add milvus

packages/components/nodes/vectorstores/Milvus_Existing/Milvus_Existing.ts

@@ -0,0 +1,132 @@
+import { INode, INodeData, INodeOutputsValue, INodeParams } from '../../../src/Interface'
+import { Milvus, MilvusLibArgs } from 'langchain/vectorstores/milvus'
+import { Embeddings } from 'langchain/embeddings/base'
+import { getBaseClasses } from '../../../src/utils'
+
+class Milvus_Existing_VectorStores implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+    outputs: INodeOutputsValue[]
+
+    constructor() {
+        this.label = 'Milvus Load Existing Index'
+        this.name = 'milvusExistingIndex'
+        this.type = 'Milvus'
+        this.icon = 'milvus.jpg'
+        this.category = 'Vector Stores'
+        this.description = 'Load existing index from Milvus (i.e: Document has been upserted)'
+        this.baseClasses = [this.type, 'VectorStoreRetriever', 'BaseRetriever']
+        this.inputs = [
+            {
+                label: 'Embeddings',
+                name: 'embeddings',
+                type: 'Embeddings'
+            },
+            {
+                label: 'Collection Name',
+                name: 'milvusCollectionName',
+                type: 'string',
+                placeholder: 'my-milvus-collection'
+            },
+            {
+                label: 'Milvus URL',
+                name: 'milvusURL',
+                type: 'string',
+                placeholder: 'http://localhost:19530'
+            },
+            {
+                label: 'Primary Field',
+                name: 'milvusPrimaryField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Vector Field',
+                name: 'milvusVectorField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Vector Text Field',
+                name: 'milvusTextField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'SSL',
+                name: 'milvusSSL',
+                type: 'boolean',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Username',
+                name: 'milvusUsername',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Password',
+                name: 'milvusPassword',
+                type: 'password',
+                optional: true,
+                additionalParams: true
+            }
+        ]
+        this.outputs = [
+            {
+                label: 'Milvus Retriever',
+                name: 'retriever',
+                baseClasses: this.baseClasses
+            },
+            {
+                label: 'Milvus Vector Store',
+                name: 'vectorStore',
+                baseClasses: [this.type, ...getBaseClasses(Milvus)]
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const collectionName = nodeData.inputs?.milvusCollectionName as string
+        const embeddings = nodeData.inputs?.embeddings as Embeddings
+        const milvusURL = nodeData.inputs?.milvusURL as string
+        const milvusPrimaryField = nodeData.inputs?.milvusPrimaryField as string
+        const milvusVectorField = nodeData.inputs?.milvusVectorField as string
+        const milvusTextField = nodeData.inputs?.milvusTextField as string
+        const milvusSSL = nodeData.inputs?.milvusSSL as boolean
+        const milvusUsername = nodeData.inputs?.milvusUsername as string
+        const milvusPassword = nodeData.inputs?.milvusPassword as string
+        const output = nodeData.outputs?.output as string
+
+        const obj: MilvusLibArgs = { collectionName, url: milvusURL }
+        if (milvusPrimaryField) obj.primaryField = milvusPrimaryField
+        if (milvusVectorField) obj.vectorField = milvusVectorField
+        if (milvusTextField) obj.textField = milvusTextField
+        if (milvusSSL) obj.ssl = milvusSSL
+        if (milvusUsername) obj.username = milvusUsername
+        if (milvusPassword) obj.password = milvusPassword
+
+        const vectorStore = await Milvus.fromExistingCollection(embeddings, obj)
+
+        if (output === 'retriever') {
+            const retriever = vectorStore.asRetriever()
+            return retriever
+        } else if (output === 'vectorStore') {
+            return vectorStore
+        }
+        return vectorStore
+    }
+}
+
+module.exports = { nodeClass: Milvus_Existing_VectorStores }

packages/components/nodes/vectorstores/Milvus_Upsert/Milvus_Upsert.ts

@@ -0,0 +1,148 @@
+import { INode, INodeData, INodeOutputsValue, INodeParams } from '../../../src/Interface'
+import { Milvus, MilvusLibArgs } from 'langchain/vectorstores/milvus'
+import { Embeddings } from 'langchain/embeddings/base'
+import { getBaseClasses } from '../../../src/utils'
+import { Document } from 'langchain/document'
+
+class Milvus_Upsert_VectorStores implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+    outputs: INodeOutputsValue[]
+
+    constructor() {
+        this.label = 'Milvus Upsert Document'
+        this.name = 'milvusUpsert'
+        this.type = 'Milvus'
+        this.icon = 'milvus.jpg'
+        this.category = 'Vector Stores'
+        this.description = 'Upsert documents to Milvus'
+        this.baseClasses = [this.type, 'VectorStoreRetriever', 'BaseRetriever']
+        this.inputs = [
+            {
+                label: 'Document',
+                name: 'document',
+                type: 'Document',
+                list: true
+            },
+            {
+                label: 'Embeddings',
+                name: 'embeddings',
+                type: 'Embeddings'
+            },
+            {
+                label: 'Collection Name',
+                name: 'milvusCollectionName',
+                type: 'string',
+                placeholder: 'my_milvus_collection'
+            },
+            {
+                label: 'Milvus URL',
+                name: 'milvusURL',
+                type: 'string',
+                placeholder: 'http://localhost:19530'
+            },
+            {
+                label: 'Primary Field',
+                name: 'milvusPrimaryField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Vector Field',
+                name: 'milvusVectorField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Vector Text Field',
+                name: 'milvusTextField',
+                type: 'string',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'SSL',
+                name: 'milvusSSL',
+                type: 'boolean',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Username',
+                name: 'milvusUsername',
+                type: 'string',
+                placeholder: 'db_admin',
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Password',
+                name: 'milvusPassword',
+                type: 'password',
+                optional: true,
+                additionalParams: true
+            }
+        ]
+        this.outputs = [
+            {
+                label: 'Milvus Retriever',
+                name: 'retriever',
+                baseClasses: this.baseClasses
+            },
+            {
+                label: 'Milvus Vector Store',
+                name: 'vectorStore',
+                baseClasses: [this.type, ...getBaseClasses(Milvus)]
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const collectionName = nodeData.inputs?.milvusCollectionName as string
+        const embeddings = nodeData.inputs?.embeddings as Embeddings
+        const milvusURL = nodeData.inputs?.milvusURL as string
+        const milvusPrimaryField = nodeData.inputs?.milvusPrimaryField as string
+        const milvusVectorField = nodeData.inputs?.milvusVectorField as string
+        const milvusTextField = nodeData.inputs?.milvusTextField as string
+        const milvusSSL = nodeData.inputs?.milvusSSL as boolean
+        const milvusUsername = nodeData.inputs?.milvusUsername as string
+        const milvusPassword = nodeData.inputs?.milvusPassword as string
+        const output = nodeData.outputs?.output as string
+        const docs = nodeData.inputs?.document as Document[]
+
+        const flattenDocs = docs && docs.length ? docs.flat() : []
+        const finalDocs = []
+        for (let i = 0; i < flattenDocs.length; i += 1) {
+            finalDocs.push(new Document(flattenDocs[i]))
+        }
+
+        const obj: MilvusLibArgs = { collectionName, url: milvusURL }
+        if (milvusPrimaryField) obj.primaryField = milvusPrimaryField
+        if (milvusVectorField) obj.vectorField = milvusVectorField
+        if (milvusTextField) obj.textField = milvusTextField
+        if (milvusSSL) obj.ssl = milvusSSL
+        if (milvusUsername) obj.username = milvusUsername
+        if (milvusPassword) obj.password = milvusPassword
+
+        const vectorStore = await Milvus.fromDocuments(finalDocs, embeddings, obj)
+        console.log('vectorStore = ', vectorStore)
+
+        if (output === 'retriever') {
+            const retriever = vectorStore.asRetriever()
+            return retriever
+        } else if (output === 'vectorStore') {
+            return vectorStore
+        }
+        return vectorStore
+    }
+}
+
+module.exports = { nodeClass: Milvus_Upsert_VectorStores }

packages/components/package.json

@@ -20,6 +20,7 @@
         "@huggingface/inference": "1",
         "@pinecone-database/pinecone": "^0.0.12",
         "@supabase/supabase-js": "^2.21.0",
+        "@zilliz/milvus2-sdk-node": "^2.2.10",
         "axios": "^0.27.2",
         "cheerio": "^1.0.0-rc.12",
         "chromadb": "^1.3.1",