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Force on-the-fly compaction during pertxout upgrade

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This commit is contained in:
Pieter Wuille
2017-06-02 17:52:37 -07:00
parent 0c70e845aa
commit efeb273305
2 changed files with 22 additions and 1 deletions
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17
src/dbwrapper.h
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@@ -321,6 +321,23 @@ public:
pdb->GetApproximateSizes(&range, 1, &size);
return size;
}
/**
* Compact a certain range of keys in the database.
*/
template<typename K>
void CompactRange(const K& key_begin, const K& key_end) const
{
CDataStream ssKey1(SER_DISK, CLIENT_VERSION), ssKey2(SER_DISK, CLIENT_VERSION);
ssKey1.reserve(DBWRAPPER_PREALLOC_KEY_SIZE);
ssKey2.reserve(DBWRAPPER_PREALLOC_KEY_SIZE);
ssKey1 << key_begin;
ssKey2 << key_end;
leveldb::Slice slKey1(ssKey1.data(), ssKey1.size());
leveldb::Slice slKey2(ssKey2.data(), ssKey2.size());
pdb->CompactRange(&slKey1, &slKey2);
}
};
#endif // BITCOIN_DBWRAPPER_H