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Merge pull request #945 from xiong-ang:master

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PiperOrigin-RevId: 420645727
This commit is contained in:
Victor Costan 2022-01-10 02:29:23 +00:00
commit 56f2394250
1 changed files with 6 additions and 5 deletions
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doc/index.md
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@ -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.data(), n, dst);
builtin_policy_->CreateFilter(trimmed.data(), n, dst);
}
};
```