From e1624d11d5ae069b58b9095029a643e695ca6647 Mon Sep 17 00:00:00 2001 From: Henry Date: Tue, 18 Apr 2023 00:36:18 +0100 Subject: [PATCH] add sqldbchain and example --- .../SqlDatabaseChain/SqlDatabaseChain.ts | 81 +++++++++ .../chains/SqlDatabaseChain/sqlchain.svg | 7 + .../server/marketplaces/SQL DB Chain.json | 163 ++++++++++++++++++ 3 files changed, 251 insertions(+) create mode 100644 packages/components/nodes/chains/SqlDatabaseChain/SqlDatabaseChain.ts create mode 100644 packages/components/nodes/chains/SqlDatabaseChain/sqlchain.svg create mode 100644 packages/server/marketplaces/SQL DB Chain.json diff --git a/packages/components/nodes/chains/SqlDatabaseChain/SqlDatabaseChain.ts b/packages/components/nodes/chains/SqlDatabaseChain/SqlDatabaseChain.ts new file mode 100644 index 00000000..1f6d9fdd --- /dev/null +++ b/packages/components/nodes/chains/SqlDatabaseChain/SqlDatabaseChain.ts @@ -0,0 +1,81 @@ +import { INode, INodeData, INodeParams } from '../../../src/Interface' +import { SqlDatabaseChain } from 'langchain/chains' +import { getBaseClasses } from '../../../src/utils' +import { DataSource } from 'typeorm' +import { SqlDatabase } from 'langchain/sql_db' +import { BaseLLM } from 'langchain/llms/base' + +class SqlDatabaseChain_Chains implements INode { + label: string + name: string + type: string + icon: string + category: string + baseClasses: string[] + description: string + inputs: INodeParams[] + + constructor() { + this.label = 'Sql Database Chain' + this.name = 'sqlDatabaseChain' + this.type = 'SqlDatabaseChain' + this.icon = 'sqlchain.svg' + this.category = 'Chains' + this.description = 'Answer questions over a SQL database' + this.baseClasses = [this.type, ...getBaseClasses(SqlDatabaseChain)] + this.inputs = [ + { + label: 'LLM', + name: 'llm', + type: 'BaseLLM' + }, + { + label: 'Database', + name: 'database', + type: 'options', + options: [ + { + label: 'SQlite', + name: 'sqlite' + } + ], + default: 'sqlite' + }, + { + label: 'Database File Path', + name: 'dbFilePath', + type: 'string', + placeholder: 'C:/Users/chinook.db' + } + ] + } + + async init(nodeData: INodeData): Promise { + const databaseType = nodeData.inputs?.database + const llm = nodeData.inputs?.llm as BaseLLM + const dbFilePath = nodeData.inputs?.dbFilePath + + const datasource = new DataSource({ + type: databaseType, + database: dbFilePath + }) + + const db = await SqlDatabase.fromDataSourceParams({ + appDataSource: datasource + }) + + const chain = new SqlDatabaseChain({ + llm, + database: db + }) + return chain + } + + async run(nodeData: INodeData, input: string): Promise { + const chain = nodeData.instance as SqlDatabaseChain + const res = await chain.run(input) + return res + } +} + +module.exports = { nodeClass: SqlDatabaseChain_Chains } diff --git a/packages/components/nodes/chains/SqlDatabaseChain/sqlchain.svg b/packages/components/nodes/chains/SqlDatabaseChain/sqlchain.svg new file mode 100644 index 00000000..dcf937b3 --- /dev/null +++ b/packages/components/nodes/chains/SqlDatabaseChain/sqlchain.svg @@ -0,0 +1,7 @@ + + + + + + + \ No newline at end of file diff --git a/packages/server/marketplaces/SQL DB Chain.json b/packages/server/marketplaces/SQL DB Chain.json new file mode 100644 index 00000000..4d8b35c8 --- /dev/null +++ b/packages/server/marketplaces/SQL DB Chain.json @@ -0,0 +1,163 @@ +{ + "description": "Answer questions over a SQL database", + "nodes": [ + { + "width": 300, + "height": 424, + "id": "sqlDatabaseChain_0", + "position": { + "x": 1271.2742585099204, + "y": 232.91561199714107 + }, + "type": "customNode", + "data": { + "id": "sqlDatabaseChain_0", + "label": "Sql Database Chain", + "name": "sqlDatabaseChain", + "type": "SqlDatabaseChain", + "baseClasses": ["SqlDatabaseChain", "BaseChain"], + "category": "Chains", + "description": "Answer questions over a SQL database", + "inputParams": [ + { + "label": "Database", + "name": "database", + "type": "options", + "options": [ + { + "label": "SQlite", + "name": "sqlite" + } + ], + "default": "sqlite" + }, + { + "label": "Database File Path", + "name": "dbFilePath", + "type": "string", + "placeholder": "C:/Users/chinook.db" + } + ], + "inputAnchors": [ + { + "label": "LLM", + "name": "llm", + "type": "BaseLLM", + "id": "sqlDatabaseChain_0-input-llm-BaseLLM" + } + ], + "inputs": { + "llm": "{{openAI_0.data.instance}}", + "database": "sqlite", + "dbFilePath": "" + }, + "outputAnchors": [ + { + "id": "sqlDatabaseChain_0-output-sqlDatabaseChain-SqlDatabaseChain|BaseChain", + "name": "sqlDatabaseChain", + "label": "SqlDatabaseChain", + "type": "SqlDatabaseChain | BaseChain" + } + ], + "selected": false + }, + "selected": false, + "positionAbsolute": { + "x": 1271.2742585099204, + "y": 232.91561199714107 + }, + "dragging": false + }, + { + "width": 300, + "height": 472, + "id": "openAI_0", + "position": { + "x": 867.8574087065126, + "y": 209.58625096303308 + }, + "type": "customNode", + "data": { + "id": "openAI_0", + "label": "OpenAI", + "name": "openAI", + "type": "OpenAI", + "baseClasses": ["OpenAI", "BaseLLM", "BaseLanguageModel"], + "category": "LLMs", + "description": "Wrapper around OpenAI large language models", + "inputParams": [ + { + "label": "OpenAI Api Key", + "name": "openAIApiKey", + "type": "password" + }, + { + "label": "Model Name", + "name": "modelName", + "type": "options", + "options": [ + { + "label": "text-davinci-003", + "name": "text-davinci-003" + }, + { + "label": "text-davinci-002", + "name": "text-davinci-002" + }, + { + "label": "text-curie-001", + "name": "text-curie-001" + }, + { + "label": "text-babbage-001", + "name": "text-babbage-001" + } + ], + "default": "text-davinci-003", + "optional": true + }, + { + "label": "Temperature", + "name": "temperature", + "type": "number", + "default": 0.7, + "optional": true + } + ], + "inputAnchors": [], + "inputs": { + "modelName": "text-davinci-003", + "temperature": "0" + }, + "outputAnchors": [ + { + "id": "openAI_0-output-openAI-OpenAI|BaseLLM|BaseLanguageModel", + "name": "openAI", + "label": "OpenAI", + "type": "OpenAI | BaseLLM | BaseLanguageModel" + } + ], + "selected": false + }, + "selected": false, + "positionAbsolute": { + "x": 867.8574087065126, + "y": 209.58625096303308 + }, + "dragging": false + } + ], + "edges": [ + { + "source": "openAI_0", + "sourceHandle": "openAI_0-output-openAI-OpenAI|BaseLLM|BaseLanguageModel", + "target": "sqlDatabaseChain_0", + "targetHandle": "sqlDatabaseChain_0-input-llm-BaseLLM", + "type": "buttonedge", + "id": "openAI_0-openAI_0-output-openAI-OpenAI|BaseLLM|BaseLanguageModel-sqlDatabaseChain_0-sqlDatabaseChain_0-input-llm-BaseLLM", + "data": { + "label": "" + } + } + ] +}