7e38238981
Summary: Disables GC during recovery of a WritePrepared txn db to avoid GCing uncommitted key values. Closes https://github.com/facebook/rocksdb/pull/2980 Differential Revision: D6000191 Pulled By: maysamyabandeh fbshipit-source-id: fc4d522c643d24ebf043f811fe4ecd0dd0294675
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "db/snapshot_checker.h"
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#ifdef ROCKSDB_LITE
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#include <assert.h>
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#endif // ROCKSDB_LITE
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#include "utilities/transactions/pessimistic_transaction_db.h"
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namespace rocksdb {
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#ifdef ROCKSDB_LITE
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WritePreparedSnapshotChecker::WritePreparedSnapshotChecker(
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WritePreparedTxnDB* txn_db) {}
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bool WritePreparedSnapshotChecker::IsInSnapshot(
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SequenceNumber sequence, SequenceNumber snapshot_sequence) const {
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// Should never be called in LITE mode.
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assert(false);
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return true;
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}
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#else
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WritePreparedSnapshotChecker::WritePreparedSnapshotChecker(
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WritePreparedTxnDB* txn_db)
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: txn_db_(txn_db){};
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bool WritePreparedSnapshotChecker::IsInSnapshot(
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SequenceNumber sequence, SequenceNumber snapshot_sequence) const {
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return txn_db_->IsInSnapshot(sequence, snapshot_sequence);
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}
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#endif // ROCKSDB_LITE
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DisableGCSnapshotChecker DisableGCSnapshotChecker::instance_;
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} // namespace rocksdb
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