mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 19:02:04 +00:00
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
#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)) << "\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);
|
|
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::instance().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);
|
|
out << "\n";
|
|
|
|
return std::make_shared<BackupEntryFromMemory>(out.str());
|
|
}
|
|
|
|
}
|