Address #2954 for C++, C, Python, Node.js, and Java APIs

src/c_api/CMakeLists.txt

@@ -8,7 +8,8 @@ add_library(kuzu_c_api
         prepared_statement.cpp
         query_result.cpp
         query_summary.cpp
-        value.cpp)
+        value.cpp
+        version.cpp)
 
 set(ALL_OBJECT_FILES
         ${ALL_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_c_api>

src/c_api/version.cpp

@@ -0,0 +1,12 @@
+#include "main/version.h"
+
+#include "c_api/helpers.h"
+#include "c_api/kuzu.h"
+
+char* kuzu_get_version() {
+    return convertToOwnedCString(kuzu::main::Version::getVersion());
+}
+
+uint64_t kuzu_get_storage_version() {
+    return kuzu::main::Version::getStorageVersion();
+}

src/include/c_api/kuzu.h

@@ -1269,4 +1269,15 @@ KUZU_C_API double kuzu_query_summary_get_compiling_time(kuzu_query_summary* quer
 KUZU_C_API double kuzu_query_summary_get_execution_time(kuzu_query_summary* query_summary);
 
 // TODO: Bind utility functions for kuzu_date_t, kuzu_timestamp_t, and kuzu_interval_t
+
+// Version
+/**
+ * @brief Returns the version of the Kùzu library.
+ */
+KUZU_C_API char* kuzu_get_version();
+
+/**
+ * @brief Returns the storage version of the Kùzu library.
+ */
+KUZU_C_API uint64_t kuzu_get_storage_version();
 #undef KUZU_C_API

src/include/main/kuzu.h

@@ -18,4 +18,5 @@
 #include "main/query_result.h"                // IWYU pragma: export
 #include "main/query_summary.h"               // IWYU pragma: export
 #include "main/storage_driver.h"              // IWYU pragma: export
+#include "main/version.h"                     // IWYU pragma: export
 #include "processor/result/flat_tuple.h"      // IWYU pragma: export

src/include/main/version.h

@@ -0,0 +1,23 @@
+#pragma once
+#include <cstdint>
+
+#include "common/api.h"
+namespace kuzu {
+namespace main {
+
+struct Version {
+public:
+    /**
+     * @brief Get the version of the Kùzu library.
+     * @return const char* The version of the Kùzu library.
+     */
+    KUZU_API static const char* getVersion();
+
+    /**
+     * @brief Get the storage version of the Kùzu library.
+     * @return uint64_t The storage version of the Kùzu library.
+     */
+    KUZU_API static uint64_t getStorageVersion();
+};
+} // namespace main
+} // namespace kuzu

src/main/CMakeLists.txt

@@ -8,6 +8,7 @@ add_library(kuzu_main
         query_result.cpp
         query_summary.cpp
         storage_driver.cpp
+        version.cpp
         db_config.cpp)
 
 set(ALL_OBJECT_FILES

src/main/version.cpp

@@ -0,0 +1,15 @@
+#include "main/version.h"
+
+#include "storage/storage_info.h"
+
+namespace kuzu {
+namespace main {
+const char* Version::getVersion() {
+    return KUZU_CMAKE_VERSION;
+}
+
+uint64_t Version::getStorageVersion() {
+    return storage::StorageVersionInfo::getStorageVersion();
+}
+} // namespace main
+} // namespace kuzu

test/c_api/CMakeLists.txt

@@ -6,4 +6,5 @@ add_kuzu_api_test(c_api_test
         prepared_statement_test.cpp
         query_result_test.cpp
         rdf_variant_test.cpp
-        value_test.cpp)
+        value_test.cpp
+        version_test.cpp)

test/c_api/version_test.cpp

@@ -0,0 +1,41 @@
+
+#include <filesystem>
+#include <fstream>
+
+#include "c_api/kuzu.h"
+#include "c_api_test/c_api_test.h"
+#include "gtest/gtest.h"
+#include "main/version.h"
+
+using namespace kuzu::main;
+using namespace kuzu::testing;
+using namespace kuzu::common;
+
+class CApiVersionTest : public CApiTest {
+public:
+    std::string getInputDir() override {
+        return TestHelper::appendKuzuRootPath("dataset/tinysnb/");
+    }
+};
+
+TEST_F(CApiVersionTest, GetVersion) {
+    auto version = kuzu_get_version();
+    ASSERT_NE(version, nullptr);
+    ASSERT_STREQ(version, KUZU_CMAKE_VERSION);
+    kuzu_destroy_string(version);
+}
+
+TEST_F(CApiVersionTest, GetStorageVersion) {
+    auto storageVersion = kuzu_get_storage_version();
+    auto catalog = std::filesystem::path(databasePath) / "catalog.kz";
+    std::ifstream catalogFile;
+    catalogFile.open(catalog, std::ios::binary);
+    char magic[5];
+    catalogFile.read(magic, 4);
+    magic[4] = '\0';
+    ASSERT_STREQ(magic, "KUZU");
+    uint64_t actualVersion;
+    catalogFile.read(reinterpret_cast<char*>(&actualVersion), sizeof(actualVersion));
+    catalogFile.close();
+    ASSERT_EQ(storageVersion, actualVersion);
+}

tools/java_api/src/jni/kuzu_java.cpp

@@ -166,7 +166,8 @@
     env->ReleaseStringUTFChars(lib_path, path);
     if (handle == nullptr) {
         jclass Exception = env->FindClass("java/lang/Exception");
-        auto error = dlerror(); // NOLINT(concurrency-mt-unsafe): load can only be executed in single thread.
+        auto error =
+            dlerror(); // NOLINT(concurrency-mt-unsafe): load can only be executed in single thread.
         env->ThrowNew(Exception, error);
     }
 #endif
@@ -1254,3 +1255,11 @@
         return nullptr;
     }
 }
+
+JNIEXPORT jstring JNICALL Java_com_kuzudb_KuzuNative_kuzu_1get_1version(JNIEnv* env, jclass) {
+    return env->NewStringUTF(Version::getVersion());
+}
+
+JNIEXPORT jlong JNICALL Java_com_kuzudb_KuzuNative_kuzu_1get_1storage_1version(JNIEnv*, jclass) {
+    return static_cast<jlong>(Version::getStorageVersion());
+}

tools/java_api/src/main/java/com/kuzudb/KuzuNative.java

@@ -221,4 +221,8 @@ protected static native long kuzu_data_type_create(
     protected static native KuzuDataType kuzu_rdf_variant_get_data_type(KuzuValue rdf_variant);
 
     protected static native <T> T kuzu_rdf_variant_get_value(KuzuValue rdf_variant);
+
+    protected static native String kuzu_get_version();
+
+    protected static native long kuzu_get_storage_version();
 }

tools/java_api/src/main/java/com/kuzudb/KuzuVersion.java

@@ -0,0 +1,23 @@
+package com.kuzudb;
+
+/**
+ * KuzuVersion is a class to get the version of the Kùzu.
+ */
+public class KuzuVersion {
+
+    /**
+     * Get the version of the Kùzu.
+     * @return The version of the Kùzu.
+     */
+    public static String getVersion() {
+        return KuzuNative.kuzu_get_version();
+    }
+
+    /**
+     * Get the storage version of the Kùzu.
+     * @return The storage version of the Kùzu.
+     */
+    public static long getStorageVersion() {
+        return KuzuNative.kuzu_get_storage_version();
+    }
+}

tools/java_api/src/test/java/com/kuzudb/test/VersionTest.java

@@ -0,0 +1,21 @@
+package com.kuzudb.java_test;
+
+import com.kuzudb.*;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class VersionTest extends TestBase {
+
+    @Test
+    void GetVersion() {
+        String version = KuzuVersion.getVersion();
+        assertTrue(!version.equals(""));
+    }
+
+    @Test
+    void GetStorageVersion() {
+        long storage_version = KuzuVersion.getStorageVersion();
+        assertTrue(storage_version > 0);
+    }
+}

tools/nodejs_api/src_cpp/include/node_database.h

@@ -20,6 +20,8 @@ class NodeDatabase : public Napi::ObjectWrap<NodeDatabase> {
     Napi::Value InitAsync(const Napi::CallbackInfo& info);
     void InitCppDatabase();
     void setLoggingLevel(const Napi::CallbackInfo& info);
+    static Napi::Value GetVersion(const Napi::CallbackInfo& info);
+    static Napi::Value GetStorageVersion(const Napi::CallbackInfo& info);
 
 private:
     std::string databasePath;

tools/nodejs_api/src_cpp/node_database.cpp

@@ -7,6 +7,8 @@ Napi::Object NodeDatabase::Init(Napi::Env env, Napi::Object exports) {
         {
             InstanceMethod("initAsync", &NodeDatabase::InitAsync),
             InstanceMethod("setLoggingLevel", &NodeDatabase::setLoggingLevel),
+            StaticMethod("getVersion", &NodeDatabase::GetVersion),
+            StaticMethod("getStorageVersion", &NodeDatabase::GetStorageVersion),
         });
 
     exports.Set("NodeDatabase", t);
@@ -52,3 +54,15 @@ void NodeDatabase::setLoggingLevel(const Napi::CallbackInfo& info) {
     auto loggingLevel = info[0].As<Napi::String>().Utf8Value();
     database->setLoggingLevel(std::move(loggingLevel));
 }
+
+Napi::Value NodeDatabase::GetVersion(const Napi::CallbackInfo& info) {
+    Napi::Env env = info.Env();
+    Napi::HandleScope scope(env);
+    return Napi::String::New(env, Version::getVersion());
+}
+
+Napi::Value NodeDatabase::GetStorageVersion(const Napi::CallbackInfo& info) {
+    Napi::Env env = info.Env();
+    Napi::HandleScope scope(env);
+    return Napi::Number::New(env, Version::getStorageVersion());
+}

tools/nodejs_api/src_js/database.js

@@ -32,12 +32,28 @@ class Database {
       databasePath,
       bufferManagerSize,
       enableCompression,
-      readOnly,
+      readOnly
     );
     this._isInitialized = false;
     this._initPromise = null;
   }
 
+  /**
+   * Get the version of the library.
+   * @returns {String} the version of the library.
+   */
+  static getVersion() {
+    return KuzuNative.NodeDatabase.getVersion();
+  }
+
+  /**
+   * Get the storage version of the library.
+   * @returns {Number} the storage version of the library.
+   */
+  static getStorageVersion() {
+    return KuzuNative.NodeDatabase.getStorageVersion();
+  }
+
   /**
    * Initialize the database. Calling this function is optional, as the
    * database is initialized automatically when the first query is executed.

tools/nodejs_api/src_js/index.js

@@ -12,4 +12,10 @@ module.exports = {
   LoggingLevel,
   PreparedStatement,
   QueryResult,
+  get VERSION() {
+    return Database.getVersion();
+  },
+  get STORAGE_VERSION() {
+    return Database.getStorageVersion();
+  },
 };

tools/nodejs_api/test/test.js

@@ -17,4 +17,5 @@ describe("kuzu", () => {
   importTest("Extension loading", "./test_extension.js");
   importTest("Query parameters", "./test_parameter.js");
   importTest("Concurrent query execution", "./test_concurrency.js");
+  importTest("Version", "./test_version.js");
 });

tools/nodejs_api/test/test_version.js

@@ -0,0 +1,13 @@
+const { assert } = require("chai");
+
+describe("Get version", function () {
+  it("should get the version of the library", function () {
+    assert.isString(kuzu.VERSION);
+    assert.notEqual(kuzu.VERSION, "");
+  });
+
+  it("should get the storage version of the library", function () {
+    assert.isNumber(kuzu.STORAGE_VERSION);
+    assert.isAtLeast(kuzu.STORAGE_VERSION, 1);
+  });
+});

tools/python_api/src_cpp/include/py_database.h

@@ -16,6 +16,10 @@ class PyDatabase {
 
     static void initialize(py::handle& m);
 
+    static py::str getVersion();
+
+    static uint64_t getStorageVersion();
+
     explicit PyDatabase(const std::string& databasePath, uint64_t bufferPoolSize,
         uint64_t maxNumThreads, bool compression, bool readOnly, uint64_t maxDBSize);
 

tools/python_api/src_cpp/py_database.cpp

@@ -1,10 +1,11 @@
 #include "include/py_database.h"
 
+#include <memory>
+
 #include "include/cached_import/py_cached_import.h"
+#include "main/version.h"
 #include "pandas/pandas_scan.h"
 
-#include <memory>
-
 using namespace kuzu::common;
 
 void PyDatabase::initialize(py::handle& m) {
@@ -28,7 +29,17 @@ void PyDatabase::initialize(py::handle& m) {
         .def("scan_node_table_as_float", &PyDatabase::scanNodeTable<float>, py::arg("table_name"),
             py::arg("prop_name"), py::arg("indices"), py::arg("np_array"), py::arg("num_threads"))
         .def("scan_node_table_as_bool", &PyDatabase::scanNodeTable<bool>, py::arg("table_name"),
-            py::arg("prop_name"), py::arg("indices"), py::arg("np_array"), py::arg("num_threads"));
+            py::arg("prop_name"), py::arg("indices"), py::arg("np_array"), py::arg("num_threads"))
+        .def_static("get_version", &PyDatabase::getVersion)
+        .def_static("get_storage_version", &PyDatabase::getStorageVersion);
+}
+
+py::str PyDatabase::getVersion() {
+    return py::str(Version::getVersion());
+}
+
+uint64_t PyDatabase::getStorageVersion() {
+    return Version::getStorageVersion();
 }
 
 PyDatabase::PyDatabase(const std::string& databasePath, uint64_t bufferPoolSize,

tools/python_api/src_py/__init__.py

@@ -51,6 +51,15 @@
 from .query_result import *
 from .types import *
 
+def __getattr__(name):
+    if name == "version":
+        return Database.get_version()
+    elif name == "storage_version":
+        return Database.get_storage_version()
+    else:
+        raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
+
+
 # Restore the original dlopen flags
 if sys.platform == "linux":
     sys.setdlopenflags(original_dlopen_flags)