blob: e2c23ecfe85266a62ccc60a682732161aa0d27da (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#include <Storages/MergeTree/ReplicatedMergeTreeMutationEntry.h>
#include <IO/Operators.h>
#include <IO/ReadBufferFromString.h>
#include <IO/WriteBufferFromString.h>
#include <IO/ReadHelpers.h>
#include <Backups/BackupEntryFromMemory.h>
namespace DB
{
void ReplicatedMergeTreeMutationEntry::writeText(WriteBuffer & out) const
{
out << "format version: 1\n"
<< "create time: " << LocalDateTime(create_time ? create_time : time(nullptr), DateLUT::serverTimezoneInstance()) << "\n"
<< "source replica: " << source_replica << "\n"
<< "block numbers count: " << block_numbers.size() << "\n";
for (const auto & kv : block_numbers)
{
const String & partition_id = kv.first;
Int64 number = kv.second;
out << partition_id << "\t" << number << "\n";
}
out << "commands: ";
commands.writeText(out, /* with_pure_metadata_commands = */ false);
out << "\n";
out << "alter version: ";
out << alter_version;
}
void ReplicatedMergeTreeMutationEntry::readText(ReadBuffer & in)
{
in >> "format version: 1\n";
LocalDateTime create_time_dt;
in >> "create time: " >> create_time_dt >> "\n";
create_time = DateLUT::serverTimezoneInstance().makeDateTime(
create_time_dt.year(), create_time_dt.month(), create_time_dt.day(),
create_time_dt.hour(), create_time_dt.minute(), create_time_dt.second());
in >> "source replica: " >> source_replica >> "\n";
size_t count;
in >> "block numbers count: " >> count >> "\n";
for (size_t i = 0; i < count; ++i)
{
String partition_id;
Int64 number;
in >> partition_id >> "\t" >> number >> "\n";
block_numbers[partition_id] = number;
}
in >> "commands: ";
commands.readText(in);
if (checkString("\nalter version: ", in))
in >> alter_version;
}
String ReplicatedMergeTreeMutationEntry::toString() const
{
WriteBufferFromOwnString out;
writeText(out);
return out.str();
}
ReplicatedMergeTreeMutationEntry ReplicatedMergeTreeMutationEntry::parse(const String & str, String znode_name)
{
ReplicatedMergeTreeMutationEntry res;
res.znode_name = std::move(znode_name);
ReadBufferFromString in(str);
res.readText(in);
assertEOF(in);
return res;
}
std::shared_ptr<const IBackupEntry> ReplicatedMergeTreeMutationEntry::backup() const
{
WriteBufferFromOwnString out;
out << "block numbers count: " << block_numbers.size() << "\n";
for (const auto & kv : block_numbers)
{
const String & partition_id = kv.first;
Int64 number = kv.second;
out << partition_id << "\t" << number << "\n";
}
out << "commands: ";
commands.writeText(out, /* with_pure_metadata_commands = */ false);
out << "\n";
return std::make_shared<BackupEntryFromMemory>(out.str());
}
String ReplicatedMergeTreeMutationEntry::getBlockNumbersForLogs() const
{
WriteBufferFromOwnString out;
for (const auto & kv : block_numbers)
out << kv.first << " = " << kv.second << "; ";
return out.str();
}
}
|
