Edits history of script submission #6004 for ' Execute arbitrary Query in Deno (mysql)'

• deno

  Ap­pro­ved version

  Edit in Windmill

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  import { createPool as createMysqlPool } from "npm:mysql2/promise";
  
  // Define the MySQL resource type as specified
  type Mysql = {
    ssl: boolean,
    host: string,
    port: number,
    user: string,
    database: string,
    password: string
  
  }
  
  // The main function that executes a query on a MySQL database
  export async function main(
    mysqlResource: Mysql,
    query: string,
  ): Promise<any> {
    // Adjust the SSL configuration based on the mysqlResource.ssl value
    const sslConfig = mysqlResource.ssl ? { rejectUnauthorized: true } : false;
  
    // Create a new connection pool using the provided MySQL resource
    const pool = createMysqlPool({
      host: mysqlResource.host,
      user: mysqlResource.user,
      database: mysqlResource.database,
      password: mysqlResource.password,
      port: mysqlResource.port,
      // Use the adjusted SSL configuration
      ssl: sslConfig,
      waitForConnections: true,
      connectionLimit: 10,
      queueLimit: 0,
    });
  
    try {
      // Get a connection from the pool and execute the query
      const [rows] = await pool.query(query);
      return rows;
    } catch (error) {
      // If an error occurs, throw it to be handled by the caller
      throw new Error(`Failed to execute query: ${error}`);
    } finally {
      // Always close the pool after the operation is complete
      await pool.end();
    }
  }

  Submitted by henri186 258 days ago