add the Simple Agent Example Project

2025-03-03 16:35:52 +08:00 · 2025-03-03 16:35:52 +08:00 · b04da37aed
commit b04da37aed
parent 0b1b2fd3b5
14 changed files with 1911 additions and 0 deletions
--- a/URL_Database_project/ai_agent/.gitignore
+++ b/URL_Database_project/ai_agent/.gitignore
@ -0,0 +1,2 @@
+.env
+node_modules/
--- a/URL_Database_project/ai_agent/app.py
+++ b/URL_Database_project/ai_agent/app.py
@ -0,0 +1,89 @@
+from typing import Optional
+import requests
+
+from smolagents.agents import ToolCallingAgent
+from smolagents import CodeAgent, HfApiModel, tool
+from huggingface_hub import login
+from smolagents import LiteLLMModel
+
+from dotenv import load_dotenv
+import os
+
+# load .env file
+load_dotenv()
+
+api_key = os.environ.get('API_KEY')
+
+#print(api_key)
+login(api_key)
+
+# Select LLM engine to use!
+model = HfApiModel()
+# model = LiteLLMModel(
+#         model_id="ollama_chat/llama3.1",
+#         api_base="http://localhost:11434",  # replace with remote open-ai compatible server if necessary
+#         #api_key="your-api-key",  # replace with API key if necessary
+#         #num_ctx=8192,  # ollama default is 2048 which will often fail horribly. 8192 works for easy tasks, more is better. Check https://huggingface.co/spaces/NyxKrage/LLM-Model-VRAM-Calculator to calculate how much VRAM this will need for the selected model.
+#     )
+
+
+@tool
+def get_data(query: str) -> str:
+    """
+    Fetches a data from the server.
+    Args:
+        query: data
+    Returns:
+        str: database data in JSON format
+    Raises:
+        requests.exceptions.RequestException: If there is an issue with the HTTP request.
+    """
+    url = f"http://localhost:3000/{query}"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+
+        data = response.json()
+
+        return data
+    except requests.exceptions.RequestException as e:
+        return f"Error fetching data: {e}"
+
+
+# result = get_data('latest_data')
+# print(result)
+
+@tool
+def get_latest_data() -> str:
+    """
+    Fetches a data from the server.
+    Args:
+        query: data
+    Returns:
+        str: database data 
+    Raises:
+        requests.exceptions.RequestException: If there is an issue with the HTTP request.
+    """
+    url = f"http://localhost:3000/latest_data"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+
+        data = response.json()
+
+        return data
+    except requests.exceptions.RequestException as e:
+        return f"Error fetching data: {e}"
+
+# result = get_latest_data()
+# print(result)
+
+
+agent = ToolCallingAgent(tools=[get_data], model=model)
+# agent = CodeAgent(tools=[get_latest_data], model=model)
+
+
+agent.run("What is the latest data?")
+# agent.run("What is the value x in the latest data?")
--- a/URL_Database_project/ai_agent/app2.py
+++ b/URL_Database_project/ai_agent/app2.py
@ -0,0 +1,102 @@
+from typing import Optional
+import requests
+
+from smolagents.agents import ToolCallingAgent
+from smolagents import CodeAgent, HfApiModel, tool
+from huggingface_hub import login
+from smolagents import LiteLLMModel
+
+from dotenv import load_dotenv
+import os
+
+# load .env file
+load_dotenv()
+
+api_key = os.environ.get('API_KEY')
+
+#print(api_key)
+login(api_key)
+
+# Select LLM engine to use!
+model = HfApiModel()
+# model = LiteLLMModel(
+#         model_id="ollama_chat/llama3.1",
+#         api_base="http://localhost:11434",  # replace with remote open-ai compatible server if necessary
+#         #api_key="your-api-key",  # replace with API key if necessary
+#         #num_ctx=8192,  # ollama default is 2048 which will often fail horribly. 8192 works for easy tasks, more is better. Check https://huggingface.co/spaces/NyxKrage/LLM-Model-VRAM-Calculator to calculate how much VRAM this will need for the selected model.
+#     )
+
+
+@tool
+def get_data(query: str) -> str:
+    """
+    Fetches a data from the server.
+    Args:
+        query: data
+    Returns:
+        str: database data in JSON format
+    Raises:
+        requests.exceptions.RequestException: If there is an issue with the HTTP request.
+    """
+    url = f"http://localhost:3000/{query}"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+
+        data = response.json()
+
+        return data
+    except requests.exceptions.RequestException as e:
+        return f"Error fetching data: {e}"
+
+
+# result = get_data('latest_data')
+# print(result)
+
+@tool
+def get_latest_data() -> str:
+    """
+    Fetches a data from the server.
+    Args:
+        query: data
+    Returns:
+        str: database data 
+    Raises:
+        requests.exceptions.RequestException: If there is an issue with the HTTP request.
+    """
+    url = f"http://localhost:3000/latest_data"
+
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+
+        data = response.json()
+
+        return data
+    except requests.exceptions.RequestException as e:
+        return f"Error fetching data: {e}"
+
+# result = get_latest_data()
+# print(result)
+
+
+get_data_agent = ToolCallingAgent(
+    tools=[get_latest_data], 
+    model=model,
+    name="get_data_agent",
+    description="This is an agent that get data from the server.",
+)
+
+# agent = CodeAgent(tools=[get_latest_data], model=model)
+
+manager_agent = CodeAgent(
+    tools = [],
+    model = model,
+    managed_agents=[get_data_agent],
+)
+
+# agent.run("What is the latest data?")
+# agent.run("What is the value x in the latest data?")
+
+manager_agent.run("What is the value x in the latest data?")
--- a/URL_Database_project/backend_server/.gitignore
+++ b/URL_Database_project/backend_server/.gitignore
@ -0,0 +1,2 @@
+.env
+node_modules/
--- a/URL_Database_project/backend_server/app.js
+++ b/URL_Database_project/backend_server/app.js
@ -0,0 +1,303 @@
+require('dotenv').config();
+const express = require('express');
+const { Pool } = require('pg');
+
+// Install required packages
+// npm install express pg
+
+const app = express();
+app.use(express.json());
+
+// Configure PostgreSQL connection
+const pool = new Pool({
+    user: process.env.PGUSER,
+    host: process.env.PGHOST,
+    database: process.env.PGDATABASE,
+    password: process.env.PGPASSWORD,
+    port: process.env.PGPORT,
+});
+
+
+// GET all records with pagination
+app.get('/data', async (req, res) => {
+  console.log("Get all records with the table");
+  try {
+    const page = parseInt(req.query.page) || 1;
+    const limit = parseInt(req.query.limit) || 10;
+    const offset = (page - 1) * limit;
+
+    const query = {
+      text: 'SELECT * FROM test_db_table ORDER BY id LIMIT $1 OFFSET $2',
+      values: [limit, offset],
+    };
+
+    const result = await pool.query(query);
+    res.json(result.rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// GET record by ID
+app.get('/data/:id', async (req, res) => {
+  console.log("Get record by ID");
+  try {
+    const { id } = req.params;
+    const query = {
+      text: 'SELECT * FROM test_db_table WHERE id = $1',
+      values: [id],
+    };
+
+    const result = await pool.query(query);
+    if (result.rows.length === 0) {
+      return res.status(404).json({ message: 'Record not found' });
+    }
+    res.json(result.rows[0]);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// POST new record
+app.post('/data', async (req, res) => {
+  console.log("Post new record");
+  try {
+    const { x, y, z } = req.body;
+    const query = {
+      text: 'INSERT INTO test_db_table(x, y, z) VALUES($1, $2, $3) RETURNING *',
+      values: [x, y, z],
+    };
+
+    const result = await pool.query(query);
+    res.status(201).json(result.rows[0]);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// PUT update record
+app.put('/data/:id', async (req, res) => {
+  console.log("Update record by ID");
+  try {
+    const { id } = req.params;
+    const { x, y, z } = req.body;
+    const query = {
+      text: 'UPDATE test_db_table SET x = $1, y = $2, z = $3 WHERE id = $4 RETURNING *',
+      values: [x, y, z, id],
+    };
+
+    const result = await pool.query(query);
+    if (result.rows.length === 0) {
+      return res.status(404).json({ message: 'Record not found' });
+    }
+    res.json(result.rows[0]);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// DELETE record
+app.delete('/data/:id', async (req, res) => {
+  console.log("Delete record by ID");
+  try {
+    const { id } = req.params;
+    const query = {
+      text: 'DELETE FROM test_db_table WHERE id = $1 RETURNING *',
+      values: [id],
+    };
+
+    const result = await pool.query(query);
+    if (result.rows.length === 0) {
+      return res.status(404).json({ message: 'Record not found' });
+    }
+    res.json({ message: 'Record deleted successfully' });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// Advanced query endpoint with filtering and sorting
+app.get('/data/search', async (req, res) => {
+  console.log("Advanced query endpoint with filtering and sorting");
+  try {
+    const { 
+      min_x, max_x, 
+      min_y, max_y, 
+      min_z, max_z,
+      start_time, end_time,
+      sort_by, order = 'ASC'
+    } = req.query;
+
+    let conditions = [];
+    let values = [];
+    let valueIndex = 1;
+
+    if (min_x) {
+      conditions.push(`x >= $${valueIndex++}`);
+      values.push(min_x);
+    }
+    if (max_x) {
+      conditions.push(`x <= $${valueIndex++}`);
+      values.push(max_x);
+    }
+    // Similar for y and z ranges
+    if (start_time) {
+      conditions.push(`time >= $${valueIndex++}`);
+      values.push(start_time);
+    }
+    if (end_time) {
+      conditions.push(`time <= $${valueIndex++}`);
+      values.push(end_time);
+    }
+
+    const whereClause = conditions.length > 0 
+      ? 'WHERE ' + conditions.join(' AND ') 
+      : '';
+
+    const orderClause = sort_by 
+      ? `ORDER BY ${sort_by} ${order}`
+      : 'ORDER BY id';
+
+    const query = {
+      text: `SELECT * FROM test_db_table ${whereClause} ${orderClause}`,
+      values: values,
+    };
+
+    const result = await pool.query(query);
+    res.json(result.rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+
+// GET latest single record
+app.get('/latest_data', async (req, res) => {
+  console.log("require the latest data on the database table");
+  try {
+    const query = {
+      text: 'SELECT * FROM test_db_table ORDER BY time DESC LIMIT 1'
+    };
+  
+    const result = await pool.query(query);
+    if (result.rows.length === 0) {
+      return res.status(404).json({ message: 'No records found' });
+    }
+    res.json(result.rows[0]);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+  
+
+// This will handle both "/latest_data" and "/latest data"
+app.get('/latest%20data', async (req, res) => {
+  console.log("require the latest data on the database table (20%))");
+  try {
+    const query = {
+      text: 'SELECT * FROM test_db_table ORDER BY time DESC LIMIT 1'
+    };
+  
+    const result = await pool.query(query);
+    if (result.rows.length === 0) {
+      return res.status(404).json({ message: 'No records found' });
+    }
+    res.json(result.rows[0]);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+// GET latest N records
+app.get('/latest_data/:count', async (req, res) => {
+  try {
+    const count = parseInt(req.params.count) || 1;
+    // Add a reasonable limit to prevent excessive requests
+    const safeCount = Math.min(count, 100);
+
+    const query = {
+      text: 'SELECT * FROM test_db_table ORDER BY time DESC LIMIT $1',
+      values: [safeCount]
+    };
+  
+    const result = await pool.query(query);
+    res.json(result.rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+  
+  // GET latest data within a time window (e.g., last 5 minutes)
+app.get('/latest_data/window', async (req, res) => {
+  try {
+    const minutes = parseInt(req.query.minutes) || 5;
+    // Add a reasonable limit to prevent excessive time windows
+    const safeMinutes = Math.min(minutes, 60);
+
+    const query = {
+      text: `
+        SELECT * FROM test_db_table 
+        WHERE time >= NOW() - INTERVAL '${safeMinutes} minutes'
+        ORDER BY time DESC
+      `
+    };
+  
+    const result = await pool.query(query);
+    res.json(result.rows);
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+  
+  // GET latest data with real-time updates using Server-Sent Events (SSE)
+  app.get('/latest_data/stream', async (req, res) => {
+    // Set headers for SSE
+    res.setHeader('Content-Type', 'text/event-stream');
+    res.setHeader('Cache-Control', 'no-cache');
+    res.setHeader('Connection', 'keep-alive');
+  
+    // Send initial data
+    try {
+      const query = {
+        text: 'SELECT * FROM test_db_table ORDER BY time DESC LIMIT 1'
+      };
+      const result = await pool.query(query);
+      if (result.rows.length > 0) {
+        res.write(`data: ${JSON.stringify(result.rows[0])}\n\n`);
+      }
+    } catch (err) {
+      console.error('Error fetching initial data:', err);
+    }
+  
+    // Set up polling interval (e.g., every 5 seconds)
+    const intervalId = setInterval(async () => {
+      try {
+        const query = {
+          text: 'SELECT * FROM test_db_table ORDER BY time DESC LIMIT 1'
+        };
+        const result = await pool.query(query);
+        if (result.rows.length > 0) {
+          res.write(`data: ${JSON.stringify(result.rows[0])}\n\n`);
+        }
+      } catch (err) {
+        console.error('Error fetching update:', err);
+      }
+    }, 5000);
+  
+    // Clean up on client disconnect
+    req.on('close', () => {
+      clearInterval(intervalId);
+    });
+  });
+
+
+// Error handling middleware
+app.use((err, req, res, next) => {
+  console.error(err.stack);
+  res.status(500).json({ error: 'Something broke!' });
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});
--- a/URL_Database_project/backend_server/package-lock.json
+++ b/URL_Database_project/backend_server/package-lock.json
@ -0,0 +1,992 @@
+{
+  "name": "backend_server",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "backend_server",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "dotenv": "^16.4.7",
+        "express": "^4.21.2",
+        "pg": "^8.13.3"
+      }
+    },
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+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
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+        "unpipe": "1.0.0"
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+}
--- a/URL_Database_project/backend_server/package.json
+++ b/URL_Database_project/backend_server/package.json
@ -0,0 +1,18 @@
+{
+  "name": "backend_server",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "dotenv": "^16.4.7",
+    "express": "^4.21.2",
+    "pg": "^8.13.3"
+  }
+}
--- a/URL_Database_project/backend_server/readme
+++ b/URL_Database_project/backend_server/readme
@ -0,0 +1,54 @@
+This API provides the following endpoints:
+
+GET /data - Get all records with pagination
+
+Query params: page, limit
+
+GET /data/:id - Get a specific record by ID
+
+POST /data - Create a new record
+
+Body: { x, y, z }
+
+PUT /data/:id - Update an existing record
+
+Body: { x, y, z }
+
+DELETE /data/:id - Delete a record
+
+GET /data/search - Advanced search with filtering and sorting
+
+Query params: min_x, max_x, min_y, max_y, min_z, max_z, start_time, end_time, sort_by, order
+
+
+Example usage:
+# Get all records (first page)
+curl http://localhost:3000/data
+
+# Get the single latest record
+curl http://localhost:3000/latest_data
+
+# Get the latest 5 records
+curl http://localhost:3000/latest_data/5
+
+# Get all records from the last 10 minutes
+curl http://localhost:3000/latest_data/window?minutes=10
+
+# Get specific record
+curl http://localhost:3000/data/1
+
+# Create new record
+curl -X POST http://localhost:3000/data \
+  -H "Content-Type: application/json" \
+  -d '{"x": 1.5, "y": 2.3, "z": 3.7}'
+
+# Update record
+curl -X PUT http://localhost:3000/data/1 \
+  -H "Content-Type: application/json" \
+  -d '{"x": 1.6, "y": 2.4, "z": 3.8}'
+
+# Delete record
+curl -X DELETE http://localhost:3000/data/1
+
+# Advanced search
+curl http://localhost:3000/data/search?min_x=1&max_x=5&sort_by=time&order=DESC
--- a/URL_Database_project/csv_import_postgres/.gitignore
+++ b/URL_Database_project/csv_import_postgres/.gitignore
@ -0,0 +1,2 @@
+.env
+node_modules/
--- a/URL_Database_project/csv_import_postgres/app.js
+++ b/URL_Database_project/csv_import_postgres/app.js
@ -0,0 +1,94 @@
+require('dotenv').config();
+const fs = require('fs');
+const csv = require('csv-parser');
+const { Pool } = require('pg');
+
+// Configure PostgreSQL connection
+const pool = new Pool({
+    user: process.env.PGUSER,
+    host: process.env.PGHOST,
+    database: process.env.PGDATABASE,
+    password: process.env.PGPASSWORD,
+    port: process.env.PGPORT,
+});
+
+async function importCSV(filePath) {
+  try {
+    const client = await pool.connect();
+    
+    // Create a stream to read the CSV file
+    fs.createReadStream(filePath)
+      .pipe(csv())
+      .on('data', async (row) => {
+        // Assuming your CSV has columns: x,y,z
+        // and the values are numeric
+        const query = {
+          text: 'INSERT INTO test_db_table(x, y, z) VALUES($1, $2, $3)',
+          values: [
+            parseFloat(row.x),
+            parseFloat(row.y),
+            parseFloat(row.z)
+          ]
+        };
+
+        try {
+          await client.query(query);
+        } catch (err) {
+          console.error('Error inserting row:', err);
+        }
+      })
+      .on('end', () => {
+        console.log('CSV import completed');
+        client.release();
+      })
+      .on('error', (error) => {
+        console.error('Error reading CSV:', error);
+        client.release();
+      });
+
+  } catch (err) {
+    console.error('Database connection error:', err);
+  }
+}
+
+// For better performance with large files, here's an alternative 
+// implementation using COPY command:
+async function importCSVWithCopy(filePath) {
+  const client = await pool.connect();
+  try {
+    // Create a read stream from your CSV file
+    const fileStream = fs.createReadStream(filePath);
+    
+    // Use COPY command for bulk insert
+    const query = `COPY test_db_table(x, y, z) 
+                  FROM STDIN WITH (FORMAT csv, HEADER true)`;
+    
+    // Pipe the file stream to the PostgreSQL COPY command
+    const copyStream = client.query(require('pg-copy-streams').from(query));
+    
+    fileStream.pipe(copyStream);
+    
+    return new Promise((resolve, reject) => {
+      copyStream.on('finish', () => {
+        console.log('CSV import completed');
+        resolve();
+      });
+      copyStream.on('error', reject);
+    });
+
+  } catch (error) {
+    console.error('Error during import:', error);
+  } finally {
+    client.release();
+  }
+}
+
+// Usage example
+const filePath = './test_data.csv';
+
+// Choose one of the import methods:
+// Method 1: Row by row import
+importCSV(filePath);
+
+// Method 2: Bulk import using COPY (faster for large datasets)
+// importCSVWithCopy(filePath);
--- a/URL_Database_project/csv_import_postgres/create_table.txt
+++ b/URL_Database_project/csv_import_postgres/create_table.txt
@ -0,0 +1,7 @@
+CREATE TABLE test_db_table (
+    id SERIAL PRIMARY KEY,
+    time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    x DOUBLE PRECISION,
+    y DOUBLE PRECISION,
+    z DOUBLE PRECISION
+);
--- a/URL_Database_project/csv_import_postgres/package-lock.json
+++ b/URL_Database_project/csv_import_postgres/package-lock.json
@ -0,0 +1,194 @@
+{
+  "name": "csv_import_postgres",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "csv_import_postgres",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "csv-parser": "^3.2.0",
+        "dotenv": "^16.4.7",
+        "fs": "^0.0.1-security",
+        "pg": "^8.13.3"
+      }
+    },
+    "node_modules/csv-parser": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/csv-parser/-/csv-parser-3.2.0.tgz",
+      "integrity": "sha512-fgKbp+AJbn1h2dcAHKIdKNSSjfp43BZZykXsCjzALjKy80VXQNHPFJ6T9Afwdzoj24aMkq8GwDS7KGcDPpejrA==",
+      "license": "MIT",
+      "bin": {
+        "csv-parser": "bin/csv-parser"
+      },
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/dotenv": {
+      "version": "16.4.7",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
+      "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
+    "node_modules/fs": {
+      "version": "0.0.1-security",
+      "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
+      "integrity": "sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w==",
+      "license": "ISC"
+    },
+    "node_modules/pg": {
+      "version": "8.13.3",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.13.3.tgz",
+      "integrity": "sha512-P6tPt9jXbL9HVu/SSRERNYaYG++MjnscnegFh9pPHihfoBSujsrka0hyuymMzeJKFWrcG8wvCKy8rCe8e5nDUQ==",
+      "license": "MIT",
+      "dependencies": {
+        "pg-connection-string": "^2.7.0",
+        "pg-pool": "^3.7.1",
+        "pg-protocol": "^1.7.1",
+        "pg-types": "^2.1.0",
+        "pgpass": "1.x"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      },
+      "optionalDependencies": {
+        "pg-cloudflare": "^1.1.1"
+      },
+      "peerDependencies": {
+        "pg-native": ">=3.0.1"
+      },
+      "peerDependenciesMeta": {
+        "pg-native": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/pg-cloudflare": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pg-cloudflare/-/pg-cloudflare-1.1.1.tgz",
+      "integrity": "sha512-xWPagP/4B6BgFO+EKz3JONXv3YDgvkbVrGw2mTo3D6tVDQRh1e7cqVGvyR3BE+eQgAvx1XhW/iEASj4/jCWl3Q==",
+      "license": "MIT",
+      "optional": true
+    },
+    "node_modules/pg-connection-string": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.7.0.tgz",
+      "integrity": "sha512-PI2W9mv53rXJQEOb8xNR8lH7Hr+EKa6oJa38zsK0S/ky2er16ios1wLKhZyxzD7jUReiWokc9WK5nxSnC7W1TA==",
+      "license": "MIT"
+    },
+    "node_modules/pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/pg-pool": {
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.7.1.tgz",
+      "integrity": "sha512-xIOsFoh7Vdhojas6q3596mXFsR8nwBQBXX5JiV7p9buEVAGqYL4yFzclON5P9vFrpu1u7Zwl2oriyDa89n0wbw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "pg": ">=8.0"
+      }
+    },
+    "node_modules/pg-protocol": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.7.1.tgz",
+      "integrity": "sha512-gjTHWGYWsEgy9MsY0Gp6ZJxV24IjDqdpTW7Eh0x+WfJLFsm/TJx1MzL6T0D88mBvkpxotCQ6TwW6N+Kko7lhgQ==",
+      "license": "MIT"
+    },
+    "node_modules/pg-types": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
+      "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
+      "license": "MIT",
+      "dependencies": {
+        "pg-int8": "1.0.1",
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/pgpass": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.5.tgz",
+      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
+      "license": "MIT",
+      "dependencies": {
+        "split2": "^4.1.0"
+      }
+    },
+    "node_modules/postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-date": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "license": "MIT",
+      "dependencies": {
+        "xtend": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10.x"
+      }
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
+    }
+  }
+}
--- a/URL_Database_project/csv_import_postgres/package.json
+++ b/URL_Database_project/csv_import_postgres/package.json
@ -0,0 +1,19 @@
+{
+  "name": "csv_import_postgres",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "csv-parser": "^3.2.0",
+    "dotenv": "^16.4.7",
+    "fs": "^0.0.1-security",
+    "pg": "^8.13.3"
+  }
+}
--- a/URL_Database_project/csv_import_postgres/test_data.csv
+++ b/URL_Database_project/csv_import_postgres/test_data.csv
@ -0,0 +1,33 @@
+x,y,z
+70,95,-8
+-81,15,-70
+67,-81,-19
+-27,28,69
+93,69,-28
+38,-1,-61
+90,9,-15
+42,-12,-18
+21,-30,27
+95,-26,-54
+-64,34,-12
+28,55,18
+13,-18,63
+-14,96,-86
+56,75,34
+-62,-53,45
+-88,-58,-33
+-37,-19,26
+53,-86,40
+93,74,-15
+22,-89,-45
+3,25,84
+34,-69,58
+69,47,73
+6,-5,-85
+85,34,53
+-34,-99,-63
+-20,42,-9
+-92,15,39
+81,23,-58
+-31,-57,-23
+-6,70,62