diff options
Diffstat (limited to 'doc/index.md')
-rw-r--r-- | doc/index.md | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/doc/index.md b/doc/index.md index 3d9a258..0f6d649 100644 --- a/doc/index.md +++ b/doc/index.md @@ -369,6 +369,7 @@ leveldb::Iterator* it = db->NewIterator(options); for (it->SeekToFirst(); it->Valid(); it->Next()) { ... } +delete it; ``` ### Key Layout @@ -424,21 +425,21 @@ spaces. For example: ```c++ class CustomFilterPolicy : public leveldb::FilterPolicy { private: - FilterPolicy* builtin_policy_; + leveldb::FilterPolicy* builtin_policy_; public: - CustomFilterPolicy() : builtin_policy_(NewBloomFilterPolicy(10)) {} + CustomFilterPolicy() : builtin_policy_(leveldb::NewBloomFilterPolicy(10)) {} ~CustomFilterPolicy() { delete builtin_policy_; } const char* Name() const { return "IgnoreTrailingSpacesFilter"; } - void CreateFilter(const Slice* keys, int n, std::string* dst) const { + void CreateFilter(const leveldb::Slice* keys, int n, std::string* dst) const { // Use builtin bloom filter code after removing trailing spaces - std::vector<Slice> trimmed(n); + std::vector<leveldb::Slice> trimmed(n); for (int i = 0; i < n; i++) { trimmed[i] = RemoveTrailingSpaces(keys[i]); } - return builtin_policy_->CreateFilter(&trimmed[i], n, dst); + builtin_policy_->CreateFilter(trimmed.data(), n, dst); } }; ``` @@ -478,7 +479,7 @@ leveldb::Range ranges[2]; ranges[0] = leveldb::Range("a", "c"); ranges[1] = leveldb::Range("x", "z"); uint64_t sizes[2]; -leveldb::Status s = db->GetApproximateSizes(ranges, 2, sizes); +db->GetApproximateSizes(ranges, 2, sizes); ``` The preceding call will set `sizes[0]` to the approximate number of bytes of |