#include #include #include #include #include namespace DB { void ReplicatedMergeTreeLogEntryData::writeText(WriteBuffer & out) const { out << "format version: 4\n" << "create_time: " << LocalDateTime(create_time ? create_time : time(nullptr)) << "\n" << "source replica: " << source_replica << '\n' << "block_id: " << escape << block_id << '\n'; switch (type) { case GET_PART: out << "get\n" << new_part_name; break; case MERGE_PARTS: out << "merge\n"; for (const String & s : source_parts) out << s << '\n'; out << "into\n" << new_part_name; out << "\ndeduplicate: " << deduplicate; break; case DROP_RANGE: if (detach) out << "detach\n"; else out << "drop\n"; out << new_part_name; break; case CLEAR_COLUMN: out << "clear_column\n" << escape << column_name << "\nfrom\n" << new_part_name; break; case CLEAR_INDEX: out << "clear_index\n" << escape << index_name << "\nfrom\n" << new_part_name; break; case REPLACE_RANGE: out << typeToString(REPLACE_RANGE) << "\n"; replace_range_entry->writeText(out); break; case MUTATE_PART: out << "mutate\n" << source_parts.at(0) << "\n" << "to\n" << new_part_name; break; case ALTER_METADATA: /// Just make local /metadata and /columns consistent with global out << "alter\n"; out << "sync_mode\n"; out << alter_sync_mode << "\n"; out << "mutatation_commands\n"; out << mutation_commands << '\n'; break; default: throw Exception("Unknown log entry type: " + DB::toString(type), ErrorCodes::LOGICAL_ERROR); } out << '\n'; if (quorum) out << "quorum: " << quorum << '\n'; } void ReplicatedMergeTreeLogEntryData::readText(ReadBuffer & in) { UInt8 format_version = 0; String type_str; in >> "format version: " >> format_version >> "\n"; if (format_version < 1 || format_version > 4) throw Exception("Unknown ReplicatedMergeTreeLogEntry format version: " + DB::toString(format_version), ErrorCodes::UNKNOWN_FORMAT_VERSION); if (format_version >= 2) { LocalDateTime create_time_dt; in >> "create_time: " >> create_time_dt >> "\n"; create_time = create_time_dt; } in >> "source replica: " >> source_replica >> "\n"; if (format_version >= 3) { in >> "block_id: " >> escape >> block_id >> "\n"; } in >> type_str >> "\n"; if (type_str == "get") { type = GET_PART; in >> new_part_name; } else if (type_str == "merge") { type = MERGE_PARTS; while (true) { String s; in >> s >> "\n"; if (s == "into") break; source_parts.push_back(s); } in >> new_part_name; if (format_version >= 4) in >> "\ndeduplicate: " >> deduplicate; } else if (type_str == "drop" || type_str == "detach") { type = DROP_RANGE; detach = type_str == "detach"; in >> new_part_name; } else if (type_str == "clear_column") { type = CLEAR_COLUMN; in >> escape >> column_name >> "\nfrom\n" >> new_part_name; } else if (type_str == "clear_index") { type = CLEAR_INDEX; in >> escape >> index_name >> "\nfrom\n" >> new_part_name; } else if (type_str == typeToString(REPLACE_RANGE)) { type = REPLACE_RANGE; replace_range_entry = std::make_shared(); replace_range_entry->readText(in); } else if (type_str == "mutate") { type = MUTATE_PART; String source_part; in >> source_part >> "\n" >> "to\n" >> new_part_name; source_parts.push_back(source_part); } else if (type_str == "alter") { type = ALTER_METADATA; in >> "sync_mode\n"; in >> alter_sync_mode; in >> "mutatation_commands\n"; in >> mutation_commands; } //std::cerr << "Read backn\n"; in >> "\n"; //std::cerr << "Readed\n"; /// Optional field. if (!in.eof()) in >> "quorum: " >> quorum >> "\n"; } void ReplicatedMergeTreeLogEntryData::ReplaceRangeEntry::writeText(WriteBuffer & out) const { out << "drop_range_name: " << drop_range_part_name << "\n"; out << "from_database: " << escape << from_database << "\n"; out << "from_table: " << escape << from_table << "\n"; out << "source_parts: "; writeQuoted(src_part_names, out); out << "\n"; out << "new_parts: "; writeQuoted(new_part_names, out); out << "\n"; out << "part_checksums: "; writeQuoted(part_names_checksums, out); out << "\n"; out << "columns_version: " << columns_version; } void ReplicatedMergeTreeLogEntryData::ReplaceRangeEntry::readText(ReadBuffer & in) { in >> "drop_range_name: " >> drop_range_part_name >> "\n"; in >> "from_database: " >> escape >> from_database >> "\n"; in >> "from_table: " >> escape >> from_table >> "\n"; in >> "source_parts: "; readQuoted(src_part_names, in); in >> "\n"; in >> "new_parts: "; readQuoted(new_part_names, in); in >> "\n"; in >> "part_checksums: "; readQuoted(part_names_checksums, in); in >> "\n"; in >> "columns_version: " >> columns_version; } String ReplicatedMergeTreeLogEntryData::toString() const { WriteBufferFromOwnString out; writeText(out); return out.str(); } ReplicatedMergeTreeLogEntry::Ptr ReplicatedMergeTreeLogEntry::parse(const String & s, const Coordination::Stat & stat) { ReadBufferFromString in(s); Ptr res = std::make_shared(); res->readText(in); assertEOF(in); if (!res->create_time) res->create_time = stat.ctime / 1000; return res; } }