text: const mongoose = require('mongoose');
  
  const executionSchema = new mongoose.Schema(
  	{
  		user: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
  		language: {type: mongoose.Schema.Types.ObjectId, ref: 'Language'},
  		code: Buffer,
  		input: String,
  		stdout: String,
  		stderr: String,
  		duration: Number,
  	},
  	{timestamps: true},
  );
  
  const Execution = mongoose.model('Execution', executionSchema);
  
  module.exports = Execution;
  