{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "d029ad67",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[460823023525530114, 460823023525530115]"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from langchain_milvus import BM25BuiltInFunction, Milvus\n",
    "URI = \"http://10.10.10.9:19530\"\n",
    "tongyiKey = \"sk-9464b2498c184982a9fe9d2c2e725ab5\"\n",
    "from langchain_community.embeddings import DashScopeEmbeddings\n",
    "embeddings = DashScopeEmbeddings(\n",
    "    model=\"text-embedding-v3\",\n",
    "    dashscope_api_key= tongyiKey, \n",
    ")\n",
    "vectorstore = Milvus(\n",
    "    embedding_function=embeddings,\n",
    "    connection_args={\"uri\": URI, \"token\": \"root:Milvus\", \"db_name\": \"bbit_ai_lab\"},\n",
    "    collection_name=\"knowledge\",\n",
    "    index_params={\"index_type\": \"FLAT\", \"metric_type\": \"L2\"},\n",
    "    consistency_level=\"Strong\",\n",
    "    auto_id=True,\n",
    "\n",
    "    primary_field = \"id\",\n",
    "    text_field=\"text\",\n",
    "    vector_field=\"vector\",\n",
    "    partition_key_field = \"kn_id\",\n",
    "    enable_dynamic_field = True,\n",
    "    drop_old=False,  # set to True if seeking to drop the collection with that name if it exists\n",
    ")\n",
    "\n",
    "from langchain.schema import Document\n",
    "\n",
    "docs = [\n",
    "    Document(\n",
    "        page_content=\"这是第一条文本\",\n",
    "        metadata={\n",
    "            \"kn_id\": \"8ecd1179-4194-4b80-bc39-5addc678df4b\",\n",
    "            \"is_active\": True,\n",
    "        }\n",
    "    ),\n",
    "    Document(\n",
    "        page_content=\"这是第二条文本\",\n",
    "        metadata={\n",
    "            \"kn_id\": \"8ecd1179-4194-4b80-bc39-5addc678df4b\",\n",
    "            \"is_active\": True,\n",
    "        }\n",
    "    )\n",
    "]\n",
    "\n",
    "vectorstore.add_documents(docs)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a480053b",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "*这是第一条文本 [{'kn_id': '8ecd1179-4194-4b80-bc39-5addc678df4b', 'id': 460823023525530108, 'is_active': True}]\n",
      "*这是第一条文本 [{'kn_id': '8ecd1179-4194-4b80-bc39-5addc678df4b', 'id': 460823023525530110, 'is_active': True}]\n"
     ]
    }
   ],
   "source": [
    "results = vectorstore.similarity_search(\n",
    "    \"\",\n",
    "    k=2,\n",
    "    expr='kn_id == \"8ecd1179-4194-4b80-bc39-5addc678df4b\"',\n",
    ")\n",
    "for res in results:\n",
    "    print(f\"*{res.page_content} [{res.metadata}]\")"
   ]
  }
 ],
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