feature: support rename collection to another database

milvus/grpc/Collection.ts

@@ -522,6 +522,8 @@ export class Collection extends Database {
    * @param {RenameCollectionReq} data - The request parameters.
    * @param {string} data.collection_name - The current name of the collection.
    * @param {string} data.new_collection_name - The new name for the collection.
+   * @param {string} data.db_name - Optional, the name of the database where the collection is located.
+   * @param {string} data.new_db_name - Optional, the name of the database where the new collection will be located.
    * @param {number} [data.timeout] - An optional duration of time in milliseconds to allow for the RPC. If it is set to undefined, the client keeps waiting until the server responds or error occurs. Default is undefined.
    *
    * @returns {Promise<ResStatus>} The response status of the operation.
@@ -538,13 +540,25 @@ export class Collection extends Database {
    * ```
    */
   async renameCollection(data: RenameCollectionReq): Promise<ResStatus> {
+    const req: any = {
+      oldName: data.collection_name,
+      newName: data.new_collection_name,
+    };
+
+    // if db_name is set, add it to the request
+    if (data.db_name) {
+      req.db_name = data.db_name;
+    }
+
+    // if new_db_name is set, add it to the request
+    if (data.new_db_name) {
+      req.newDBName = data.new_db_name;
+    }
+
     const promise = await promisify(
       this.channelPool,
       'RenameCollection',
-      {
-        oldName: data.collection_name,
-        newName: data.new_collection_name,
-      },
+      req,
       data.timeout || this.timeout
     );
     return promise;

milvus/types/Collection.ts

@@ -161,6 +161,7 @@ export interface GetReplicaReq extends GrpcTimeOut {
 
 export interface RenameCollectionReq extends collectionNameReq {
   new_collection_name: string;
+  new_db_name?: string;
 }
 
 export interface BoolResponse extends resStatusResponse {

test/grpc/Database.spec.ts

@@ -1,7 +1,8 @@
 import { MilvusClient, ErrorCode, DEFAULT_DB } from '../../milvus';
 import { IP, genCollectionParams, GENERATE_NAME } from '../tools';
 
-let milvusClient = new MilvusClient({ address: IP, logLevel: 'info' });
+let milvusClient = new MilvusClient({ address: IP, logLevel: 'debug' });
+const DEFAULT = 'default';
 const DB_NAME = GENERATE_NAME('database');
 const DB_NAME2 = GENERATE_NAME('database');
 const COLLECTION_NAME = GENERATE_NAME();
@@ -33,7 +34,7 @@ describe(`Database API`, () => {
     const useDB = await milvusClient.useDatabase({ db_name: DB_NAME });
     expect(useDB!.error_code).toEqual(ErrorCode.SUCCESS);
 
-    // create collection on another db
+    // create collection in another db
     const create = await milvusClient.createCollection(
       genCollectionParams({ collectionName: COLLECTION_NAME, dim: [4] })
     );
@@ -127,6 +128,37 @@ describe(`Database API`, () => {
     expect(dropCollections.error_code).toEqual(ErrorCode.SUCCESS);
   });
 
+  it(`move one collection to aonther database should ok`, async () => {
+    // create collection in another db
+    const createCollection = await milvusClient.createCollection({
+      ...genCollectionParams({ collectionName: COLLECTION_NAME2, dim: [4] }),
+      db_name: DB_NAME2,
+    });
+    expect(createCollection.error_code).toEqual(ErrorCode.SUCCESS);
+
+    // move colleciton to DEFAULT
+    const move = await milvusClient.renameCollection({
+      collection_name: COLLECTION_NAME2,
+      new_collection_name: COLLECTION_NAME2,
+      db_name: DB_NAME2,
+      new_db_name: DEFAULT,
+    });
+
+    const has = await milvusClient.hasCollection({
+      collection_name: COLLECTION_NAME2,
+      db_name: DEFAULT,
+    });
+
+    expect(has.value).toEqual(true);
+
+    // drop collection
+    const dropCollections = await milvusClient.dropCollection({
+      collection_name: COLLECTION_NAME2,
+      db_name: DEFAULT,
+    });
+    expect(dropCollections.error_code).toEqual(ErrorCode.SUCCESS);
+  });
+
   // it(`drop database should be ok`, async () => {
   //   const all = await milvusClient.listDatabases();