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Add support for wide-column point lookups (#10540)

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Summary:
The patch adds a new API `GetEntity` that can be used to perform
wide-column point lookups. It also extends the `Get` code path and
the `MemTable` / `MemTableList` and `Version` / `GetContext` logic
accordingly so that wide-column entities can be served from both
memtables and SSTs. If the result of a lookup is a wide-column entity
(`kTypeWideColumnEntity`), it is passed to the application in deserialized
form; if it is a plain old key-value (`kTypeValue`), it is presented as a
wide-column entity with a single default (anonymous) column.
(In contrast, regular `Get` returns plain old key-values as-is, and
returns the value of the default column for wide-column entities, see
https://github.com/facebook/rocksdb/issues/10483 .)

The result of `GetEntity` is a self-contained `PinnableWideColumns` object.
`PinnableWideColumns` contains a `PinnableSlice`, which either stores the
underlying data in its own buffer or holds on to a cache handle. It also contains
a `WideColumns` instance, which indexes the contents of the `PinnableSlice`,
so applications can access the values of columns efficiently.

There are several pieces of functionality which are currently not supported
for wide-column entities: there is currently no `MultiGetEntity` or wide-column
iterator; also, `Merge` and `GetMergeOperands` are not supported, and there
is no `GetEntity` implementation for read-only and secondary instances.
We plan to implement these in future PRs.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10540

Test Plan: `make check`

Reviewed By: akankshamahajan15

Differential Revision: D38847474

Pulled By: ltamasi

fbshipit-source-id: 42311a34ccdfe88b3775e847a5e2a5296e002b5b
main
Levi Tamasi 2 years ago committed by Facebook GitHub Bot
parent 2553d1efa1
commit 81388b36e0
29 changed files with 512 additions and 241 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 1
      CMakeLists.txt
  2. 2
      TARGETS
  3. 8
      db/db_impl/compacted_db_impl.cc
  4. 108
      db/db_impl/db_impl.cc
  5. 6
      db/db_impl/db_impl.h
  6. 12
      db/db_impl/db_impl_readonly.cc
  7. 18
      db/db_impl/db_impl_secondary.cc
  8. 6
      db/db_memtable_test.cc
  9. 12
      db/flush_job.cc
  10. 26
      db/memtable.cc
  11. 24
      db/memtable.h
  12. 31
      db/memtable_list.cc
  13. 25
      db/memtable_list.h
  14. 105
      db/memtable_list_test.cc
  15. 15
      db/version_set.cc
  16. 3
      db/version_set.h
  17. 76
      db/wide/db_wide_basic_test.cc
  18. 18
      db/wide/wide_columns.cc
  19. 8
      include/rocksdb/db.h
  20. 7
      include/rocksdb/utilities/stackable_db.h
  21. 83
      include/rocksdb/wide_columns.h
  22. 1
      src.mk
  23. 9
      table/block_based/block_based_table_reader_test.cc
  24. 8
      table/block_based/data_block_hash_index_test.cc
  25. 20
      table/cuckoo/cuckoo_table_reader_test.cc
  26. 52
      table/get_context.cc
  27. 9
      table/get_context.h
  28. 4
      table/table_reader_bench.cc
  29. 16
      table/table_test.cc

1
CMakeLists.txt
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@ -684,6 +684,7 @@ set(SOURCES
db/wal_edit.cc db/wal_edit.cc
db/wal_manager.cc db/wal_manager.cc
db/wide/wide_column_serialization.cc db/wide/wide_column_serialization.cc
db/wide/wide_columns.cc
db/write_batch.cc db/write_batch.cc
db/write_batch_base.cc db/write_batch_base.cc
db/write_controller.cc db/write_controller.cc

2
TARGETS
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@ -99,6 +99,7 @@ cpp_library_wrapper(name="rocksdb_lib", srcs=[
"db/wal_edit.cc", "db/wal_edit.cc",
"db/wal_manager.cc", "db/wal_manager.cc",
"db/wide/wide_column_serialization.cc", "db/wide/wide_column_serialization.cc",
"db/wide/wide_columns.cc",
"db/write_batch.cc", "db/write_batch.cc",
"db/write_batch_base.cc", "db/write_batch_base.cc",
"db/write_controller.cc", "db/write_controller.cc",
@ -435,6 +436,7 @@ cpp_library_wrapper(name="rocksdb_whole_archive_lib", srcs=[
"db/wal_edit.cc", "db/wal_edit.cc",
"db/wal_manager.cc", "db/wal_manager.cc",
"db/wide/wide_column_serialization.cc", "db/wide/wide_column_serialization.cc",
"db/wide/wide_columns.cc",
"db/write_batch.cc", "db/write_batch.cc",
"db/write_batch_base.cc", "db/write_batch_base.cc",
"db/write_controller.cc", "db/write_controller.cc",

8
db/db_impl/compacted_db_impl.cc
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@ -72,9 +72,9 @@ Status CompactedDBImpl::Get(const ReadOptions& options, ColumnFamilyHandle*,
user_comparator_->timestamp_size() > 0 ? timestamp : nullptr; user_comparator_->timestamp_size() > 0 ? timestamp : nullptr;
LookupKey lkey(key, kMaxSequenceNumber, options.timestamp); LookupKey lkey(key, kMaxSequenceNumber, options.timestamp);
GetContext get_context(user_comparator_, nullptr, nullptr, nullptr, GetContext get_context(user_comparator_, nullptr, nullptr, nullptr,
GetContext::kNotFound, lkey.user_key(), value, ts, GetContext::kNotFound, lkey.user_key(), value,
nullptr, nullptr, true, nullptr, nullptr, nullptr, /*columns=*/nullptr, ts, nullptr, nullptr, true,
nullptr, &read_cb); nullptr, nullptr, nullptr, nullptr, &read_cb);
const FdWithKeyRange& f = files_.files[FindFile(lkey.user_key())]; const FdWithKeyRange& f = files_.files[FindFile(lkey.user_key())];
if (user_comparator_->CompareWithoutTimestamp( if (user_comparator_->CompareWithoutTimestamp(
@ -159,7 +159,7 @@ std::vector<Status> CompactedDBImpl::MultiGet(
std::string* timestamp = timestamps ? &(*timestamps)[idx] : nullptr; std::string* timestamp = timestamps ? &(*timestamps)[idx] : nullptr;
GetContext get_context( GetContext get_context(
user_comparator_, nullptr, nullptr, nullptr, GetContext::kNotFound, user_comparator_, nullptr, nullptr, nullptr, GetContext::kNotFound,
lkey.user_key(), &pinnable_val, lkey.user_key(), &pinnable_val, /*columns=*/nullptr,
user_comparator_->timestamp_size() > 0 ? timestamp : nullptr, nullptr, user_comparator_->timestamp_size() > 0 ? timestamp : nullptr, nullptr,
nullptr, true, nullptr, nullptr, nullptr, nullptr, &read_cb); nullptr, true, nullptr, nullptr, nullptr, nullptr, &read_cb);
Status s = r->Get(options, lkey.internal_key(), &get_context, nullptr); Status s = r->Get(options, lkey.internal_key(), &get_context, nullptr);

108
db/db_impl/db_impl.cc
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@ -1822,6 +1822,28 @@ Status DBImpl::Get(const ReadOptions& read_options,
return s; return s;
} }
Status DBImpl::GetEntity(const ReadOptions& read_options,
ColumnFamilyHandle* column_family, const Slice& key,
PinnableWideColumns* columns) {
if (!column_family) {
return Status::InvalidArgument(
"Cannot call GetEntity without a column family handle");
}
if (!columns) {
return Status::InvalidArgument(
"Cannot call GetEntity without a PinnableWideColumns object");
}
columns->Reset();
GetImplOptions get_impl_options;
get_impl_options.column_family = column_family;
get_impl_options.columns = columns;
return GetImpl(read_options, key, get_impl_options);
}
bool DBImpl::ShouldReferenceSuperVersion(const MergeContext& merge_context) { bool DBImpl::ShouldReferenceSuperVersion(const MergeContext& merge_context) {
// If both thresholds are reached, a function returning merge operands as // If both thresholds are reached, a function returning merge operands as
// `PinnableSlice`s should reference the `SuperVersion` to avoid large and/or // `PinnableSlice`s should reference the `SuperVersion` to avoid large and/or
@ -1853,7 +1875,8 @@ bool DBImpl::ShouldReferenceSuperVersion(const MergeContext& merge_context) {
Status DBImpl::GetImpl(const ReadOptions& read_options, const Slice& key, Status DBImpl::GetImpl(const ReadOptions& read_options, const Slice& key,
GetImplOptions& get_impl_options) { GetImplOptions& get_impl_options) {
assert(get_impl_options.value != nullptr || assert(get_impl_options.value != nullptr ||
get_impl_options.merge_operands != nullptr); get_impl_options.merge_operands != nullptr ||
get_impl_options.columns != nullptr);
assert(get_impl_options.column_family); assert(get_impl_options.column_family);
@ -1980,31 +2003,46 @@ Status DBImpl::GetImpl(const ReadOptions& read_options, const Slice& key,
if (!skip_memtable) { if (!skip_memtable) {
// Get value associated with key // Get value associated with key
if (get_impl_options.get_value) { if (get_impl_options.get_value) {
if (sv->mem->Get(lkey, get_impl_options.value->GetSelf(), timestamp, &s, if (sv->mem->Get(
&merge_context, &max_covering_tombstone_seq, lkey,
read_options, false /* immutable_memtable */, get_impl_options.value ? get_impl_options.value->GetSelf()
get_impl_options.callback, : nullptr,
get_impl_options.columns, timestamp, &s, &merge_context,
&max_covering_tombstone_seq, read_options,
false /* immutable_memtable */, get_impl_options.callback,
get_impl_options.is_blob_index)) { get_impl_options.is_blob_index)) {
done = true; done = true;
if (get_impl_options.value) {
get_impl_options.value->PinSelf(); get_impl_options.value->PinSelf();
}
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} else if ((s.ok() || s.IsMergeInProgress()) && } else if ((s.ok() || s.IsMergeInProgress()) &&
sv->imm->Get(lkey, get_impl_options.value->GetSelf(), sv->imm->Get(lkey,
timestamp, &s, &merge_context, get_impl_options.value
&max_covering_tombstone_seq, read_options, ? get_impl_options.value->GetSelf()
get_impl_options.callback, : nullptr,
get_impl_options.columns, timestamp, &s,
&merge_context, &max_covering_tombstone_seq,
read_options, get_impl_options.callback,
get_impl_options.is_blob_index)) { get_impl_options.is_blob_index)) {
done = true; done = true;
if (get_impl_options.value) {
get_impl_options.value->PinSelf(); get_impl_options.value->PinSelf();
}
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} }
} else { } else {
// Get Merge Operands associated with key, Merge Operands should not be // Get Merge Operands associated with key, Merge Operands should not be
// merged and raw values should be returned to the user. // merged and raw values should be returned to the user.
if (sv->mem->Get(lkey, /*value*/ nullptr, /*timestamp=*/nullptr, &s, if (sv->mem->Get(lkey, /*value=*/nullptr, /*columns=*/nullptr,
&merge_context, &max_covering_tombstone_seq, /*timestamp=*/nullptr, &s, &merge_context,
read_options, false /* immutable_memtable */, nullptr, &max_covering_tombstone_seq, read_options,
nullptr, false)) { false /* immutable_memtable */, nullptr, nullptr,
false)) {
done = true; done = true;
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} else if ((s.ok() || s.IsMergeInProgress()) && } else if ((s.ok() || s.IsMergeInProgress()) &&
@ -2026,8 +2064,9 @@ Status DBImpl::GetImpl(const ReadOptions& read_options, const Slice& key,
if (!done) { if (!done) {
PERF_TIMER_GUARD(get_from_output_files_time); PERF_TIMER_GUARD(get_from_output_files_time);
sv->current->Get( sv->current->Get(
read_options, lkey, get_impl_options.value, timestamp, &s, read_options, lkey, get_impl_options.value, get_impl_options.columns,
&merge_context, &max_covering_tombstone_seq, &pinned_iters_mgr, timestamp, &s, &merge_context, &max_covering_tombstone_seq,
&pinned_iters_mgr,
get_impl_options.get_value ? get_impl_options.value_found : nullptr, get_impl_options.get_value ? get_impl_options.value_found : nullptr,
nullptr, nullptr, nullptr, nullptr,
get_impl_options.get_value ? get_impl_options.callback : nullptr, get_impl_options.get_value ? get_impl_options.callback : nullptr,
@ -2043,7 +2082,11 @@ Status DBImpl::GetImpl(const ReadOptions& read_options, const Slice& key,
size_t size = 0; size_t size = 0;
if (s.ok()) { if (s.ok()) {
if (get_impl_options.get_value) { if (get_impl_options.get_value) {
if (get_impl_options.value) {
size = get_impl_options.value->size(); size = get_impl_options.value->size();
} else if (get_impl_options.columns) {
size = get_impl_options.columns->serialized_size();
}
} else { } else {
// Return all merge operands for get_impl_options.key // Return all merge operands for get_impl_options.key
*get_impl_options.number_of_operands = *get_impl_options.number_of_operands =
@ -2252,14 +2295,14 @@ std::vector<Status> DBImpl::MultiGet(
has_unpersisted_data_.load(std::memory_order_relaxed)); has_unpersisted_data_.load(std::memory_order_relaxed));
bool done = false; bool done = false;
if (!skip_memtable) { if (!skip_memtable) {
if (super_version->mem->Get(lkey, value, timestamp, &s, &merge_context, if (super_version->mem->Get(
lkey, value, /*columns=*/nullptr, timestamp, &s, &merge_context,
&max_covering_tombstone_seq, read_options, &max_covering_tombstone_seq, read_options,
false /* immutable_memtable */, false /* immutable_memtable */, read_callback)) {
read_callback)) {
done = true; done = true;
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} else if (super_version->imm->Get(lkey, value, timestamp, &s, } else if (super_version->imm->Get(lkey, value, /*columns=*/nullptr,
&merge_context, timestamp, &s, &merge_context,
&max_covering_tombstone_seq, &max_covering_tombstone_seq,
read_options, read_callback)) { read_options, read_callback)) {
done = true; done = true;
@ -2270,9 +2313,9 @@ std::vector<Status> DBImpl::MultiGet(
PinnableSlice pinnable_val; PinnableSlice pinnable_val;
PERF_TIMER_GUARD(get_from_output_files_time); PERF_TIMER_GUARD(get_from_output_files_time);
PinnedIteratorsManager pinned_iters_mgr; PinnedIteratorsManager pinned_iters_mgr;
super_version->current->Get(read_options, lkey, &pinnable_val, timestamp, super_version->current->Get(read_options, lkey, &pinnable_val,
&s, &merge_context, /*columns=*/nullptr, timestamp, &s,
&max_covering_tombstone_seq, &merge_context, &max_covering_tombstone_seq,
&pinned_iters_mgr, /*value_found=*/nullptr, &pinned_iters_mgr, /*value_found=*/nullptr,
/*key_exists=*/nullptr, /*key_exists=*/nullptr,
/*seq=*/nullptr, read_callback); /*seq=*/nullptr, read_callback);
@ -4861,8 +4904,8 @@ Status DBImpl::GetLatestSequenceForKey(
*found_record_for_key = false; *found_record_for_key = false;
// Check if there is a record for this key in the latest memtable // Check if there is a record for this key in the latest memtable
sv->mem->Get(lkey, /*value=*/nullptr, timestamp, &s, &merge_context, sv->mem->Get(lkey, /*value=*/nullptr, /*columns=*/nullptr, timestamp, &s,
&max_covering_tombstone_seq, seq, read_options, &merge_context, &max_covering_tombstone_seq, seq, read_options,
false /* immutable_memtable */, nullptr /*read_callback*/, false /* immutable_memtable */, nullptr /*read_callback*/,
is_blob_index); is_blob_index);
@ -4895,8 +4938,8 @@ Status DBImpl::GetLatestSequenceForKey(
} }
// Check if there is a record for this key in the immutable memtables // Check if there is a record for this key in the immutable memtables
sv->imm->Get(lkey, /*value=*/nullptr, timestamp, &s, &merge_context, sv->imm->Get(lkey, /*value=*/nullptr, /*columns=*/nullptr, timestamp, &s,
&max_covering_tombstone_seq, seq, read_options, &merge_context, &max_covering_tombstone_seq, seq, read_options,
nullptr /*read_callback*/, is_blob_index); nullptr /*read_callback*/, is_blob_index);
if (!(s.ok() || s.IsNotFound() || s.IsMergeInProgress())) { if (!(s.ok() || s.IsNotFound() || s.IsMergeInProgress())) {
@ -4927,9 +4970,10 @@ Status DBImpl::GetLatestSequenceForKey(
} }
// Check if there is a record for this key in the immutable memtables // Check if there is a record for this key in the immutable memtables
sv->imm->GetFromHistory(lkey, /*value=*/nullptr, timestamp, &s, sv->imm->GetFromHistory(lkey, /*value=*/nullptr, /*columns=*/nullptr,
&merge_context, &max_covering_tombstone_seq, seq, timestamp, &s, &merge_context,
read_options, is_blob_index); &max_covering_tombstone_seq, seq, read_options,
is_blob_index);
if (!(s.ok() || s.IsNotFound() || s.IsMergeInProgress())) { if (!(s.ok() || s.IsNotFound() || s.IsMergeInProgress())) {
// unexpected error reading memtable. // unexpected error reading memtable.
@ -4962,8 +5006,8 @@ Status DBImpl::GetLatestSequenceForKey(
if (!cache_only) { if (!cache_only) {
// Check tables // Check tables
PinnedIteratorsManager pinned_iters_mgr; PinnedIteratorsManager pinned_iters_mgr;
sv->current->Get(read_options, lkey, /*value=*/nullptr, timestamp, &s, sv->current->Get(read_options, lkey, /*value=*/nullptr, /*columns=*/nullptr,
&merge_context, &max_covering_tombstone_seq, timestamp, &s, &merge_context, &max_covering_tombstone_seq,
&pinned_iters_mgr, nullptr /* value_found */, &pinned_iters_mgr, nullptr /* value_found */,
found_record_for_key, seq, nullptr /*read_callback*/, found_record_for_key, seq, nullptr /*read_callback*/,
is_blob_index); is_blob_index);

6
db/db_impl/db_impl.h
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@ -238,6 +238,11 @@ class DBImpl : public DB {
ColumnFamilyHandle* column_family, const Slice& key, ColumnFamilyHandle* column_family, const Slice& key,
PinnableSlice* value, std::string* timestamp) override; PinnableSlice* value, std::string* timestamp) override;
using DB::GetEntity;
Status GetEntity(const ReadOptions& options,
ColumnFamilyHandle* column_family, const Slice& key,
PinnableWideColumns* columns) override;
using DB::GetMergeOperands; using DB::GetMergeOperands;
Status GetMergeOperands(const ReadOptions& options, Status GetMergeOperands(const ReadOptions& options,
ColumnFamilyHandle* column_family, const Slice& key, ColumnFamilyHandle* column_family, const Slice& key,
@ -592,6 +597,7 @@ class DBImpl : public DB {
struct GetImplOptions { struct GetImplOptions {
ColumnFamilyHandle* column_family = nullptr; ColumnFamilyHandle* column_family = nullptr;
PinnableSlice* value = nullptr; PinnableSlice* value = nullptr;
PinnableWideColumns* columns = nullptr;
std::string* timestamp = nullptr; std::string* timestamp = nullptr;
bool* value_found = nullptr; bool* value_found = nullptr;
ReadCallback* callback = nullptr; ReadCallback* callback = nullptr;

12
db/db_impl/db_impl_readonly.cc
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@ -85,18 +85,18 @@ Status DBImplReadOnly::Get(const ReadOptions& read_options,
SequenceNumber max_covering_tombstone_seq = 0; SequenceNumber max_covering_tombstone_seq = 0;
LookupKey lkey(key, snapshot, read_options.timestamp); LookupKey lkey(key, snapshot, read_options.timestamp);
PERF_TIMER_STOP(get_snapshot_time); PERF_TIMER_STOP(get_snapshot_time);
if (super_version->mem->Get(lkey, pinnable_val->GetSelf(), ts, &s, if (super_version->mem->Get(lkey, pinnable_val->GetSelf(),
&merge_context, &max_covering_tombstone_seq, /*columns=*/nullptr, ts, &s, &merge_context,
read_options, false /* immutable_memtable */, &max_covering_tombstone_seq, read_options,
&read_cb)) { false /* immutable_memtable */, &read_cb)) {
pinnable_val->PinSelf(); pinnable_val->PinSelf();
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} else { } else {
PERF_TIMER_GUARD(get_from_output_files_time); PERF_TIMER_GUARD(get_from_output_files_time);
PinnedIteratorsManager pinned_iters_mgr; PinnedIteratorsManager pinned_iters_mgr;
super_version->current->Get( super_version->current->Get(
read_options, lkey, pinnable_val, ts, &s, &merge_context, read_options, lkey, pinnable_val, /*columns=*/nullptr, ts, &s,
&max_covering_tombstone_seq, &pinned_iters_mgr, &merge_context, &max_covering_tombstone_seq, &pinned_iters_mgr,
/*value_found*/ nullptr, /*value_found*/ nullptr,
/*key_exists*/ nullptr, /*seq*/ nullptr, &read_cb, /*key_exists*/ nullptr, /*seq*/ nullptr, &read_cb,
/*is_blob*/ nullptr, /*is_blob*/ nullptr,

18
db/db_impl/db_impl_secondary.cc
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@ -390,17 +390,18 @@ Status DBImplSecondary::GetImpl(const ReadOptions& read_options,
const Comparator* ucmp = column_family->GetComparator(); const Comparator* ucmp = column_family->GetComparator();
assert(ucmp); assert(ucmp);
std::string* ts = ucmp->timestamp_size() > 0 ? timestamp : nullptr; std::string* ts = ucmp->timestamp_size() > 0 ? timestamp : nullptr;
if (super_version->mem->Get(lkey, pinnable_val->GetSelf(), ts, &s, if (super_version->mem->Get(lkey, pinnable_val->GetSelf(),
&merge_context, &max_covering_tombstone_seq, /*columns=*/nullptr, ts, &s, &merge_context,
read_options, false /* immutable_memtable */, &max_covering_tombstone_seq, read_options,
&read_cb)) { false /* immutable_memtable */, &read_cb)) {
done = true; done = true;
pinnable_val->PinSelf(); pinnable_val->PinSelf();
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
} else if ((s.ok() || s.IsMergeInProgress()) && } else if ((s.ok() || s.IsMergeInProgress()) &&
super_version->imm->Get( super_version->imm->Get(
lkey, pinnable_val->GetSelf(), ts, &s, &merge_context, lkey, pinnable_val->GetSelf(), /*columns=*/nullptr, ts, &s,
&max_covering_tombstone_seq, read_options, &read_cb)) { &merge_context, &max_covering_tombstone_seq, read_options,
&read_cb)) {
done = true; done = true;
pinnable_val->PinSelf(); pinnable_val->PinSelf();
RecordTick(stats_, MEMTABLE_HIT); RecordTick(stats_, MEMTABLE_HIT);
@ -413,8 +414,9 @@ Status DBImplSecondary::GetImpl(const ReadOptions& read_options,
PERF_TIMER_GUARD(get_from_output_files_time); PERF_TIMER_GUARD(get_from_output_files_time);
PinnedIteratorsManager pinned_iters_mgr; PinnedIteratorsManager pinned_iters_mgr;
super_version->current->Get( super_version->current->Get(
read_options, lkey, pinnable_val, ts, &s, &merge_context, read_options, lkey, pinnable_val, /*columns=*/nullptr, ts, &s,
&max_covering_tombstone_seq, &pinned_iters_mgr, /*value_found*/ nullptr, &merge_context, &max_covering_tombstone_seq, &pinned_iters_mgr,
/*value_found*/ nullptr,
/*key_exists*/ nullptr, /*seq*/ nullptr, &read_cb, /*is_blob*/ nullptr, /*key_exists*/ nullptr, /*seq*/ nullptr, &read_cb, /*is_blob*/ nullptr,
/*do_merge*/ true); /*do_merge*/ true);
RecordTick(stats_, MEMTABLE_MISS); RecordTick(stats_, MEMTABLE_MISS);

6
db/db_memtable_test.cc
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@ -262,9 +262,9 @@ TEST_F(DBMemTableTest, ConcurrentMergeWrite) {
ReadOptions roptions; ReadOptions roptions;
SequenceNumber max_covering_tombstone_seq = 0; SequenceNumber max_covering_tombstone_seq = 0;
LookupKey lkey("key", kMaxSequenceNumber); LookupKey lkey("key", kMaxSequenceNumber);
bool res = mem->Get(lkey, &value, /*timestamp=*/nullptr, &status, bool res = mem->Get(lkey, &value, /*columns=*/nullptr, /*timestamp=*/nullptr,
&merge_context, &max_covering_tombstone_seq, roptions, &status, &merge_context, &max_covering_tombstone_seq,
false /* immutable_memtable */); roptions, false /* immutable_memtable */);
ASSERT_OK(status); ASSERT_OK(status);
ASSERT_TRUE(res); ASSERT_TRUE(res);
uint64_t ivalue = DecodeFixed64(Slice(value).data()); uint64_t ivalue = DecodeFixed64(Slice(value).data());

12
db/flush_job.cc
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@ -734,9 +734,9 @@ bool FlushJob::MemPurgeDecider(double threshold) {
min_seqno_snapshot < kMaxSequenceNumber ? &min_snapshot : nullptr; min_seqno_snapshot < kMaxSequenceNumber ? &min_snapshot : nullptr;
// Estimate if the sample entry is valid or not. // Estimate if the sample entry is valid or not.
get_res = mt->Get(lkey, &vget, nullptr, &mget_s, &merge_context, get_res = mt->Get(lkey, &vget, /*columns=*/nullptr, /*timestamp=*/nullptr,
&max_covering_tombstone_seq, &sqno, ro, &mget_s, &merge_context, &max_covering_tombstone_seq,
true /* immutable_memtable */); &sqno, ro, true /* immutable_memtable */);
if (!get_res) { if (!get_res) {
ROCKS_LOG_WARN( ROCKS_LOG_WARN(
db_options_.info_log, db_options_.info_log,
@ -776,9 +776,9 @@ bool FlushJob::MemPurgeDecider(double threshold) {
for (auto next_mem_iter = mem_iter + 1; for (auto next_mem_iter = mem_iter + 1;
next_mem_iter != std::end(mems_); next_mem_iter++) { next_mem_iter != std::end(mems_); next_mem_iter++) {
if ((*next_mem_iter) if ((*next_mem_iter)
->Get(lkey, &vget, nullptr, &mget_s, &merge_context, ->Get(lkey, &vget, /*columns=*/nullptr, /*timestamp=*/nullptr,
&max_covering_tombstone_seq, &sqno, ro, &mget_s, &merge_context, &max_covering_tombstone_seq,
true /* immutable_memtable */)) { &sqno, ro, true /* immutable_memtable */)) {
not_in_next_mems = false; not_in_next_mems = false;
break; break;
} }

26
db/memtable.cc
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@ -836,6 +836,7 @@ struct Saver {
bool* found_final_value; // Is value set correctly? Used by KeyMayExist bool* found_final_value; // Is value set correctly? Used by KeyMayExist
bool* merge_in_progress; bool* merge_in_progress;
std::string* value; std::string* value;
PinnableWideColumns* columns;
SequenceNumber seq; SequenceNumber seq;
std::string* timestamp; std::string* timestamp;
const MergeOperator* merge_operator; const MergeOperator* merge_operator;
@ -866,6 +867,7 @@ static bool SaveValue(void* arg, const char* entry) {
TEST_SYNC_POINT_CALLBACK("Memtable::SaveValue:Begin:entry", &entry); TEST_SYNC_POINT_CALLBACK("Memtable::SaveValue:Begin:entry", &entry);
Saver* s = reinterpret_cast<Saver*>(arg); Saver* s = reinterpret_cast<Saver*>(arg);
assert(s != nullptr); assert(s != nullptr);
assert(!s->value || !s->columns);
if (s->protection_bytes_per_key > 0) { if (s->protection_bytes_per_key > 0) {
*(s->status) = MemTable::VerifyEntryChecksum( *(s->status) = MemTable::VerifyEntryChecksum(
@ -957,7 +959,7 @@ static bool SaveValue(void* arg, const char* entry) {
// raw merge operands to the user // raw merge operands to the user
merge_context->PushOperand( merge_context->PushOperand(
v, s->inplace_update_support == false /* operand_pinned */); v, s->inplace_update_support == false /* operand_pinned */);
} else if (s->value != nullptr) { } else if (s->value) {
if (type != kTypeWideColumnEntity) { if (type != kTypeWideColumnEntity) {
assert(type == kTypeValue || type == kTypeBlobIndex); assert(type == kTypeValue || type == kTypeBlobIndex);
s->value->assign(v.data(), v.size()); s->value->assign(v.data(), v.size());
@ -969,7 +971,14 @@ static bool SaveValue(void* arg, const char* entry) {
s->value->assign(value.data(), value.size()); s->value->assign(value.data(), value.size());
} }
} }
} else if (s->columns) {
if (type != kTypeWideColumnEntity) {
s->columns->SetPlainValue(v);
} else {
*(s->status) = s->columns->SetWideColumnValue(v);
}
} }
if (s->inplace_update_support) { if (s->inplace_update_support) {
s->mem->GetLock(s->key->user_key())->ReadUnlock(); s->mem->GetLock(s->key->user_key())->ReadUnlock();
} }
@ -1051,8 +1060,8 @@ static bool SaveValue(void* arg, const char* entry) {
} }
bool MemTable::Get(const LookupKey& key, std::string* value, bool MemTable::Get(const LookupKey& key, std::string* value,
std::string* timestamp, Status* s, PinnableWideColumns* columns, std::string* timestamp,
MergeContext* merge_context, Status* s, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
SequenceNumber* seq, const ReadOptions& read_opts, SequenceNumber* seq, const ReadOptions& read_opts,
bool immutable_memtable, ReadCallback* callback, bool immutable_memtable, ReadCallback* callback,
@ -1105,8 +1114,8 @@ bool MemTable::Get(const LookupKey& key, std::string* value,
PERF_COUNTER_ADD(bloom_memtable_hit_count, 1); PERF_COUNTER_ADD(bloom_memtable_hit_count, 1);
} }
GetFromTable(key, *max_covering_tombstone_seq, do_merge, callback, GetFromTable(key, *max_covering_tombstone_seq, do_merge, callback,
is_blob_index, value, timestamp, s, merge_context, seq, is_blob_index, value, columns, timestamp, s, merge_context,
&found_final_value, &merge_in_progress); seq, &found_final_value, &merge_in_progress);
} }
// No change to value, since we have not yet found a Put/Delete // No change to value, since we have not yet found a Put/Delete
@ -1122,6 +1131,7 @@ void MemTable::GetFromTable(const LookupKey& key,
SequenceNumber max_covering_tombstone_seq, SequenceNumber max_covering_tombstone_seq,
bool do_merge, ReadCallback* callback, bool do_merge, ReadCallback* callback,
bool* is_blob_index, std::string* value, bool* is_blob_index, std::string* value,
PinnableWideColumns* columns,
std::string* timestamp, Status* s, std::string* timestamp, Status* s,
MergeContext* merge_context, SequenceNumber* seq, MergeContext* merge_context, SequenceNumber* seq,
bool* found_final_value, bool* merge_in_progress) { bool* found_final_value, bool* merge_in_progress) {
@ -1131,6 +1141,7 @@ void MemTable::GetFromTable(const LookupKey& key,
saver.merge_in_progress = merge_in_progress; saver.merge_in_progress = merge_in_progress;
saver.key = &key; saver.key = &key;
saver.value = value; saver.value = value;
saver.columns = columns;
saver.timestamp = timestamp; saver.timestamp = timestamp;
saver.seq = kMaxSequenceNumber; saver.seq = kMaxSequenceNumber;
saver.mem = this; saver.mem = this;
@ -1207,8 +1218,9 @@ void MemTable::MultiGet(const ReadOptions& read_options, MultiGetRange* range,
SequenceNumber dummy_seq; SequenceNumber dummy_seq;
GetFromTable(*(iter->lkey), iter->max_covering_tombstone_seq, true, GetFromTable(*(iter->lkey), iter->max_covering_tombstone_seq, true,
callback, &iter->is_blob_index, iter->value->GetSelf(), callback, &iter->is_blob_index, iter->value->GetSelf(),
iter->timestamp, iter->s, &(iter->merge_context), &dummy_seq, /*columns=*/nullptr, iter->timestamp, iter->s,
&found_final_value, &merge_in_progress); &(iter->merge_context), &dummy_seq, &found_final_value,
&merge_in_progress);
if (!found_final_value && merge_in_progress) { if (!found_final_value && merge_in_progress) {
*(iter->s) = Status::MergeInProgress(); *(iter->s) = Status::MergeInProgress();

24
db/memtable.h
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@ -259,32 +259,23 @@ class MemTable {
// @param immutable_memtable Whether this memtable is immutable. Used // @param immutable_memtable Whether this memtable is immutable. Used
// internally by NewRangeTombstoneIterator(). See comment above // internally by NewRangeTombstoneIterator(). See comment above
// NewRangeTombstoneIterator() for more detail. // NewRangeTombstoneIterator() for more detail.
bool Get(const LookupKey& key, std::string* value, Status* s, bool Get(const LookupKey& key, std::string* value,
PinnableWideColumns* columns, std::string* timestamp, Status* s,
MergeContext* merge_context, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq, SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq,
const ReadOptions& read_opts, bool immutable_memtable, const ReadOptions& read_opts, bool immutable_memtable,
ReadCallback* callback = nullptr, bool* is_blob_index = nullptr, ReadCallback* callback = nullptr, bool* is_blob_index = nullptr,
bool do_merge = true) {
return Get(key, value, /*timestamp=*/nullptr, s, merge_context,
max_covering_tombstone_seq, seq, read_opts, immutable_memtable,
callback, is_blob_index, do_merge);
}
bool Get(const LookupKey& key, std::string* value, std::string* timestamp,
Status* s, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq,
const ReadOptions& read_opts, bool immutable_memtable,
ReadCallback* callback = nullptr, bool* is_blob_index = nullptr,
bool do_merge = true); bool do_merge = true);
bool Get(const LookupKey& key, std::string* value, std::string* timestamp, bool Get(const LookupKey& key, std::string* value,
Status* s, MergeContext* merge_context, PinnableWideColumns* columns, std::string* timestamp, Status* s,
MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
const ReadOptions& read_opts, bool immutable_memtable, const ReadOptions& read_opts, bool immutable_memtable,
ReadCallback* callback = nullptr, bool* is_blob_index = nullptr, ReadCallback* callback = nullptr, bool* is_blob_index = nullptr,
bool do_merge = true) { bool do_merge = true) {
SequenceNumber seq; SequenceNumber seq;
return Get(key, value, timestamp, s, merge_context, return Get(key, value, columns, timestamp, s, merge_context,
max_covering_tombstone_seq, &seq, read_opts, immutable_memtable, max_covering_tombstone_seq, &seq, read_opts, immutable_memtable,
callback, is_blob_index, do_merge); callback, is_blob_index, do_merge);
} }
@ -640,7 +631,8 @@ class MemTable {
void GetFromTable(const LookupKey& key, void GetFromTable(const LookupKey& key,
SequenceNumber max_covering_tombstone_seq, bool do_merge, SequenceNumber max_covering_tombstone_seq, bool do_merge,
ReadCallback* callback, bool* is_blob_index, ReadCallback* callback, bool* is_blob_index,
std::string* value, std::string* timestamp, Status* s, std::string* value, PinnableWideColumns* columns,
std::string* timestamp, Status* s,
MergeContext* merge_context, SequenceNumber* seq, MergeContext* merge_context, SequenceNumber* seq,
bool* found_final_value, bool* merge_in_progress); bool* found_final_value, bool* merge_in_progress);

31
db/memtable_list.cc
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@ -105,14 +105,15 @@ int MemTableList::NumFlushed() const {
// Return the most recent value found, if any. // Return the most recent value found, if any.
// Operands stores the list of merge operations to apply, so far. // Operands stores the list of merge operations to apply, so far.
bool MemTableListVersion::Get(const LookupKey& key, std::string* value, bool MemTableListVersion::Get(const LookupKey& key, std::string* value,
PinnableWideColumns* columns,
std::string* timestamp, Status* s, std::string* timestamp, Status* s,
MergeContext* merge_context, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
SequenceNumber* seq, const ReadOptions& read_opts, SequenceNumber* seq, const ReadOptions& read_opts,
ReadCallback* callback, bool* is_blob_index) { ReadCallback* callback, bool* is_blob_index) {
return GetFromList(&memlist_, key, value, timestamp, s, merge_context, return GetFromList(&memlist_, key, value, columns, timestamp, s,
max_covering_tombstone_seq, seq, read_opts, callback, merge_context, max_covering_tombstone_seq, seq, read_opts,
is_blob_index); callback, is_blob_index);
} }
void MemTableListVersion::MultiGet(const ReadOptions& read_options, void MemTableListVersion::MultiGet(const ReadOptions& read_options,
@ -131,8 +132,8 @@ bool MemTableListVersion::GetMergeOperands(
const LookupKey& key, Status* s, MergeContext* merge_context, const LookupKey& key, Status* s, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, const ReadOptions& read_opts) { SequenceNumber* max_covering_tombstone_seq, const ReadOptions& read_opts) {
for (MemTable* memtable : memlist_) { for (MemTable* memtable : memlist_) {
bool done = bool done = memtable->Get(
memtable->Get(key, /*value*/ nullptr, /*timestamp*/ nullptr, s, key, /*value=*/nullptr, /*columns=*/nullptr, /*timestamp=*/nullptr, s,
merge_context, max_covering_tombstone_seq, read_opts, merge_context, max_covering_tombstone_seq, read_opts,
true /* immutable_memtable */, nullptr, nullptr, false); true /* immutable_memtable */, nullptr, nullptr, false);
if (done) { if (done) {
@ -143,19 +144,21 @@ bool MemTableListVersion::GetMergeOperands(
} }
bool MemTableListVersion::GetFromHistory( bool MemTableListVersion::GetFromHistory(
const LookupKey& key, std::string* value, std::string* timestamp, Status* s, const LookupKey& key, std::string* value, PinnableWideColumns* columns,
MergeContext* merge_context, SequenceNumber* max_covering_tombstone_seq, std::string* timestamp, Status* s, MergeContext* merge_context,
SequenceNumber* seq, const ReadOptions& read_opts, bool* is_blob_index) { SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq,
return GetFromList(&memlist_history_, key, value, timestamp, s, merge_context, const ReadOptions& read_opts, bool* is_blob_index) {
max_covering_tombstone_seq, seq, read_opts, return GetFromList(&memlist_history_, key, value, columns, timestamp, s,
merge_context, max_covering_tombstone_seq, seq, read_opts,
nullptr /*read_callback*/, is_blob_index); nullptr /*read_callback*/, is_blob_index);
} }
bool MemTableListVersion::GetFromList( bool MemTableListVersion::GetFromList(
std::list<MemTable*>* list, const LookupKey& key, std::string* value, std::list<MemTable*>* list, const LookupKey& key, std::string* value,
std::string* timestamp, Status* s, MergeContext* merge_context, PinnableWideColumns* columns, std::string* timestamp, Status* s,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq, MergeContext* merge_context, SequenceNumber* max_covering_tombstone_seq,
const ReadOptions& read_opts, ReadCallback* callback, bool* is_blob_index) { SequenceNumber* seq, const ReadOptions& read_opts, ReadCallback* callback,
bool* is_blob_index) {
*seq = kMaxSequenceNumber; *seq = kMaxSequenceNumber;
for (auto& memtable : *list) { for (auto& memtable : *list) {
@ -163,7 +166,7 @@ bool MemTableListVersion::GetFromList(
SequenceNumber current_seq = kMaxSequenceNumber; SequenceNumber current_seq = kMaxSequenceNumber;
bool done = bool done =
memtable->Get(key, value, timestamp, s, merge_context, memtable->Get(key, value, columns, timestamp, s, merge_context,
max_covering_tombstone_seq, &current_seq, read_opts, max_covering_tombstone_seq, &current_seq, read_opts,
true /* immutable_memtable */, callback, is_blob_index); true /* immutable_memtable */, callback, is_blob_index);
if (*seq == kMaxSequenceNumber) { if (*seq == kMaxSequenceNumber) {

25
db/memtable_list.h
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@ -57,19 +57,21 @@ class MemTableListVersion {
// If any operation was found for this key, its most recent sequence number // If any operation was found for this key, its most recent sequence number
// will be stored in *seq on success (regardless of whether true/false is // will be stored in *seq on success (regardless of whether true/false is
// returned). Otherwise, *seq will be set to kMaxSequenceNumber. // returned). Otherwise, *seq will be set to kMaxSequenceNumber.
bool Get(const LookupKey& key, std::string* value, std::string* timestamp, bool Get(const LookupKey& key, std::string* value,
Status* s, MergeContext* merge_context, PinnableWideColumns* columns, std::string* timestamp, Status* s,
MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq, SequenceNumber* max_covering_tombstone_seq, SequenceNumber* seq,
const ReadOptions& read_opts, ReadCallback* callback = nullptr, const ReadOptions& read_opts, ReadCallback* callback = nullptr,
bool* is_blob_index = nullptr); bool* is_blob_index = nullptr);
bool Get(const LookupKey& key, std::string* value, std::string* timestamp, bool Get(const LookupKey& key, std::string* value,
Status* s, MergeContext* merge_context, PinnableWideColumns* columns, std::string* timestamp, Status* s,
MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
const ReadOptions& read_opts, ReadCallback* callback = nullptr, const ReadOptions& read_opts, ReadCallback* callback = nullptr,
bool* is_blob_index = nullptr) { bool* is_blob_index = nullptr) {
SequenceNumber seq; SequenceNumber seq;
return Get(key, value, timestamp, s, merge_context, return Get(key, value, columns, timestamp, s, merge_context,
max_covering_tombstone_seq, &seq, read_opts, callback, max_covering_tombstone_seq, &seq, read_opts, callback,
is_blob_index); is_blob_index);
} }
@ -89,19 +91,19 @@ class MemTableListVersion {
// queries (such as Transaction validation) as the history may contain // queries (such as Transaction validation) as the history may contain
// writes that are also present in the SST files. // writes that are also present in the SST files.
bool GetFromHistory(const LookupKey& key, std::string* value, bool GetFromHistory(const LookupKey& key, std::string* value,
std::string* timestamp, Status* s, PinnableWideColumns* columns, std::string* timestamp,
MergeContext* merge_context, Status* s, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
SequenceNumber* seq, const ReadOptions& read_opts, SequenceNumber* seq, const ReadOptions& read_opts,
bool* is_blob_index = nullptr); bool* is_blob_index = nullptr);
bool GetFromHistory(const LookupKey& key, std::string* value, bool GetFromHistory(const LookupKey& key, std::string* value,
std::string* timestamp, Status* s, PinnableWideColumns* columns, std::string* timestamp,
MergeContext* merge_context, Status* s, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
const ReadOptions& read_opts, const ReadOptions& read_opts,
bool* is_blob_index = nullptr) { bool* is_blob_index = nullptr) {
SequenceNumber seq; SequenceNumber seq;
return GetFromHistory(key, value, timestamp, s, merge_context, return GetFromHistory(key, value, columns, timestamp, s, merge_context,
max_covering_tombstone_seq, &seq, read_opts, max_covering_tombstone_seq, &seq, read_opts,
is_blob_index); is_blob_index);
} }
@ -158,7 +160,8 @@ class MemTableListVersion {
bool TrimHistory(autovector<MemTable*>* to_delete, size_t usage); bool TrimHistory(autovector<MemTable*>* to_delete, size_t usage);
bool GetFromList(std::list<MemTable*>* list, const LookupKey& key, bool GetFromList(std::list<MemTable*>* list, const LookupKey& key,
std::string* value, std::string* timestamp, Status* s, std::string* value, PinnableWideColumns* columns,
std::string* timestamp, Status* s,
MergeContext* merge_context, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
SequenceNumber* seq, const ReadOptions& read_opts, SequenceNumber* seq, const ReadOptions& read_opts,

105
db/memtable_list_test.cc
Unescape View File

@ -238,8 +238,8 @@ TEST_F(MemTableListTest, GetTest) {
autovector<MemTable*> to_delete; autovector<MemTable*> to_delete;
LookupKey lkey("key1", seq); LookupKey lkey("key1", seq);
bool found = list.current()->Get( bool found = list.current()->Get(lkey, &value, /*columns=*/nullptr,
lkey, &value, /*timestamp*/nullptr, &s, &merge_context, /*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
@ -266,7 +266,7 @@ TEST_F(MemTableListTest, GetTest) {
// Fetch the newly written keys // Fetch the newly written keys
merge_context.Clear(); merge_context.Clear();
found = mem->Get(LookupKey("key1", seq), &value, found = mem->Get(LookupKey("key1", seq), &value, /*columns*/ nullptr,
/*timestamp*/ nullptr, &s, &merge_context, /*timestamp*/ nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions(), &max_covering_tombstone_seq, ReadOptions(),
false /* immutable_memtable */); false /* immutable_memtable */);
@ -274,7 +274,7 @@ TEST_F(MemTableListTest, GetTest) {
ASSERT_EQ(value, "value1"); ASSERT_EQ(value, "value1");
merge_context.Clear(); merge_context.Clear();
found = mem->Get(LookupKey("key1", 2), &value, found = mem->Get(LookupKey("key1", 2), &value, /*columns*/ nullptr,
/*timestamp*/ nullptr, &s, &merge_context, /*timestamp*/ nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions(), &max_covering_tombstone_seq, ReadOptions(),
false /* immutable_memtable */); false /* immutable_memtable */);
@ -282,7 +282,7 @@ TEST_F(MemTableListTest, GetTest) {
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = mem->Get(LookupKey("key2", seq), &value, found = mem->Get(LookupKey("key2", seq), &value, /*columns*/ nullptr,
/*timestamp*/ nullptr, &s, &merge_context, /*timestamp*/ nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions(), &max_covering_tombstone_seq, ReadOptions(),
false /* immutable_memtable */); false /* immutable_memtable */);
@ -319,29 +319,32 @@ TEST_F(MemTableListTest, GetTest) {
// Fetch keys via MemTableList // Fetch keys via MemTableList
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get( found =
LookupKey("key1", seq), &value, /*timestamp*/nullptr, &s, list.current()->Get(LookupKey("key1", seq), &value, /*columns=*/nullptr,
&merge_context, &max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions());
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get( found = list.current()->Get(LookupKey("key1", saved_seq), &value,
LookupKey("key1", saved_seq), &value, /*timestamp*/nullptr, /*columns=*/nullptr, /*timestamp=*/nullptr, &s,
&s, &merge_context, &max_covering_tombstone_seq, ReadOptions()); &merge_context, &max_covering_tombstone_seq,
ReadOptions());
ASSERT_TRUE(s.ok() && found); ASSERT_TRUE(s.ok() && found);
ASSERT_EQ("value1", value); ASSERT_EQ("value1", value);
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get( found =
LookupKey("key2", seq), &value, /*timestamp*/nullptr, &s, list.current()->Get(LookupKey("key2", seq), &value, /*columns=*/nullptr,
&merge_context, &max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions());
ASSERT_TRUE(s.ok() && found); ASSERT_TRUE(s.ok() && found);
ASSERT_EQ(value, "value2.3"); ASSERT_EQ(value, "value2.3");
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get( found = list.current()->Get(LookupKey("key2", 1), &value, /*columns=*/nullptr,
LookupKey("key2", 1), &value, /*timestamp*/nullptr, &s, /*timestamp=*/nullptr, &s, &merge_context,
&merge_context, &max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
ASSERT_EQ(2, list.NumNotFlushed()); ASSERT_EQ(2, list.NumNotFlushed());
@ -370,8 +373,8 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
autovector<MemTable*> to_delete; autovector<MemTable*> to_delete;
LookupKey lkey("key1", seq); LookupKey lkey("key1", seq);
bool found = list.current()->Get( bool found = list.current()->Get(lkey, &value, /*columns=*/nullptr,
lkey, &value, /*timestamp*/nullptr, &s, &merge_context, /*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
@ -396,7 +399,7 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
// Fetch the newly written keys // Fetch the newly written keys
merge_context.Clear(); merge_context.Clear();
found = mem->Get(LookupKey("key1", seq), &value, found = mem->Get(LookupKey("key1", seq), &value, /*columns*/ nullptr,
/*timestamp*/ nullptr, &s, &merge_context, /*timestamp*/ nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions(), &max_covering_tombstone_seq, ReadOptions(),
false /* immutable_memtable */); false /* immutable_memtable */);
@ -404,7 +407,7 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = mem->Get(LookupKey("key2", seq), &value, found = mem->Get(LookupKey("key2", seq), &value, /*columns*/ nullptr,
/*timestamp*/ nullptr, &s, &merge_context, /*timestamp*/ nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions(), &max_covering_tombstone_seq, ReadOptions(),
false /* immutable_memtable */); false /* immutable_memtable */);
@ -420,14 +423,16 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
// Fetch keys via MemTableList // Fetch keys via MemTableList
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key1", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key1", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key2", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key2", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_TRUE(s.ok() && found); ASSERT_TRUE(s.ok() && found);
ASSERT_EQ("value2.2", value); ASSERT_EQ("value2.2", value);
@ -449,28 +454,32 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
// Verify keys are no longer in MemTableList // Verify keys are no longer in MemTableList
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key1", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key1", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key2", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key2", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
// Verify keys are present in history // Verify keys are present in history
merge_context.Clear(); merge_context.Clear();
found = list.current()->GetFromHistory( found = list.current()->GetFromHistory(
LookupKey("key1", seq), &value, /*timestamp*/nullptr, &s, &merge_context, LookupKey("key1", seq), &value, /*columns=*/nullptr,
&max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context, &max_covering_tombstone_seq,
ReadOptions());
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = list.current()->GetFromHistory( found = list.current()->GetFromHistory(
LookupKey("key2", seq), &value, /*timestamp*/nullptr, &s, &merge_context, LookupKey("key2", seq), &value, /*columns=*/nullptr,
&max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context, &max_covering_tombstone_seq,
ReadOptions());
ASSERT_TRUE(found); ASSERT_TRUE(found);
ASSERT_EQ("value2.2", value); ASSERT_EQ("value2.2", value);
@ -520,41 +529,47 @@ TEST_F(MemTableListTest, GetFromHistoryTest) {
// Verify keys are no longer in MemTableList // Verify keys are no longer in MemTableList
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key1", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key1", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key2", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key2", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key3", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key3", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);
// Verify that the second memtable's keys are in the history // Verify that the second memtable's keys are in the history
merge_context.Clear(); merge_context.Clear();
found = list.current()->GetFromHistory( found = list.current()->GetFromHistory(
LookupKey("key1", seq), &value, /*timestamp*/nullptr, &s, &merge_context, LookupKey("key1", seq), &value, /*columns=*/nullptr,
&max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context, &max_covering_tombstone_seq,
ReadOptions());
ASSERT_TRUE(found && s.IsNotFound()); ASSERT_TRUE(found && s.IsNotFound());
merge_context.Clear(); merge_context.Clear();
found = list.current()->GetFromHistory( found = list.current()->GetFromHistory(
LookupKey("key3", seq), &value, /*timestamp*/nullptr, &s, &merge_context, LookupKey("key3", seq), &value, /*columns=*/nullptr,
&max_covering_tombstone_seq, ReadOptions()); /*timestamp=*/nullptr, &s, &merge_context, &max_covering_tombstone_seq,
ReadOptions());
ASSERT_TRUE(found); ASSERT_TRUE(found);
ASSERT_EQ("value3", value); ASSERT_EQ("value3", value);
// Verify that key2 from the first memtable is no longer in the history // Verify that key2 from the first memtable is no longer in the history
merge_context.Clear(); merge_context.Clear();
found = list.current()->Get(LookupKey("key2", seq), &value, found =
/*timestamp*/nullptr, &s, &merge_context, list.current()->Get(LookupKey("key2", seq), &value, /*columns=*/nullptr,
/*timestamp=*/nullptr, &s, &merge_context,
&max_covering_tombstone_seq, ReadOptions()); &max_covering_tombstone_seq, ReadOptions());
ASSERT_FALSE(found); ASSERT_FALSE(found);

15
db/version_set.cc
Unescape View File

@ -1969,7 +1969,8 @@ void Version::MultiGetBlob(
} }
void Version::Get(const ReadOptions& read_options, const LookupKey& k, void Version::Get(const ReadOptions& read_options, const LookupKey& k,
PinnableSlice* value, std::string* timestamp, Status* status, PinnableSlice* value, PinnableWideColumns* columns,
std::string* timestamp, Status* status,
MergeContext* merge_context, MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
PinnedIteratorsManager* pinned_iters_mgr, bool* value_found, PinnedIteratorsManager* pinned_iters_mgr, bool* value_found,
@ -2002,8 +2003,9 @@ void Version::Get(const ReadOptions& read_options, const LookupKey& k,
GetContext get_context( GetContext get_context(
user_comparator(), merge_operator_, info_log_, db_statistics_, user_comparator(), merge_operator_, info_log_, db_statistics_,
status->ok() ? GetContext::kNotFound : GetContext::kMerge, user_key, status->ok() ? GetContext::kNotFound : GetContext::kMerge, user_key,
do_merge ? value : nullptr, do_merge ? timestamp : nullptr, value_found, do_merge ? value : nullptr, do_merge ? columns : nullptr,
merge_context, do_merge, max_covering_tombstone_seq, clock_, seq, do_merge ? timestamp : nullptr, value_found, merge_context, do_merge,
max_covering_tombstone_seq, clock_, seq,
merge_operator_ ? pinned_iters_mgr : nullptr, callback, is_blob_to_use, merge_operator_ ? pinned_iters_mgr : nullptr, callback, is_blob_to_use,
tracing_get_id, &blob_fetcher); tracing_get_id, &blob_fetcher);
@ -2171,9 +2173,10 @@ void Version::MultiGet(const ReadOptions& read_options, MultiGetRange* range,
get_ctx.emplace_back( get_ctx.emplace_back(
user_comparator(), merge_operator_, info_log_, db_statistics_, user_comparator(), merge_operator_, info_log_, db_statistics_,
iter->s->ok() ? GetContext::kNotFound : GetContext::kMerge, iter->s->ok() ? GetContext::kNotFound : GetContext::kMerge,
iter->ukey_with_ts, iter->value, iter->timestamp, nullptr, iter->ukey_with_ts, iter->value, /*columns=*/nullptr, iter->timestamp,
&(iter->merge_context), true, &iter->max_covering_tombstone_seq, clock_, nullptr, &(iter->merge_context), true,
nullptr, merge_operator_ ? &pinned_iters_mgr : nullptr, callback, &iter->max_covering_tombstone_seq, clock_, nullptr,
merge_operator_ ? &pinned_iters_mgr : nullptr, callback,
&iter->is_blob_index, tracing_mget_id, &blob_fetcher); &iter->is_blob_index, tracing_mget_id, &blob_fetcher);
// MergeInProgress status, if set, has been transferred to the get_context // MergeInProgress status, if set, has been transferred to the get_context
// state, so we set status to ok here. From now on, the iter status will // state, so we set status to ok here. From now on, the iter status will

3
db/version_set.h
Unescape View File

@ -836,7 +836,8 @@ class Version {
// REQUIRES: lock is not held // REQUIRES: lock is not held
// REQUIRES: pinned_iters_mgr != nullptr // REQUIRES: pinned_iters_mgr != nullptr
void Get(const ReadOptions&, const LookupKey& key, PinnableSlice* value, void Get(const ReadOptions&, const LookupKey& key, PinnableSlice* value,
std::string* timestamp, Status* status, MergeContext* merge_context, PinnableWideColumns* columns, std::string* timestamp, Status* status,
MergeContext* merge_context,
SequenceNumber* max_covering_tombstone_seq, SequenceNumber* max_covering_tombstone_seq,
PinnedIteratorsManager* pinned_iters_mgr, PinnedIteratorsManager* pinned_iters_mgr,
bool* value_found = nullptr, bool* key_exists = nullptr, bool* value_found = nullptr, bool* key_exists = nullptr,

76
db/wide/db_wide_basic_test.cc
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@ -22,10 +22,20 @@ class DBWideBasicTest : public DBTestBase {
TEST_F(DBWideBasicTest, PutEntity) { TEST_F(DBWideBasicTest, PutEntity) {
Options options = GetDefaultOptions(); Options options = GetDefaultOptions();
// Write a couple of wide-column entities and a plain old key-value, then read
// them back.
constexpr char first_key[] = "first"; constexpr char first_key[] = "first";
constexpr char first_value_of_default_column[] = "hello";
WideColumns first_columns{
{kDefaultWideColumnName, first_value_of_default_column},
{"attr_name1", "foo"},
{"attr_name2", "bar"}};
constexpr char second_key[] = "second"; constexpr char second_key[] = "second";
WideColumns second_columns{{"attr_one", "two"}, {"attr_three", "four"}};
constexpr char first_value_of_default_column[] = "hello"; constexpr char third_key[] = "third";
constexpr char third_value[] = "baz";
auto verify = [&]() { auto verify = [&]() {
{ {
@ -35,6 +45,13 @@ TEST_F(DBWideBasicTest, PutEntity) {
ASSERT_EQ(result, first_value_of_default_column); ASSERT_EQ(result, first_value_of_default_column);
} }
{
PinnableWideColumns result;
ASSERT_OK(db_->GetEntity(ReadOptions(), db_->DefaultColumnFamily(),
first_key, &result));
ASSERT_EQ(result.columns(), first_columns);
}
{ {
PinnableSlice result; PinnableSlice result;
ASSERT_OK(db_->Get(ReadOptions(), db_->DefaultColumnFamily(), second_key, ASSERT_OK(db_->Get(ReadOptions(), db_->DefaultColumnFamily(), second_key,
@ -43,9 +60,32 @@ TEST_F(DBWideBasicTest, PutEntity) {
} }
{ {
constexpr size_t num_keys = 2; PinnableWideColumns result;
ASSERT_OK(db_->GetEntity(ReadOptions(), db_->DefaultColumnFamily(),
second_key, &result));
ASSERT_EQ(result.columns(), second_columns);
}
std::array<Slice, num_keys> keys{{first_key, second_key}}; {
PinnableSlice result;
ASSERT_OK(db_->Get(ReadOptions(), db_->DefaultColumnFamily(), third_key,
&result));
ASSERT_EQ(result, third_value);
}
{
PinnableWideColumns result;
ASSERT_OK(db_->GetEntity(ReadOptions(), db_->DefaultColumnFamily(),
third_key, &result));
const WideColumns expected_columns{{kDefaultWideColumnName, third_value}};
ASSERT_EQ(result.columns(), expected_columns);
}
{
constexpr size_t num_keys = 3;
std::array<Slice, num_keys> keys{{first_key, second_key, third_key}};
std::array<PinnableSlice, num_keys> values; std::array<PinnableSlice, num_keys> values;
std::array<Status, num_keys> statuses; std::array<Status, num_keys> statuses;
@ -57,6 +97,9 @@ TEST_F(DBWideBasicTest, PutEntity) {
ASSERT_OK(statuses[1]); ASSERT_OK(statuses[1]);
ASSERT_TRUE(values[1].empty()); ASSERT_TRUE(values[1].empty());
ASSERT_OK(statuses[2]);
ASSERT_EQ(values[2], third_value);
} }
{ {
@ -74,6 +117,12 @@ TEST_F(DBWideBasicTest, PutEntity) {
ASSERT_EQ(iter->key(), second_key); ASSERT_EQ(iter->key(), second_key);
ASSERT_TRUE(iter->value().empty()); ASSERT_TRUE(iter->value().empty());
iter->Next();
ASSERT_TRUE(iter->Valid());
ASSERT_OK(iter->status());
ASSERT_EQ(iter->key(), third_key);
ASSERT_EQ(iter->value(), third_value);
iter->Next(); iter->Next();
ASSERT_FALSE(iter->Valid()); ASSERT_FALSE(iter->Valid());
ASSERT_OK(iter->status()); ASSERT_OK(iter->status());
@ -81,6 +130,12 @@ TEST_F(DBWideBasicTest, PutEntity) {
iter->SeekToLast(); iter->SeekToLast();
ASSERT_TRUE(iter->Valid()); ASSERT_TRUE(iter->Valid());
ASSERT_OK(iter->status()); ASSERT_OK(iter->status());
ASSERT_EQ(iter->key(), third_key);
ASSERT_EQ(iter->value(), third_value);
iter->Prev();
ASSERT_TRUE(iter->Valid());
ASSERT_OK(iter->status());
ASSERT_EQ(iter->key(), second_key); ASSERT_EQ(iter->key(), second_key);
ASSERT_TRUE(iter->value().empty()); ASSERT_TRUE(iter->value().empty());
@ -96,23 +151,20 @@ TEST_F(DBWideBasicTest, PutEntity) {
} }
}; };
// Use the DB::PutEntity API // Use the DB::PutEntity API to write the first entity
WideColumns first_columns{
{kDefaultWideColumnName, first_value_of_default_column},
{"attr_name1", "foo"},
{"attr_name2", "bar"}};
ASSERT_OK(db_->PutEntity(WriteOptions(), db_->DefaultColumnFamily(), ASSERT_OK(db_->PutEntity(WriteOptions(), db_->DefaultColumnFamily(),
first_key, first_columns)); first_key, first_columns));
// Use WriteBatch // Use WriteBatch to write the second entity
WideColumns second_columns{{"attr_one", "two"}, {"attr_three", "four"}};
WriteBatch batch; WriteBatch batch;
ASSERT_OK( ASSERT_OK(
batch.PutEntity(db_->DefaultColumnFamily(), second_key, second_columns)); batch.PutEntity(db_->DefaultColumnFamily(), second_key, second_columns));
ASSERT_OK(db_->Write(WriteOptions(), &batch)); ASSERT_OK(db_->Write(WriteOptions(), &batch));
// Use Put to write the plain key-value
ASSERT_OK(db_->Put(WriteOptions(), db_->DefaultColumnFamily(), third_key,
third_value));
// Try reading from memtable // Try reading from memtable
verify(); verify();

18
db/wide/wide_columns.cc
Unescape View File

@ -0,0 +1,18 @@
// Copyright (c) Meta Platforms, Inc. and affiliates.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "rocksdb/wide_columns.h"
#include "db/wide/wide_column_serialization.h"
namespace ROCKSDB_NAMESPACE {
Status PinnableWideColumns::CreateIndexForWideColumns() {
Slice value_copy = value_;
return WideColumnSerialization::Deserialize(value_copy, columns_);
}
} // namespace ROCKSDB_NAMESPACE

8
include/rocksdb/db.h
Unescape View File

@ -567,6 +567,14 @@ class DB {
return Get(options, DefaultColumnFamily(), key, value, timestamp); return Get(options, DefaultColumnFamily(), key, value, timestamp);
} }
// UNDER CONSTRUCTION -- DO NOT USE
virtual Status GetEntity(const ReadOptions& /* options */,
ColumnFamilyHandle* /* column_family */,
const Slice& /* key */,
PinnableWideColumns* /* columns */) {
return Status::NotSupported("GetEntity not supported");
}
// Populates the `merge_operands` array with all the merge operands in the DB // Populates the `merge_operands` array with all the merge operands in the DB
// for `key`. The `merge_operands` array will be populated in the order of // for `key`. The `merge_operands` array will be populated in the order of
// insertion. The number of entries populated in `merge_operands` will be // insertion. The number of entries populated in `merge_operands` will be

7
include/rocksdb/utilities/stackable_db.h
Unescape View File

@ -99,6 +99,13 @@ class StackableDB : public DB {
return db_->Get(options, column_family, key, value); return db_->Get(options, column_family, key, value);
} }
using DB::GetEntity;
Status GetEntity(const ReadOptions& options,
ColumnFamilyHandle* column_family, const Slice& key,
PinnableWideColumns* columns) override {
return db_->GetEntity(options, column_family, key, columns);
}
using DB::GetMergeOperands; using DB::GetMergeOperands;
virtual Status GetMergeOperands( virtual Status GetMergeOperands(
const ReadOptions& options, ColumnFamilyHandle* column_family, const ReadOptions& options, ColumnFamilyHandle* column_family,

83
include/rocksdb/wide_columns.h
Unescape View File

@ -11,6 +11,7 @@
#include "rocksdb/rocksdb_namespace.h" #include "rocksdb/rocksdb_namespace.h"
#include "rocksdb/slice.h" #include "rocksdb/slice.h"
#include "rocksdb/status.h"
namespace ROCKSDB_NAMESPACE { namespace ROCKSDB_NAMESPACE {
@ -69,8 +70,90 @@ inline bool operator!=(const WideColumn& lhs, const WideColumn& rhs) {
return !(lhs == rhs); return !(lhs == rhs);
} }
// A collection of wide columns.
using WideColumns = std::vector<WideColumn>; using WideColumns = std::vector<WideColumn>;
// The anonymous default wide column (an empty Slice).
extern const Slice kDefaultWideColumnName; extern const Slice kDefaultWideColumnName;
// A self-contained collection of wide columns. Used for the results of
// wide-column queries.
class PinnableWideColumns {
public:
const WideColumns& columns() const { return columns_; }
size_t serialized_size() const { return value_.size(); }
void SetPlainValue(const Slice& value);
void SetPlainValue(const Slice& value, Cleanable* cleanable);
Status SetWideColumnValue(const Slice& value);
Status SetWideColumnValue(const Slice& value, Cleanable* cleanable);
void Reset();
private:
void CopyValue(const Slice& value);
void PinOrCopyValue(const Slice& value, Cleanable* cleanable);
void CreateIndexForPlainValue();
Status CreateIndexForWideColumns();
PinnableSlice value_;
WideColumns columns_;
};
inline void PinnableWideColumns::CopyValue(const Slice& value) {
value_.PinSelf(value);
}
inline void PinnableWideColumns::PinOrCopyValue(const Slice& value,
Cleanable* cleanable) {
if (!cleanable) {
CopyValue(value);
return;
}
value_.PinSlice(value, cleanable);
}
inline void PinnableWideColumns::CreateIndexForPlainValue() {
columns_ = WideColumns{{kDefaultWideColumnName, value_}};
}
inline void PinnableWideColumns::SetPlainValue(const Slice& value) {
CopyValue(value);
CreateIndexForPlainValue();
}
inline void PinnableWideColumns::SetPlainValue(const Slice& value,
Cleanable* cleanable) {
PinOrCopyValue(value, cleanable);
CreateIndexForPlainValue();
}
inline Status PinnableWideColumns::SetWideColumnValue(const Slice& value) {
CopyValue(value);
return CreateIndexForWideColumns();
}
inline Status PinnableWideColumns::SetWideColumnValue(const Slice& value,
Cleanable* cleanable) {
PinOrCopyValue(value, cleanable);
return CreateIndexForWideColumns();
}
inline void PinnableWideColumns::Reset() {
value_.Reset();
columns_.clear();
}
inline bool operator==(const PinnableWideColumns& lhs,
const PinnableWideColumns& rhs) {
return lhs.columns() == rhs.columns();
}
inline bool operator!=(const PinnableWideColumns& lhs,
const PinnableWideColumns& rhs) {
return !(lhs == rhs);
}
} // namespace ROCKSDB_NAMESPACE } // namespace ROCKSDB_NAMESPACE

1
src.mk
Unescape View File

@ -90,6 +90,7 @@ LIB_SOURCES = \
db/wal_edit.cc \ db/wal_edit.cc \
db/wal_manager.cc \ db/wal_manager.cc \
db/wide/wide_column_serialization.cc \ db/wide/wide_column_serialization.cc \
db/wide/wide_columns.cc \
db/write_batch.cc \ db/write_batch.cc \
db/write_batch_base.cc \ db/write_batch_base.cc \
db/write_controller.cc \ db/write_controller.cc \

9
table/block_based/block_based_table_reader_test.cc
Unescape View File

@ -248,10 +248,11 @@ TEST_P(BlockBasedTableReaderTest, MultiGet) {
autovector<KeyContext, MultiGetContext::MAX_BATCH_SIZE> key_context; autovector<KeyContext, MultiGetContext::MAX_BATCH_SIZE> key_context;
autovector<KeyContext*, MultiGetContext::MAX_BATCH_SIZE> sorted_keys; autovector<KeyContext*, MultiGetContext::MAX_BATCH_SIZE> sorted_keys;
for (size_t i = 0; i < keys.size(); ++i) { for (size_t i = 0; i < keys.size(); ++i) {
get_context.emplace_back( get_context.emplace_back(BytewiseComparator(), nullptr, nullptr, nullptr,
BytewiseComparator(), nullptr, nullptr, nullptr, GetContext::kNotFound, GetContext::kNotFound, keys[i], &values[i],
keys[i], &values[i], nullptr, nullptr, nullptr, true /* do_merge */, nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr); true /* do_merge */, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr);
key_context.emplace_back(nullptr, keys[i], &values[i], nullptr, key_context.emplace_back(nullptr, keys[i], &values[i], nullptr,
&statuses.back()); &statuses.back());
key_context.back().get_context = &get_context.back(); key_context.back().get_context = &get_context.back();

8
table/block_based/data_block_hash_index_test.cc
Unescape View File

@ -625,7 +625,7 @@ TEST(DataBlockHashIndex, BlockBoundary) {
InternalKey seek_ikey(seek_ukey, 60, kTypeValue); InternalKey seek_ikey(seek_ukey, 60, kTypeValue);
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, seek_ukey, &value, nullptr, GetContext::kNotFound, seek_ukey, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options); TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options);
ASSERT_EQ(get_context.State(), GetContext::kFound); ASSERT_EQ(get_context.State(), GetContext::kFound);
@ -650,7 +650,7 @@ TEST(DataBlockHashIndex, BlockBoundary) {
InternalKey seek_ikey(seek_ukey, 60, kTypeValue); InternalKey seek_ikey(seek_ukey, 60, kTypeValue);
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, seek_ukey, &value, nullptr, GetContext::kNotFound, seek_ukey, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options); TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options);
ASSERT_EQ(get_context.State(), GetContext::kFound); ASSERT_EQ(get_context.State(), GetContext::kFound);
@ -675,7 +675,7 @@ TEST(DataBlockHashIndex, BlockBoundary) {
InternalKey seek_ikey(seek_ukey, 120, kTypeValue); InternalKey seek_ikey(seek_ukey, 120, kTypeValue);
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, seek_ukey, &value, nullptr, GetContext::kNotFound, seek_ukey, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options); TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options);
ASSERT_EQ(get_context.State(), GetContext::kFound); ASSERT_EQ(get_context.State(), GetContext::kFound);
@ -700,7 +700,7 @@ TEST(DataBlockHashIndex, BlockBoundary) {
InternalKey seek_ikey(seek_ukey, 5, kTypeValue); InternalKey seek_ikey(seek_ukey, 5, kTypeValue);
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, seek_ukey, &value, nullptr, GetContext::kNotFound, seek_ukey, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options); TestBoundary(ik1, v1, ik2, v2, seek_ikey, get_context, options);
ASSERT_EQ(get_context.State(), GetContext::kNotFound); ASSERT_EQ(get_context.State(), GetContext::kNotFound);

20
table/cuckoo/cuckoo_table_reader_test.cc
Unescape View File

@ -119,7 +119,8 @@ class CuckooReaderTest : public testing::Test {
PinnableSlice value; PinnableSlice value;
GetContext get_context(ucomp, nullptr, nullptr, nullptr, GetContext get_context(ucomp, nullptr, nullptr, nullptr,
GetContext::kNotFound, Slice(user_keys[i]), &value, GetContext::kNotFound, Slice(user_keys[i]), &value,
nullptr, nullptr, true, nullptr, nullptr); nullptr, nullptr, nullptr, nullptr, true, nullptr,
nullptr);
ASSERT_OK( ASSERT_OK(
reader.Get(ReadOptions(), Slice(keys[i]), &get_context, nullptr)); reader.Get(ReadOptions(), Slice(keys[i]), &get_context, nullptr));
ASSERT_STREQ(values[i].c_str(), value.data()); ASSERT_STREQ(values[i].c_str(), value.data());
@ -341,8 +342,8 @@ TEST_F(CuckooReaderTest, WhenKeyNotFound) {
AppendInternalKey(&not_found_key, ikey); AppendInternalKey(&not_found_key, ikey);
PinnableSlice value; PinnableSlice value;
GetContext get_context(ucmp, nullptr, nullptr, nullptr, GetContext::kNotFound, GetContext get_context(ucmp, nullptr, nullptr, nullptr, GetContext::kNotFound,
Slice(not_found_key), &value, nullptr, nullptr, true, Slice(not_found_key), &value, nullptr, nullptr,
nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
ASSERT_OK( ASSERT_OK(
reader.Get(ReadOptions(), Slice(not_found_key), &get_context, nullptr)); reader.Get(ReadOptions(), Slice(not_found_key), &get_context, nullptr));
ASSERT_TRUE(value.empty()); ASSERT_TRUE(value.empty());
@ -356,7 +357,8 @@ TEST_F(CuckooReaderTest, WhenKeyNotFound) {
value.Reset(); value.Reset();
GetContext get_context2(ucmp, nullptr, nullptr, nullptr, GetContext get_context2(ucmp, nullptr, nullptr, nullptr,
GetContext::kNotFound, Slice(not_found_key2), &value, GetContext::kNotFound, Slice(not_found_key2), &value,
nullptr, nullptr, true, nullptr, nullptr); nullptr, nullptr, nullptr, nullptr, true, nullptr,
nullptr);
ASSERT_OK( ASSERT_OK(
reader.Get(ReadOptions(), Slice(not_found_key2), &get_context2, nullptr)); reader.Get(ReadOptions(), Slice(not_found_key2), &get_context2, nullptr));
ASSERT_TRUE(value.empty()); ASSERT_TRUE(value.empty());
@ -370,9 +372,9 @@ TEST_F(CuckooReaderTest, WhenKeyNotFound) {
AddHashLookups(ExtractUserKey(unused_key).ToString(), AddHashLookups(ExtractUserKey(unused_key).ToString(),
kNumHashFunc, kNumHashFunc); kNumHashFunc, kNumHashFunc);
value.Reset(); value.Reset();
GetContext get_context3(ucmp, nullptr, nullptr, nullptr, GetContext get_context3(
GetContext::kNotFound, Slice(unused_key), &value, ucmp, nullptr, nullptr, nullptr, GetContext::kNotFound, Slice(unused_key),
nullptr, nullptr, true, nullptr, nullptr); &value, nullptr, nullptr, nullptr, nullptr, true, nullptr, nullptr);
ASSERT_OK( ASSERT_OK(
reader.Get(ReadOptions(), Slice(unused_key), &get_context3, nullptr)); reader.Get(ReadOptions(), Slice(unused_key), &get_context3, nullptr));
ASSERT_TRUE(value.empty()); ASSERT_TRUE(value.empty());
@ -447,7 +449,7 @@ void WriteFile(const std::vector<std::string>& keys,
// Assume only the fast path is triggered // Assume only the fast path is triggered
GetContext get_context(nullptr, nullptr, nullptr, nullptr, GetContext get_context(nullptr, nullptr, nullptr, nullptr,
GetContext::kNotFound, Slice(), &value, nullptr, GetContext::kNotFound, Slice(), &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
for (uint64_t i = 0; i < num; ++i) { for (uint64_t i = 0; i < num; ++i) {
value.Reset(); value.Reset();
value.clear(); value.clear();
@ -496,7 +498,7 @@ void ReadKeys(uint64_t num, uint32_t batch_size) {
// Assume only the fast path is triggered // Assume only the fast path is triggered
GetContext get_context(nullptr, nullptr, nullptr, nullptr, GetContext get_context(nullptr, nullptr, nullptr, nullptr,
GetContext::kNotFound, Slice(), &value, nullptr, GetContext::kNotFound, Slice(), &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
uint64_t start_time = env->NowMicros(); uint64_t start_time = env->NowMicros();
if (batch_size > 0) { if (batch_size > 0) {
for (uint64_t i = 0; i < num; i += batch_size) { for (uint64_t i = 0; i < num; i += batch_size) {

52
table/get_context.cc
Unescape View File

@ -41,17 +41,15 @@ void appendToReplayLog(std::string* replay_log, ValueType type, Slice value) {
} // namespace } // namespace
GetContext::GetContext(const Comparator* ucmp, GetContext::GetContext(
const MergeOperator* merge_operator, Logger* logger, const Comparator* ucmp, const MergeOperator* merge_operator, Logger* logger,
Statistics* statistics, GetState init_state, Statistics* statistics, GetState init_state, const Slice& user_key,
const Slice& user_key, PinnableSlice* pinnable_val, PinnableSlice* pinnable_val, PinnableWideColumns* columns,
std::string* timestamp, bool* value_found, std::string* timestamp, bool* value_found, MergeContext* merge_context,
MergeContext* merge_context, bool do_merge, bool do_merge, SequenceNumber* _max_covering_tombstone_seq,
SequenceNumber* _max_covering_tombstone_seq,
SystemClock* clock, SequenceNumber* seq, SystemClock* clock, SequenceNumber* seq,
PinnedIteratorsManager* _pinned_iters_mgr, PinnedIteratorsManager* _pinned_iters_mgr, ReadCallback* callback,
ReadCallback* callback, bool* is_blob_index, bool* is_blob_index, uint64_t tracing_get_id, BlobFetcher* blob_fetcher)
uint64_t tracing_get_id, BlobFetcher* blob_fetcher)
: ucmp_(ucmp), : ucmp_(ucmp),
merge_operator_(merge_operator), merge_operator_(merge_operator),
logger_(logger), logger_(logger),
@ -59,6 +57,7 @@ GetContext::GetContext(const Comparator* ucmp,
state_(init_state), state_(init_state),
user_key_(user_key), user_key_(user_key),
pinnable_val_(pinnable_val), pinnable_val_(pinnable_val),
columns_(columns),
timestamp_(timestamp), timestamp_(timestamp),
value_found_(value_found), value_found_(value_found),
merge_context_(merge_context), merge_context_(merge_context),
@ -78,18 +77,22 @@ GetContext::GetContext(const Comparator* ucmp,
sample_ = should_sample_file_read(); sample_ = should_sample_file_read();
} }
GetContext::GetContext( GetContext::GetContext(const Comparator* ucmp,
const Comparator* ucmp, const MergeOperator* merge_operator, Logger* logger, const MergeOperator* merge_operator, Logger* logger,
Statistics* statistics, GetState init_state, const Slice& user_key, Statistics* statistics, GetState init_state,
PinnableSlice* pinnable_val, bool* value_found, MergeContext* merge_context, const Slice& user_key, PinnableSlice* pinnable_val,
bool do_merge, SequenceNumber* _max_covering_tombstone_seq, PinnableWideColumns* columns, bool* value_found,
MergeContext* merge_context, bool do_merge,
SequenceNumber* _max_covering_tombstone_seq,
SystemClock* clock, SequenceNumber* seq, SystemClock* clock, SequenceNumber* seq,
PinnedIteratorsManager* _pinned_iters_mgr, ReadCallback* callback, PinnedIteratorsManager* _pinned_iters_mgr,
bool* is_blob_index, uint64_t tracing_get_id, BlobFetcher* blob_fetcher) ReadCallback* callback, bool* is_blob_index,
uint64_t tracing_get_id, BlobFetcher* blob_fetcher)
: GetContext(ucmp, merge_operator, logger, statistics, init_state, user_key, : GetContext(ucmp, merge_operator, logger, statistics, init_state, user_key,
pinnable_val, nullptr, value_found, merge_context, do_merge, pinnable_val, columns, /*timestamp=*/nullptr, value_found,
_max_covering_tombstone_seq, clock, seq, _pinned_iters_mgr, merge_context, do_merge, _max_covering_tombstone_seq, clock,
callback, is_blob_index, tracing_get_id, blob_fetcher) {} seq, _pinned_iters_mgr, callback, is_blob_index,
tracing_get_id, blob_fetcher) {}
// Called from TableCache::Get and Table::Get when file/block in which // Called from TableCache::Get and Table::Get when file/block in which
// key may exist are not there in TableCache/BlockCache respectively. In this // key may exist are not there in TableCache/BlockCache respectively. In this
@ -291,6 +294,15 @@ bool GetContext::SaveValue(const ParsedInternalKey& parsed_key,
// Otherwise copy the value // Otherwise copy the value
pinnable_val_->PinSelf(value_to_use); pinnable_val_->PinSelf(value_to_use);
} }
} else if (columns_ != nullptr) {
if (type == kTypeWideColumnEntity) {
if (!columns_->SetWideColumnValue(value, value_pinner).ok()) {
state_ = kCorrupt;
return false;
}
} else {
columns_->SetPlainValue(value, value_pinner);
}
} }
} else { } else {
// It means this function is called as part of DB GetMergeOperands // It means this function is called as part of DB GetMergeOperands

9
table/get_context.h
Unescape View File

@ -15,6 +15,7 @@ class Comparator;
class Logger; class Logger;
class MergeContext; class MergeContext;
class MergeOperator; class MergeOperator;
class PinnableWideColumns;
class PinnedIteratorsManager; class PinnedIteratorsManager;
class Statistics; class Statistics;
class SystemClock; class SystemClock;
@ -101,7 +102,8 @@ class GetContext {
// merge_context and they are never merged. The value pointer is untouched. // merge_context and they are never merged. The value pointer is untouched.
GetContext(const Comparator* ucmp, const MergeOperator* merge_operator, GetContext(const Comparator* ucmp, const MergeOperator* merge_operator,
Logger* logger, Statistics* statistics, GetState init_state, Logger* logger, Statistics* statistics, GetState init_state,
const Slice& user_key, PinnableSlice* value, bool* value_found, const Slice& user_key, PinnableSlice* value,
PinnableWideColumns* columns, bool* value_found,
MergeContext* merge_context, bool do_merge, MergeContext* merge_context, bool do_merge,
SequenceNumber* max_covering_tombstone_seq, SystemClock* clock, SequenceNumber* max_covering_tombstone_seq, SystemClock* clock,
SequenceNumber* seq = nullptr, SequenceNumber* seq = nullptr,
@ -111,8 +113,8 @@ class GetContext {
GetContext(const Comparator* ucmp, const MergeOperator* merge_operator, GetContext(const Comparator* ucmp, const MergeOperator* merge_operator,
Logger* logger, Statistics* statistics, GetState init_state, Logger* logger, Statistics* statistics, GetState init_state,
const Slice& user_key, PinnableSlice* value, const Slice& user_key, PinnableSlice* value,
std::string* timestamp, bool* value_found, PinnableWideColumns* columns, std::string* timestamp,
MergeContext* merge_context, bool do_merge, bool* value_found, MergeContext* merge_context, bool do_merge,
SequenceNumber* max_covering_tombstone_seq, SystemClock* clock, SequenceNumber* max_covering_tombstone_seq, SystemClock* clock,
SequenceNumber* seq = nullptr, SequenceNumber* seq = nullptr,
PinnedIteratorsManager* _pinned_iters_mgr = nullptr, PinnedIteratorsManager* _pinned_iters_mgr = nullptr,
@ -186,6 +188,7 @@ class GetContext {
GetState state_; GetState state_;
Slice user_key_; Slice user_key_;
PinnableSlice* pinnable_val_; PinnableSlice* pinnable_val_;
PinnableWideColumns* columns_;
std::string* timestamp_; std::string* timestamp_;
bool* value_found_; // Is value set correctly? Used by KeyMayExist bool* value_found_; // Is value set correctly? Used by KeyMayExist
MergeContext* merge_context_; MergeContext* merge_context_;

4
table/table_reader_bench.cc
Unescape View File

@ -177,8 +177,8 @@ void TableReaderBenchmark(Options& opts, EnvOptions& env_options,
GetContext get_context( GetContext get_context(
ioptions.user_comparator, ioptions.merge_operator.get(), ioptions.user_comparator, ioptions.merge_operator.get(),
ioptions.logger, ioptions.stats, GetContext::kNotFound, ioptions.logger, ioptions.stats, GetContext::kNotFound,
Slice(key), &value, nullptr, &merge_context, true, Slice(key), &value, /*columns=*/nullptr, /*timestamp=*/nullptr,
&max_covering_tombstone_seq, clock); &merge_context, true, &max_covering_tombstone_seq, clock);
s = table_reader->Get(read_options, key, &get_context, nullptr); s = table_reader->Get(read_options, key, &get_context, nullptr);
} else { } else {
s = db->Get(read_options, key, &result); s = db->Get(read_options, key, &result);

16
table/table_test.cc
Unescape View File

@ -3036,8 +3036,8 @@ TEST_P(BlockBasedTableTest, TracingGetTest) {
PinnableSlice value; PinnableSlice value;
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, true, nullptr, nullptr, nullptr,
nullptr, nullptr, /*tracing_get_id=*/i); nullptr, nullptr, nullptr, /*tracing_get_id=*/i);
get_perf_context()->Reset(); get_perf_context()->Reset();
ASSERT_OK(c.GetTableReader()->Get(ReadOptions(), encoded_key, &get_context, ASSERT_OK(c.GetTableReader()->Get(ReadOptions(), encoded_key, &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
@ -3293,7 +3293,7 @@ TEST_P(BlockBasedTableTest, BlockCacheDisabledTest) {
{ {
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, Slice(), nullptr, nullptr, GetContext::kNotFound, Slice(), nullptr, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
// a hack that just to trigger BlockBasedTable::GetFilter. // a hack that just to trigger BlockBasedTable::GetFilter.
ASSERT_OK(reader->Get(ReadOptions(), "non-exist-key", &get_context, ASSERT_OK(reader->Get(ReadOptions(), "non-exist-key", &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
@ -3471,7 +3471,7 @@ TEST_P(BlockBasedTableTest, FilterBlockInBlockCache) {
PinnableSlice value; PinnableSlice value;
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
ASSERT_OK(reader->Get(ReadOptions(), internal_key.Encode(), &get_context, ASSERT_OK(reader->Get(ReadOptions(), internal_key.Encode(), &get_context,
moptions4.prefix_extractor.get())); moptions4.prefix_extractor.get()));
ASSERT_STREQ(value.data(), "hello"); ASSERT_STREQ(value.data(), "hello");
@ -3558,7 +3558,7 @@ TEST_P(BlockBasedTableTest, BlockReadCountTest) {
{ {
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
get_perf_context()->Reset(); get_perf_context()->Reset();
ASSERT_OK(reader->Get(ReadOptions(), encoded_key, &get_context, ASSERT_OK(reader->Get(ReadOptions(), encoded_key, &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
@ -3584,7 +3584,7 @@ TEST_P(BlockBasedTableTest, BlockReadCountTest) {
{ {
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
get_perf_context()->Reset(); get_perf_context()->Reset();
ASSERT_OK(reader->Get(ReadOptions(), encoded_key, &get_context, ASSERT_OK(reader->Get(ReadOptions(), encoded_key, &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
@ -5149,7 +5149,7 @@ TEST_P(BlockBasedTableTest, DataBlockHashIndex) {
std::string user_key = ExtractUserKey(kv.first).ToString(); std::string user_key = ExtractUserKey(kv.first).ToString();
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
ASSERT_OK(reader->Get(ro, kv.first, &get_context, ASSERT_OK(reader->Get(ro, kv.first, &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
ASSERT_EQ(get_context.State(), GetContext::kFound); ASSERT_EQ(get_context.State(), GetContext::kFound);
@ -5175,7 +5175,7 @@ TEST_P(BlockBasedTableTest, DataBlockHashIndex) {
PinnableSlice value; PinnableSlice value;
GetContext get_context(options.comparator, nullptr, nullptr, nullptr, GetContext get_context(options.comparator, nullptr, nullptr, nullptr,
GetContext::kNotFound, user_key, &value, nullptr, GetContext::kNotFound, user_key, &value, nullptr,
nullptr, true, nullptr, nullptr); nullptr, nullptr, true, nullptr, nullptr);
ASSERT_OK(reader->Get(ro, encoded_key, &get_context, ASSERT_OK(reader->Get(ro, encoded_key, &get_context,
moptions.prefix_extractor.get())); moptions.prefix_extractor.get()));
ASSERT_EQ(get_context.State(), GetContext::kNotFound); ASSERT_EQ(get_context.State(), GetContext::kNotFound);

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