Node.js Blob

kuzudb · Jul 7, 2023 · 15ced33 · 15ced33
1 parent d587f85
commit 15ced33
Show file tree

Hide file tree

Showing 2 changed files with 23 additions and 2 deletions.
diff --git a/tools/nodejs_api/src_cpp/node_util.cpp b/tools/nodejs_api/src_cpp/node_util.cpp
@@ -27,10 +27,13 @@ Napi::Value Util::ConvertToNapiObject(const Value& value, Napi::Env env) {
     case LogicalTypeID::DOUBLE: {
         return Napi::Number::New(env, value.getValue<double>());
     }
-    case LogicalTypeID::STRING:
-    case LogicalTypeID::BLOB: {
+    case LogicalTypeID::STRING: {
         return Napi::String::New(env, value.getValue<std::string>());
     }
+    case LogicalTypeID::BLOB: {
+        auto blobVal = value.getValue<std::string>();
+        return Napi::Buffer<char>::Copy(env, blobVal.c_str(), blobVal.size());
+    }
     case LogicalTypeID::DATE: {
         auto dateVal = value.getValue<date_t>();
         // Javascript Date type contains both date and time information. This returns the Date at

diff --git a/tools/nodejs_api/test/test_data_type.js b/tools/nodejs_api/test/test_data_type.js
@@ -113,6 +113,24 @@ describe("STRING", function () {
   });
 });
 
+describe("BLOB", function () {
+  it("should convert BLOB type", async function () {
+    const queryResult = await conn.query(
+      "RETURN BLOB('\\\\xAA\\\\xBB\\\\xCD\\\\x1A');"
+    );
+    const result = await queryResult.getAll();
+    assert.equal(result.length, 1);
+    assert.equal(Object.keys(result[0]).length, 1);
+    const value = Object.values(result[0])[0];
+    assert.isTrue(value instanceof Uint8Array);
+    assert.equal(value.length, 4);
+    assert.equal(value[0], 0xaa);
+    assert.equal(value[1], 0xbb);
+    assert.equal(value[2], 0xcd);
+    assert.equal(value[3], 0x1a);
+  });
+});
+
 describe("DATE", function () {
   it("should convert DATE type", async function () {
     const queryResult = await conn.query(