fix(mol): complete MOL scalar readback support

Signed-off-by: xiejh <862103595@qq.com>

Author: 862103595

sdk-core/src/main/java/io/milvus/param/ParamUtils.java

@@ -1562,6 +1562,7 @@ public static ValueField objectToValueField(Object obj, DataType dataType) {
             case String:
             case Geometry:
             case Timestamptz:
+            case Mol:
                 if (obj instanceof String) {
                     return builder.setStringData((String) obj).build();
                 }
@@ -1600,6 +1601,7 @@ public static Object valueFieldToObject(ValueField value, DataType dataType) {
             case String:
             case Geometry:
             case Timestamptz:
+            case Mol:
                 return value.getStringData();
             case JSON:
                 return JsonUtils.fromJson(value.getStringData(), JsonObject.class);

sdk-core/src/main/java/io/milvus/response/FieldDataWrapper.java

@@ -180,6 +180,8 @@ public long getRowCount() throws IllegalResponseException {
                 return fieldData.getScalars().getStringData().getDataCount();
             case Geometry:
                 return fieldData.getScalars().getGeometryWktData().getDataCount();
+            case Mol:
+                return fieldData.getScalars().getMolSmilesData().getDataCount();
             case JSON:
                 return fieldData.getScalars().getJsonData().getDataCount();
             case Array:
@@ -254,6 +256,7 @@ private List<?> getFieldDataInternal() throws IllegalResponseException {
             case String:
             case Geometry:
             case Timestamptz:
+            case Mol:
             case JSON:
                 return getScalarData(dt, fieldData.getScalars(), fieldData.getValidDataList());
             case ArrayOfStruct:
@@ -357,6 +360,10 @@ private List<?> getScalarData(DataType dt, ScalarField scalar, List<Boolean> val
                 ProtocolStringList protoGeoList = scalar.getGeometryWktData().getDataList();
                 return setNoneData(protoGeoList.subList(0, protoGeoList.size()), validData);
             }
+            case Mol: {
+                ProtocolStringList protoMolList = scalar.getMolSmilesData().getDataList();
+                return setNoneData(protoMolList.subList(0, protoMolList.size()), validData);
+            }
             case JSON: {
                 List<ByteString> dataList = scalar.getJsonData().getDataList();
                 return dataList.stream().map(ByteString::toStringUtf8).collect(Collectors.toList());

sdk-core/src/main/java/io/milvus/v2/service/vector/request/InsertReq.java

@@ -30,7 +30,7 @@ public class InsertReq {
      * Sets the row data to insert. The rows list cannot be empty.
      * <p>
      * Internal class for insert data.
-     * If dataType is Bool/Int8/Int16/Int32/Int64/Float/Double/Varchar/Geometry/Timestamptz, use JsonObject.addProperty(key, value) to input;
+     * If dataType is Bool/Int8/Int16/Int32/Int64/Float/Double/Varchar/Geometry/Timestamptz/Mol, use JsonObject.addProperty(key, value) to input;
      * If dataType is FloatVector, use JsonObject.add(key, gson.toJsonTree(List[Float]) to input;
      * If dataType is BinaryVector/Float16Vector/BFloat16Vector/Int8Vector, use JsonObject.add(key, gson.toJsonTree(byte[])) to input;
      * If dataType is SparseFloatVector, use JsonObject.add(key, gson.toJsonTree(SortedMap[Long, Float])) to input;

sdk-core/src/main/java/io/milvus/v2/service/vector/request/UpsertReq.java

@@ -28,7 +28,7 @@ public class UpsertReq {
      * Sets the row data to insert. The rows list cannot be empty.
      * <p>
      * Internal class for insert data.
-     * If dataType is Bool/Int8/Int16/Int32/Int64/Float/Double/Varchar/Geometry/Timestamptz, use JsonObject.addProperty(key, value) to input;
+     * If dataType is Bool/Int8/Int16/Int32/Int64/Float/Double/Varchar/Geometry/Timestamptz/Mol, use JsonObject.addProperty(key, value) to input;
      * If dataType is FloatVector, use JsonObject.add(key, gson.toJsonTree(List[Float]) to input;
      * If dataType is BinaryVector/Float16Vector/BFloat16Vector, use JsonObject.add(key, gson.toJsonTree(byte[])) to input;
      * If dataType is SparseFloatVector, use JsonObject.add(key, gson.toJsonTree(SortedMap[Long, Float])) to input;

sdk-core/src/test/java/io/milvus/client/MilvusServiceClientTest.java

@@ -2866,6 +2866,13 @@ void testFieldDataWrapper() {
         }
         testScalarField(ScalarField.newBuilder().setStringData(strBuilder).build(),
                 DataType.VarChar, dim);
+
+        MolSmilesArray.Builder molBuilder = MolSmilesArray.newBuilder();
+        for (long i = 0; i < dim; ++i) {
+            molBuilder.addData("C" + i);
+        }
+        testScalarField(ScalarField.newBuilder().setMolSmilesData(molBuilder).build(),
+                DataType.Mol, dim);
     }
 
     @Test