::string &data) override
71 {
72 return journal.write_blob(data);
73 }
74
75 int64_t ahead_of_checkpoint() const
76 {
77 return journal.ahead_of_checkpoint();
78 }
79
80 void soft_checkpoint() override
81 {
82 journal.soft_checkpoint();
83 }
84
85 void hard_checkpoint() override
86 {
87 journal.hard_checkpoint();
88 }
89
90 void write_comment(const std::string &comment);
91 void write_timestamp();
92 void write_timestamp(int64_t timestamp);
93 void write_valid_data();
94 void flush() override {journal.flush();}
95
96 void clear_buffer_table();
97
99 {
100 id_of_buffer result(Record_Id(storage_of_buffer.freedom_keeper.get_free_record()));
101 storage_of_buffer.resize(storage_of_buffer.freedom_keeper.size());
103
104 journal.insert_into(Table_Id(1), result.get_record_id());
105 return result;
106 }
107
109 {
111 storage_of_buffer.resize(storage_of_buffer.size() + size);
113 journal.insert_vector(Table_Id(1), result.get_record_id(), size);
114 return result;
115 }
116
118 (
119 joedb::Blob field_value_of_data,
120 int64_t field_value_of_size,
121 int64_t field_value_of_offset
122 )
123 {
124 auto result = new_buffer();
125 set_data(result, field_value_of_data);
126 set_size(result, field_value_of_size);
127 set_offset(result, field_value_of_offset);
128 return result;
129 }
130
132 {
134 journal.delete_from(Table_Id(1), record.get_record_id());
135 }
136
138 {
139 for (size_t i = size; i > 0;)
140 internal_delete_buffer(v[--i].get_record_id());
141 journal.delete_vector(Table_Id(1), v.get_record_id(), size);
142 }
143
144 void set_data(id_of_buffer record, joedb::Blob field_value_of_data)
145 {
146 internal_update_buffer__data(record.get_record_id(), field_value_of_data);
147 journal.update_blob(Table_Id(1), record.get_record_id(), Field_Id(1), field_value_of_data);
148 }
149
150 template<typename F> void update_vector_of_data(id_of_buffer record, size_t size, F f)
151 {
152 joedb::Span<joedb::Blob> span(&storage_of_buffer.field_value_of_data.data()[record.get_id()], size);
153 f(span);
155 journal.update_vector_blob(Table_Id(1), record.get_record_id(), Field_Id(1), size, (span.begin()));
156 }
157
158 void set_size(id_of_buffer record, int64_t field_value_of_size)
159 {
160 internal_update_buffer__size(record.get_record_id(), field_value_of_size);
161 journal.update_int64(Table_Id(1), record.get_record_id(), Field_Id(2), field_value_of_size);
162 }
163
164 template<typename F> void update_vector_of_size(id_of_buffer record, size_t size, F f)
165 {
166 joedb::Span<int64_t> span(&storage_of_buffer.field_value_of_size.data()[record.get_id()], size);
167 f(span);
169 journal.update_vector_int64(Table_Id(1), record.get_record_id(), Field_Id(2), size, (span.begin()));
170 }
171
172 void set_offset(id_of_buffer record, int64_t field_value_of_offset)
173 {
174 internal_update_buffer__offset(record.get_record_id(), field_value_of_offset);
175 journal.update_int64(Table_Id(1), record.get_record_id(), Field_Id(3), field_value_of_offset);
176 }
177
178 template<typename F> void update_vector_of_offset(id_of_buffer record, size_t size, F f)
179 {
180 joedb::Span<int64_t> span(&storage_of_buffer.field_value_of_offset.data()[record.get_id()], size);
181 f(span);
183 journal.update_vector_int64(Table_Id(1), record.get_record_id(), Field_Id(3), size, (span.begin()));
184 }
185
186
187 };}
188
189#endif
std::string read_blob(Blob blob) const
const Abstract_File & get_file() const
T * begin()
Definition Span.h:39
void delete_vector(Table_Id table_id, Record_Id record_id, size_t size) override
void delete_from(Table_Id table_id, Record_Id record_id) override
int64_t ahead_of_checkpoint() const noexcept
void insert_vector(Table_Id table_id, Record_Id record_id, size_t size) override
void insert_into(Table_Id table_id, Record_Id record_id) override
Blob write_blob(const std::string &data) override
Handle concurrent access to a joedb::Abstract_File using a joedb::Connection.
Definition Client.h:44
implement joedb::Writable in a Database
void comment(const std::string &comment) override
void timestamp(int64_t timestamp) override
void internal_delete_buffer(Record_Id record_id)
Definition Database.h:85
void internal_update_buffer__size(Record_Id record_id, int64_t field_value_of_size)
Definition Database.h:129
void internal_update_vector_buffer__data(Record_Id record_id, size_t size, const joedb::Blob *value)
Definition Database.h:116
detail::data_of_buffer storage_of_buffer
Definition Database.h:82
void internal_insert_buffer(Record_Id record_id)
Definition Database.h:94
void internal_update_buffer__offset(Record_Id record_id, int64_t field_value_of_offset)
Definition Database.h:152
void internal_update_buffer__data(Record_Id record_id, joedb::Blob field_value_of_data)
Definition Database.h:106
void internal_update_vector_buffer__offset(Record_Id record_id, size_t size, const int64_t *value)
Definition Database.h:162
void internal_vector_insert_buffer(Record_Id record_id, size_t size)
Definition Database.h:99
void internal_update_vector_buffer__size(Record_Id record_id, size_t size, const int64_t *value)
Definition Database.h:139
Shortcut to directly build a Writable_Database with a Memory_File.
Write simultaneously to the database and the file (ignore schema changes)
Definition Multiplexer.h:40
A Database that contains a joedb::Writable_Journal and keeps them in sync.
void set_data(id_of_buffer record, joedb::Blob field_value_of_data)
std::string read_blob(joedb::Blob blob) const
void update_vector_of_size(id_of_buffer record, size_t size, F f)
void delete_vector_of_buffer(id_of_buffer v, size_t size)
joedb::Blob write_blob(const std::string &data) override
void set_size(id_of_buffer record, int64_t field_value_of_size)
void update_vector_of_data(id_of_buffer record, size_t size, F f)
void set_offset(id_of_buffer record, int64_t field_value_of_offset)
void write_comment(const std::string &comment)
const joedb::Readonly_Journal & get_journal() const
id_of_buffer new_buffer(joedb::Blob field_value_of_data, int64_t field_value_of_size, int64_t field_value_of_offset)
void update_vector_of_offset(id_of_buffer record, size_t size, F f)
Strongly-typed wrapper around an integer representing a row of the buffer table.
Definition ids.h:25
constexpr Record_Id get_record_id() const
Definition ids.h:36
constexpr auto get_id() const
Definition ids.h:35
Automatically generated by joedbc.
Definition Client.h:19