Run clang-format on some files in db/db_impl directory (#10869)

Summary:
Run clang-format on some files in db/db_impl/ directory

```
clang-format -i <file>
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10869

Test Plan: make check

Reviewed By: ltamasi

Differential Revision: D40685390

Pulled By: riversand963

fbshipit-source-id: 64449ccb21b0d61c5142eb2bcbff828acb45c154

db/db_impl/compacted_db_impl.cc

@@ -26,16 +26,16 @@ CompactedDBImpl::CompactedDBImpl(const DBOptions& options,
       version_(nullptr),
       user_comparator_(nullptr) {}
 
-CompactedDBImpl::~CompactedDBImpl() {
-}
+CompactedDBImpl::~CompactedDBImpl() {}
 
 size_t CompactedDBImpl::FindFile(const Slice& key) {
   size_t right = files_.num_files - 1;
   auto cmp = [&](const FdWithKeyRange& f, const Slice& k) -> bool {
     return user_comparator_->Compare(ExtractUserKey(f.largest_key), k) < 0;
   };
-  return static_cast<size_t>(std::lower_bound(files_.files,
-                            files_.files + right, key, cmp) - files_.files);
+  return static_cast<size_t>(
+      std::lower_bound(files_.files, files_.files + right, key, cmp) -
+      files_.files);
 }
 
 Status CompactedDBImpl::Get(const ReadOptions& options, ColumnFamilyHandle*,
@@ -228,8 +228,8 @@ Status CompactedDBImpl::Init(const Options& options) {
   return Status::NotSupported("no file exists");
 }
 
-Status CompactedDBImpl::Open(const Options& options,
-                             const std::string& dbname, DB** dbptr) {
+Status CompactedDBImpl::Open(const Options& options, const std::string& dbname,
+                             DB** dbptr) {
   *dbptr = nullptr;
 
   if (options.max_open_files != -1) {

db/db_impl/compacted_db_impl.h

@@ -7,6 +7,7 @@
 #ifndef ROCKSDB_LITE
 #include <string>
 #include <vector>
+
 #include "db/db_impl/db_impl.h"
 
 namespace ROCKSDB_NAMESPACE {

db/db_impl/db_impl.cc

@@ -1357,7 +1357,7 @@ Status DBImpl::SetDBOptions(
       file_options_for_compaction_ = fs_->OptimizeForCompactionTableWrite(
           file_options_for_compaction_, immutable_db_options_);
       versions_->ChangeFileOptions(mutable_db_options_);
-      //TODO(xiez): clarify why apply optimize for read to write options
+      // TODO(xiez): clarify why apply optimize for read to write options
       file_options_for_compaction_ = fs_->OptimizeForCompactionTableRead(
           file_options_for_compaction_, immutable_db_options_);
       file_options_for_compaction_.compaction_readahead_size =
@@ -2357,8 +2357,8 @@ std::vector<Status> DBImpl::MultiGet(
     std::string* timestamp = timestamps ? &(*timestamps)[keys_read] : nullptr;
 
     LookupKey lkey(keys[keys_read], consistent_seqnum, read_options.timestamp);
-    auto cfh =
-        static_cast_with_check<ColumnFamilyHandleImpl>(column_family[keys_read]);
+    auto cfh = static_cast_with_check<ColumnFamilyHandleImpl>(
+        column_family[keys_read]);
     SequenceNumber max_covering_tombstone_seq = 0;
     auto mgd_iter = multiget_cf_data.find(cfh->cfd()->GetID());
     assert(mgd_iter != multiget_cf_data.end());
@@ -3983,8 +3983,7 @@ SuperVersion* DBImpl::GetAndRefSuperVersion(uint32_t column_family_id) {
 void DBImpl::CleanupSuperVersion(SuperVersion* sv) {
   // Release SuperVersion
   if (sv->Unref()) {
-    bool defer_purge =
-            immutable_db_options().avoid_unnecessary_blocking_io;
+    bool defer_purge = immutable_db_options().avoid_unnecessary_blocking_io;
     {
       InstrumentedMutexLock l(&mutex_);
       sv->Cleanup();
@@ -5668,8 +5667,7 @@ Status DBImpl::VerifyChecksumInternal(const ReadOptions& read_options,
     }
   }
 
-  bool defer_purge =
-          immutable_db_options().avoid_unnecessary_blocking_io;
+  bool defer_purge = immutable_db_options().avoid_unnecessary_blocking_io;
   {
     InstrumentedMutexLock l(&mutex_);
     for (auto sv : sv_list) {

db/db_impl/db_impl_open.cc

@@ -270,7 +270,8 @@ Status DBImpl::ValidateOptions(const DBOptions& db_options) {
   if (db_options.unordered_write &&
       !db_options.allow_concurrent_memtable_write) {
     return Status::InvalidArgument(
-        "unordered_write is incompatible with !allow_concurrent_memtable_write");
+        "unordered_write is incompatible with "
+        "!allow_concurrent_memtable_write");
   }
 
   if (db_options.unordered_write && db_options.enable_pipelined_write) {
@@ -1058,9 +1059,8 @@ Status DBImpl::RecoverLogFiles(const std::vector<uint64_t>& wal_numbers,
     std::unique_ptr<SequentialFileReader> file_reader;
     {
       std::unique_ptr<FSSequentialFile> file;
-      status = fs_->NewSequentialFile(fname,
-                                      fs_->OptimizeForLogRead(file_options_),
-                                      &file, nullptr);
+      status = fs_->NewSequentialFile(
+          fname, fs_->OptimizeForLogRead(file_options_), &file, nullptr);
       if (!status.ok()) {
         MaybeIgnoreError(&status);
         if (!status.ok()) {

db/db_impl/db_impl_readonly.h

@@ -9,6 +9,7 @@
 
 #include <string>
 #include <vector>
+
 #include "db/db_impl/db_impl.h"
 
 namespace ROCKSDB_NAMESPACE {

db/db_impl/db_impl_secondary.cc

@@ -157,8 +157,7 @@ Status DBImplSecondary::MaybeInitLogReader(
     {
       std::unique_ptr<FSSequentialFile> file;
       Status status = fs_->NewSequentialFile(
-          fname, fs_->OptimizeForLogRead(file_options_), &file,
-          nullptr);
+          fname, fs_->OptimizeForLogRead(file_options_), &file, nullptr);
       if (!status.ok()) {
         *log_reader = nullptr;
         return status;
@@ -200,7 +199,7 @@ Status DBImplSecondary::RecoverLogFiles(
     assert(reader != nullptr);
   }
   for (auto log_number : log_numbers) {
-    auto it  = log_readers_.find(log_number);
+    auto it = log_readers_.find(log_number);
     assert(it != log_readers_.end());
     log::FragmentBufferedReader* reader = it->second->reader_;
     Status* wal_read_status = it->second->status_;

db/db_impl/db_impl_secondary.h

@@ -47,6 +47,7 @@ class LogReaderContainer {
     delete reporter_;
     delete status_;
   }
+
  private:
   struct LogReporter : public log::Reader::Reporter {
     Env* env;
@@ -247,7 +248,6 @@ class DBImplSecondary : public DBImpl {
   // method can take long time due to all the I/O and CPU costs.
   Status TryCatchUpWithPrimary() override;
 
-
   // Try to find log reader using log_number from log_readers_ map, initialize
   // if it doesn't exist
   Status MaybeInitLogReader(uint64_t log_number,