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9f7877f246
Summary: Add support to strip timestamp in block based table builder and pad timestamp in block based table reader. On the write path, use the per column family option `AdvancedColumnFamilyOptions.persist_user_defined_timestamps` to indicate whether user-defined timestamps should be stripped for all block based tables created for the column family. On the read path, added a per table `TableReadOption.user_defined_timestamps_persisted` to flag whether the user keys in the table contains user defined timestamps. This patch is mostly passing the related flags down to the block building/parsing level with the exception of handling the `first_internal_key` in `IndexValue`, which is included in the `IndexBuilder` level. The value part of range deletion entries should have a similar handling, I haven't decided where to best fit this piece of logic, I will do it in a follow up. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11495 Test Plan: Existing test `BlockBasedTableReaderTest` is parameterized to run with: 1) different UDT test modes: kNone, kNormal, kStripUserDefinedTimestamp 2) all four index types, when index type is `kTwoLevelIndexSearch`, also enables partitioned filters 3) parallel vs non-parallel compression 4) enable/disable compression dictionary. Also added tests for API `BlockBasedTableReader::NewIterator`. `PartitionedFilterBlockTest` is parameterized to run with different UDT test modes:kNone, kNormal, kStripUserDefinedTimestamp. ``` make all check ./block_based_table_reader_test ./partitioned_filter_block_test ``` Reviewed By: ltamasi Differential Revision: D46344577 Pulled By: jowlyzhang fbshipit-source-id: 93ac8542b19319d1298712b8bed908c8831ba675
75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include "table/block_based/binary_search_index_reader.h"
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namespace ROCKSDB_NAMESPACE {
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Status BinarySearchIndexReader::Create(
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const BlockBasedTable* table, const ReadOptions& ro,
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FilePrefetchBuffer* prefetch_buffer, bool use_cache, bool prefetch,
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bool pin, BlockCacheLookupContext* lookup_context,
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std::unique_ptr<IndexReader>* index_reader) {
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assert(table != nullptr);
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assert(table->get_rep());
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assert(!pin || prefetch);
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assert(index_reader != nullptr);
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CachableEntry<Block> index_block;
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if (prefetch || !use_cache) {
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const Status s =
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ReadIndexBlock(table, prefetch_buffer, ro, use_cache,
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/*get_context=*/nullptr, lookup_context, &index_block);
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if (!s.ok()) {
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return s;
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}
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if (use_cache && !pin) {
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index_block.Reset();
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}
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}
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index_reader->reset(
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new BinarySearchIndexReader(table, std::move(index_block)));
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return Status::OK();
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}
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InternalIteratorBase<IndexValue>* BinarySearchIndexReader::NewIterator(
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const ReadOptions& read_options, bool /* disable_prefix_seek */,
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IndexBlockIter* iter, GetContext* get_context,
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BlockCacheLookupContext* lookup_context) {
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const BlockBasedTable::Rep* rep = table()->get_rep();
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const bool no_io = (read_options.read_tier == kBlockCacheTier);
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CachableEntry<Block> index_block;
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const Status s = GetOrReadIndexBlock(no_io, get_context, lookup_context,
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&index_block, read_options);
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if (!s.ok()) {
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if (iter != nullptr) {
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iter->Invalidate(s);
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return iter;
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}
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return NewErrorInternalIterator<IndexValue>(s);
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}
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Statistics* kNullStats = nullptr;
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// We don't return pinned data from index blocks, so no need
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// to set `block_contents_pinned`.
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auto it = index_block.GetValue()->NewIndexIterator(
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internal_comparator()->user_comparator(),
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rep->get_global_seqno(BlockType::kIndex), iter, kNullStats, true,
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index_has_first_key(), index_key_includes_seq(), index_value_is_full(),
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false /* block_contents_pinned */, user_defined_timestamps_persisted());
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assert(it != nullptr);
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index_block.TransferTo(it);
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return it;
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}
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} // namespace ROCKSDB_NAMESPACE
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