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Fix fetching inexistent batch tokens

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This commit is contained in:
Nicolas Werner 2020-10-02 16:39:20 +02:00
parent c9de044e32
commit 600df6d2ec
1 changed files with 5 additions and 2 deletions
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7
src/Cache.cpp
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@ -687,11 +687,14 @@ Cache::nextBatchToken() const
auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY); auto txn = lmdb::txn::begin(env_, nullptr, MDB_RDONLY);
lmdb::val token; lmdb::val token;
lmdb::dbi_get(txn, syncStateDb_, NEXT_BATCH_KEY, token); auto result = lmdb::dbi_get(txn, syncStateDb_, NEXT_BATCH_KEY, token);
txn.commit(); txn.commit();
return std::string(token.data(), token.size()); if (result)
return std::string(token.data(), token.size());
else
return "";
} }
void void