fix wrong search requests

milvus/utils/Format.ts

@@ -693,62 +693,68 @@ export const buildSearchRequest = (
     searchHybridReq.data[0].anns_field
   );
 
+  // output fields(reference fields)
+  const default_output_fields: string[] = ['*'];
+
   // Iterate through collection fields, create search request
   for (let i = 0; i < collectionInfo.schema.fields.length; i++) {
     const field = collectionInfo.schema.fields[i];
-    const { name } = field;
-
-    let req: SearchSimpleReq | (HybridSearchReq & HybridSearchSingleReq) =
-      data as SearchSimpleReq;
-
-    if (isHybridSearch) {
-      const singleReq = searchHybridReq.data.find(d => d.anns_field === name);
-      // if it is hybrid search and no request target is not found, skip
-      if (!singleReq) {
-        continue;
-      }
-      // merge single request with hybrid request
-      req = Object.assign(cloneObj(data), singleReq);
-    } else {
-      // if it is not hybrid search, and we have built one request, skip
-      const skip =
-        requests.length === 1 ||
-        (typeof req.anns_field !== 'undefined' && req.anns_field !== name);
-      if (skip) {
-        continue;
+    const { name, dataType } = field;
+
+    // if field  type is vector, build the request
+    if (isVectorType(dataType)) {
+      let req: SearchSimpleReq | (HybridSearchReq & HybridSearchSingleReq) =
+        data as SearchSimpleReq;
+
+      if (isHybridSearch) {
+        const singleReq = searchHybridReq.data.find(d => d.anns_field === name);
+        // if it is hybrid search and no request target is not found, skip
+        if (!singleReq) {
+          continue;
+        }
+        // merge single request with hybrid request
+        req = Object.assign(cloneObj(data), singleReq);
+      } else {
+        // if it is not hybrid search, and we have built one request, skip
+        const skip =
+          requests.length === 1 ||
+          (typeof req.anns_field !== 'undefined' && req.anns_field !== name);
+        if (skip) {
+          continue;
+        }
       }
-    }
 
-    // get search vectors
-    let searchingVector: VectorTypes | VectorTypes[] = isHybridSearch
-      ? req.data!
-      : searchReq.vectors ||
-        searchSimpleReq.vectors ||
-        searchSimpleReq.vector ||
-        searchSimpleReq.data;
-
-    // format searching vector
-    searchingVector = formatSearchVector(searchingVector, field.dataType!);
-
-    // create search request
-    requests.push({
-      collection_name: req.collection_name,
-      partition_names: req.partition_names || [],
-      output_fields: req.output_fields || ['*'],
-      nq: searchReq.nq || searchingVector.length,
-      dsl: searchReq.expr || searchSimpleReq.filter || '',
-      dsl_type: DslType.BoolExprV1,
-      placeholder_group: buildPlaceholderGroupBytes(
-        milvusProto,
-        searchingVector as VectorTypes[],
-        field.dataType!
-      ),
-      search_params: parseToKeyValue(
-        searchReq.search_params || buildSearchParams(req, name)
-      ),
-      consistency_level:
-        req.consistency_level || (collectionInfo.consistency_level as any),
-    });
+      // get search vectors
+      let searchingVector: VectorTypes | VectorTypes[] = isHybridSearch
+        ? req.data!
+        : searchReq.vectors ||
+          searchSimpleReq.vectors ||
+          searchSimpleReq.vector ||
+          searchSimpleReq.data;
+
+      // format searching vector
+      searchingVector = formatSearchVector(searchingVector, field.dataType!);
+
+      // create search request
+      requests.push({
+        collection_name: req.collection_name,
+        partition_names: req.partition_names || [],
+        output_fields: req.output_fields || default_output_fields,
+        nq: searchReq.nq || searchingVector.length,
+        dsl: searchReq.expr || searchSimpleReq.filter || '',
+        dsl_type: DslType.BoolExprV1,
+        placeholder_group: buildPlaceholderGroupBytes(
+          milvusProto,
+          searchingVector as VectorTypes[],
+          field.dataType!
+        ),
+        search_params: parseToKeyValue(
+          searchReq.search_params || buildSearchParams(req, name)
+        ),
+        consistency_level:
+          req.consistency_level || (collectionInfo.consistency_level as any),
+      });
+    }
   }
 
   /**

package.json

@@ -2,7 +2,7 @@
   "name": "@zilliz/milvus2-sdk-node",
   "author": "[email protected]",
   "version": "2.4.8",
-  "milvusVersion": "v2.4.10",
+  "milvusVersion": "v2.4.11",
   "main": "dist/milvus",
   "files": [
     "dist"