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### What problem does this PR solve? _Briefly describe what this PR aims to solve. Include background context that will help reviewers understand the purpose of the PR._ ### Type of change - [x] New Feature (non-breaking change which adds functionality) --------- Signed-off-by: Jin Hai <[email protected]>
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| // Copyright(C) 2024 InfiniFlow, Inc. All rights reserved. | ||
| // | ||
| // 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 | ||
| // | ||
| // https://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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| module; | ||
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| #include <filesystem> | ||
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| module snapshot; | ||
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| import stl; | ||
| import txn; | ||
| import query_context; | ||
| import table_entry; | ||
| import status; | ||
| import third_party; | ||
| import config; | ||
| import virtual_store; | ||
| import logger; | ||
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| namespace infinity { | ||
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| Status Snapshot::DropSnapshot(QueryContext *query_context, const String &snapshot_name) { | ||
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| String snapshot_dir = query_context->global_config()->SnapshotDir(); | ||
| bool found = false; | ||
| for (const auto &entry : std::filesystem::directory_iterator(snapshot_dir)) { | ||
| if (entry.is_directory()) { | ||
| // Don't search the directory recursively | ||
| } else { | ||
| // Just the file base name | ||
| if (entry.path().stem() == snapshot_name) { | ||
| String extension = entry.path().extension(); | ||
| if (extension == ".json" or extension == ".lz4") { | ||
| VirtualStore::DeleteFile(entry.path().string()); | ||
| found = true; | ||
| } | ||
| } else { | ||
| String filename = entry.path().filename(); | ||
| LOG_WARN(fmt::format("Invalid snapshot file name: {}", filename)); | ||
| } | ||
| } | ||
| } | ||
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| if (!found) { | ||
| return Status::NotFound(fmt::format("Snapshot: {} not found", snapshot_name)); | ||
| } | ||
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| return Status::OK(); | ||
| } | ||
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| } // namespace infinity |
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