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Add indexing draft

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This commit is contained in:
Ante Pušić 2024-01-04 10:32:54 +01:00
parent d4059a89aa
commit 56b86089a6
3 changed files with 61 additions and 4 deletions
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18
query_modules/CMakeLists.txt
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@ -56,7 +56,23 @@ install(PROGRAMS $<TARGET_FILE:schema>
DESTINATION lib/memgraph/query_modules
RENAME schema.so)
# Also install the source of the example, so user can read it.
install(FILES schema.cpp DESTINATION lib/memgraph/query_modules/src)
install(FILES text_search.cpp DESTINATION lib/memgraph/query_modules/src)
add_library(text_search SHARED text_search.cpp)
target_include_directories(text_search PRIVATE ${CMAKE_SOURCE_DIR}/include)
target_compile_options(text_search PRIVATE -Wall)
target_link_libraries(text_search PRIVATE -static-libgcc -static-libstdc++)
# Strip C++ example in release build.
if (lower_build_type STREQUAL "release")
add_custom_command(TARGET text_search POST_BUILD
COMMAND strip -s $<TARGET_FILE:text_search>
COMMENT "Stripping symbols and sections from the C++ text_search module")
endif()
install(PROGRAMS $<TARGET_FILE:text_search>
DESTINATION lib/memgraph/query_modules
RENAME text_search.so)
# Also install the source of the example, so user can read it.
install(FILES text_search.cpp DESTINATION lib/memgraph/query_modules/src)
# Install the Python example and modules
install(FILES example.py DESTINATION lib/memgraph/query_modules RENAME py_example.py)

8
src/storage/v2/indices/indices.hpp
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@ -1,4 +1,4 @@
// Copyright 2023 Memgraph Ltd.
// Copyright 2024 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@ -17,6 +17,7 @@
#include "storage/v2/id_types.hpp"
#include "storage/v2/indices/label_index.hpp"
#include "storage/v2/indices/label_property_index.hpp"
#include "storage/v2/indices/text_index.hpp"
#include "storage/v2/storage_mode.hpp"
namespace memgraph::storage {
@ -30,12 +31,12 @@ struct Indices {
Indices &operator=(Indices &&) = delete;
~Indices() = default;
/// This function should be called from garbage collection to clean-up the
/// This function should be called from garbage collection to clean up the
/// index.
/// TODO: unused in disk indices
void RemoveObsoleteEntries(uint64_t oldest_active_start_timestamp) const;
/// Surgical removal of entries that was inserted this transaction
/// Surgical removal of entries that were inserted in this transaction
/// TODO: unused in disk indices
void AbortEntries(LabelId labelId, std::span<Vertex *const> vertices, uint64_t exact_start_timestamp) const;
void AbortEntries(PropertyId property, std::span<std::pair<PropertyValue, Vertex *> const> vertices,
@ -66,6 +67,7 @@ struct Indices {
std::unique_ptr<LabelIndex> label_index_;
std::unique_ptr<LabelPropertyIndex> label_property_index_;
std::unique_ptr<TextIndex> text_index_;
};
} // namespace memgraph::storage

39
src/storage/v2/indices/text_index.hpp Normal file
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@ -0,0 +1,39 @@
// Copyright 2024 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
namespace memgraph::storage {
class TextIndex {
public:
TextIndex() = default;
TextIndex(const TextIndex &) = delete;
TextIndex(TextIndex &&) = delete;
TextIndex &operator=(const TextIndex &) = delete;
TextIndex &operator=(TextIndex &&) = delete;
virtual ~TextIndex() = default;
virtual void UpdateOnAddLabel(LabelId added_label, Vertex *vertex_after_update, const Transaction &tx) = 0;
// Not used for in-memory
virtual void UpdateOnRemoveLabel(LabelId removed_label, Vertex *vertex_after_update, const Transaction &tx) = 0;
virtual bool DropIndex(LabelId label) = 0;
virtual bool IndexExists(LabelId label) const = 0;
virtual std::vector<LabelId> ListIndices() const = 0;
virtual uint64_t ApproximateVertexCount(LabelId label) const = 0;
};
} // namespace memgraph::storage