Fix a bug that index property was not correctly passed

Signed-off-by: yhmo <yihua.mo@zilliz.com>

Author: yhmo

sdk-core/src/main/java/io/milvus/v2/service/index/IndexService.java

@@ -66,15 +66,12 @@ public Void createIndex(MilvusServiceGrpc.MilvusServiceBlockingStub blockingStub
             }
             Map<String, Object> extraParams = indexParam.getExtraParams();
             if (extraParams != null && !extraParams.isEmpty()) {
-                JsonObject params = new JsonObject();
                 for (String key : extraParams.keySet()) {
-                    params.addProperty(key, extraParams.get(key).toString());
+                    builder.addExtraParams(KeyValuePair.newBuilder()
+                            .setKey(key)
+                            .setValue(extraParams.get(key).toString())
+                            .build());
                 }
-                // the extra params is a JSON format string like "{\"M\": 8, \"efConstruction\": 64}"
-                builder.addExtraParams(KeyValuePair.newBuilder()
-                        .setKey(Constant.PARAMS)
-                        .setValue(params.toString())
-                        .build());
             }
 
             Status status = blockingStub.createIndex(builder.build());

sdk-core/src/main/java/io/milvus/v2/utils/ConvertUtils.java

@@ -99,7 +99,11 @@ public DescribeIndexResp convertToDescribeIndexResp(List<IndexDescription> respo
                 } else if (param.getKey().equals(Constant.MMAP_ENABLED)) {
                     properties.put(param.getKey(), param.getValue());
                 } else if (param.getKey().equals(Constant.PARAMS)) {
-                    extraParams = JsonUtils.fromJson(param.getValue(), new TypeToken<Map<String, String>>() {}.getType());
+                    Map<String, String> tempParams = JsonUtils.fromJson(param.getValue(), new TypeToken<Map<String, String>>() {}.getType());
+                    tempParams.remove(Constant.MMAP_ENABLED);
+                    extraParams.putAll(tempParams);
+                } else {
+                    extraParams.put(param.getKey(), param.getValue());
                 }
             }