2015-06-19 16:14:27 +08:00
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# memgraph
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Memgraph is an ACID compliant high performance transactional distributed
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in-memory graph database featuring runtime native query compiling, lock free
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2015-06-19 16:33:48 +08:00
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data structures, multi-version concurrency control and asynchronous IO.
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2015-07-31 18:30:05 +08:00
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## dependencies
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Memgraph can be compiled using any modern c++ compiler. It mostly relies on
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the standard template library, however, some things do require external
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libraries.
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Some code contains linux-specific libraries and the build is only supported
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on a 64 bit linux kernel.
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* linux
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* clang 3.5 or Gcc 4.8 (good c++11 support, especially lock free atomics)
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* boost 1.55 (or something, probably works with almost anything)
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* lexertl (2015-07-14)
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2015-08-30 07:12:46 +08:00
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* lemon (parser generator)
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2015-07-31 18:30:05 +08:00
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* catch (for compiling tests)
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2016-08-10 16:39:02 +08:00
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### Bolt
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sudo apt-get install libssl-dev
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2015-07-31 18:30:05 +08:00
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## build
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2016-05-25 06:37:14 +08:00
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```
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cd build
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2016-06-15 06:06:21 +08:00
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cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DRUNTIME_ASSERT=OFF -DTHROW_EXCEPTION_ON_ERROR=OFF -DNDEBUG=OFF ..
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2016-08-08 16:32:34 +08:00
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# Flags:
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# -DCMAKE_C_COMPILER=clang
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# -DCMAKE_CXX_COMPILER=clang++
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# -DRUNTIME_ASSERT=OFF
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# -DTHROW_EXCEPTION_ON_ERROR=OFF
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# -DNDEBUG=ON
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2016-08-10 16:39:02 +08:00
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# -DCMAKE_BUILD_TYPE:STRING=debug
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# -DCMAKE_BUILD_TYPE:STRING=release
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2016-08-08 16:32:34 +08:00
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2016-05-25 06:37:14 +08:00
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make
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2016-06-05 18:12:25 +08:00
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ctest
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2016-05-25 06:37:14 +08:00
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ctest -V
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2016-06-05 18:12:25 +08:00
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ctest -R test_name
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2016-06-07 05:57:16 +08:00
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ctest -R unit
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ctest -R concurrent
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ctest -R concurrent --parallel 4
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2016-05-25 06:37:14 +08:00
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```
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2016-09-25 19:51:58 +08:00
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## Proof of concept
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### Dressipi
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Run command:
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```
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cd build/poc
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MEMGRAPH_CONFIG=/path/to/config/memgraph.yaml ./poc_astar -v "dressipi/graph_nodes_export.csv" -e "dressipi/graph_edges_export.csv"
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```
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### Powerlinx
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Run command:
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```
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cd build/poc
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MEMGRAPH_CONFIG=/path/to/config/memgraph.yaml ./profile -d ";" -v "node_account.csv" -v "node_company.csv" -v "node_opportunity.csv" -v "node_personnel.csv" -e "rel_created.csv" -e "rel_has_match.csv" -e "rel_interested_in.csv" -e "rel_is_employee.csv" -e "rel_partnered_with.csv" -e "rel_reached_to.csv" -e "rel_searched_and_clicked.csv" -e "rel_viewed.csv" -e "rel_works_in.csv"
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```
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# Custom test build example
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2016-06-26 00:26:26 +08:00
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clang++ -std=c++1y -o concurrent_skiplist ../tests/concurrent/skiplist.cpp -pg -I../src/ -I../libs/fmt -Lfmt-prefix/src/fmt-build/fmt -lfmt -lpthread
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2016-07-03 08:02:42 +08:00
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# TODO
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* implement basic subset of queries:
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* create node
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* create edge
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* find node
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* find edge
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* update node
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* update edge
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* delete node
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* delete edge
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* implement index
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* label index
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* type index
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* property index
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* from header only approach to .hpp + .cpp
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* query engine has to be statically linked with the rest of the code
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* unit test of queries that are manually implemented
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* src/query_engine/main_queries.cpp -> tests/unit/manual_queries
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* unit test of query_engine
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* console with history
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