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* Added Windows support. * Added Apple support. * Added compile-time warnings setup. * Added `DiscardAll` and `FetchAll` in C++. * Fixed type checking in C++ `ConstValue::ValueMap` method. * Fixed pull error handling in the C++ `Client::Execute` method. * Fixed various compile-time warnings. * Fixed `mg_session_params_get_client_name` by renaming it to `mg_session_params_get_user_agent` (the one implemented in `src/mgclient.c`). * Add advanced C++ example.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -31,7 +31,7 @@ jobs: | |
| run: | | ||
| mkdir build | ||
| cd build | ||
| cmake -DOPENSSL_ROOT_DIR=/usr/local/Cellar/[email protected]/1.1.1h -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_TESTING=ON -DBUILD_TESTING_INTEGRATION=ON -DC_WARNINGS_AS_ERRORS=ON -DCPP_WARNINGS_AS_ERRORS=ON .. | ||
| cmake -DOPENSSL_ROOT_DIR=/usr/local/Cellar/[email protected]/1.1.1i -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_TESTING=ON -DBUILD_TESTING_INTEGRATION=ON -DC_WARNINGS_AS_ERRORS=ON -DCPP_WARNINGS_AS_ERRORS=ON .. | ||
| make | ||
| ctest -E "example|integration" | ||
| sudo make install | ||
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|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| #include <iostream> | ||
| #include <numeric> | ||
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| #include "mgclient.hpp" | ||
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| void ClearDatabaseData(mg::Client *client) { | ||
| if (!client->Execute("MATCH (n) DETACH DELETE n;")) { | ||
| std::cerr << "Failed to delete all data from the database." << std::endl; | ||
| std::exit(1); | ||
| } | ||
| client->DiscardAll(); | ||
| } | ||
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| int main(int argc, char *argv[]) { | ||
| if (argc != 3) { | ||
| std::cerr << "Usage: " << argv[0] << " [host] [port]\n"; | ||
| std::exit(1); | ||
| } | ||
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| mg::Client::Init(); | ||
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| { | ||
| mg::Client::Params params; | ||
| params.host = argv[1]; | ||
| params.port = static_cast<uint16_t>(atoi(argv[2])); | ||
| auto client = mg::Client::Connect(params); | ||
| if (!client) { | ||
| std::cerr << "Failed to connect." << std::endl; | ||
| return 1; | ||
| } | ||
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| ClearDatabaseData(client.get()); | ||
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| if (!client->Execute("CREATE INDEX ON :Person(id);")) { | ||
| std::cerr << "Failed to create an index." << std::endl; | ||
| return 1; | ||
| } | ||
| client->DiscardAll(); | ||
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| if (!client->Execute( | ||
| "CREATE (:Person:Entrepreneur {id: 0, age: 40, name: 'John', " | ||
| "isStudent: false, score: 5.0});")) { | ||
| std::cerr << "Failed to add data." << std::endl; | ||
| return 1; | ||
| } | ||
| client->DiscardAll(); | ||
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| if (!client->Execute("MATCH (n) RETURN n;")) { | ||
| std::cerr << "Failed to read data." << std::endl; | ||
| return 1; | ||
| } | ||
| if (const auto maybe_data = client->FetchAll()) { | ||
| const auto data = *maybe_data; | ||
| std::cout << "Number of results: " << data.size() << std::endl; | ||
| } | ||
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| if (!client->Execute("MATCH (n) RETURN n;")) { | ||
| std::cerr << "Failed to read data." << std::endl; | ||
| return 1; | ||
| } | ||
| while (const auto maybe_result = client->FetchOne()) { | ||
| const auto result = *maybe_result; | ||
| if (result.size() < 1) { | ||
| continue; | ||
| } | ||
| const auto value = result[0]; | ||
| if (value.type() == mg::Value::Type::Node) { | ||
| const auto node = value.ValueNode(); | ||
| auto labels = node.labels(); | ||
| std::string labels_str = std::accumulate( | ||
| labels.begin(), labels.end(), std::string(""), | ||
| [](const std::string &acc, const std::string_view value) { | ||
| return acc + ":" + std::string(value); | ||
| }); | ||
| const auto props = node.properties(); | ||
| std::string props_str = | ||
| std::accumulate( | ||
| props.begin(), props.end(), std::string("{"), | ||
| [](const std::string &acc, const auto &key_value) { | ||
| const auto &[key, value] = key_value; | ||
| std::string value_str; | ||
| if (value.type() == mg::Value::Type::Int) { | ||
| value_str = std::to_string(value.ValueInt()); | ||
| } else if (value.type() == mg::Value::Type::String) { | ||
| value_str = value.ValueString(); | ||
| } else if (value.type() == mg::Value::Type::Bool) { | ||
| value_str = std::to_string(value.ValueBool()); | ||
| } else if (value.type() == mg::Value::Type::Double) { | ||
| value_str = std::to_string(value.ValueDouble()); | ||
| } else { | ||
| std::cerr | ||
| << "Uncovered converstion from data type to a string" | ||
| << std::endl; | ||
| std::exit(1); | ||
| } | ||
| return acc + " " + std::string(key) + ": " + value_str; | ||
| }) + | ||
| " }"; | ||
| std::cout << labels_str << " " << props_str << std::endl; | ||
| } | ||
| } | ||
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| ClearDatabaseData(client.get()); | ||
| } | ||
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| mg::Client::Finalize(); | ||
|
|
||
| return 0; | ||
| } |
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