code: function askForColumnsName() {
      // Don't ask columns name if there aren't any field
      // Or option --force
      if (this.fields === undefined || this.fields.length === 0 || this.force) {
          return;
      }
  
      this.log(chalk.green(`Asking column names for ${this.fields.length} field(s)`));
      const done = this.async();
  
      // work on a copy
      this.fieldsPile = this.fields.slice();
      // feed the first item for the first question
      this.field = this.fieldsPile.shift();
      askForColumnName.call(this, done);
  }
docs: For each field of an entity, ask the actual column name