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Storages: disaggregated mode supports storage read thread. (#8272)
ref #6834
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48 changes: 48 additions & 0 deletions
48
dbms/src/Storages/DeltaMerge/Remote/DataStore/DataStoreMock.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| #include <Storages/DeltaMerge/Remote/DataStore/DataStoreMock.h> | ||
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| namespace DB::DM::Remote | ||
| { | ||
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| IPreparedDMFileTokenPtr DataStoreMock::prepareDMFileByKey(const String & remote_key) | ||
| { | ||
| return std::make_shared<MockPreparedDMFileToken>(file_provider, remote_key); | ||
| } | ||
|
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| static std::tuple<String, UInt64> parseDMFilePath(const String & path) | ||
| { | ||
| // Path likes /disk1/data/t_100/stable/dmf_2. | ||
| auto pos = path.find_last_of('_'); | ||
| RUNTIME_CHECK(pos != std::string::npos, path); | ||
| auto file_id = stoul(path.substr(pos + 1)); | ||
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| pos = path.rfind("/dmf_"); | ||
| RUNTIME_CHECK(pos != std::string::npos, path); | ||
| auto parent_path = path.substr(0, pos); | ||
| return std::tuple<String, UInt64>{parent_path, file_id}; | ||
| } | ||
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| DMFilePtr MockPreparedDMFileToken::restore(DMFile::ReadMetaMode read_mode) | ||
| { | ||
| auto [parent_path, file_id] = parseDMFilePath(path); | ||
| return DMFile::restore( | ||
| file_provider, | ||
| file_id, | ||
| /*page_id*/ 0, | ||
| parent_path, | ||
| read_mode); | ||
| } | ||
| } // namespace DB::DM::Remote |
78 changes: 78 additions & 0 deletions
78
dbms/src/Storages/DeltaMerge/Remote/DataStore/DataStoreMock.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #pragma once | ||
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| #include <Encryption/FileProvider.h> | ||
| #include <Storages/DeltaMerge/Remote/DataStore/DataStore.h> | ||
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| namespace DB::DM::Remote | ||
| { | ||
| class DataStoreMock final : public IDataStore | ||
| { | ||
| public: | ||
| explicit DataStoreMock(FileProviderPtr file_provider_) | ||
| : file_provider(file_provider_) | ||
| {} | ||
|
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| ~DataStoreMock() override = default; | ||
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| void putDMFile(DMFilePtr, const S3::DMFileOID &, bool) override | ||
| { | ||
| throw Exception("DataStoreMock::putDMFile unsupported"); | ||
| } | ||
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| IPreparedDMFileTokenPtr prepareDMFile(const S3::DMFileOID &, UInt64) override | ||
| { | ||
| throw Exception("DataStoreMock::prepareDMFile unsupported"); | ||
| } | ||
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| IPreparedDMFileTokenPtr prepareDMFileByKey(const String & remote_key) override; | ||
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| bool putCheckpointFiles(const PS::V3::LocalCheckpointFiles &, StoreID, UInt64) override | ||
| { | ||
| throw Exception("DataStoreMock::putCheckpointFiles unsupported"); | ||
| } | ||
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| std::unordered_map<String, DataFileInfo> getDataFilesInfo(const std::unordered_set<String> &) override | ||
| { | ||
| throw Exception("DataStoreMock::getDataFilesInfo unsupported"); | ||
| } | ||
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| void setTaggingsForKeys(const std::vector<String> &, std::string_view) override | ||
| { | ||
| throw Exception("DataStoreMock::setTaggingsForKeys unsupported"); | ||
| } | ||
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| private: | ||
| FileProviderPtr file_provider; | ||
| }; | ||
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| class MockPreparedDMFileToken : public IPreparedDMFileToken | ||
| { | ||
| public: | ||
| MockPreparedDMFileToken(const FileProviderPtr & file_provider_, const String & path_) | ||
| : IPreparedDMFileToken::IPreparedDMFileToken(file_provider_, {}, 0) | ||
| , path(path_) | ||
| {} | ||
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| ~MockPreparedDMFileToken() override = default; | ||
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| DMFilePtr restore(DMFile::ReadMetaMode read_mode) override; | ||
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| private: | ||
| String path; | ||
| }; | ||
|
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| } // namespace DB::DM::Remote |
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